Article Inventory

The complete article inventory for Frontend Engineering, generated from the taxonomy in KNOWLEDGE_MAP.md and the per-article metadata in each domain's graph.json. Every article below is a leaf of the four-level hierarchy Part → Domain → Topic → Article.

Summary

• Total articles: 651
• Parts: 9 · Domains: 35
• Total estimated reading time: ~8459 min (~141 h)
• Total expected code examples: ~1816
• Difficulty distribution: Foundational 169 · Intermediate 288 · Advanced 160 · Staff 34
• Status: 84 Published · 567 Planned.

Column reference

Column	Meaning
Title	Article title (the leaf concept).
Slug	Stable file name under the domain folder.
Category	Domain — the folder the article lives in.
Subcategory	Topic — the grouping within the domain.
Priority	Inherited from the Part (Critical / High / Medium).
Difficulty	Foundational / Intermediate / Advanced / Staff.
Est. Reading Time	Estimated minutes to read.
Prerequisites	Articles to read first (Article · Domain denotes a cross-domain prerequisite).
Related Articles	Closely connected articles.
Expected Code Examples	Planning estimate of code snippets, derived from difficulty tier (Foundational 2, Intermediate 3, Advanced 4, Staff 1; leadership topics carry fewer).
Status	Authoring status — Published or Planned.

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00 · Foundations · Priority: Critical · 96 articles

Browser APIs (23 articles · ~199 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Web Storage	web-storage.md	Browser APIs	Storage	Critical	Foundational	8 min	Process & Thread Architecture · The Web Platform	IndexedDB; The Cache Storage API; Cookies & Partitioned Storage; Storage Quotas & Eviction	2	Published
IndexedDB	indexeddb.md	Browser APIs	Storage	Critical	Foundational	8 min	Web Storage	Web Storage; The Cache Storage API; Cookies & Partitioned Storage; Storage Quotas & Eviction	2	Published
The Cache Storage API	the-cache-storage-api.md	Browser APIs	Storage	Critical	Foundational	8 min	Web Storage	Web Storage; IndexedDB; Cookies & Partitioned Storage; Storage Quotas & Eviction	2	Published
Cookies & Partitioned Storage	cookies-and-partitioned-storage.md	Browser APIs	Storage	Critical	Foundational	11 min	Web Storage	Web Storage; IndexedDB; The Cache Storage API; Storage Quotas & Eviction	2	Published
Storage Quotas & Eviction	storage-quotas-and-eviction.md	Browser APIs	Storage	Critical	Foundational	8 min	Web Storage	Web Storage; IndexedDB; The Cache Storage API; Cookies & Partitioned Storage	2	Published
Intersection Observer	intersection-observer.md	Browser APIs	Observers	Critical	Foundational	8 min	Web Storage	Resize Observer; Mutation Observer; Performance Observer	2	Planned
Resize Observer	resize-observer.md	Browser APIs	Observers	Critical	Foundational	8 min	Intersection Observer; Web Storage	Intersection Observer; Mutation Observer; Performance Observer	2	Planned
Mutation Observer	mutation-observer.md	Browser APIs	Observers	Critical	Foundational	8 min	Intersection Observer; Web Storage	Intersection Observer; Resize Observer; Performance Observer	2	Planned
Performance Observer	performance-observer.md	Browser APIs	Observers	Critical	Foundational	8 min	Intersection Observer; Web Storage	Intersection Observer; Resize Observer; Mutation Observer	2	Planned
Media Capture & Streams	media-capture-and-streams.md	Browser APIs	Device & Media	Critical	Foundational	8 min	Intersection Observer	The Clipboard API; File & File System Access; Geolocation & Sensors; Notifications & Permissions	2	Planned
The Clipboard API	the-clipboard-api.md	Browser APIs	Device & Media	Critical	Foundational	8 min	Media Capture & Streams; Intersection Observer	Media Capture & Streams; File & File System Access; Geolocation & Sensors; Notifications & Permissions	2	Planned
File & File System Access	file-and-file-system-access.md	Browser APIs	Device & Media	Critical	Foundational	8 min	Media Capture & Streams; Intersection Observer	Media Capture & Streams; The Clipboard API; Geolocation & Sensors; Notifications & Permissions	2	Planned
Geolocation & Sensors	geolocation-and-sensors.md	Browser APIs	Device & Media	Critical	Foundational	8 min	Media Capture & Streams; Intersection Observer	Media Capture & Streams; The Clipboard API; File & File System Access; Notifications & Permissions	2	Planned
Notifications & Permissions	notifications-and-permissions.md	Browser APIs	Device & Media	Critical	Foundational	11 min	Media Capture & Streams; Intersection Observer	Media Capture & Streams; The Clipboard API; File & File System Access; Geolocation & Sensors	2	Planned
The History API	the-history-api.md	Browser APIs	Navigation & History	Critical	Foundational	8 min	Media Capture & Streams	The Navigation API; URL & URLSearchParams	2	Planned
The Navigation API	the-navigation-api.md	Browser APIs	Navigation & History	Critical	Foundational	8 min	The History API; Media Capture & Streams	The History API; URL & URLSearchParams	2	Planned
URL & URLSearchParams	url-and-urlsearchparams.md	Browser APIs	Navigation & History	Critical	Foundational	8 min	The History API; Media Capture & Streams	The History API; The Navigation API	2	Planned
Timers & requestIdleCallback	timers-and-requestidlecallback.md	Browser APIs	Timing & Scheduling	Critical	Foundational	11 min	The History API	requestAnimationFrame; The Scheduler API (postTask)	2	Planned
requestAnimationFrame	requestanimationframe.md	Browser APIs	Timing & Scheduling	Critical	Foundational	8 min	Timers & requestIdleCallback; The History API	Timers & requestIdleCallback; The Scheduler API (postTask)	2	Planned
The Scheduler API (postTask)	the-scheduler-api-posttask.md	Browser APIs	Timing & Scheduling	Critical	Foundational	11 min	Timers & requestIdleCallback; The History API	Timers & requestIdleCallback; requestAnimationFrame	2	Planned
Feature Detection	feature-detection.md	Browser APIs	Capability Model	Critical	Foundational	8 min	Timers & requestIdleCallback	Permissions Policy; Progressive Enhancement Strategy	2	Planned
Permissions Policy	permissions-policy.md	Browser APIs	Capability Model	Critical	Foundational	8 min	Feature Detection; Timers & requestIdleCallback	Feature Detection; Progressive Enhancement Strategy	2	Planned
Progressive Enhancement Strategy	progressive-enhancement-strategy.md	Browser APIs	Capability Model	Critical	Foundational	11 min	Feature Detection; Timers & requestIdleCallback	Feature Detection; Permissions Policy	2	Planned

Computer Science for Frontend (18 articles · ~156 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Trees & the DOM as a Tree	trees-and-the-dom-as-a-tree.md	Computer Science for Frontend	Data Structures	Critical	Foundational	8 min	—	Graphs & Dependency Modeling; Hash Maps & Sets; Stacks & Queues; Linked & Persistent Lists	2	Published
Graphs & Dependency Modeling	graphs-and-dependency-modeling.md	Computer Science for Frontend	Data Structures	Critical	Foundational	11 min	Trees & the DOM as a Tree	Trees & the DOM as a Tree; Hash Maps & Sets; Stacks & Queues; Linked & Persistent Lists	2	Planned
Hash Maps & Sets	hash-maps-and-sets.md	Computer Science for Frontend	Data Structures	Critical	Foundational	8 min	Trees & the DOM as a Tree	Trees & the DOM as a Tree; Graphs & Dependency Modeling; Stacks & Queues; Linked & Persistent Lists	2	Planned
Stacks & Queues	stacks-and-queues.md	Computer Science for Frontend	Data Structures	Critical	Foundational	8 min	Trees & the DOM as a Tree	Trees & the DOM as a Tree; Graphs & Dependency Modeling; Hash Maps & Sets; Linked & Persistent Lists	2	Planned
Linked & Persistent Lists	linked-and-persistent-lists.md	Computer Science for Frontend	Data Structures	Critical	Foundational	8 min	Trees & the DOM as a Tree	Trees & the DOM as a Tree; Graphs & Dependency Modeling; Hash Maps & Sets; Stacks & Queues	2	Planned
Tree Diffing Algorithms	tree-diffing-algorithms.md	Computer Science for Frontend	Algorithms	Critical	Foundational	8 min	Trees & the DOM as a Tree	Traversal (DFS, BFS); Searching & Filtering; Sorting & Comparators; Memoization & Dynamic Programming	2	Planned
Traversal (DFS, BFS)	traversal-dfs-bfs.md	Computer Science for Frontend	Algorithms	Critical	Foundational	8 min	Tree Diffing Algorithms; Trees & the DOM as a Tree	Tree Diffing Algorithms; Searching & Filtering; Sorting & Comparators; Memoization & Dynamic Programming	2	Planned
Searching & Filtering	searching-and-filtering.md	Computer Science for Frontend	Algorithms	Critical	Foundational	8 min	Tree Diffing Algorithms; Trees & the DOM as a Tree	Tree Diffing Algorithms; Traversal (DFS, BFS); Sorting & Comparators; Memoization & Dynamic Programming	2	Planned
Sorting & Comparators	sorting-and-comparators.md	Computer Science for Frontend	Algorithms	Critical	Foundational	8 min	Tree Diffing Algorithms; Trees & the DOM as a Tree	Tree Diffing Algorithms; Traversal (DFS, BFS); Searching & Filtering; Memoization & Dynamic Programming	2	Planned
Memoization & Dynamic Programming	memoization-and-dynamic-programming.md	Computer Science for Frontend	Algorithms	Critical	Foundational	11 min	Tree Diffing Algorithms; Trees & the DOM as a Tree	Tree Diffing Algorithms; Traversal (DFS, BFS); Searching & Filtering; Sorting & Comparators	2	Planned
Big-O for UI Operations	big-o-for-ui-operations.md	Computer Science for Frontend	Complexity & Cost	Critical	Foundational	8 min	Tree Diffing Algorithms	Amortized Cost & Batching; Space vs Time Trade-offs	2	Planned
Amortized Cost & Batching	amortized-cost-and-batching.md	Computer Science for Frontend	Complexity & Cost	Critical	Foundational	8 min	Big-O for UI Operations; Tree Diffing Algorithms	Big-O for UI Operations; Space vs Time Trade-offs	2	Planned
Space vs Time Trade-offs	space-vs-time-trade-offs.md	Computer Science for Frontend	Complexity & Cost	Critical	Foundational	8 min	Big-O for UI Operations; Tree Diffing Algorithms	Big-O for UI Operations; Amortized Cost & Batching	2	Planned
Immutability & Structural Sharing	immutability-and-structural-sharing.md	Computer Science for Frontend	Modeling Change	Critical	Foundational	11 min	Big-O for UI Operations	Finite State Machines; Statecharts & Hierarchical States	2	Planned
Finite State Machines	finite-state-machines.md	Computer Science for Frontend	Modeling Change	Critical	Foundational	8 min	Immutability & Structural Sharing; Big-O for UI Operations	Immutability & Structural Sharing; Statecharts & Hierarchical States	2	Planned
Statecharts & Hierarchical States	statecharts-and-hierarchical-states.md	Computer Science for Frontend	Modeling Change	Critical	Foundational	11 min	Immutability & Structural Sharing; Big-O for UI Operations	Immutability & Structural Sharing; Finite State Machines	2	Planned
Concurrency vs Parallelism	concurrency-vs-parallelism.md	Computer Science for Frontend	Execution Models	Critical	Foundational	8 min	Immutability & Structural Sharing	Determinism & Idempotency	2	Planned
Determinism & Idempotency	determinism-and-idempotency.md	Computer Science for Frontend	Execution Models	Critical	Foundational	8 min	Concurrency vs Parallelism; Immutability & Structural Sharing	Concurrency vs Parallelism	2	Planned

Networking & Protocols (19 articles · ~170 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
HTTP/1.1 Semantics	http-1-1-semantics.md	Networking & Protocols	HTTP	Critical	Foundational	8 min	Process & Thread Architecture · The Web Platform	HTTP/2 Multiplexing; HTTP/3 & QUIC; Methods, Status Codes & Headers	2	Published
HTTP/2 Multiplexing	http-2-multiplexing.md	Networking & Protocols	HTTP	Critical	Foundational	8 min	HTTP/1.1 Semantics	HTTP/1.1 Semantics; HTTP/3 & QUIC; Methods, Status Codes & Headers	2	Published
HTTP/3 & QUIC	http-3-and-quic.md	Networking & Protocols	HTTP	Critical	Foundational	8 min	HTTP/1.1 Semantics	HTTP/1.1 Semantics; HTTP/2 Multiplexing; Methods, Status Codes & Headers	2	Planned
Methods, Status Codes & Headers	methods-status-codes-and-headers.md	Networking & Protocols	HTTP	Critical	Foundational	11 min	HTTP/1.1 Semantics	HTTP/1.1 Semantics; HTTP/2 Multiplexing; HTTP/3 & QUIC	2	Planned
The HTTP Cache	the-http-cache.md	Networking & Protocols	Transport Caching	Critical	Foundational	8 min	HTTP/1.1 Semantics	Cache-Control & Validators (ETag); CDN Caching Model; Vary & Cache Keys	2	Planned
Cache-Control & Validators (ETag)	cache-control-and-validators-etag.md	Networking & Protocols	Transport Caching	Critical	Foundational	11 min	The HTTP Cache; HTTP/1.1 Semantics	The HTTP Cache; CDN Caching Model; Vary & Cache Keys	2	Planned
CDN Caching Model	cdn-caching-model.md	Networking & Protocols	Transport Caching	Critical	Foundational	8 min	The HTTP Cache; HTTP/1.1 Semantics	The HTTP Cache; Cache-Control & Validators (ETag); Vary & Cache Keys	2	Planned
Vary & Cache Keys	vary-and-cache-keys.md	Networking & Protocols	Transport Caching	Critical	Foundational	8 min	The HTTP Cache; HTTP/1.1 Semantics	The HTTP Cache; Cache-Control & Validators (ETag); CDN Caching Model	2	Planned
Connection Lifecycle (DNS, TLS)	connection-lifecycle-dns-tls.md	Networking & Protocols	Connection & Latency	Critical	Foundational	11 min	The HTTP Cache	Latency, Bandwidth & RTT; Preconnect & Priority Hints	2	Planned
Latency, Bandwidth & RTT	latency-bandwidth-and-rtt.md	Networking & Protocols	Connection & Latency	Critical	Foundational	8 min	Connection Lifecycle (DNS, TLS); The HTTP Cache	Connection Lifecycle (DNS, TLS); Preconnect & Priority Hints	2	Planned
Preconnect & Priority Hints	preconnect-and-priority-hints.md	Networking & Protocols	Connection & Latency	Critical	Foundational	11 min	Connection Lifecycle (DNS, TLS); The HTTP Cache	Connection Lifecycle (DNS, TLS); Latency, Bandwidth & RTT	2	Planned
WebSocket	websocket.md	Networking & Protocols	Real-Time Protocols	Critical	Foundational	8 min	Connection Lifecycle (DNS, TLS)	Server-Sent Events; WebRTC & Data Channels; Long Polling & Fallbacks	2	Planned
Server-Sent Events	server-sent-events.md	Networking & Protocols	Real-Time Protocols	Critical	Foundational	8 min	WebSocket; Connection Lifecycle (DNS, TLS)	WebSocket; WebRTC & Data Channels; Long Polling & Fallbacks	2	Planned
WebRTC & Data Channels	webrtc-and-data-channels.md	Networking & Protocols	Real-Time Protocols	Critical	Foundational	8 min	WebSocket; Connection Lifecycle (DNS, TLS)	WebSocket; Server-Sent Events; Long Polling & Fallbacks	2	Planned
Long Polling & Fallbacks	long-polling-and-fallbacks.md	Networking & Protocols	Real-Time Protocols	Critical	Foundational	8 min	WebSocket; Connection Lifecycle (DNS, TLS)	WebSocket; Server-Sent Events; WebRTC & Data Channels	2	Planned
JSON & Streaming JSON	json-and-streaming-json.md	Networking & Protocols	Data Formats	Critical	Foundational	8 min	WebSocket	Binary Formats (Protobuf, MessagePack); Multipart & Form Encoding; Transport Compression (gzip, brotli)	2	Planned
Binary Formats (Protobuf, MessagePack)	binary-formats-protobuf-messagepack.md	Networking & Protocols	Data Formats	Critical	Foundational	11 min	JSON & Streaming JSON; WebSocket	JSON & Streaming JSON; Multipart & Form Encoding; Transport Compression (gzip, brotli)	2	Planned
Multipart & Form Encoding	multipart-and-form-encoding.md	Networking & Protocols	Data Formats	Critical	Foundational	8 min	JSON & Streaming JSON; WebSocket	JSON & Streaming JSON; Binary Formats (Protobuf, MessagePack); Transport Compression (gzip, brotli)	2	Planned
Transport Compression (gzip, brotli)	transport-compression-gzip-brotli.md	Networking & Protocols	Data Formats	Critical	Foundational	11 min	JSON & Streaming JSON; WebSocket	JSON & Streaming JSON; Binary Formats (Protobuf, MessagePack); Multipart & Form Encoding	2	Planned

Runtime & Execution (18 articles · ~243 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Parsing & Bytecode	parsing-and-bytecode.md	Runtime & Execution	Engine Internals	Critical	Intermediate	12 min	Process & Thread Architecture · The Web Platform	JIT Compilation & Deoptimization; Hidden Classes & Shapes; Inline Caches	3	Published
JIT Compilation & Deoptimization	jit-compilation-and-deoptimization.md	Runtime & Execution	Engine Internals	Critical	Intermediate	15 min	Parsing & Bytecode	Parsing & Bytecode; Hidden Classes & Shapes; Inline Caches	3	Planned
Hidden Classes & Shapes	hidden-classes-and-shapes.md	Runtime & Execution	Engine Internals	Critical	Intermediate	12 min	Parsing & Bytecode	Parsing & Bytecode; JIT Compilation & Deoptimization; Inline Caches	3	Planned
Inline Caches	inline-caches.md	Runtime & Execution	Engine Internals	Critical	Intermediate	12 min	Parsing & Bytecode	Parsing & Bytecode; JIT Compilation & Deoptimization; Hidden Classes & Shapes	3	Planned
The Call Stack	the-call-stack.md	Runtime & Execution	Execution Context	Critical	Intermediate	12 min	Parsing & Bytecode	Async Stack Frames & Continuations; Stack Traces & Debug Symbols	3	Planned
Async Stack Frames & Continuations	async-stack-frames-and-continuations.md	Runtime & Execution	Execution Context	Critical	Intermediate	15 min	The Call Stack; Parsing & Bytecode	The Call Stack; Stack Traces & Debug Symbols	3	Planned
Stack Traces & Debug Symbols	stack-traces-and-debug-symbols.md	Runtime & Execution	Execution Context	Critical	Intermediate	15 min	The Call Stack; Parsing & Bytecode	The Call Stack; Async Stack Frames & Continuations	3	Planned
The Memory Model & the Heap	the-memory-model-and-the-heap.md	Runtime & Execution	Memory Management	Critical	Intermediate	15 min	The Call Stack	Garbage Collection Strategies; Retained Memory & Leak Detection; Weak References & Finalizers	3	Planned
Garbage Collection Strategies	garbage-collection-strategies.md	Runtime & Execution	Memory Management	Critical	Intermediate	15 min	The Memory Model & the Heap; The Call Stack	The Memory Model & the Heap; Retained Memory & Leak Detection; Weak References & Finalizers	3	Planned
Retained Memory & Leak Detection	retained-memory-and-leak-detection.md	Runtime & Execution	Memory Management	Critical	Intermediate	15 min	The Memory Model & the Heap; The Call Stack	The Memory Model & the Heap; Garbage Collection Strategies; Weak References & Finalizers	3	Planned
Weak References & Finalizers	weak-references-and-finalizers.md	Runtime & Execution	Memory Management	Critical	Intermediate	15 min	The Memory Model & the Heap; The Call Stack	The Memory Model & the Heap; Garbage Collection Strategies; Retained Memory & Leak Detection	3	Planned
Web Workers	web-workers.md	Runtime & Execution	Multithreading	Critical	Intermediate	12 min	The Memory Model & the Heap	Shared Workers & Message Passing; SharedArrayBuffer & Atomics; Worklets	3	Planned
Shared Workers & Message Passing	shared-workers-and-message-passing.md	Runtime & Execution	Multithreading	Critical	Intermediate	15 min	Web Workers; The Memory Model & the Heap	Web Workers; SharedArrayBuffer & Atomics; Worklets	3	Planned
SharedArrayBuffer & Atomics	sharedarraybuffer-and-atomics.md	Runtime & Execution	Multithreading	Critical	Intermediate	15 min	Web Workers; The Memory Model & the Heap	Web Workers; Shared Workers & Message Passing; Worklets	3	Planned
Worklets	worklets.md	Runtime & Execution	Multithreading	Critical	Intermediate	12 min	Web Workers; The Memory Model & the Heap	Web Workers; Shared Workers & Message Passing; SharedArrayBuffer & Atomics	3	Planned
WebAssembly Fundamentals	webassembly-fundamentals.md	Runtime & Execution	Beyond JavaScript	Critical	Intermediate	12 min	Web Workers	JS ↔ Wasm Interop; Polyglot Runtime Targets	3	Planned
JS ↔ Wasm Interop	js-wasm-interop.md	Runtime & Execution	Beyond JavaScript	Critical	Intermediate	12 min	WebAssembly Fundamentals; Web Workers	WebAssembly Fundamentals; Polyglot Runtime Targets	3	Planned
Polyglot Runtime Targets	polyglot-runtime-targets.md	Runtime & Execution	Beyond JavaScript	Critical	Intermediate	12 min	WebAssembly Fundamentals; Web Workers	WebAssembly Fundamentals; JS ↔ Wasm Interop	3	Planned

The Web Platform (18 articles · ~156 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Process & Thread Architecture	process-and-thread-architecture.md	The Web Platform	Browser Internals	Critical	Foundational	11 min	Trees & the DOM as a Tree · Computer Science for Frontend	Sandboxing & Site Isolation; The Main Thread	2	Published
Sandboxing & Site Isolation	sandboxing-and-site-isolation.md	The Web Platform	Browser Internals	Critical	Foundational	11 min	Process & Thread Architecture	Process & Thread Architecture; The Main Thread	2	Published
The Main Thread	the-main-thread.md	The Web Platform	Browser Internals	Critical	Foundational	8 min	Process & Thread Architecture	Process & Thread Architecture; Sandboxing & Site Isolation	2	Planned
HTML Parsing & DOM Construction	html-parsing-and-dom-construction.md	The Web Platform	The Rendering Pipeline	Critical	Foundational	11 min	Process & Thread Architecture	Style Calculation; Layout & Reflow; Paint & Layerization; Compositing	2	Planned
Style Calculation	style-calculation.md	The Web Platform	The Rendering Pipeline	Critical	Foundational	8 min	HTML Parsing & DOM Construction; Process & Thread Architecture	HTML Parsing & DOM Construction; Layout & Reflow; Paint & Layerization; Compositing	2	Planned
Layout & Reflow	layout-and-reflow.md	The Web Platform	The Rendering Pipeline	Critical	Foundational	8 min	HTML Parsing & DOM Construction; Process & Thread Architecture	HTML Parsing & DOM Construction; Style Calculation; Paint & Layerization; Compositing	2	Planned
Paint & Layerization	paint-and-layerization.md	The Web Platform	The Rendering Pipeline	Critical	Foundational	8 min	HTML Parsing & DOM Construction; Process & Thread Architecture	HTML Parsing & DOM Construction; Style Calculation; Layout & Reflow; Compositing	2	Planned
Compositing	compositing.md	The Web Platform	The Rendering Pipeline	Critical	Foundational	8 min	HTML Parsing & DOM Construction; Process & Thread Architecture	HTML Parsing & DOM Construction; Style Calculation; Layout & Reflow; Paint & Layerization	2	Planned
The DOM as an Abstraction	the-dom-as-an-abstraction.md	The Web Platform	Object Models	Critical	Foundational	8 min	HTML Parsing & DOM Construction	The CSSOM; The Render Tree	2	Planned
The CSSOM	the-cssom.md	The Web Platform	Object Models	Critical	Foundational	8 min	The DOM as an Abstraction; HTML Parsing & DOM Construction	The DOM as an Abstraction; The Render Tree	2	Planned
The Render Tree	the-render-tree.md	The Web Platform	Object Models	Critical	Foundational	8 min	The DOM as an Abstraction; HTML Parsing & DOM Construction	The DOM as an Abstraction; The CSSOM	2	Planned
Tasks & the Callback Queue	tasks-and-the-callback-queue.md	The Web Platform	The Event Loop	Critical	Foundational	8 min	The DOM as an Abstraction	Microtasks & the Job Queue; Rendering & rAF Timing; Long Tasks & Starvation	2	Planned
Microtasks & the Job Queue	microtasks-and-the-job-queue.md	The Web Platform	The Event Loop	Critical	Foundational	8 min	Tasks & the Callback Queue; The DOM as an Abstraction	Tasks & the Callback Queue; Rendering & rAF Timing; Long Tasks & Starvation	2	Planned
Rendering & rAF Timing	rendering-and-raf-timing.md	The Web Platform	The Event Loop	Critical	Foundational	8 min	Tasks & the Callback Queue; The DOM as an Abstraction	Tasks & the Callback Queue; Microtasks & the Job Queue; Long Tasks & Starvation	2	Planned
Long Tasks & Starvation	long-tasks-and-starvation.md	The Web Platform	The Event Loop	Critical	Foundational	8 min	Tasks & the Callback Queue; The DOM as an Abstraction	Tasks & the Callback Queue; Microtasks & the Job Queue; Rendering & rAF Timing	2	Planned
Origins & Sites	origins-and-sites.md	The Web Platform	The Origin Model	Critical	Foundational	8 min	Tasks & the Callback Queue	URL Anatomy; Document Lifecycle & bfcache	2	Planned
URL Anatomy	url-anatomy.md	The Web Platform	The Origin Model	Critical	Foundational	8 min	Origins & Sites; Tasks & the Callback Queue	Origins & Sites; Document Lifecycle & bfcache	2	Planned
Document Lifecycle & bfcache	document-lifecycle-and-bfcache.md	The Web Platform	The Origin Model	Critical	Foundational	11 min	Origins & Sites; Tasks & the Callback Queue	Origins & Sites; URL Anatomy	2	Planned

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01 · Core Languages · Priority: Critical · 101 articles

CSS & Visual Systems (29 articles · ~250 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Specificity	specificity.md	CSS & Visual Systems	The Cascade	Critical	Foundational	8 min	Process & Thread Architecture · The Web Platform	Inheritance & Initial Values; Cascade Layers (@layer); Custom Properties	2	Published
Inheritance & Initial Values	inheritance-and-initial-values.md	CSS & Visual Systems	The Cascade	Critical	Foundational	11 min	Specificity	Specificity; Cascade Layers (@layer); Custom Properties	2	Published
Cascade Layers (@layer)	cascade-layers-layer.md	CSS & Visual Systems	The Cascade	Critical	Foundational	8 min	Specificity	Specificity; Inheritance & Initial Values; Custom Properties	2	Published
Custom Properties	custom-properties.md	CSS & Visual Systems	The Cascade	Critical	Foundational	8 min	Specificity	Specificity; Inheritance & Initial Values; Cascade Layers (@layer)	2	Published
The Box Model	the-box-model.md	CSS & Visual Systems	Box & Formatting	Critical	Foundational	8 min	Specificity	Formatting Contexts; Stacking Contexts & z-index; Containment & content-visibility	2	Published
Formatting Contexts	formatting-contexts.md	CSS & Visual Systems	Box & Formatting	Critical	Foundational	8 min	The Box Model; Specificity	The Box Model; Stacking Contexts & z-index; Containment & content-visibility	2	Planned
Stacking Contexts & z-index	stacking-contexts-and-z-index.md	CSS & Visual Systems	Box & Formatting	Critical	Foundational	11 min	The Box Model; Specificity	The Box Model; Formatting Contexts; Containment & content-visibility	2	Planned
Containment & content-visibility	containment-and-content-visibility.md	CSS & Visual Systems	Box & Formatting	Critical	Foundational	11 min	The Box Model; Specificity	The Box Model; Formatting Contexts; Stacking Contexts & z-index	2	Planned
Normal Flow	normal-flow.md	CSS & Visual Systems	Layout Systems	Critical	Foundational	8 min	The Box Model	Flexbox; Grid & Subgrid; Positioning & Sticky; Intrinsic Sizing	2	Planned
Flexbox	flexbox.md	CSS & Visual Systems	Layout Systems	Critical	Foundational	8 min	Normal Flow; The Box Model	Normal Flow; Grid & Subgrid; Positioning & Sticky; Intrinsic Sizing	2	Planned
Grid & Subgrid	grid-and-subgrid.md	CSS & Visual Systems	Layout Systems	Critical	Foundational	8 min	Normal Flow; The Box Model	Normal Flow; Flexbox; Positioning & Sticky; Intrinsic Sizing	2	Planned
Positioning & Sticky	positioning-and-sticky.md	CSS & Visual Systems	Layout Systems	Critical	Foundational	8 min	Normal Flow; The Box Model	Normal Flow; Flexbox; Grid & Subgrid; Intrinsic Sizing	2	Planned
Intrinsic Sizing	intrinsic-sizing.md	CSS & Visual Systems	Layout Systems	Critical	Foundational	8 min	Normal Flow; The Box Model	Normal Flow; Flexbox; Grid & Subgrid; Positioning & Sticky	2	Planned
Media Queries	media-queries.md	CSS & Visual Systems	Responsive Design	Critical	Foundational	8 min	Normal Flow	Container Queries; Fluid Type & Space; Viewport & Responsive Units	2	Planned
Container Queries	container-queries.md	CSS & Visual Systems	Responsive Design	Critical	Foundational	8 min	Media Queries; Normal Flow	Media Queries; Fluid Type & Space; Viewport & Responsive Units	2	Planned
Fluid Type & Space	fluid-type-and-space.md	CSS & Visual Systems	Responsive Design	Critical	Foundational	8 min	Media Queries; Normal Flow	Media Queries; Container Queries; Viewport & Responsive Units	2	Planned
Viewport & Responsive Units	viewport-and-responsive-units.md	CSS & Visual Systems	Responsive Design	Critical	Foundational	11 min	Media Queries; Normal Flow	Media Queries; Container Queries; Fluid Type & Space	2	Planned
Font Loading & FOUT/FOIT	font-loading-and-fout-foit.md	CSS & Visual Systems	Typography	Critical	Foundational	8 min	Media Queries	Type Scale & Rhythm; Text Overflow & Truncation	2	Planned
Type Scale & Rhythm	type-scale-and-rhythm.md	CSS & Visual Systems	Typography	Critical	Foundational	8 min	Font Loading & FOUT/FOIT; Media Queries	Font Loading & FOUT/FOIT; Text Overflow & Truncation	2	Planned
Text Overflow & Truncation	text-overflow-and-truncation.md	CSS & Visual Systems	Typography	Critical	Foundational	8 min	Font Loading & FOUT/FOIT; Media Queries	Font Loading & FOUT/FOIT; Type Scale & Rhythm	2	Planned
Color Spaces & Gamut	color-spaces-and-gamut.md	CSS & Visual Systems	Color	Critical	Foundational	8 min	Font Loading & FOUT/FOIT	Color Functions & Mixing; Perceptual Contrast & Readability	2	Planned
Color Functions & Mixing	color-functions-and-mixing.md	CSS & Visual Systems	Color	Critical	Foundational	8 min	Color Spaces & Gamut; Font Loading & FOUT/FOIT	Color Spaces & Gamut; Perceptual Contrast & Readability	2	Planned
Perceptual Contrast & Readability	perceptual-contrast-and-readability.md	CSS & Visual Systems	Color	Critical	Foundational	11 min	Color Spaces & Gamut; Font Loading & FOUT/FOIT	Color Spaces & Gamut; Color Functions & Mixing	2	Planned
Naming Methodologies	naming-methodologies.md	CSS & Visual Systems	Styling Architecture	Critical	Foundational	8 min	Color Spaces & Gamut	Scoping & Isolation; Utility-First Styling; CSS-in-JS Models; Zero-Runtime / Compiled CSS	2	Planned
Scoping & Isolation	scoping-and-isolation.md	CSS & Visual Systems	Styling Architecture	Critical	Foundational	8 min	Naming Methodologies; Color Spaces & Gamut	Naming Methodologies; Utility-First Styling; CSS-in-JS Models; Zero-Runtime / Compiled CSS	2	Planned
Utility-First Styling	utility-first-styling.md	CSS & Visual Systems	Styling Architecture	Critical	Foundational	8 min	Naming Methodologies; Color Spaces & Gamut	Naming Methodologies; Scoping & Isolation; CSS-in-JS Models; Zero-Runtime / Compiled CSS	2	Planned
CSS-in-JS Models	css-in-js-models.md	CSS & Visual Systems	Styling Architecture	Critical	Foundational	8 min	Naming Methodologies; Color Spaces & Gamut	Naming Methodologies; Scoping & Isolation; Utility-First Styling; Zero-Runtime / Compiled CSS	2	Planned
Zero-Runtime / Compiled CSS	zero-runtime-compiled-css.md	CSS & Visual Systems	Styling Architecture	Critical	Foundational	11 min	Naming Methodologies; Color Spaces & Gamut	Naming Methodologies; Scoping & Isolation; Utility-First Styling; CSS-in-JS Models	2	Planned
Consuming Design Tokens	consuming-design-tokens.md	CSS & Visual Systems	Styling Architecture	Critical	Foundational	8 min	Naming Methodologies; Color Spaces & Gamut	Naming Methodologies; Scoping & Isolation; Utility-First Styling; CSS-in-JS Models	2	Planned

HTML & Document Semantics (16 articles · ~128 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
The Document Outline	the-document-outline.md	HTML & Document Semantics	Document Structure	Critical	Foundational	8 min	Process & Thread Architecture · The Web Platform	Sectioning & Landmarks; Headings Hierarchy; Tables & Data Semantics	2	Published
Sectioning & Landmarks	sectioning-and-landmarks.md	HTML & Document Semantics	Document Structure	Critical	Foundational	8 min	The Document Outline	The Document Outline; Headings Hierarchy; Tables & Data Semantics	2	Published
Headings Hierarchy	headings-hierarchy.md	HTML & Document Semantics	Document Structure	Critical	Foundational	8 min	The Document Outline	The Document Outline; Sectioning & Landmarks; Tables & Data Semantics	2	Published
Tables & Data Semantics	tables-and-data-semantics.md	HTML & Document Semantics	Document Structure	Critical	Foundational	8 min	The Document Outline	The Document Outline; Sectioning & Landmarks; Headings Hierarchy	2	Planned
Native Form Controls	native-form-controls.md	HTML & Document Semantics	Interactive Elements	Critical	Foundational	8 min	The Document Outline	Buttons, Links & Actions; Dialog, Details & Popover; The Contenteditable Model	2	Planned
Buttons, Links & Actions	buttons-links-and-actions.md	HTML & Document Semantics	Interactive Elements	Critical	Foundational	8 min	Native Form Controls; The Document Outline	Native Form Controls; Dialog, Details & Popover; The Contenteditable Model	2	Planned
Dialog, Details & Popover	dialog-details-and-popover.md	HTML & Document Semantics	Interactive Elements	Critical	Foundational	8 min	Native Form Controls; The Document Outline	Native Form Controls; Buttons, Links & Actions; The Contenteditable Model	2	Planned
The Contenteditable Model	the-contenteditable-model.md	HTML & Document Semantics	Interactive Elements	Critical	Foundational	8 min	Native Form Controls; The Document Outline	Native Form Controls; Buttons, Links & Actions; Dialog, Details & Popover	2	Planned
Responsive Images (srcset)	responsive-images-srcset.md	HTML & Document Semantics	Embedded Content	Critical	Foundational	8 min	Native Form Controls	Audio & Video; Iframes & Embedding; Inline SVG	2	Planned
Audio & Video	audio-and-video.md	HTML & Document Semantics	Embedded Content	Critical	Foundational	8 min	Responsive Images (srcset); Native Form Controls	Responsive Images (srcset); Iframes & Embedding; Inline SVG	2	Planned
Iframes & Embedding	iframes-and-embedding.md	HTML & Document Semantics	Embedded Content	Critical	Foundational	8 min	Responsive Images (srcset); Native Form Controls	Responsive Images (srcset); Audio & Video; Inline SVG	2	Planned
Inline SVG	inline-svg.md	HTML & Document Semantics	Embedded Content	Critical	Foundational	8 min	Responsive Images (srcset); Native Form Controls	Responsive Images (srcset); Audio & Video; Iframes & Embedding	2	Planned
Head Metadata	head-metadata.md	HTML & Document Semantics	Metadata & Discovery	Critical	Foundational	8 min	Responsive Images (srcset)	SEO Semantics; Open Graph & Social Cards; Structured Data (JSON-LD)	2	Planned
SEO Semantics	seo-semantics.md	HTML & Document Semantics	Metadata & Discovery	Critical	Foundational	8 min	Head Metadata; Responsive Images (srcset)	Head Metadata; Open Graph & Social Cards; Structured Data (JSON-LD)	2	Planned
Open Graph & Social Cards	open-graph-and-social-cards.md	HTML & Document Semantics	Metadata & Discovery	Critical	Foundational	8 min	Head Metadata; Responsive Images (srcset)	Head Metadata; SEO Semantics; Structured Data (JSON-LD)	2	Planned
Structured Data (JSON-LD)	structured-data-json-ld.md	HTML & Document Semantics	Metadata & Discovery	Critical	Foundational	8 min	Head Metadata; Responsive Images (srcset)	Head Metadata; SEO Semantics; Open Graph & Social Cards	2	Planned

JavaScript (31 articles · ~275 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Primitives & Wrappers	primitives-and-wrappers.md	JavaScript	Runtime Types	Critical	Foundational	8 min	Trees & the DOM as a Tree · Computer Science for Frontend; Parsing & Bytecode · Runtime & Execution	Coercion & Conversion; Equality & Comparison; null, undefined & Nullish	2	Published
Coercion & Conversion	coercion-and-conversion.md	JavaScript	Runtime Types	Critical	Foundational	8 min	Primitives & Wrappers	Primitives & Wrappers; Equality & Comparison; null, undefined & Nullish	2	Published
Equality & Comparison	equality-and-comparison.md	JavaScript	Runtime Types	Critical	Foundational	8 min	Primitives & Wrappers	Primitives & Wrappers; Coercion & Conversion; null, undefined & Nullish	2	Planned
null, undefined & Nullish	null-undefined-and-nullish.md	JavaScript	Runtime Types	Critical	Foundational	8 min	Primitives & Wrappers	Primitives & Wrappers; Coercion & Conversion; Equality & Comparison	2	Planned
Lexical Scope	lexical-scope.md	JavaScript	Scope & Closures	Critical	Foundational	8 min	Primitives & Wrappers	Closures; Hoisting & TDZ; Block vs Function Scope	2	Published
Closures	closures.md	JavaScript	Scope & Closures	Critical	Foundational	8 min	Lexical Scope; Primitives & Wrappers	Lexical Scope; Hoisting & TDZ; Block vs Function Scope	2	Published
Hoisting & TDZ	hoisting-and-tdz.md	JavaScript	Scope & Closures	Critical	Foundational	8 min	Lexical Scope; Primitives & Wrappers	Lexical Scope; Closures; Block vs Function Scope	2	Published
Block vs Function Scope	block-vs-function-scope.md	JavaScript	Scope & Closures	Critical	Foundational	8 min	Lexical Scope; Primitives & Wrappers	Lexical Scope; Closures; Hoisting & TDZ	2	Published
Property Descriptors	property-descriptors.md	JavaScript	Objects & Prototypes	Critical	Foundational	8 min	Lexical Scope	The Prototype Chain; Inheritance Patterns; Proxies & Reflect	2	Planned
The Prototype Chain	the-prototype-chain.md	JavaScript	Objects & Prototypes	Critical	Foundational	8 min	Property Descriptors; Lexical Scope	Property Descriptors; Inheritance Patterns; Proxies & Reflect	2	Planned
Inheritance Patterns	inheritance-patterns.md	JavaScript	Objects & Prototypes	Critical	Foundational	8 min	Property Descriptors; Lexical Scope	Property Descriptors; The Prototype Chain; Proxies & Reflect	2	Planned
Proxies & Reflect	proxies-and-reflect.md	JavaScript	Objects & Prototypes	Critical	Foundational	8 min	Property Descriptors; Lexical Scope	Property Descriptors; The Prototype Chain; Inheritance Patterns	2	Planned
Binding Rules	binding-rules.md	JavaScript	The this Model	Critical	Foundational	8 min	Property Descriptors	call / apply / bind; Arrow Functions & Lexical this	2	Planned
call / apply / bind	call-apply-bind.md	JavaScript	The this Model	Critical	Foundational	8 min	Binding Rules; Property Descriptors	Binding Rules; Arrow Functions & Lexical this	2	Planned
Arrow Functions & Lexical this	arrow-functions-and-lexical-this.md	JavaScript	The this Model	Critical	Foundational	11 min	Binding Rules; Property Descriptors	Binding Rules; call / apply / bind	2	Planned
Higher-Order Functions	higher-order-functions.md	JavaScript	Functions	Critical	Foundational	8 min	Binding Rules	Currying & Partial Application; Composition	2	Planned
Currying & Partial Application	currying-and-partial-application.md	JavaScript	Functions	Critical	Foundational	11 min	Higher-Order Functions; Binding Rules	Higher-Order Functions; Composition	2	Planned
Composition	composition.md	JavaScript	Functions	Critical	Foundational	8 min	Higher-Order Functions; Binding Rules	Higher-Order Functions; Currying & Partial Application	2	Planned
Iterators & Iterables	iterators-and-iterables.md	JavaScript	Iteration Protocols	Critical	Foundational	8 min	Higher-Order Functions	Generators; Async Iterators	2	Planned
Generators	generators.md	JavaScript	Iteration Protocols	Critical	Foundational	8 min	Iterators & Iterables; Higher-Order Functions	Iterators & Iterables; Async Iterators	2	Planned
Async Iterators	async-iterators.md	JavaScript	Iteration Protocols	Critical	Foundational	8 min	Iterators & Iterables; Higher-Order Functions	Iterators & Iterables; Generators	2	Planned
The Callback Model	the-callback-model.md	JavaScript	Asynchrony	Critical	Foundational	8 min	Iterators & Iterables	Promises; async / await; Cancellation & AbortController	2	Planned
Promises	promises.md	JavaScript	Asynchrony	Critical	Foundational	8 min	The Callback Model; Iterators & Iterables	The Callback Model; async / await; Cancellation & AbortController	2	Planned
async / await	async-await.md	JavaScript	Asynchrony	Critical	Foundational	8 min	The Callback Model; Iterators & Iterables	The Callback Model; Promises; Cancellation & AbortController	2	Planned
Cancellation & AbortController	cancellation-and-abortcontroller.md	JavaScript	Asynchrony	Critical	Foundational	11 min	The Callback Model; Iterators & Iterables	The Callback Model; Promises; async / await	2	Planned
ES Modules	es-modules.md	JavaScript	Modules	Critical	Foundational	8 min	The Callback Model	Dynamic Import; Module Resolution Semantics	2	Planned
Dynamic Import	dynamic-import.md	JavaScript	Modules	Critical	Foundational	8 min	ES Modules; The Callback Model	ES Modules; Module Resolution Semantics	2	Planned
Module Resolution Semantics	module-resolution-semantics.md	JavaScript	Modules	Critical	Foundational	11 min	ES Modules; The Callback Model	ES Modules; Dynamic Import	2	Planned
Symbols & Well-Known Symbols	symbols-and-well-known-symbols.md	JavaScript	Metaprogramming	Critical	Intermediate	15 min	ES Modules	Reflection; Tagged Templates	3	Planned
Reflection	reflection.md	JavaScript	Metaprogramming	Critical	Intermediate	12 min	Symbols & Well-Known Symbols; ES Modules	Symbols & Well-Known Symbols; Tagged Templates	3	Planned
Tagged Templates	tagged-templates.md	JavaScript	Metaprogramming	Critical	Intermediate	12 min	Symbols & Well-Known Symbols; ES Modules	Symbols & Well-Known Symbols; Reflection	3	Planned

TypeScript (25 articles · ~234 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Structural Typing	structural-typing.md	TypeScript	Type Foundations	Critical	Foundational	8 min	Primitives & Wrappers · JavaScript	Assignability; unknown, never & any; Literal & Unit Types	2	Published
Assignability	assignability.md	TypeScript	Type Foundations	Critical	Foundational	8 min	Structural Typing	Structural Typing; unknown, never & any; Literal & Unit Types	2	Published
unknown, never & any	unknown-never-and-any.md	TypeScript	Type Foundations	Critical	Foundational	8 min	Structural Typing	Structural Typing; Assignability; Literal & Unit Types	2	Published
Literal & Unit Types	literal-and-unit-types.md	TypeScript	Type Foundations	Critical	Foundational	8 min	Structural Typing	Structural Typing; Assignability; unknown, never & any	2	Published
Unions & Intersections	unions-and-intersections.md	TypeScript	Composition	Critical	Foundational	8 min	Structural Typing	Generics; Generic Constraints; Indexed Access & keyof	2	Published
Generics	generics.md	TypeScript	Composition	Critical	Foundational	8 min	Unions & Intersections; Structural Typing	Unions & Intersections; Generic Constraints; Indexed Access & keyof	2	Published
Generic Constraints	generic-constraints.md	TypeScript	Composition	Critical	Foundational	8 min	Unions & Intersections; Structural Typing	Unions & Intersections; Generics; Indexed Access & keyof	2	Planned
Indexed Access & keyof	indexed-access-and-keyof.md	TypeScript	Composition	Critical	Foundational	8 min	Unions & Intersections; Structural Typing	Unions & Intersections; Generics; Generic Constraints	2	Planned
Conditional Types	conditional-types.md	TypeScript	Type Transformation	Critical	Intermediate	12 min	Unions & Intersections	Mapped Types; Template Literal Types; infer & Type Extraction	3	Planned
Mapped Types	mapped-types.md	TypeScript	Type Transformation	Critical	Intermediate	12 min	Conditional Types; Unions & Intersections	Conditional Types; Template Literal Types; infer & Type Extraction	3	Planned
Template Literal Types	template-literal-types.md	TypeScript	Type Transformation	Critical	Intermediate	12 min	Conditional Types; Unions & Intersections	Conditional Types; Mapped Types; infer & Type Extraction	3	Planned
infer & Type Extraction	infer-and-type-extraction.md	TypeScript	Type Transformation	Critical	Intermediate	12 min	Conditional Types; Unions & Intersections	Conditional Types; Mapped Types; Template Literal Types	3	Planned
Type Inference	type-inference.md	TypeScript	Inference & Flow	Critical	Foundational	8 min	Conditional Types	Control-Flow Narrowing; Type Guards & Predicates; Discriminated Unions	2	Planned
Control-Flow Narrowing	control-flow-narrowing.md	TypeScript	Inference & Flow	Critical	Foundational	8 min	Type Inference; Conditional Types	Type Inference; Type Guards & Predicates; Discriminated Unions	2	Planned
Type Guards & Predicates	type-guards-and-predicates.md	TypeScript	Inference & Flow	Critical	Foundational	8 min	Type Inference; Conditional Types	Type Inference; Control-Flow Narrowing; Discriminated Unions	2	Planned
Discriminated Unions	discriminated-unions.md	TypeScript	Inference & Flow	Critical	Foundational	8 min	Type Inference; Conditional Types	Type Inference; Control-Flow Narrowing; Type Guards & Predicates	2	Planned
Variance	variance.md	TypeScript	Soundness & Safety	Critical	Intermediate	12 min	Type Inference	Unsoundness & Escape Hatches; Strictness Flags	3	Planned
Unsoundness & Escape Hatches	unsoundness-and-escape-hatches.md	TypeScript	Soundness & Safety	Critical	Intermediate	15 min	Variance; Type Inference	Variance; Strictness Flags	3	Planned
Strictness Flags	strictness-flags.md	TypeScript	Soundness & Safety	Critical	Intermediate	12 min	Variance; Type Inference	Variance; Unsoundness & Escape Hatches	3	Planned
Declaration Files	declaration-files.md	TypeScript	Ambient & Interop	Critical	Foundational	8 min	Variance	Module Augmentation; Typing Third-Party Code	2	Planned
Module Augmentation	module-augmentation.md	TypeScript	Ambient & Interop	Critical	Foundational	8 min	Declaration Files; Variance	Declaration Files; Typing Third-Party Code	2	Planned
Typing Third-Party Code	typing-third-party-code.md	TypeScript	Ambient & Interop	Critical	Foundational	8 min	Declaration Files; Variance	Declaration Files; Module Augmentation	2	Planned
Branded & Nominal Types	branded-and-nominal-types.md	TypeScript	Domain Modeling	Critical	Foundational	8 min	Declaration Files	Exhaustiveness; Illegal States Unrepresentable	2	Planned
Exhaustiveness	exhaustiveness.md	TypeScript	Domain Modeling	Critical	Foundational	8 min	Branded & Nominal Types; Declaration Files	Branded & Nominal Types; Illegal States Unrepresentable	2	Planned
Illegal States Unrepresentable	illegal-states-unrepresentable.md	TypeScript	Domain Modeling	Critical	Foundational	11 min	Branded & Nominal Types; Declaration Files	Branded & Nominal Types; Exhaustiveness	2	Planned

---

02 · Rendering & Frameworks · Priority: Critical · 76 articles

React (33 articles · ~436 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Elements vs Components	elements-vs-components.md	React	The Component Model	Critical	Intermediate	12 min	Primitives & Wrappers · JavaScript; The CSR Model · Rendering Architectures; The Document Outline · HTML & Document Semantics	JSX Semantics; Composition & Children	3	Published
JSX Semantics	jsx-semantics.md	React	The Component Model	Critical	Intermediate	12 min	Elements vs Components	Elements vs Components; Composition & Children	3	Published
Composition & Children	composition-and-children.md	React	The Component Model	Critical	Intermediate	12 min	Elements vs Components	Elements vs Components; JSX Semantics	3	Published
The Render Phase	the-render-phase.md	React	Rendering & Reconciliation	Critical	Intermediate	12 min	Elements vs Components	Reconciliation & Diffing; Keys & List Reconciliation; The Commit Phase	3	Published
Reconciliation & Diffing	reconciliation-and-diffing.md	React	Rendering & Reconciliation	Critical	Intermediate	12 min	The Render Phase; Elements vs Components	The Render Phase; Keys & List Reconciliation; The Commit Phase	3	Published
Keys & List Reconciliation	keys-and-list-reconciliation.md	React	Rendering & Reconciliation	Critical	Intermediate	12 min	The Render Phase; Elements vs Components	The Render Phase; Reconciliation & Diffing; The Commit Phase	3	Published
The Commit Phase	the-commit-phase.md	React	Rendering & Reconciliation	Critical	Intermediate	12 min	The Render Phase; Elements vs Components	The Render Phase; Reconciliation & Diffing; Keys & List Reconciliation	3	Published
useState	usestate.md	React	State & Hooks	Critical	Intermediate	12 min	The Render Phase	useReducer; The Rules of Hooks; State Batching & Updates	3	Published
useReducer	usereducer.md	React	State & Hooks	Critical	Intermediate	12 min	useState; The Render Phase	useState; The Rules of Hooks; State Batching & Updates	3	Planned
The Rules of Hooks	the-rules-of-hooks.md	React	State & Hooks	Critical	Intermediate	12 min	useState; The Render Phase	useState; useReducer; State Batching & Updates	3	Planned
State Batching & Updates	state-batching-and-updates.md	React	State & Hooks	Critical	Intermediate	12 min	useState; The Render Phase	useState; useReducer; The Rules of Hooks	3	Planned
useEffect & Synchronization	useeffect-and-synchronization.md	React	Effects & Lifecycle	Critical	Intermediate	15 min	useState	useLayoutEffect; Effect Cleanup & Dependencies; Refs & useRef; Error Boundaries	3	Planned
useLayoutEffect	uselayouteffect.md	React	Effects & Lifecycle	Critical	Intermediate	12 min	useEffect & Synchronization; useState	useEffect & Synchronization; Effect Cleanup & Dependencies; Refs & useRef; Error Boundaries	3	Planned
Effect Cleanup & Dependencies	effect-cleanup-and-dependencies.md	React	Effects & Lifecycle	Critical	Intermediate	15 min	useEffect & Synchronization; useState	useEffect & Synchronization; useLayoutEffect; Refs & useRef; Error Boundaries	3	Planned
Refs & useRef	refs-and-useref.md	React	Effects & Lifecycle	Critical	Intermediate	12 min	useEffect & Synchronization; useState	useEffect & Synchronization; useLayoutEffect; Effect Cleanup & Dependencies; Error Boundaries	3	Planned
Error Boundaries	error-boundaries.md	React	Effects & Lifecycle	Critical	Intermediate	12 min	useEffect & Synchronization; useState	useEffect & Synchronization; useLayoutEffect; Effect Cleanup & Dependencies; Refs & useRef	3	Planned
Context & Providers	context-and-providers.md	React	Context & Data	Critical	Intermediate	12 min	useEffect & Synchronization	Context Performance; useContext Patterns	3	Planned
Context Performance	context-performance.md	React	Context & Data	Critical	Intermediate	12 min	Context & Providers; useEffect & Synchronization	Context & Providers; useContext Patterns	3	Planned
useContext Patterns	usecontext-patterns.md	React	Context & Data	Critical	Intermediate	12 min	Context & Providers; useEffect & Synchronization	Context & Providers; Context Performance	3	Planned
Concurrent Rendering	concurrent-rendering.md	React	Concurrency	Critical	Advanced	16 min	Context & Providers	Transitions & useTransition; useDeferredValue; Suspense	4	Planned
Transitions & useTransition	transitions-and-usetransition.md	React	Concurrency	Critical	Advanced	19 min	Concurrent Rendering; Context & Providers	Concurrent Rendering; useDeferredValue; Suspense	4	Planned
useDeferredValue	usedeferredvalue.md	React	Concurrency	Critical	Advanced	16 min	Concurrent Rendering; Context & Providers	Concurrent Rendering; Transitions & useTransition; Suspense	4	Planned
Suspense	suspense.md	React	Concurrency	Critical	Advanced	16 min	Concurrent Rendering; Context & Providers	Concurrent Rendering; Transitions & useTransition; useDeferredValue	4	Planned
Server Components	server-components.md	React	Server React	Critical	Advanced	16 min	Concurrent Rendering	Server Actions; The RSC Payload & Boundaries	4	Planned
Server Actions	server-actions.md	React	Server React	Critical	Advanced	16 min	Server Components; Concurrent Rendering	Server Components; The RSC Payload & Boundaries	4	Planned
The RSC Payload & Boundaries	the-rsc-payload-and-boundaries.md	React	Server React	Critical	Advanced	19 min	Server Components; Concurrent Rendering	Server Components; Server Actions	4	Planned
memo, useMemo, useCallback	memo-usememo-usecallback.md	React	Optimization	Critical	Intermediate	12 min	Server Components	Referential Stability; The React Compiler Model	3	Planned
Referential Stability	referential-stability.md	React	Optimization	Critical	Intermediate	12 min	memo, useMemo, useCallback; Server Components	memo, useMemo, useCallback; The React Compiler Model	3	Planned
The React Compiler Model	the-react-compiler-model.md	React	Optimization	Critical	Intermediate	12 min	memo, useMemo, useCallback; Server Components	memo, useMemo, useCallback; Referential Stability	3	Planned
Custom Hooks	custom-hooks.md	React	React Composition	Critical	Intermediate	12 min	memo, useMemo, useCallback	Portals; Higher-Order Components; Children Manipulation	3	Planned
Portals	portals.md	React	React Composition	Critical	Intermediate	12 min	Custom Hooks; memo, useMemo, useCallback	Custom Hooks; Higher-Order Components; Children Manipulation	3	Planned
Higher-Order Components	higher-order-components.md	React	React Composition	Critical	Intermediate	12 min	Custom Hooks; memo, useMemo, useCallback	Custom Hooks; Portals; Children Manipulation	3	Planned
Children Manipulation	children-manipulation.md	React	React Composition	Critical	Intermediate	12 min	Custom Hooks; memo, useMemo, useCallback	Custom Hooks; Portals; Higher-Order Components	3	Planned

Reactivity & Framework Models (10 articles · ~169 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Signals & Fine-Grained Reactivity	signals-and-fine-grained-reactivity.md	Reactivity & Framework Models	Reactivity Paradigms	Critical	Advanced	19 min	Primitives & Wrappers · JavaScript; The CSR Model · Rendering Architectures	The Virtual DOM; Compiled Reactivity; Push-Based vs Dirty Checking	4	Planned
The Virtual DOM	the-virtual-dom.md	Reactivity & Framework Models	Reactivity Paradigms	Critical	Advanced	16 min	Signals & Fine-Grained Reactivity	Signals & Fine-Grained Reactivity; Compiled Reactivity; Push-Based vs Dirty Checking	4	Planned
Compiled Reactivity	compiled-reactivity.md	Reactivity & Framework Models	Reactivity Paradigms	Critical	Advanced	16 min	Signals & Fine-Grained Reactivity	Signals & Fine-Grained Reactivity; The Virtual DOM; Push-Based vs Dirty Checking	4	Planned
Push-Based vs Dirty Checking	push-based-vs-dirty-checking.md	Reactivity & Framework Models	Reactivity Paradigms	Critical	Advanced	19 min	Signals & Fine-Grained Reactivity	Signals & Fine-Grained Reactivity; The Virtual DOM; Compiled Reactivity	4	Planned
Observables	observables.md	Reactivity & Framework Models	Primitives	Critical	Advanced	16 min	Signals & Fine-Grained Reactivity	Atoms & Derived Values; Effects & Reactions	4	Planned
Atoms & Derived Values	atoms-and-derived-values.md	Reactivity & Framework Models	Primitives	Critical	Advanced	16 min	Observables; Signals & Fine-Grained Reactivity	Observables; Effects & Reactions	4	Planned
Effects & Reactions	effects-and-reactions.md	Reactivity & Framework Models	Primitives	Critical	Advanced	16 min	Observables; Signals & Fine-Grained Reactivity	Observables; Atoms & Derived Values	4	Planned
Declarative vs Imperative UI	declarative-vs-imperative-ui.md	Reactivity & Framework Models	Mental Models	Critical	Advanced	19 min	Observables	Data Binding Models; Framework Comparison Axes	4	Planned
Data Binding Models	data-binding-models.md	Reactivity & Framework Models	Mental Models	Critical	Advanced	16 min	Declarative vs Imperative UI; Observables	Declarative vs Imperative UI; Framework Comparison Axes	4	Planned
Framework Comparison Axes	framework-comparison-axes.md	Reactivity & Framework Models	Mental Models	Critical	Advanced	16 min	Declarative vs Imperative UI; Observables	Declarative vs Imperative UI; Data Binding Models	4	Planned

Rendering Architectures (17 articles · ~225 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
The CSR Model	the-csr-model.md	Rendering Architectures	Client Rendering	Critical	Intermediate	12 min	Process & Thread Architecture · The Web Platform; HTTP/1.1 Semantics · Networking & Protocols	The App Shell Pattern; Client-Side Data Loading	3	Planned
The App Shell Pattern	the-app-shell-pattern.md	Rendering Architectures	Client Rendering	Critical	Intermediate	12 min	The CSR Model	The CSR Model; Client-Side Data Loading	3	Planned
Client-Side Data Loading	client-side-data-loading.md	Rendering Architectures	Client Rendering	Critical	Intermediate	12 min	The CSR Model	The CSR Model; The App Shell Pattern	3	Planned
The SSR Model	the-ssr-model.md	Rendering Architectures	Server Rendering	Critical	Intermediate	12 min	The CSR Model	Hydration; Selective & Progressive Hydration; Hydration Mismatches	3	Planned
Hydration	hydration.md	Rendering Architectures	Server Rendering	Critical	Intermediate	12 min	The SSR Model; The CSR Model	The SSR Model; Selective & Progressive Hydration; Hydration Mismatches	3	Planned
Selective & Progressive Hydration	selective-and-progressive-hydration.md	Rendering Architectures	Server Rendering	Critical	Intermediate	15 min	The SSR Model; The CSR Model	The SSR Model; Hydration; Hydration Mismatches	3	Planned
Hydration Mismatches	hydration-mismatches.md	Rendering Architectures	Server Rendering	Critical	Intermediate	12 min	The SSR Model; The CSR Model	The SSR Model; Hydration; Selective & Progressive Hydration	3	Planned
Static Site Generation	static-site-generation.md	Rendering Architectures	Static & Hybrid	Critical	Intermediate	12 min	The SSR Model	Incremental Static Regeneration; On-Demand Revalidation	3	Planned
Incremental Static Regeneration	incremental-static-regeneration.md	Rendering Architectures	Static & Hybrid	Critical	Intermediate	15 min	Static Site Generation; The SSR Model	Static Site Generation; On-Demand Revalidation	3	Planned
On-Demand Revalidation	on-demand-revalidation.md	Rendering Architectures	Static & Hybrid	Critical	Intermediate	12 min	Static Site Generation; The SSR Model	Static Site Generation; Incremental Static Regeneration	3	Planned
Streaming SSR	streaming-ssr.md	Rendering Architectures	Streaming	Critical	Advanced	16 min	Static Site Generation	Progressive Rendering & Flushing; Out-of-Order Streaming	4	Planned
Progressive Rendering & Flushing	progressive-rendering-and-flushing.md	Rendering Architectures	Streaming	Critical	Advanced	19 min	Streaming SSR; Static Site Generation	Streaming SSR; Out-of-Order Streaming	4	Planned
Out-of-Order Streaming	out-of-order-streaming.md	Rendering Architectures	Streaming	Critical	Advanced	16 min	Streaming SSR; Static Site Generation	Streaming SSR; Progressive Rendering & Flushing	4	Planned
The Server/Client Boundary	the-server-client-boundary.md	Rendering Architectures	Boundaries & Models	Critical	Intermediate	12 min	Streaming SSR	Islands Architecture; Resumability vs Hydration; Edge vs Origin Rendering	3	Planned
Islands Architecture	islands-architecture.md	Rendering Architectures	Boundaries & Models	Critical	Intermediate	12 min	The Server/Client Boundary; Streaming SSR	The Server/Client Boundary; Resumability vs Hydration; Edge vs Origin Rendering	3	Planned
Resumability vs Hydration	resumability-vs-hydration.md	Rendering Architectures	Boundaries & Models	Critical	Intermediate	12 min	The Server/Client Boundary; Streaming SSR	The Server/Client Boundary; Islands Architecture; Edge vs Origin Rendering	3	Planned
Edge vs Origin Rendering	edge-vs-origin-rendering.md	Rendering Architectures	Boundaries & Models	Critical	Intermediate	12 min	The Server/Client Boundary; Streaming SSR	The Server/Client Boundary; Islands Architecture; Resumability vs Hydration	3	Planned

Routing (16 articles · ~204 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Client-Side Routing	client-side-routing.md	Routing	Routing Models	Critical	Intermediate	12 min	The CSR Model · Rendering Architectures; Web Storage · Browser APIs	File-Based & Server Routing; Hybrid Routing	3	Planned
File-Based & Server Routing	file-based-and-server-routing.md	Routing	Routing Models	Critical	Intermediate	15 min	Client-Side Routing	Client-Side Routing; Hybrid Routing	3	Planned
Hybrid Routing	hybrid-routing.md	Routing	Routing Models	Critical	Intermediate	12 min	Client-Side Routing	Client-Side Routing; File-Based & Server Routing	3	Planned
Route Matching & Params	route-matching-and-params.md	Routing	Route Structure	Critical	Intermediate	12 min	Client-Side Routing	Nested Routes & Layouts; Parallel & Intercepting Routes; The URL as State	3	Planned
Nested Routes & Layouts	nested-routes-and-layouts.md	Routing	Route Structure	Critical	Intermediate	12 min	Route Matching & Params; Client-Side Routing	Route Matching & Params; Parallel & Intercepting Routes; The URL as State	3	Planned
Parallel & Intercepting Routes	parallel-and-intercepting-routes.md	Routing	Route Structure	Critical	Intermediate	15 min	Route Matching & Params; Client-Side Routing	Route Matching & Params; Nested Routes & Layouts; The URL as State	3	Planned
The URL as State	the-url-as-state.md	Routing	Route Structure	Critical	Intermediate	12 min	Route Matching & Params; Client-Side Routing	Route Matching & Params; Nested Routes & Layouts; Parallel & Intercepting Routes	3	Planned
Route Loaders & Dependencies	route-loaders-and-dependencies.md	Routing	Route Data	Critical	Intermediate	15 min	Route Matching & Params	Deferred & Streaming Route Data; Route Actions & Mutations	3	Planned
Deferred & Streaming Route Data	deferred-and-streaming-route-data.md	Routing	Route Data	Critical	Intermediate	15 min	Route Loaders & Dependencies; Route Matching & Params	Route Loaders & Dependencies; Route Actions & Mutations	3	Planned
Route Actions & Mutations	route-actions-and-mutations.md	Routing	Route Data	Critical	Intermediate	12 min	Route Loaders & Dependencies; Route Matching & Params	Route Loaders & Dependencies; Deferred & Streaming Route Data	3	Planned
Navigation & Linking	navigation-and-linking.md	Routing	Navigation	Critical	Intermediate	12 min	Route Loaders & Dependencies	Transitions & Pending UI; Scroll Restoration; Route Prefetching	3	Planned
Transitions & Pending UI	transitions-and-pending-ui.md	Routing	Navigation	Critical	Intermediate	12 min	Navigation & Linking; Route Loaders & Dependencies	Navigation & Linking; Scroll Restoration; Route Prefetching	3	Planned
Scroll Restoration	scroll-restoration.md	Routing	Navigation	Critical	Intermediate	12 min	Navigation & Linking; Route Loaders & Dependencies	Navigation & Linking; Transitions & Pending UI; Route Prefetching	3	Planned
Route Prefetching	route-prefetching.md	Routing	Navigation	Critical	Intermediate	12 min	Navigation & Linking; Route Loaders & Dependencies	Navigation & Linking; Transitions & Pending UI; Scroll Restoration	3	Planned
Route-Based Code Splitting	route-based-code-splitting.md	Routing	Code Organization	Critical	Intermediate	12 min	Navigation & Linking	Route Guards & Redirects	3	Planned
Route Guards & Redirects	route-guards-and-redirects.md	Routing	Code Organization	Critical	Intermediate	12 min	Route-Based Code Splitting; Navigation & Linking	Route-Based Code Splitting	3	Planned

---

03 · Application Architecture · Priority: Critical · 84 articles

API Design & Contracts (14 articles · ~233 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
REST	rest.md	API Design & Contracts	Paradigms	Critical	Advanced	16 min	HTTP/1.1 Semantics · Networking & Protocols; Structural Typing · TypeScript	GraphQL; RPC; Realtime & Subscriptions	4	Planned
GraphQL	graphql.md	API Design & Contracts	Paradigms	Critical	Advanced	16 min	REST	REST; RPC; Realtime & Subscriptions	4	Planned
RPC	rpc.md	API Design & Contracts	Paradigms	Critical	Advanced	16 min	REST	REST; GraphQL; Realtime & Subscriptions	4	Planned
Realtime & Subscriptions	realtime-and-subscriptions.md	API Design & Contracts	Paradigms	Critical	Advanced	16 min	REST	REST; GraphQL; RPC	4	Planned
Resource & Schema Design	resource-and-schema-design.md	API Design & Contracts	Contract Design	Critical	Advanced	16 min	REST	Versioning Strategies; Pagination & Filtering Conventions; Error Contract Design	4	Planned
Versioning Strategies	versioning-strategies.md	API Design & Contracts	Contract Design	Critical	Advanced	16 min	Resource & Schema Design; REST	Resource & Schema Design; Pagination & Filtering Conventions; Error Contract Design	4	Planned
Pagination & Filtering Conventions	pagination-and-filtering-conventions.md	API Design & Contracts	Contract Design	Critical	Advanced	19 min	Resource & Schema Design; REST	Resource & Schema Design; Versioning Strategies; Error Contract Design	4	Planned
Error Contract Design	error-contract-design.md	API Design & Contracts	Contract Design	Critical	Advanced	16 min	Resource & Schema Design; REST	Resource & Schema Design; Versioning Strategies; Pagination & Filtering Conventions	4	Planned
End-to-End Type Safety (tRPC)	end-to-end-type-safety-trpc.md	API Design & Contracts	Type Safety Across the Wire	Critical	Advanced	19 min	Resource & Schema Design	Code Generation from Schemas; Contract Testing	4	Planned
Code Generation from Schemas	code-generation-from-schemas.md	API Design & Contracts	Type Safety Across the Wire	Critical	Advanced	19 min	End-to-End Type Safety (tRPC); Resource & Schema Design	End-to-End Type Safety (tRPC); Contract Testing	4	Planned
Contract Testing	contract-testing.md	API Design & Contracts	Type Safety Across the Wire	Critical	Advanced	16 min	End-to-End Type Safety (tRPC); Resource & Schema Design	End-to-End Type Safety (tRPC); Code Generation from Schemas	4	Planned
Backend-for-Frontend	backend-for-frontend.md	API Design & Contracts	BFF & Aggregation	Critical	Advanced	16 min	End-to-End Type Safety (tRPC)	API Gateways & Aggregation; Response Shaping	4	Planned
API Gateways & Aggregation	api-gateways-and-aggregation.md	API Design & Contracts	BFF & Aggregation	Critical	Advanced	16 min	Backend-for-Frontend; End-to-End Type Safety (tRPC)	Backend-for-Frontend; Response Shaping	4	Planned
Response Shaping	response-shaping.md	API Design & Contracts	BFF & Aggregation	Critical	Advanced	16 min	Backend-for-Frontend; End-to-End Type Safety (tRPC)	Backend-for-Frontend; API Gateways & Aggregation	4	Planned

Frontend Architecture (16 articles · ~210 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Separation of Concerns	separation-of-concerns.md	Frontend Architecture	Structure & Boundaries	Critical	Intermediate	12 min	Elements vs Components · React; Structural Typing · TypeScript	Layered Architecture; Module Boundaries; Dependency Direction & Inversion	3	Planned
Layered Architecture	layered-architecture.md	Frontend Architecture	Structure & Boundaries	Critical	Intermediate	12 min	Separation of Concerns	Separation of Concerns; Module Boundaries; Dependency Direction & Inversion	3	Planned
Module Boundaries	module-boundaries.md	Frontend Architecture	Structure & Boundaries	Critical	Intermediate	12 min	Separation of Concerns	Separation of Concerns; Layered Architecture; Dependency Direction & Inversion	3	Planned
Dependency Direction & Inversion	dependency-direction-and-inversion.md	Frontend Architecture	Structure & Boundaries	Critical	Intermediate	15 min	Separation of Concerns	Separation of Concerns; Layered Architecture; Module Boundaries	3	Planned
Feature-Based Structure	feature-based-structure.md	Frontend Architecture	Organizing Code	Critical	Intermediate	12 min	Separation of Concerns	Domain-Driven Frontend; Colocation Principles	3	Planned
Domain-Driven Frontend	domain-driven-frontend.md	Frontend Architecture	Organizing Code	Critical	Intermediate	12 min	Feature-Based Structure; Separation of Concerns	Feature-Based Structure; Colocation Principles	3	Planned
Colocation Principles	colocation-principles.md	Frontend Architecture	Organizing Code	Critical	Intermediate	12 min	Feature-Based Structure; Separation of Concerns	Feature-Based Structure; Domain-Driven Frontend	3	Planned
Micro-Frontends	micro-frontends.md	Frontend Architecture	Composition at Scale	Critical	Advanced	16 min	Feature-Based Structure	Module Federation; Shared Kernel & Contracts	4	Planned
Module Federation	module-federation.md	Frontend Architecture	Composition at Scale	Critical	Advanced	16 min	Micro-Frontends; Feature-Based Structure	Micro-Frontends; Shared Kernel & Contracts	4	Planned
Shared Kernel & Contracts	shared-kernel-and-contracts.md	Frontend Architecture	Composition at Scale	Critical	Advanced	16 min	Micro-Frontends; Feature-Based Structure	Micro-Frontends; Module Federation	4	Planned
Rendering Boundaries	rendering-boundaries.md	Frontend Architecture	Cross-Cutting Boundaries	Critical	Intermediate	12 min	Micro-Frontends	Data-Fetching Boundaries; Client/Server Split	3	Planned
Data-Fetching Boundaries	data-fetching-boundaries.md	Frontend Architecture	Cross-Cutting Boundaries	Critical	Intermediate	12 min	Rendering Boundaries; Micro-Frontends	Rendering Boundaries; Client/Server Split	3	Planned
Client/Server Split	client-server-split.md	Frontend Architecture	Cross-Cutting Boundaries	Critical	Intermediate	12 min	Rendering Boundaries; Micro-Frontends	Rendering Boundaries; Data-Fetching Boundaries	3	Planned
Architectural Decision Records	architectural-decision-records.md	Frontend Architecture	Decision-Making	Critical	Intermediate	15 min	Rendering Boundaries	Trade-off Analysis; Evolutionary Architecture	3	Planned
Trade-off Analysis	trade-off-analysis.md	Frontend Architecture	Decision-Making	Critical	Intermediate	12 min	Architectural Decision Records; Rendering Boundaries	Architectural Decision Records; Evolutionary Architecture	3	Planned
Evolutionary Architecture	evolutionary-architecture.md	Frontend Architecture	Decision-Making	Critical	Intermediate	12 min	Architectural Decision Records; Rendering Boundaries	Architectural Decision Records; Trade-off Analysis	3	Planned

Data & Server State (20 articles · ~255 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Fetch-on-Render vs Render-as-You-Fetch	fetch-on-render-vs-render-as-you-fetch.md	Data & Server State	Fetching Strategies	Critical	Intermediate	15 min	HTTP/1.1 Semantics · Networking & Protocols; Elements vs Components · React; Categories of State · State Management	Parallel vs Waterfall Requests; Request Deduplication; Data Prefetching	3	Published
Parallel vs Waterfall Requests	parallel-vs-waterfall-requests.md	Data & Server State	Fetching Strategies	Critical	Intermediate	15 min	Fetch-on-Render vs Render-as-You-Fetch	Fetch-on-Render vs Render-as-You-Fetch; Request Deduplication; Data Prefetching	3	Published
Request Deduplication	request-deduplication.md	Data & Server State	Fetching Strategies	Critical	Intermediate	12 min	Fetch-on-Render vs Render-as-You-Fetch	Fetch-on-Render vs Render-as-You-Fetch; Parallel vs Waterfall Requests; Data Prefetching	3	Published
Data Prefetching	data-prefetching.md	Data & Server State	Fetching Strategies	Critical	Intermediate	12 min	Fetch-on-Render vs Render-as-You-Fetch	Fetch-on-Render vs Render-as-You-Fetch; Parallel vs Waterfall Requests; Request Deduplication	3	Published
Cache Keys & Query Identity	cache-keys-and-query-identity.md	Data & Server State	Server-State Cache	Critical	Intermediate	15 min	Fetch-on-Render vs Render-as-You-Fetch	Staleness & Revalidation; Cache Invalidation; Background Refetching	3	Published
Staleness & Revalidation	staleness-and-revalidation.md	Data & Server State	Server-State Cache	Critical	Intermediate	12 min	Cache Keys & Query Identity; Fetch-on-Render vs Render-as-You-Fetch	Cache Keys & Query Identity; Cache Invalidation; Background Refetching	3	Published
Cache Invalidation	cache-invalidation.md	Data & Server State	Server-State Cache	Critical	Intermediate	12 min	Cache Keys & Query Identity; Fetch-on-Render vs Render-as-You-Fetch	Cache Keys & Query Identity; Staleness & Revalidation; Background Refetching	3	Published
Background Refetching	background-refetching.md	Data & Server State	Server-State Cache	Critical	Intermediate	12 min	Cache Keys & Query Identity; Fetch-on-Render vs Render-as-You-Fetch	Cache Keys & Query Identity; Staleness & Revalidation; Cache Invalidation	3	Published
Mutation Lifecycle	mutation-lifecycle.md	Data & Server State	Mutations	Critical	Intermediate	12 min	Cache Keys & Query Identity	Optimistic Updates; Rollback & Conflict Resolution	3	Published
Optimistic Updates	optimistic-updates.md	Data & Server State	Mutations	Critical	Intermediate	12 min	Mutation Lifecycle; Cache Keys & Query Identity	Mutation Lifecycle; Rollback & Conflict Resolution	3	Published
Rollback & Conflict Resolution	rollback-and-conflict-resolution.md	Data & Server State	Mutations	Critical	Intermediate	15 min	Mutation Lifecycle; Cache Keys & Query Identity	Mutation Lifecycle; Optimistic Updates	3	Published
Pagination	pagination.md	Data & Server State	Large Data Sets	Critical	Intermediate	12 min	Mutation Lifecycle	Infinite & Cursor Loading; List Virtualization	3	Published
Infinite & Cursor Loading	infinite-and-cursor-loading.md	Data & Server State	Large Data Sets	Critical	Intermediate	12 min	Pagination; Mutation Lifecycle	Pagination; List Virtualization	3	Published
List Virtualization	list-virtualization.md	Data & Server State	Large Data Sets	Critical	Intermediate	12 min	Pagination; Mutation Lifecycle	Pagination; Infinite & Cursor Loading	3	Published
Normalizing Server Responses	normalizing-server-responses.md	Data & Server State	Data Modeling	Critical	Intermediate	15 min	Pagination	Client-Side Relations; Derived Server Data	3	Published
Client-Side Relations	client-side-relations.md	Data & Server State	Data Modeling	Critical	Intermediate	12 min	Normalizing Server Responses; Pagination	Normalizing Server Responses; Derived Server Data	3	Published
Derived Server Data	derived-server-data.md	Data & Server State	Data Modeling	Critical	Intermediate	12 min	Normalizing Server Responses; Pagination	Normalizing Server Responses; Client-Side Relations	3	Published
Retries & Backoff	retries-and-backoff.md	Data & Server State	Resilience	Critical	Intermediate	12 min	Normalizing Server Responses	Loading & Error States; Offline & Local-First Sync	3	Published
Loading & Error States	loading-and-error-states.md	Data & Server State	Resilience	Critical	Intermediate	12 min	Retries & Backoff; Normalizing Server Responses	Retries & Backoff; Offline & Local-First Sync	3	Published
Offline & Local-First Sync	offline-and-local-first-sync.md	Data & Server State	Resilience	Critical	Intermediate	12 min	Retries & Backoff; Normalizing Server Responses	Retries & Backoff; Loading & Error States	3	Planned

Forms & Validation (16 articles · ~213 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Controlled Inputs	controlled-inputs.md	Forms & Validation	Form State	Critical	Intermediate	12 min	Elements vs Components · React; Structural Typing · TypeScript; Categories of State · State Management	Uncontrolled Inputs & Refs; Form Libraries & State Models; Field Arrays & Dynamic Fields	3	Published
Uncontrolled Inputs & Refs	uncontrolled-inputs-and-refs.md	Forms & Validation	Form State	Critical	Intermediate	12 min	Controlled Inputs	Controlled Inputs; Form Libraries & State Models; Field Arrays & Dynamic Fields	3	Planned
Form Libraries & State Models	form-libraries-and-state-models.md	Forms & Validation	Form State	Critical	Intermediate	15 min	Controlled Inputs	Controlled Inputs; Uncontrolled Inputs & Refs; Field Arrays & Dynamic Fields	3	Published
Field Arrays & Dynamic Fields	field-arrays-and-dynamic-fields.md	Forms & Validation	Form State	Critical	Intermediate	15 min	Controlled Inputs	Controlled Inputs; Uncontrolled Inputs & Refs; Form Libraries & State Models	3	Planned
Client-Side Validation Strategies	client-side-validation-strategies.md	Forms & Validation	Validation	Critical	Intermediate	15 min	Controlled Inputs	Schema Validation; Async & Server Validation; Cross-Field Validation	3	Planned
Schema Validation	schema-validation.md	Forms & Validation	Validation	Critical	Intermediate	12 min	Client-Side Validation Strategies; Controlled Inputs	Client-Side Validation Strategies; Async & Server Validation; Cross-Field Validation	3	Published
Async & Server Validation	async-and-server-validation.md	Forms & Validation	Validation	Critical	Intermediate	12 min	Client-Side Validation Strategies; Controlled Inputs	Client-Side Validation Strategies; Schema Validation; Cross-Field Validation	3	Planned
Cross-Field Validation	cross-field-validation.md	Forms & Validation	Validation	Critical	Intermediate	12 min	Client-Side Validation Strategies; Controlled Inputs	Client-Side Validation Strategies; Schema Validation; Async & Server Validation	3	Planned
Schema-Inferred Types	schema-inferred-types.md	Forms & Validation	Type-Safe Contracts	Critical	Intermediate	12 min	Client-Side Validation Strategies	Shared Client/Server Schemas	3	Published
Shared Client/Server Schemas	shared-client-server-schemas.md	Forms & Validation	Type-Safe Contracts	Critical	Intermediate	15 min	Schema-Inferred Types; Client-Side Validation Strategies	Schema-Inferred Types	3	Planned
Error Messaging	error-messaging.md	Forms & Validation	Feedback & UX	Critical	Intermediate	12 min	Schema-Inferred Types	Inline vs Submit Validation; Dirty, Touched & Submit State	3	Published
Inline vs Submit Validation	inline-vs-submit-validation.md	Forms & Validation	Feedback & UX	Critical	Intermediate	15 min	Error Messaging; Schema-Inferred Types	Error Messaging; Dirty, Touched & Submit State	3	Planned
Dirty, Touched & Submit State	dirty-touched-and-submit-state.md	Forms & Validation	Feedback & UX	Critical	Intermediate	15 min	Error Messaging; Schema-Inferred Types	Error Messaging; Inline vs Submit Validation	3	Planned
Composite & Custom Inputs	composite-and-custom-inputs.md	Forms & Validation	Complex Flows	Critical	Intermediate	12 min	Error Messaging	Multi-Step Wizards; Autosave & Draft Persistence	3	Planned
Multi-Step Wizards	multi-step-wizards.md	Forms & Validation	Complex Flows	Critical	Intermediate	12 min	Composite & Custom Inputs; Error Messaging	Composite & Custom Inputs; Autosave & Draft Persistence	3	Planned
Autosave & Draft Persistence	autosave-and-draft-persistence.md	Forms & Validation	Complex Flows	Critical	Intermediate	15 min	Composite & Custom Inputs; Error Messaging	Composite & Custom Inputs; Multi-Step Wizards	3	Planned

State Management (18 articles · ~231 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Categories of State	categories-of-state.md	State Management	State Taxonomy	Critical	Intermediate	12 min	Elements vs Components · React; Primitives & Wrappers · JavaScript	Server vs Client State; UI vs Domain State; Ephemeral vs Persistent State	3	Published
Server vs Client State	server-vs-client-state.md	State Management	State Taxonomy	Critical	Intermediate	12 min	Categories of State	Categories of State; UI vs Domain State; Ephemeral vs Persistent State	3	Published
UI vs Domain State	ui-vs-domain-state.md	State Management	State Taxonomy	Critical	Intermediate	12 min	Categories of State	Categories of State; Server vs Client State; Ephemeral vs Persistent State	3	Published
Ephemeral vs Persistent State	ephemeral-vs-persistent-state.md	State Management	State Taxonomy	Critical	Intermediate	15 min	Categories of State	Categories of State; Server vs Client State; UI vs Domain State	3	Published
Local State	local-state.md	State Management	State Ownership	Critical	Intermediate	12 min	Categories of State	Lifting State Up; Global State; Colocation vs Centralization	3	Published
Lifting State Up	lifting-state-up.md	State Management	State Ownership	Critical	Intermediate	12 min	Local State; Categories of State	Local State; Global State; Colocation vs Centralization	3	Published
Global State	global-state.md	State Management	State Ownership	Critical	Intermediate	12 min	Local State; Categories of State	Local State; Lifting State Up; Colocation vs Centralization	3	Planned
Colocation vs Centralization	colocation-vs-centralization.md	State Management	State Ownership	Critical	Intermediate	15 min	Local State; Categories of State	Local State; Lifting State Up; Global State	3	Planned
Computed Values	computed-values.md	State Management	Derived State	Critical	Intermediate	12 min	Local State	Selectors & Memoized Selectors; Store Shape & Normalization	3	Planned
Selectors & Memoized Selectors	selectors-and-memoized-selectors.md	State Management	Derived State	Critical	Intermediate	15 min	Computed Values; Local State	Computed Values; Store Shape & Normalization	3	Planned
Store Shape & Normalization	store-shape-and-normalization.md	State Management	Derived State	Critical	Intermediate	15 min	Computed Values; Local State	Computed Values; Selectors & Memoized Selectors	3	Planned
The Reducer Pattern	the-reducer-pattern.md	State Management	State Patterns	Critical	Intermediate	12 min	Computed Values	Unidirectional Data Flow; Event Sourcing & Commands; Modeling UI with State Machines	3	Planned
Unidirectional Data Flow	unidirectional-data-flow.md	State Management	State Patterns	Critical	Intermediate	12 min	The Reducer Pattern; Computed Values	The Reducer Pattern; Event Sourcing & Commands; Modeling UI with State Machines	3	Planned
Event Sourcing & Commands	event-sourcing-and-commands.md	State Management	State Patterns	Critical	Intermediate	12 min	The Reducer Pattern; Computed Values	The Reducer Pattern; Unidirectional Data Flow; Modeling UI with State Machines	3	Planned
Modeling UI with State Machines	modeling-ui-with-state-machines.md	State Management	State Patterns	Critical	Intermediate	15 min	The Reducer Pattern; Computed Values	The Reducer Pattern; Unidirectional Data Flow; Event Sourcing & Commands	3	Planned
Store-Based Libraries	store-based-libraries.md	State Management	Libraries & Models	Critical	Intermediate	12 min	The Reducer Pattern	Atom-Based Libraries; Proxy-Based Reactivity	3	Planned
Atom-Based Libraries	atom-based-libraries.md	State Management	Libraries & Models	Critical	Intermediate	12 min	Store-Based Libraries; The Reducer Pattern	Store-Based Libraries; Proxy-Based Reactivity	3	Planned
Proxy-Based Reactivity	proxy-based-reactivity.md	State Management	Libraries & Models	Critical	Intermediate	12 min	Store-Based Libraries; The Reducer Pattern	Store-Based Libraries; Atom-Based Libraries	3	Planned

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04 · Interface Engineering · Priority: High · 64 articles

Accessibility (19 articles · ~237 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
WCAG Principles (POUR)	wcag-principles-pour.md	Accessibility	Standards	High	Intermediate	12 min	The Document Outline · HTML & Document Semantics; Prop Design & Contracts · Component & Interaction Design	Conformance Levels; The ARIA Model; Accessible Name Computation	3	Published
Conformance Levels	conformance-levels.md	Accessibility	Standards	High	Intermediate	12 min	WCAG Principles (POUR)	WCAG Principles (POUR); The ARIA Model; Accessible Name Computation	3	Published
The ARIA Model	the-aria-model.md	Accessibility	Standards	High	Intermediate	12 min	WCAG Principles (POUR)	WCAG Principles (POUR); Conformance Levels; Accessible Name Computation	3	Published
Accessible Name Computation	accessible-name-computation.md	Accessibility	Standards	High	Intermediate	15 min	WCAG Principles (POUR)	WCAG Principles (POUR); Conformance Levels; The ARIA Model	3	Published
Role, Name, State	role-name-state.md	Accessibility	The Accessibility Tree	High	Intermediate	12 min	WCAG Principles (POUR)	The Tree & Assistive Tech; Screen Reader Behavior	3	Published
The Tree & Assistive Tech	the-tree-and-assistive-tech.md	Accessibility	The Accessibility Tree	High	Intermediate	12 min	Role, Name, State; WCAG Principles (POUR)	Role, Name, State; Screen Reader Behavior	3	Planned
Screen Reader Behavior	screen-reader-behavior.md	Accessibility	The Accessibility Tree	High	Intermediate	12 min	Role, Name, State; WCAG Principles (POUR)	Role, Name, State; The Tree & Assistive Tech	3	Planned
Keyboard Navigation	keyboard-navigation.md	Accessibility	Keyboard & Focus	High	Intermediate	12 min	Role, Name, State	Focus Management; Focus Order & Tab Trapping; Skip Links & Landmarks	3	Planned
Focus Management	focus-management.md	Accessibility	Keyboard & Focus	High	Intermediate	12 min	Keyboard Navigation; Role, Name, State	Keyboard Navigation; Focus Order & Tab Trapping; Skip Links & Landmarks	3	Planned
Focus Order & Tab Trapping	focus-order-and-tab-trapping.md	Accessibility	Keyboard & Focus	High	Intermediate	12 min	Keyboard Navigation; Role, Name, State	Keyboard Navigation; Focus Management; Skip Links & Landmarks	3	Planned
Skip Links & Landmarks	skip-links-and-landmarks.md	Accessibility	Keyboard & Focus	High	Intermediate	12 min	Keyboard Navigation; Role, Name, State	Keyboard Navigation; Focus Management; Focus Order & Tab Trapping	3	Planned
Color Contrast Conformance	color-contrast-conformance.md	Accessibility	Perceivable UI	High	Intermediate	12 min	Keyboard Navigation	Text Alternatives; Reduced Motion & Vestibular Safety	3	Planned
Text Alternatives	text-alternatives.md	Accessibility	Perceivable UI	High	Intermediate	12 min	Color Contrast Conformance; Keyboard Navigation	Color Contrast Conformance; Reduced Motion & Vestibular Safety	3	Planned
Reduced Motion & Vestibular Safety	reduced-motion-and-vestibular-safety.md	Accessibility	Perceivable UI	High	Intermediate	15 min	Color Contrast Conformance; Keyboard Navigation	Color Contrast Conformance; Text Alternatives	3	Planned
WAI-ARIA Widget Patterns	wai-aria-widget-patterns.md	Accessibility	Accessible Patterns	High	Intermediate	12 min	Color Contrast Conformance	Accessible Forms; Live Regions & Announcements	3	Planned
Accessible Forms	accessible-forms.md	Accessibility	Accessible Patterns	High	Intermediate	12 min	WAI-ARIA Widget Patterns; Color Contrast Conformance	WAI-ARIA Widget Patterns; Live Regions & Announcements	3	Planned
Live Regions & Announcements	live-regions-and-announcements.md	Accessibility	Accessible Patterns	High	Intermediate	15 min	WAI-ARIA Widget Patterns; Color Contrast Conformance	WAI-ARIA Widget Patterns; Accessible Forms	3	Planned
Automated Auditing	automated-auditing.md	Accessibility	Verification	High	Intermediate	12 min	WAI-ARIA Widget Patterns	Manual & AT Testing	3	Planned
Manual & AT Testing	manual-and-at-testing.md	Accessibility	Verification	High	Intermediate	12 min	Automated Auditing; WAI-ARIA Widget Patterns	Automated Auditing	3	Planned

Animation & Motion (14 articles · ~168 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Easing & Timing	easing-and-timing.md	Animation & Motion	Motion Principles	High	Intermediate	12 min	Specificity · CSS & Visual Systems; Process & Thread Architecture · The Web Platform	Choreography & Sequencing; Purposeful Motion	3	Planned
Choreography & Sequencing	choreography-and-sequencing.md	Animation & Motion	Motion Principles	High	Intermediate	12 min	Easing & Timing	Easing & Timing; Purposeful Motion	3	Planned
Purposeful Motion	purposeful-motion.md	Animation & Motion	Motion Principles	High	Intermediate	12 min	Easing & Timing	Easing & Timing; Choreography & Sequencing	3	Planned
CSS Transitions	css-transitions.md	Animation & Motion	Techniques	High	Intermediate	12 min	Easing & Timing	CSS Animations & Keyframes; The Web Animations API; The View Transitions API; Spring & Physics Animation	3	Planned
CSS Animations & Keyframes	css-animations-and-keyframes.md	Animation & Motion	Techniques	High	Intermediate	12 min	CSS Transitions; Easing & Timing	CSS Transitions; The Web Animations API; The View Transitions API; Spring & Physics Animation	3	Planned
The Web Animations API	the-web-animations-api.md	Animation & Motion	Techniques	High	Intermediate	12 min	CSS Transitions; Easing & Timing	CSS Transitions; CSS Animations & Keyframes; The View Transitions API; Spring & Physics Animation	3	Planned
The View Transitions API	the-view-transitions-api.md	Animation & Motion	Techniques	High	Intermediate	12 min	CSS Transitions; Easing & Timing	CSS Transitions; CSS Animations & Keyframes; The Web Animations API; Spring & Physics Animation	3	Planned
Spring & Physics Animation	spring-and-physics-animation.md	Animation & Motion	Techniques	High	Intermediate	12 min	CSS Transitions; Easing & Timing	CSS Transitions; CSS Animations & Keyframes; The Web Animations API; The View Transitions API	3	Planned
Compositor-Only Properties	compositor-only-properties.md	Animation & Motion	Performance	High	Intermediate	12 min	CSS Transitions	Avoiding Layout Thrash; The FLIP Technique	3	Planned
Avoiding Layout Thrash	avoiding-layout-thrash.md	Animation & Motion	Performance	High	Intermediate	12 min	Compositor-Only Properties; CSS Transitions	Compositor-Only Properties; The FLIP Technique	3	Planned
The FLIP Technique	the-flip-technique.md	Animation & Motion	Performance	High	Intermediate	12 min	Compositor-Only Properties; CSS Transitions	Compositor-Only Properties; Avoiding Layout Thrash	3	Planned
Gesture-Driven Animation	gesture-driven-animation.md	Animation & Motion	Interaction Motion	High	Intermediate	12 min	Compositor-Only Properties	Scroll-Linked Animation; Shared-Element Transitions	3	Planned
Scroll-Linked Animation	scroll-linked-animation.md	Animation & Motion	Interaction Motion	High	Intermediate	12 min	Gesture-Driven Animation; Compositor-Only Properties	Gesture-Driven Animation; Shared-Element Transitions	3	Planned
Shared-Element Transitions	shared-element-transitions.md	Animation & Motion	Interaction Motion	High	Intermediate	12 min	Gesture-Driven Animation; Compositor-Only Properties	Gesture-Driven Animation; Scroll-Linked Animation	3	Planned

Component & Interaction Design (16 articles · ~207 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Prop Design & Contracts	prop-design-and-contracts.md	Component & Interaction Design	Component APIs	High	Intermediate	12 min	Elements vs Components · React; Specificity · CSS & Visual Systems	Composition vs Configuration; Polymorphic Components (as); Slots & Children APIs	3	Planned
Composition vs Configuration	composition-vs-configuration.md	Component & Interaction Design	Component APIs	High	Intermediate	15 min	Prop Design & Contracts	Prop Design & Contracts; Polymorphic Components (as); Slots & Children APIs	3	Planned
Polymorphic Components (as)	polymorphic-components-as.md	Component & Interaction Design	Component APIs	High	Intermediate	15 min	Prop Design & Contracts	Prop Design & Contracts; Composition vs Configuration; Slots & Children APIs	3	Planned
Slots & Children APIs	slots-and-children-apis.md	Component & Interaction Design	Component APIs	High	Intermediate	12 min	Prop Design & Contracts	Prop Design & Contracts; Composition vs Configuration; Polymorphic Components (as)	3	Planned
Headless Components	headless-components.md	Component & Interaction Design	Behavior Patterns	High	Intermediate	12 min	Prop Design & Contracts	Controlled vs Uncontrolled Pattern; Compound Components; Render Props	3	Planned
Controlled vs Uncontrolled Pattern	controlled-vs-uncontrolled-pattern.md	Component & Interaction Design	Behavior Patterns	High	Intermediate	15 min	Headless Components; Prop Design & Contracts	Headless Components; Compound Components; Render Props	3	Planned
Compound Components	compound-components.md	Component & Interaction Design	Behavior Patterns	High	Intermediate	12 min	Headless Components; Prop Design & Contracts	Headless Components; Controlled vs Uncontrolled Pattern; Render Props	3	Planned
Render Props	render-props.md	Component & Interaction Design	Behavior Patterns	High	Intermediate	12 min	Headless Components; Prop Design & Contracts	Headless Components; Controlled vs Uncontrolled Pattern; Compound Components	3	Planned
Pointer & Mouse Interaction	pointer-and-mouse-interaction.md	Component & Interaction Design	Interaction	High	Intermediate	15 min	Headless Components	Drag & Drop; Hover, Press & Long-Press States; Gesture Handling	3	Planned
Drag & Drop	drag-and-drop.md	Component & Interaction Design	Interaction	High	Intermediate	12 min	Pointer & Mouse Interaction; Headless Components	Pointer & Mouse Interaction; Hover, Press & Long-Press States; Gesture Handling	3	Planned
Hover, Press & Long-Press States	hover-press-and-long-press-states.md	Component & Interaction Design	Interaction	High	Intermediate	15 min	Pointer & Mouse Interaction; Headless Components	Pointer & Mouse Interaction; Drag & Drop; Gesture Handling	3	Planned
Gesture Handling	gesture-handling.md	Component & Interaction Design	Interaction	High	Intermediate	12 min	Pointer & Mouse Interaction; Headless Components	Pointer & Mouse Interaction; Drag & Drop; Hover, Press & Long-Press States	3	Planned
Loading & Skeleton States	loading-and-skeleton-states.md	Component & Interaction Design	Interface State	High	Intermediate	12 min	Pointer & Mouse Interaction	Empty States; Error & Retry States; Disabled & Busy States	3	Planned
Empty States	empty-states.md	Component & Interaction Design	Interface State	High	Intermediate	12 min	Loading & Skeleton States; Pointer & Mouse Interaction	Loading & Skeleton States; Error & Retry States; Disabled & Busy States	3	Planned
Error & Retry States	error-and-retry-states.md	Component & Interaction Design	Interface State	High	Intermediate	12 min	Loading & Skeleton States; Pointer & Mouse Interaction	Loading & Skeleton States; Empty States; Disabled & Busy States	3	Planned
Disabled & Busy States	disabled-and-busy-states.md	Component & Interaction Design	Interface State	High	Intermediate	12 min	Loading & Skeleton States; Pointer & Mouse Interaction	Loading & Skeleton States; Empty States; Error & Retry States	3	Planned

Design Systems (15 articles · ~192 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Design Primitives	design-primitives.md	Design Systems	Foundations	High	Intermediate	12 min	Specificity · CSS & Visual Systems; Prop Design & Contracts · Component & Interaction Design	Spacing & Layout Scales; Elevation & Surfaces	3	Planned
Spacing & Layout Scales	spacing-and-layout-scales.md	Design Systems	Foundations	High	Intermediate	12 min	Design Primitives	Design Primitives; Elevation & Surfaces	3	Planned
Elevation & Surfaces	elevation-and-surfaces.md	Design Systems	Foundations	High	Intermediate	12 min	Design Primitives	Design Primitives; Spacing & Layout Scales	3	Planned
Token Architecture	token-architecture.md	Design Systems	Tokens	High	Intermediate	12 min	Design Primitives	Semantic Token Layers; Token Transformation & Distribution	3	Planned
Semantic Token Layers	semantic-token-layers.md	Design Systems	Tokens	High	Intermediate	12 min	Token Architecture; Design Primitives	Token Architecture; Token Transformation & Distribution	3	Planned
Token Transformation & Distribution	token-transformation-and-distribution.md	Design Systems	Tokens	High	Intermediate	15 min	Token Architecture; Design Primitives	Token Architecture; Semantic Token Layers	3	Planned
Light/Dark & Color Modes	light-dark-and-color-modes.md	Design Systems	Theming	High	Intermediate	12 min	Token Architecture	Multi-Brand Theming; Runtime vs Build-Time Theming	3	Planned
Multi-Brand Theming	multi-brand-theming.md	Design Systems	Theming	High	Intermediate	12 min	Light/Dark & Color Modes; Token Architecture	Light/Dark & Color Modes; Runtime vs Build-Time Theming	3	Planned
Runtime vs Build-Time Theming	runtime-vs-build-time-theming.md	Design Systems	Theming	High	Intermediate	15 min	Light/Dark & Color Modes; Token Architecture	Light/Dark & Color Modes; Multi-Brand Theming	3	Planned
Contribution Model	contribution-model.md	Design Systems	Governance	High	Intermediate	12 min	Light/Dark & Color Modes	Versioning & Deprecation; Breaking Changes & Migration	3	Planned
Versioning & Deprecation	versioning-and-deprecation.md	Design Systems	Governance	High	Intermediate	12 min	Contribution Model; Light/Dark & Color Modes	Contribution Model; Breaking Changes & Migration	3	Planned
Breaking Changes & Migration	breaking-changes-and-migration.md	Design Systems	Governance	High	Intermediate	15 min	Contribution Model; Light/Dark & Color Modes	Contribution Model; Versioning & Deprecation	3	Planned
Usage Guidelines	usage-guidelines.md	Design Systems	Adoption	High	Intermediate	12 min	Contribution Model	Living Docs & Playgrounds; Adoption & Coverage Metrics	3	Planned
Living Docs & Playgrounds	living-docs-and-playgrounds.md	Design Systems	Adoption	High	Intermediate	12 min	Usage Guidelines; Contribution Model	Usage Guidelines; Adoption & Coverage Metrics	3	Planned
Adoption & Coverage Metrics	adoption-and-coverage-metrics.md	Design Systems	Adoption	High	Intermediate	15 min	Usage Guidelines; Contribution Model	Usage Guidelines; Living Docs & Playgrounds	3	Planned

---

05 · Reliability & Quality · Priority: Critical · 79 articles

Observability & Reliability (15 articles · ~255 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Client Error Capture	client-error-capture.md	Observability & Reliability	Error Tracking	Critical	Advanced	16 min	Core Web Vitals (LCP, INP, CLS) · Performance Engineering; Static Hosting · Delivery & Infrastructure	Source Maps & Symbolication; Error Grouping & Alerting	4	Planned
Source Maps & Symbolication	source-maps-and-symbolication.md	Observability & Reliability	Error Tracking	Critical	Advanced	19 min	Client Error Capture	Client Error Capture; Error Grouping & Alerting	4	Planned
Error Grouping & Alerting	error-grouping-and-alerting.md	Observability & Reliability	Error Tracking	Critical	Advanced	16 min	Client Error Capture	Client Error Capture; Source Maps & Symbolication	4	Planned
RUM & Field Vitals	rum-and-field-vitals.md	Observability & Reliability	Real-User Monitoring	Critical	Advanced	16 min	Client Error Capture	Session Replay; Sampling Strategies	4	Planned
Session Replay	session-replay.md	Observability & Reliability	Real-User Monitoring	Critical	Advanced	16 min	RUM & Field Vitals; Client Error Capture	RUM & Field Vitals; Sampling Strategies	4	Planned
Sampling Strategies	sampling-strategies.md	Observability & Reliability	Real-User Monitoring	Critical	Advanced	16 min	RUM & Field Vitals; Client Error Capture	RUM & Field Vitals; Session Replay	4	Planned
Structured Logging	structured-logging.md	Observability & Reliability	Instrumentation	Critical	Advanced	16 min	RUM & Field Vitals	Frontend Tracing & Spans; Custom Metrics & Events	4	Planned
Frontend Tracing & Spans	frontend-tracing-and-spans.md	Observability & Reliability	Instrumentation	Critical	Advanced	16 min	Structured Logging; RUM & Field Vitals	Structured Logging; Custom Metrics & Events	4	Planned
Custom Metrics & Events	custom-metrics-and-events.md	Observability & Reliability	Instrumentation	Critical	Advanced	16 min	Structured Logging; RUM & Field Vitals	Structured Logging; Frontend Tracing & Spans	4	Planned
Analytics Events	analytics-events.md	Observability & Reliability	Product Telemetry	Critical	Advanced	16 min	Structured Logging	Funnels & Conversion; Privacy-Safe Analytics	4	Planned
Funnels & Conversion	funnels-and-conversion.md	Observability & Reliability	Product Telemetry	Critical	Advanced	16 min	Analytics Events; Structured Logging	Analytics Events; Privacy-Safe Analytics	4	Planned
Privacy-Safe Analytics	privacy-safe-analytics.md	Observability & Reliability	Product Telemetry	Critical	Advanced	16 min	Analytics Events; Structured Logging	Analytics Events; Funnels & Conversion	4	Planned
On-Call & Alerting	on-call-and-alerting.md	Observability & Reliability	Incident Response	Critical	Staff	20 min	Analytics Events	Postmortems & RCA; Error Budgets & SLOs	1	Planned
Postmortems & RCA	postmortems-and-rca.md	Observability & Reliability	Incident Response	Critical	Staff	20 min	On-Call & Alerting; Analytics Events	On-Call & Alerting; Error Budgets & SLOs	1	Planned
Error Budgets & SLOs	error-budgets-and-slos.md	Observability & Reliability	Incident Response	Critical	Staff	20 min	On-Call & Alerting; Analytics Events	On-Call & Alerting; Postmortems & RCA	1	Planned

Performance Engineering (22 articles · ~303 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Core Web Vitals (LCP, INP, CLS)	core-web-vitals-lcp-inp-cls.md	Performance Engineering	Metrics	Critical	Intermediate	15 min	Process & Thread Architecture · The Web Platform; Parsing & Bytecode · Runtime & Execution; HTTP/1.1 Semantics · Networking & Protocols	Perceived vs Actual Performance; Custom Performance Metrics; Lab vs Field Measurement	3	Published
Perceived vs Actual Performance	perceived-vs-actual-performance.md	Performance Engineering	Metrics	Critical	Intermediate	15 min	Core Web Vitals (LCP, INP, CLS)	Core Web Vitals (LCP, INP, CLS); Custom Performance Metrics; Lab vs Field Measurement	3	Planned
Custom Performance Metrics	custom-performance-metrics.md	Performance Engineering	Metrics	Critical	Intermediate	12 min	Core Web Vitals (LCP, INP, CLS)	Core Web Vitals (LCP, INP, CLS); Perceived vs Actual Performance; Lab vs Field Measurement	3	Planned
Lab vs Field Measurement	lab-vs-field-measurement.md	Performance Engineering	Metrics	Critical	Intermediate	12 min	Core Web Vitals (LCP, INP, CLS)	Core Web Vitals (LCP, INP, CLS); Perceived vs Actual Performance; Custom Performance Metrics	3	Planned
The Critical Rendering Path	the-critical-rendering-path.md	Performance Engineering	Loading Performance	Critical	Intermediate	15 min	Core Web Vitals (LCP, INP, CLS)	Code Splitting; Resource Prefetch & Preload; Critical CSS & Above-the-Fold; Font & Asset Loading Strategy	3	Published
Code Splitting	code-splitting.md	Performance Engineering	Loading Performance	Critical	Intermediate	12 min	The Critical Rendering Path; Core Web Vitals (LCP, INP, CLS)	The Critical Rendering Path; Resource Prefetch & Preload; Critical CSS & Above-the-Fold; Font & Asset Loading Strategy	3	Published
Resource Prefetch & Preload	resource-prefetch-and-preload.md	Performance Engineering	Loading Performance	Critical	Intermediate	15 min	The Critical Rendering Path; Core Web Vitals (LCP, INP, CLS)	The Critical Rendering Path; Code Splitting; Critical CSS & Above-the-Fold; Font & Asset Loading Strategy	3	Published
Critical CSS & Above-the-Fold	critical-css-and-above-the-fold.md	Performance Engineering	Loading Performance	Critical	Intermediate	15 min	The Critical Rendering Path; Core Web Vitals (LCP, INP, CLS)	The Critical Rendering Path; Code Splitting; Resource Prefetch & Preload; Font & Asset Loading Strategy	3	Planned
Font & Asset Loading Strategy	font-and-asset-loading-strategy.md	Performance Engineering	Loading Performance	Critical	Intermediate	15 min	The Critical Rendering Path; Core Web Vitals (LCP, INP, CLS)	The Critical Rendering Path; Code Splitting; Resource Prefetch & Preload; Critical CSS & Above-the-Fold	3	Planned
Image Optimization	image-optimization.md	Performance Engineering	Asset Optimization	Critical	Intermediate	12 min	The Critical Rendering Path	Media & Video Optimization; Bundle Size Optimization; Asset Minification & Compression	3	Planned
Media & Video Optimization	media-and-video-optimization.md	Performance Engineering	Asset Optimization	Critical	Intermediate	12 min	Image Optimization; The Critical Rendering Path	Image Optimization; Bundle Size Optimization; Asset Minification & Compression	3	Planned
Bundle Size Optimization	bundle-size-optimization.md	Performance Engineering	Asset Optimization	Critical	Intermediate	12 min	Image Optimization; The Critical Rendering Path	Image Optimization; Media & Video Optimization; Asset Minification & Compression	3	Planned
Asset Minification & Compression	asset-minification-and-compression.md	Performance Engineering	Asset Optimization	Critical	Intermediate	15 min	Image Optimization; The Critical Rendering Path	Image Optimization; Media & Video Optimization; Bundle Size Optimization	3	Planned
Rendering Cost & Re-renders	rendering-cost-and-re-renders.md	Performance Engineering	Runtime Performance	Critical	Intermediate	15 min	Image Optimization	Long Tasks & Main-Thread Work; Debounce, Throttle & Scheduling; Offloading to Workers	3	Planned
Long Tasks & Main-Thread Work	long-tasks-and-main-thread-work.md	Performance Engineering	Runtime Performance	Critical	Intermediate	15 min	Rendering Cost & Re-renders; Image Optimization	Rendering Cost & Re-renders; Debounce, Throttle & Scheduling; Offloading to Workers	3	Planned
Debounce, Throttle & Scheduling	debounce-throttle-and-scheduling.md	Performance Engineering	Runtime Performance	Critical	Intermediate	15 min	Rendering Cost & Re-renders; Image Optimization	Rendering Cost & Re-renders; Long Tasks & Main-Thread Work; Offloading to Workers	3	Planned
Offloading to Workers	offloading-to-workers.md	Performance Engineering	Runtime Performance	Critical	Intermediate	12 min	Rendering Cost & Re-renders; Image Optimization	Rendering Cost & Re-renders; Long Tasks & Main-Thread Work; Debounce, Throttle & Scheduling	3	Planned
Memory Profiling in Practice	memory-profiling-in-practice.md	Performance Engineering	Memory Performance	Critical	Intermediate	15 min	Rendering Cost & Re-renders	Long-Session Memory Growth	3	Planned
Long-Session Memory Growth	long-session-memory-growth.md	Performance Engineering	Memory Performance	Critical	Intermediate	12 min	Memory Profiling in Practice; Rendering Cost & Re-renders	Memory Profiling in Practice	3	Planned
Performance Budgets	performance-budgets.md	Performance Engineering	Performance Culture	Critical	Intermediate	12 min	Memory Profiling in Practice	Regression Prevention & CI Gates; Caching for Performance (cross-layer)	3	Planned
Regression Prevention & CI Gates	regression-prevention-and-ci-gates.md	Performance Engineering	Performance Culture	Critical	Intermediate	15 min	Performance Budgets; Memory Profiling in Practice	Performance Budgets; Caching for Performance (cross-layer)	3	Planned
Caching for Performance (cross-layer)	caching-for-performance-cross-layer.md	Performance Engineering	Performance Culture	Critical	Intermediate	15 min	Performance Budgets; Memory Profiling in Practice	Performance Budgets; Regression Prevention & CI Gates	3	Planned

Security (24 articles · ~387 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Same-Origin Policy	same-origin-policy.md	Security	The Security Model	Critical	Advanced	16 min	HTTP/1.1 Semantics · Networking & Protocols; Web Storage · Browser APIs	CORS; Isolation (COOP/COEP)	4	Published
CORS	cors.md	Security	The Security Model	Critical	Advanced	16 min	Same-Origin Policy	Same-Origin Policy; Isolation (COOP/COEP)	4	Published
Isolation (COOP/COEP)	isolation-coop-coep.md	Security	The Security Model	Critical	Advanced	16 min	Same-Origin Policy	Same-Origin Policy; CORS	4	Planned
Cross-Site Scripting (XSS)	cross-site-scripting-xss.md	Security	Injection Attacks	Critical	Advanced	16 min	Same-Origin Policy	DOM-Based XSS; HTML/Template Injection; Sanitization & Encoding	4	Planned
DOM-Based XSS	dom-based-xss.md	Security	Injection Attacks	Critical	Advanced	16 min	Cross-Site Scripting (XSS); Same-Origin Policy	Cross-Site Scripting (XSS); HTML/Template Injection; Sanitization & Encoding	4	Planned
HTML/Template Injection	html-template-injection.md	Security	Injection Attacks	Critical	Advanced	16 min	Cross-Site Scripting (XSS); Same-Origin Policy	Cross-Site Scripting (XSS); DOM-Based XSS; Sanitization & Encoding	4	Planned
Sanitization & Encoding	sanitization-and-encoding.md	Security	Injection Attacks	Critical	Advanced	16 min	Cross-Site Scripting (XSS); Same-Origin Policy	Cross-Site Scripting (XSS); DOM-Based XSS; HTML/Template Injection	4	Planned
Cross-Site Request Forgery	cross-site-request-forgery.md	Security	Request Attacks	Critical	Advanced	16 min	Cross-Site Scripting (XSS)	Clickjacking; Client-Edge SSRF	4	Planned
Clickjacking	clickjacking.md	Security	Request Attacks	Critical	Advanced	16 min	Cross-Site Request Forgery; Cross-Site Scripting (XSS)	Cross-Site Request Forgery; Client-Edge SSRF	4	Planned
Client-Edge SSRF	client-edge-ssrf.md	Security	Request Attacks	Critical	Advanced	16 min	Cross-Site Request Forgery; Cross-Site Scripting (XSS)	Cross-Site Request Forgery; Clickjacking	4	Planned
Content Security Policy	content-security-policy.md	Security	Content Security	Critical	Advanced	16 min	Cross-Site Request Forgery	Trusted Types; Subresource Integrity	4	Planned
Trusted Types	trusted-types.md	Security	Content Security	Critical	Advanced	16 min	Content Security Policy; Cross-Site Request Forgery	Content Security Policy; Subresource Integrity	4	Planned
Subresource Integrity	subresource-integrity.md	Security	Content Security	Critical	Advanced	16 min	Content Security Policy; Cross-Site Request Forgery	Content Security Policy; Trusted Types	4	Planned
Session Management	session-management.md	Security	Authentication & Sessions	Critical	Advanced	16 min	Content Security Policy	Token Types (JWT, opaque); Token Storage Trade-offs; OAuth & OIDC Flows; Client Auth (guards, refresh)	4	Planned
Token Types (JWT, opaque)	token-types-jwt-opaque.md	Security	Authentication & Sessions	Critical	Advanced	16 min	Session Management; Content Security Policy	Session Management; Token Storage Trade-offs; OAuth & OIDC Flows; Client Auth (guards, refresh)	4	Planned
Token Storage Trade-offs	token-storage-trade-offs.md	Security	Authentication & Sessions	Critical	Advanced	16 min	Session Management; Content Security Policy	Session Management; Token Types (JWT, opaque); OAuth & OIDC Flows; Client Auth (guards, refresh)	4	Planned
OAuth & OIDC Flows	oauth-and-oidc-flows.md	Security	Authentication & Sessions	Critical	Advanced	16 min	Session Management; Content Security Policy	Session Management; Token Types (JWT, opaque); Token Storage Trade-offs; Client Auth (guards, refresh)	4	Planned
Client Auth (guards, refresh)	client-auth-guards-refresh.md	Security	Authentication & Sessions	Critical	Advanced	19 min	Session Management; Content Security Policy	Session Management; Token Types (JWT, opaque); Token Storage Trade-offs; OAuth & OIDC Flows	4	Planned
Dependency Vulnerabilities	dependency-vulnerabilities.md	Security	Supply Chain	Critical	Advanced	16 min	Session Management	Lockfiles & Provenance; Third-Party Script Risk	4	Planned
Lockfiles & Provenance	lockfiles-and-provenance.md	Security	Supply Chain	Critical	Advanced	16 min	Dependency Vulnerabilities; Session Management	Dependency Vulnerabilities; Third-Party Script Risk	4	Planned
Third-Party Script Risk	third-party-script-risk.md	Security	Supply Chain	Critical	Advanced	16 min	Dependency Vulnerabilities; Session Management	Dependency Vulnerabilities; Lockfiles & Provenance	4	Planned
Data Handling & PII	data-handling-and-pii.md	Security	Privacy	Critical	Advanced	16 min	Dependency Vulnerabilities	Consent & Tracking; Regulatory Compliance	4	Planned
Consent & Tracking	consent-and-tracking.md	Security	Privacy	Critical	Advanced	16 min	Data Handling & PII; Dependency Vulnerabilities	Data Handling & PII; Regulatory Compliance	4	Planned
Regulatory Compliance	regulatory-compliance.md	Security	Privacy	Critical	Advanced	16 min	Data Handling & PII; Dependency Vulnerabilities	Data Handling & PII; Consent & Tracking	4	Planned

Testing & Quality (18 articles · ~231 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
The Testing Pyramid/Trophy	the-testing-pyramid-trophy.md	Testing & Quality	Strategy	Critical	Intermediate	12 min	Elements vs Components · React; Primitives & Wrappers · JavaScript	What to Test & Coverage Goals; Test Doubles (mocks, stubs, fakes)	3	Published
What to Test & Coverage Goals	what-to-test-and-coverage-goals.md	Testing & Quality	Strategy	Critical	Intermediate	15 min	The Testing Pyramid/Trophy	The Testing Pyramid/Trophy; Test Doubles (mocks, stubs, fakes)	3	Published
Test Doubles (mocks, stubs, fakes)	test-doubles-mocks-stubs-fakes.md	Testing & Quality	Strategy	Critical	Intermediate	15 min	The Testing Pyramid/Trophy	The Testing Pyramid/Trophy; What to Test & Coverage Goals	3	Published
Pure Logic Testing	pure-logic-testing.md	Testing & Quality	Unit Testing	Critical	Intermediate	12 min	The Testing Pyramid/Trophy	Testing Hooks & Utilities; Property-Based Testing	3	Published
Testing Hooks & Utilities	testing-hooks-and-utilities.md	Testing & Quality	Unit Testing	Critical	Intermediate	12 min	Pure Logic Testing; The Testing Pyramid/Trophy	Pure Logic Testing; Property-Based Testing	3	Planned
Property-Based Testing	property-based-testing.md	Testing & Quality	Unit Testing	Critical	Intermediate	12 min	Pure Logic Testing; The Testing Pyramid/Trophy	Pure Logic Testing; Testing Hooks & Utilities	3	Planned
Rendering & Querying	rendering-and-querying.md	Testing & Quality	Component Testing	Critical	Intermediate	12 min	Pure Logic Testing	User-Event Simulation; Accessibility-Tree Assertions	3	Planned
User-Event Simulation	user-event-simulation.md	Testing & Quality	Component Testing	Critical	Intermediate	12 min	Rendering & Querying; Pure Logic Testing	Rendering & Querying; Accessibility-Tree Assertions	3	Planned
Accessibility-Tree Assertions	accessibility-tree-assertions.md	Testing & Quality	Component Testing	Critical	Intermediate	15 min	Rendering & Querying; Pure Logic Testing	Rendering & Querying; User-Event Simulation	3	Planned
Testing with Real Providers	testing-with-real-providers.md	Testing & Quality	Integration Testing	Critical	Intermediate	15 min	Rendering & Querying	Network Mocking; Testing State & Data Flows	3	Planned
Network Mocking	network-mocking.md	Testing & Quality	Integration Testing	Critical	Intermediate	12 min	Testing with Real Providers; Rendering & Querying	Testing with Real Providers; Testing State & Data Flows	3	Planned
Testing State & Data Flows	testing-state-and-data-flows.md	Testing & Quality	Integration Testing	Critical	Intermediate	12 min	Testing with Real Providers; Rendering & Querying	Testing with Real Providers; Network Mocking	3	Planned
E2E User Flows	e2e-user-flows.md	Testing & Quality	End-to-End	Critical	Intermediate	12 min	Testing with Real Providers	Cross-Browser Testing; Visual Regression Testing	3	Planned
Cross-Browser Testing	cross-browser-testing.md	Testing & Quality	End-to-End	Critical	Intermediate	12 min	E2E User Flows; Testing with Real Providers	E2E User Flows; Visual Regression Testing	3	Planned
Visual Regression Testing	visual-regression-testing.md	Testing & Quality	End-to-End	Critical	Intermediate	12 min	E2E User Flows; Testing with Real Providers	E2E User Flows; Cross-Browser Testing	3	Planned
Flakiness & Determinism	flakiness-and-determinism.md	Testing & Quality	Test Health	Critical	Intermediate	12 min	E2E User Flows	Test Performance & Parallelism; Test Maintenance	3	Planned
Test Performance & Parallelism	test-performance-and-parallelism.md	Testing & Quality	Test Health	Critical	Intermediate	15 min	Flakiness & Determinism; E2E User Flows	Flakiness & Determinism; Test Maintenance	3	Planned
Test Maintenance	test-maintenance.md	Testing & Quality	Test Health	Critical	Intermediate	12 min	Flakiness & Determinism; E2E User Flows	Flakiness & Determinism; Test Performance & Parallelism	3	Planned

---

06 · Engineering Systems · Priority: High · 69 articles

Build Systems & Tooling (16 articles · ~216 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
The Dependency Graph	the-dependency-graph.md	Build Systems & Tooling	Module Bundling	High	Intermediate	12 min	Primitives & Wrappers · JavaScript; Dependency Resolution · Package Architecture	Bundler Models; Entry Points & Output	3	Planned
Bundler Models	bundler-models.md	Build Systems & Tooling	Module Bundling	High	Intermediate	12 min	The Dependency Graph	The Dependency Graph; Entry Points & Output	3	Planned
Entry Points & Output	entry-points-and-output.md	Build Systems & Tooling	Module Bundling	High	Intermediate	12 min	The Dependency Graph	The Dependency Graph; Bundler Models	3	Planned
Transpilation & Targets	transpilation-and-targets.md	Build Systems & Tooling	Compilation	High	Advanced	16 min	The Dependency Graph	Source-to-Source Compilers; AST Transforms & Plugins	4	Planned
Source-to-Source Compilers	source-to-source-compilers.md	Build Systems & Tooling	Compilation	High	Advanced	16 min	Transpilation & Targets; The Dependency Graph	Transpilation & Targets; AST Transforms & Plugins	4	Planned
AST Transforms & Plugins	ast-transforms-and-plugins.md	Build Systems & Tooling	Compilation	High	Advanced	16 min	Transpilation & Targets; The Dependency Graph	Transpilation & Targets; Source-to-Source Compilers	4	Planned
Tree Shaking	tree-shaking.md	Build Systems & Tooling	Optimization	High	Intermediate	12 min	Transpilation & Targets	Dead Code Elimination; Chunking & Split Points; Scope Hoisting	3	Planned
Dead Code Elimination	dead-code-elimination.md	Build Systems & Tooling	Optimization	High	Intermediate	12 min	Tree Shaking; Transpilation & Targets	Tree Shaking; Chunking & Split Points; Scope Hoisting	3	Planned
Chunking & Split Points	chunking-and-split-points.md	Build Systems & Tooling	Optimization	High	Intermediate	12 min	Tree Shaking; Transpilation & Targets	Tree Shaking; Dead Code Elimination; Scope Hoisting	3	Planned
Scope Hoisting	scope-hoisting.md	Build Systems & Tooling	Optimization	High	Intermediate	12 min	Tree Shaking; Transpilation & Targets	Tree Shaking; Dead Code Elimination; Chunking & Split Points	3	Planned
Source Maps	source-maps.md	Build Systems & Tooling	Developer Aids	High	Intermediate	12 min	Tree Shaking	Hot Module Replacement; Dev Server Architecture	3	Planned
Hot Module Replacement	hot-module-replacement.md	Build Systems & Tooling	Developer Aids	High	Intermediate	12 min	Source Maps; Tree Shaking	Source Maps; Dev Server Architecture	3	Planned
Dev Server Architecture	dev-server-architecture.md	Build Systems & Tooling	Developer Aids	High	Intermediate	12 min	Source Maps; Tree Shaking	Source Maps; Hot Module Replacement	3	Planned
Incremental Builds	incremental-builds.md	Build Systems & Tooling	Build Cache	High	Advanced	16 min	Source Maps	Persistent & Remote Cache; Cache Invalidation Keys	4	Planned
Persistent & Remote Cache	persistent-and-remote-cache.md	Build Systems & Tooling	Build Cache	High	Advanced	16 min	Incremental Builds; Source Maps	Incremental Builds; Cache Invalidation Keys	4	Planned
Cache Invalidation Keys	cache-invalidation-keys.md	Build Systems & Tooling	Build Cache	High	Advanced	16 min	Incremental Builds; Source Maps	Incremental Builds; Persistent & Remote Cache	4	Planned

Delivery & Infrastructure (17 articles · ~278 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Static Hosting	static-hosting.md	Delivery & Infrastructure	Hosting Models	High	Advanced	16 min	The Dependency Graph · Build Systems & Tooling; HTTP/1.1 Semantics · Networking & Protocols	Server & SSR Hosting; Serverless Functions; Edge Runtimes	4	Planned
Server & SSR Hosting	server-and-ssr-hosting.md	Delivery & Infrastructure	Hosting Models	High	Advanced	16 min	Static Hosting	Static Hosting; Serverless Functions; Edge Runtimes	4	Planned
Serverless Functions	serverless-functions.md	Delivery & Infrastructure	Hosting Models	High	Advanced	16 min	Static Hosting	Static Hosting; Server & SSR Hosting; Edge Runtimes	4	Planned
Edge Runtimes	edge-runtimes.md	Delivery & Infrastructure	Hosting Models	High	Advanced	16 min	Static Hosting	Static Hosting; Server & SSR Hosting; Serverless Functions	4	Planned
CDN Architecture	cdn-architecture.md	Delivery & Infrastructure	Content Delivery	High	Advanced	16 min	Static Hosting	Edge Compute & Routing; Immutable Asset URLs	4	Planned
Edge Compute & Routing	edge-compute-and-routing.md	Delivery & Infrastructure	Content Delivery	High	Advanced	16 min	CDN Architecture; Static Hosting	CDN Architecture; Immutable Asset URLs	4	Planned
Immutable Asset URLs	immutable-asset-urls.md	Delivery & Infrastructure	Content Delivery	High	Advanced	16 min	CDN Architecture; Static Hosting	CDN Architecture; Edge Compute & Routing	4	Planned
Environment Configuration	environment-configuration.md	Delivery & Infrastructure	Configuration	High	Advanced	16 min	CDN Architecture	Secrets Management; Feature Configuration	4	Planned
Secrets Management	secrets-management.md	Delivery & Infrastructure	Configuration	High	Advanced	16 min	Environment Configuration; CDN Architecture	Environment Configuration; Feature Configuration	4	Planned
Feature Configuration	feature-configuration.md	Delivery & Infrastructure	Configuration	High	Advanced	16 min	Environment Configuration; CDN Architecture	Environment Configuration; Secrets Management	4	Planned
Deployment Strategies (canary, blue-green)	deployment-strategies-canary-blue-green.md	Delivery & Infrastructure	Release Management	High	Advanced	19 min	Environment Configuration	Rollbacks & Kill Switches; Feature Flags; Progressive Delivery & Experiments	4	Planned
Rollbacks & Kill Switches	rollbacks-and-kill-switches.md	Delivery & Infrastructure	Release Management	High	Advanced	16 min	Deployment Strategies (canary, blue-green); Environment Configuration	Deployment Strategies (canary, blue-green); Feature Flags; Progressive Delivery & Experiments	4	Planned
Feature Flags	feature-flags.md	Delivery & Infrastructure	Release Management	High	Advanced	16 min	Deployment Strategies (canary, blue-green); Environment Configuration	Deployment Strategies (canary, blue-green); Rollbacks & Kill Switches; Progressive Delivery & Experiments	4	Planned
Progressive Delivery & Experiments	progressive-delivery-and-experiments.md	Delivery & Infrastructure	Release Management	High	Advanced	19 min	Deployment Strategies (canary, blue-green); Environment Configuration	Deployment Strategies (canary, blue-green); Rollbacks & Kill Switches; Feature Flags	4	Planned
Scaling & Capacity	scaling-and-capacity.md	Delivery & Infrastructure	Operations	High	Advanced	16 min	Deployment Strategies (canary, blue-green)	Cost Optimization; Uptime & Health Checks	4	Planned
Cost Optimization	cost-optimization.md	Delivery & Infrastructure	Operations	High	Advanced	16 min	Scaling & Capacity; Deployment Strategies (canary, blue-green)	Scaling & Capacity; Uptime & Health Checks	4	Planned
Uptime & Health Checks	uptime-and-health-checks.md	Delivery & Infrastructure	Operations	High	Advanced	16 min	Scaling & Capacity; Deployment Strategies (canary, blue-green)	Scaling & Capacity; Cost Optimization	4	Planned

Developer Experience & Workflow (23 articles · ~285 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Monorepo Architecture	monorepo-architecture.md	Developer Experience & Workflow	Monorepo	High	Intermediate	12 min	The Dependency Graph · Build Systems & Tooling; The Testing Pyramid/Trophy · Testing & Quality	Task Orchestration & Pipelines; Workspace Dependency Graphs; Remote Caching & Affected Builds	3	Planned
Task Orchestration & Pipelines	task-orchestration-and-pipelines.md	Developer Experience & Workflow	Monorepo	High	Intermediate	15 min	Monorepo Architecture	Monorepo Architecture; Workspace Dependency Graphs; Remote Caching & Affected Builds	3	Planned
Workspace Dependency Graphs	workspace-dependency-graphs.md	Developer Experience & Workflow	Monorepo	High	Intermediate	15 min	Monorepo Architecture	Monorepo Architecture; Task Orchestration & Pipelines; Remote Caching & Affected Builds	3	Planned
Remote Caching & Affected Builds	remote-caching-and-affected-builds.md	Developer Experience & Workflow	Monorepo	High	Intermediate	15 min	Monorepo Architecture	Monorepo Architecture; Task Orchestration & Pipelines; Workspace Dependency Graphs	3	Planned
Linting	linting.md	Developer Experience & Workflow	Code Quality	High	Intermediate	12 min	Monorepo Architecture	Formatting; Type Checking in CI	3	Planned
Formatting	formatting.md	Developer Experience & Workflow	Code Quality	High	Intermediate	12 min	Linting; Monorepo Architecture	Linting; Type Checking in CI	3	Planned
Type Checking in CI	type-checking-in-ci.md	Developer Experience & Workflow	Code Quality	High	Intermediate	12 min	Linting; Monorepo Architecture	Linting; Formatting	3	Planned
Fast Feedback Loops	fast-feedback-loops.md	Developer Experience & Workflow	Local Development	High	Intermediate	12 min	Linting	Environment Consistency; Local Service Mocking	3	Planned
Environment Consistency	environment-consistency.md	Developer Experience & Workflow	Local Development	High	Intermediate	12 min	Fast Feedback Loops; Linting	Fast Feedback Loops; Local Service Mocking	3	Planned
Local Service Mocking	local-service-mocking.md	Developer Experience & Workflow	Local Development	High	Intermediate	12 min	Fast Feedback Loops; Linting	Fast Feedback Loops; Environment Consistency	3	Planned
Browser DevTools	browser-devtools.md	Developer Experience & Workflow	Debugging	High	Intermediate	12 min	Fast Feedback Loops	Debugging Techniques; Framework DevTools	3	Planned
Debugging Techniques	debugging-techniques.md	Developer Experience & Workflow	Debugging	High	Intermediate	12 min	Browser DevTools; Fast Feedback Loops	Browser DevTools; Framework DevTools	3	Planned
Framework DevTools	framework-devtools.md	Developer Experience & Workflow	Debugging	High	Intermediate	12 min	Browser DevTools; Fast Feedback Loops	Browser DevTools; Debugging Techniques	3	Planned
Branching Models	branching-models.md	Developer Experience & Workflow	Version Control	High	Intermediate	12 min	Browser DevTools	Commit Conventions; PR & Review Tooling	3	Planned
Commit Conventions	commit-conventions.md	Developer Experience & Workflow	Version Control	High	Intermediate	12 min	Branching Models; Browser DevTools	Branching Models; PR & Review Tooling	3	Planned
PR & Review Tooling	pr-and-review-tooling.md	Developer Experience & Workflow	Version Control	High	Intermediate	12 min	Branching Models; Browser DevTools	Branching Models; Commit Conventions	3	Planned
CI Pipeline Design	ci-pipeline-design.md	Developer Experience & Workflow	Continuous Delivery	High	Intermediate	12 min	Branching Models	Build & Test Automation; Deployment Automation; Pipeline Caching & Speed	3	Planned
Build & Test Automation	build-and-test-automation.md	Developer Experience & Workflow	Continuous Delivery	High	Intermediate	12 min	CI Pipeline Design; Branching Models	CI Pipeline Design; Deployment Automation; Pipeline Caching & Speed	3	Planned
Deployment Automation	deployment-automation.md	Developer Experience & Workflow	Continuous Delivery	High	Intermediate	12 min	CI Pipeline Design; Branching Models	CI Pipeline Design; Build & Test Automation; Pipeline Caching & Speed	3	Planned
Pipeline Caching & Speed	pipeline-caching-and-speed.md	Developer Experience & Workflow	Continuous Delivery	High	Intermediate	12 min	CI Pipeline Design; Branching Models	CI Pipeline Design; Build & Test Automation; Deployment Automation	3	Planned
Codemods & Migrations	codemods-and-migrations.md	Developer Experience & Workflow	Automation	High	Intermediate	12 min	CI Pipeline Design	Scaffolding & Generators; Git Hooks & Pre-commit	3	Planned
Scaffolding & Generators	scaffolding-and-generators.md	Developer Experience & Workflow	Automation	High	Intermediate	12 min	Codemods & Migrations; CI Pipeline Design	Codemods & Migrations; Git Hooks & Pre-commit	3	Planned
Git Hooks & Pre-commit	git-hooks-and-pre-commit.md	Developer Experience & Workflow	Automation	High	Intermediate	12 min	Codemods & Migrations; CI Pipeline Design	Codemods & Migrations; Scaffolding & Generators	3	Planned

Package Architecture (13 articles · ~220 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Dependency Resolution	dependency-resolution.md	Package Architecture	Package Management	High	Advanced	16 min	Primitives & Wrappers · JavaScript	Lockfiles & Determinism; Node Modules & Hoisting Models	4	Planned
Lockfiles & Determinism	lockfiles-and-determinism.md	Package Architecture	Package Management	High	Advanced	16 min	Dependency Resolution	Dependency Resolution; Node Modules & Hoisting Models	4	Planned
Node Modules & Hoisting Models	node-modules-and-hoisting-models.md	Package Architecture	Package Management	High	Advanced	19 min	Dependency Resolution	Dependency Resolution; Lockfiles & Determinism	4	Planned
Exports Map & Entry Points	exports-map-and-entry-points.md	Package Architecture	Package Design	High	Advanced	16 min	Dependency Resolution	Module Formats (ESM/CJS/UMD); Conditional & Dual Exports; Types Distribution	4	Planned
Module Formats (ESM/CJS/UMD)	module-formats-esm-cjs-umd.md	Package Architecture	Package Design	High	Advanced	19 min	Exports Map & Entry Points; Dependency Resolution	Exports Map & Entry Points; Conditional & Dual Exports; Types Distribution	4	Planned
Conditional & Dual Exports	conditional-and-dual-exports.md	Package Architecture	Package Design	High	Advanced	16 min	Exports Map & Entry Points; Dependency Resolution	Exports Map & Entry Points; Module Formats (ESM/CJS/UMD); Types Distribution	4	Planned
Types Distribution	types-distribution.md	Package Architecture	Package Design	High	Advanced	16 min	Exports Map & Entry Points; Dependency Resolution	Exports Map & Entry Points; Module Formats (ESM/CJS/UMD); Conditional & Dual Exports	4	Planned
Semantic Versioning	semantic-versioning.md	Package Architecture	Publishing	High	Advanced	16 min	Exports Map & Entry Points	Release Automation & Changelogs; Provenance & Signing	4	Planned
Release Automation & Changelogs	release-automation-and-changelogs.md	Package Architecture	Publishing	High	Advanced	19 min	Semantic Versioning; Exports Map & Entry Points	Semantic Versioning; Provenance & Signing	4	Planned
Provenance & Signing	provenance-and-signing.md	Package Architecture	Publishing	High	Advanced	16 min	Semantic Versioning; Exports Map & Entry Points	Semantic Versioning; Release Automation & Changelogs	4	Planned
Peer Dependencies	peer-dependencies.md	Package Architecture	Dependency Strategy	High	Advanced	16 min	Semantic Versioning	Bundling vs Externalizing; Dependency Hygiene & Updates	4	Planned
Bundling vs Externalizing	bundling-vs-externalizing.md	Package Architecture	Dependency Strategy	High	Advanced	16 min	Peer Dependencies; Semantic Versioning	Peer Dependencies; Dependency Hygiene & Updates	4	Planned
Dependency Hygiene & Updates	dependency-hygiene-and-updates.md	Package Architecture	Dependency Strategy	High	Advanced	19 min	Peer Dependencies; Semantic Versioning	Peer Dependencies; Bundling vs Externalizing	4	Planned

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07 · Platform Reach · Priority: Medium · 45 articles

Graphics & Immersive (14 articles · ~283 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
The 2D Canvas Model	the-2d-canvas-model.md	Graphics & Immersive	Canvas	Medium	Staff	20 min	Process & Thread Architecture · The Web Platform; Parsing & Bytecode · Runtime & Execution	OffscreenCanvas; Text & Path Rendering	1	Planned
OffscreenCanvas	offscreencanvas.md	Graphics & Immersive	Canvas	Medium	Staff	20 min	The 2D Canvas Model	The 2D Canvas Model; Text & Path Rendering	1	Planned
Text & Path Rendering	text-and-path-rendering.md	Graphics & Immersive	Canvas	Medium	Staff	20 min	The 2D Canvas Model	The 2D Canvas Model; OffscreenCanvas	1	Planned
SVG Rendering & Scripting	svg-rendering-and-scripting.md	Graphics & Immersive	Vector	Medium	Staff	20 min	The 2D Canvas Model	SVG Performance	1	Planned
SVG Performance	svg-performance.md	Graphics & Immersive	Vector	Medium	Staff	20 min	SVG Rendering & Scripting; The 2D Canvas Model	SVG Rendering & Scripting	1	Planned
WebGL Fundamentals	webgl-fundamentals.md	Graphics & Immersive	GPU	Medium	Staff	20 min	SVG Rendering & Scripting	WebGPU; Shaders & Pipelines	1	Planned
WebGPU	webgpu.md	Graphics & Immersive	GPU	Medium	Staff	20 min	WebGL Fundamentals; SVG Rendering & Scripting	WebGL Fundamentals; Shaders & Pipelines	1	Planned
Shaders & Pipelines	shaders-and-pipelines.md	Graphics & Immersive	GPU	Medium	Staff	20 min	WebGL Fundamentals; SVG Rendering & Scripting	WebGL Fundamentals; WebGPU	1	Planned
Data-Viz Rendering Models	data-viz-rendering-models.md	Graphics & Immersive	Visualization	Medium	Staff	20 min	WebGL Fundamentals	Coordinate Systems & Scales; Large-Dataset Rendering	1	Planned
Coordinate Systems & Scales	coordinate-systems-and-scales.md	Graphics & Immersive	Visualization	Medium	Staff	23 min	Data-Viz Rendering Models; WebGL Fundamentals	Data-Viz Rendering Models; Large-Dataset Rendering	1	Planned
Large-Dataset Rendering	large-dataset-rendering.md	Graphics & Immersive	Visualization	Medium	Staff	20 min	Data-Viz Rendering Models; WebGL Fundamentals	Data-Viz Rendering Models; Coordinate Systems & Scales	1	Planned
WebXR	webxr.md	Graphics & Immersive	Immersive	Medium	Staff	20 min	Data-Viz Rendering Models	Spatial Interaction; 3D Scene Models	1	Planned
Spatial Interaction	spatial-interaction.md	Graphics & Immersive	Immersive	Medium	Staff	20 min	WebXR; Data-Viz Rendering Models	WebXR; 3D Scene Models	1	Planned
3D Scene Models	3d-scene-models.md	Graphics & Immersive	Immersive	Medium	Staff	20 min	WebXR; Data-Viz Rendering Models	WebXR; Spatial Interaction	1	Planned

Internationalization & Localization (16 articles · ~265 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Locale Modeling & Negotiation	locale-modeling-and-negotiation.md	Internationalization & Localization	Locale	Medium	Advanced	19 min	Specificity · CSS & Visual Systems; Primitives & Wrappers · JavaScript	Language Detection	4	Planned
Language Detection	language-detection.md	Internationalization & Localization	Locale	Medium	Advanced	16 min	Locale Modeling & Negotiation	Locale Modeling & Negotiation	4	Planned
Number, Date & Currency Formatting	number-date-and-currency-formatting.md	Internationalization & Localization	Formatting	Medium	Advanced	19 min	Locale Modeling & Negotiation	The Intl API; Relative & Duration Formatting	4	Planned
The Intl API	the-intl-api.md	Internationalization & Localization	Formatting	Medium	Advanced	16 min	Number, Date & Currency Formatting; Locale Modeling & Negotiation	Number, Date & Currency Formatting; Relative & Duration Formatting	4	Planned
Relative & Duration Formatting	relative-and-duration-formatting.md	Internationalization & Localization	Formatting	Medium	Advanced	19 min	Number, Date & Currency Formatting; Locale Modeling & Negotiation	Number, Date & Currency Formatting; The Intl API	4	Planned
Message Catalogs	message-catalogs.md	Internationalization & Localization	Translation	Medium	Advanced	16 min	Number, Date & Currency Formatting	Translation Workflow & TMS; Interpolation & Rich Text	4	Planned
Translation Workflow & TMS	translation-workflow-and-tms.md	Internationalization & Localization	Translation	Medium	Advanced	16 min	Message Catalogs; Number, Date & Currency Formatting	Message Catalogs; Interpolation & Rich Text	4	Planned
Interpolation & Rich Text	interpolation-and-rich-text.md	Internationalization & Localization	Translation	Medium	Advanced	16 min	Message Catalogs; Number, Date & Currency Formatting	Message Catalogs; Translation Workflow & TMS	4	Planned
Pluralization	pluralization.md	Internationalization & Localization	Grammar	Medium	Advanced	16 min	Message Catalogs	Gender & Select; Collation & Sorting	4	Planned
Gender & Select	gender-and-select.md	Internationalization & Localization	Grammar	Medium	Advanced	16 min	Pluralization; Message Catalogs	Pluralization; Collation & Sorting	4	Planned
Collation & Sorting	collation-and-sorting.md	Internationalization & Localization	Grammar	Medium	Advanced	16 min	Pluralization; Message Catalogs	Pluralization; Gender & Select	4	Planned
Bidirectional Text (RTL)	bidirectional-text-rtl.md	Internationalization & Localization	Layout	Medium	Advanced	16 min	Pluralization	Logical Properties; Complex Scripts & Shaping	4	Planned
Logical Properties	logical-properties.md	Internationalization & Localization	Layout	Medium	Advanced	16 min	Bidirectional Text (RTL); Pluralization	Bidirectional Text (RTL); Complex Scripts & Shaping	4	Planned
Complex Scripts & Shaping	complex-scripts-and-shaping.md	Internationalization & Localization	Layout	Medium	Advanced	16 min	Bidirectional Text (RTL); Pluralization	Bidirectional Text (RTL); Logical Properties	4	Planned
Locale-Aware Routing	locale-aware-routing.md	Internationalization & Localization	Content	Medium	Advanced	16 min	Bidirectional Text (RTL)	Cultural Adaptation	4	Planned
Cultural Adaptation	cultural-adaptation.md	Internationalization & Localization	Content	Medium	Advanced	16 min	Locale-Aware Routing; Bidirectional Text (RTL)	Locale-Aware Routing	4	Planned

Progressive & Cross-Platform Web (15 articles · ~246 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
The Service Worker Lifecycle	the-service-worker-lifecycle.md	Progressive & Cross-Platform Web	Service Workers	Medium	Advanced	19 min	Web Storage · Browser APIs; HTTP/1.1 Semantics · Networking & Protocols; Core Web Vitals (LCP, INP, CLS) · Performance Engineering	Fetch Interception; Update & Activation Strategy	4	Planned
Fetch Interception	fetch-interception.md	Progressive & Cross-Platform Web	Service Workers	Medium	Advanced	16 min	The Service Worker Lifecycle	The Service Worker Lifecycle; Update & Activation Strategy	4	Planned
Update & Activation Strategy	update-and-activation-strategy.md	Progressive & Cross-Platform Web	Service Workers	Medium	Advanced	19 min	The Service Worker Lifecycle	The Service Worker Lifecycle; Fetch Interception	4	Planned
Runtime Caching Strategies	runtime-caching-strategies.md	Progressive & Cross-Platform Web	Offline	Medium	Advanced	16 min	The Service Worker Lifecycle	Precaching & Offline Shell; Background Sync; Cache Versioning & Cleanup	4	Planned
Precaching & Offline Shell	precaching-and-offline-shell.md	Progressive & Cross-Platform Web	Offline	Medium	Advanced	16 min	Runtime Caching Strategies; The Service Worker Lifecycle	Runtime Caching Strategies; Background Sync; Cache Versioning & Cleanup	4	Planned
Background Sync	background-sync.md	Progressive & Cross-Platform Web	Offline	Medium	Advanced	16 min	Runtime Caching Strategies; The Service Worker Lifecycle	Runtime Caching Strategies; Precaching & Offline Shell; Cache Versioning & Cleanup	4	Planned
Cache Versioning & Cleanup	cache-versioning-and-cleanup.md	Progressive & Cross-Platform Web	Offline	Medium	Advanced	16 min	Runtime Caching Strategies; The Service Worker Lifecycle	Runtime Caching Strategies; Precaching & Offline Shell; Background Sync	4	Planned
Web App Manifest	web-app-manifest.md	Progressive & Cross-Platform Web	Installability	Medium	Advanced	16 min	Runtime Caching Strategies	Install Prompts & Criteria; Standalone & Display Modes	4	Planned
Install Prompts & Criteria	install-prompts-and-criteria.md	Progressive & Cross-Platform Web	Installability	Medium	Advanced	16 min	Web App Manifest; Runtime Caching Strategies	Web App Manifest; Standalone & Display Modes	4	Planned
Standalone & Display Modes	standalone-and-display-modes.md	Progressive & Cross-Platform Web	Installability	Medium	Advanced	16 min	Web App Manifest; Runtime Caching Strategies	Web App Manifest; Install Prompts & Criteria	4	Planned
Push Notifications	push-notifications.md	Progressive & Cross-Platform Web	Engagement	Medium	Advanced	16 min	Web App Manifest	Badging & Periodic Sync	4	Planned
Badging & Periodic Sync	badging-and-periodic-sync.md	Progressive & Cross-Platform Web	Engagement	Medium	Advanced	16 min	Push Notifications; Web App Manifest	Push Notifications	4	Planned
Web Views & Hybrid Apps	web-views-and-hybrid-apps.md	Progressive & Cross-Platform Web	Native Boundaries	Medium	Advanced	16 min	Push Notifications	Wrapper Models (Capacitor); Web-to-Native Bridges	4	Planned
Wrapper Models (Capacitor)	wrapper-models-capacitor.md	Progressive & Cross-Platform Web	Native Boundaries	Medium	Advanced	16 min	Web Views & Hybrid Apps; Push Notifications	Web Views & Hybrid Apps; Web-to-Native Bridges	4	Planned
Web-to-Native Bridges	web-to-native-bridges.md	Progressive & Cross-Platform Web	Native Boundaries	Medium	Advanced	16 min	Web Views & Hybrid Apps; Push Notifications	Web Views & Hybrid Apps; Wrapper Models (Capacitor)	4	Planned

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08 · Craft & Leadership · Priority: High · 37 articles

Engineering Practices (20 articles · ~335 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Naming	naming.md	Engineering Practices	Readable Code	High	Advanced	16 min	Separation of Concerns · Frontend Architecture; The Testing Pyramid/Trophy · Testing & Quality	Function & Module Size; Comments & Intent	1	Planned
Function & Module Size	function-and-module-size.md	Engineering Practices	Readable Code	High	Advanced	16 min	Naming	Naming; Comments & Intent	1	Planned
Comments & Intent	comments-and-intent.md	Engineering Practices	Readable Code	High	Advanced	16 min	Naming	Naming; Function & Module Size	1	Planned
Refactoring	refactoring.md	Engineering Practices	Change & Debt	High	Advanced	16 min	Naming	Managing Technical Debt; Legacy Code Strategy	1	Planned
Managing Technical Debt	managing-technical-debt.md	Engineering Practices	Change & Debt	High	Advanced	16 min	Refactoring; Naming	Refactoring; Legacy Code Strategy	1	Planned
Legacy Code Strategy	legacy-code-strategy.md	Engineering Practices	Change & Debt	High	Advanced	16 min	Refactoring; Naming	Refactoring; Managing Technical Debt	1	Planned
Abstraction & Leaky Abstractions	abstraction-and-leaky-abstractions.md	Engineering Practices	Design Principles	High	Advanced	19 min	Refactoring	Coupling & Cohesion; SOLID for Frontend; YAGNI & Simplicity	1	Planned
Coupling & Cohesion	coupling-and-cohesion.md	Engineering Practices	Design Principles	High	Advanced	16 min	Abstraction & Leaky Abstractions; Refactoring	Abstraction & Leaky Abstractions; SOLID for Frontend; YAGNI & Simplicity	1	Planned
SOLID for Frontend	solid-for-frontend.md	Engineering Practices	Design Principles	High	Advanced	16 min	Abstraction & Leaky Abstractions; Refactoring	Abstraction & Leaky Abstractions; Coupling & Cohesion; YAGNI & Simplicity	1	Planned
YAGNI & Simplicity	yagni-and-simplicity.md	Engineering Practices	Design Principles	High	Advanced	16 min	Abstraction & Leaky Abstractions; Refactoring	Abstraction & Leaky Abstractions; Coupling & Cohesion; SOLID for Frontend	1	Planned
Code Review as a Discipline	code-review-as-a-discipline.md	Engineering Practices	Review	High	Advanced	19 min	Abstraction & Leaky Abstractions	Giving & Receiving Feedback	1	Planned
Giving & Receiving Feedback	giving-and-receiving-feedback.md	Engineering Practices	Review	High	Advanced	19 min	Code Review as a Discipline; Abstraction & Leaky Abstractions	Code Review as a Discipline	1	Planned
Error-Handling Philosophy	error-handling-philosophy.md	Engineering Practices	Robustness	High	Advanced	16 min	Code Review as a Discipline	Defensive vs Offensive Programming; Graceful Degradation	1	Planned
Defensive vs Offensive Programming	defensive-vs-offensive-programming.md	Engineering Practices	Robustness	High	Advanced	19 min	Error-Handling Philosophy; Code Review as a Discipline	Error-Handling Philosophy; Graceful Degradation	1	Planned
Graceful Degradation	graceful-degradation.md	Engineering Practices	Robustness	High	Advanced	16 min	Error-Handling Philosophy; Code Review as a Discipline	Error-Handling Philosophy; Defensive vs Offensive Programming	1	Planned
Documentation Practices	documentation-practices.md	Engineering Practices	Knowledge	High	Advanced	16 min	Error-Handling Philosophy	Knowledge Sharing & Bus Factor	1	Planned
Knowledge Sharing & Bus Factor	knowledge-sharing-and-bus-factor.md	Engineering Practices	Knowledge	High	Advanced	19 min	Documentation Practices; Error-Handling Philosophy	Documentation Practices	1	Planned
API & Interface Stability	api-and-interface-stability.md	Engineering Practices	Interfaces	High	Advanced	16 min	Documentation Practices	Backward Compatibility; Deprecation Strategy	1	Planned
Backward Compatibility	backward-compatibility.md	Engineering Practices	Interfaces	High	Advanced	16 min	API & Interface Stability; Documentation Practices	API & Interface Stability; Deprecation Strategy	1	Planned
Deprecation Strategy	deprecation-strategy.md	Engineering Practices	Interfaces	High	Advanced	16 min	API & Interface Stability; Documentation Practices	API & Interface Stability; Backward Compatibility	1	Planned

Systems Thinking & Leadership (17 articles · ~364 min)

Title	Slug	Category	Subcategory	Priority	Difficulty	Est. Reading Time	Prerequisites	Related Articles	Expected Code Examples	Status
Trade-off Analysis	trade-off-analysis.md	Systems Thinking & Leadership	Decisions	High	Staff	20 min	Separation of Concerns · Frontend Architecture; Naming · Engineering Practices	Decision-Making Under Uncertainty; Build vs Buy	1	Planned
Decision-Making Under Uncertainty	decision-making-under-uncertainty.md	Systems Thinking & Leadership	Decisions	High	Staff	23 min	Trade-off Analysis	Trade-off Analysis; Build vs Buy	1	Planned
Build vs Buy	build-vs-buy.md	Systems Thinking & Leadership	Decisions	High	Staff	20 min	Trade-off Analysis	Trade-off Analysis; Decision-Making Under Uncertainty	1	Planned
Technical Design & RFCs	technical-design-and-rfcs.md	Systems Thinking & Leadership	Technical Direction	High	Staff	20 min	Trade-off Analysis	Setting Standards & Guardrails; Driving Consistency at Scale	1	Planned
Setting Standards & Guardrails	setting-standards-and-guardrails.md	Systems Thinking & Leadership	Technical Direction	High	Staff	23 min	Technical Design & RFCs; Trade-off Analysis	Technical Design & RFCs; Driving Consistency at Scale	1	Planned
Driving Consistency at Scale	driving-consistency-at-scale.md	Systems Thinking & Leadership	Technical Direction	High	Staff	23 min	Technical Design & RFCs; Trade-off Analysis	Technical Design & RFCs; Setting Standards & Guardrails	1	Planned
Estimation	estimation.md	Systems Thinking & Leadership	Planning	High	Staff	20 min	Technical Design & RFCs	Scoping & Slicing Work; Risk Management	1	Planned
Scoping & Slicing Work	scoping-and-slicing-work.md	Systems Thinking & Leadership	Planning	High	Staff	20 min	Estimation; Technical Design & RFCs	Estimation; Risk Management	1	Planned
Risk Management	risk-management.md	Systems Thinking & Leadership	Planning	High	Staff	20 min	Estimation; Technical Design & RFCs	Estimation; Scoping & Slicing Work	1	Planned
Cross-Functional Partnership	cross-functional-partnership.md	Systems Thinking & Leadership	Collaboration	High	Staff	23 min	Estimation	Influence Without Authority; Communicating Technical Concepts	1	Planned
Influence Without Authority	influence-without-authority.md	Systems Thinking & Leadership	Collaboration	High	Staff	23 min	Cross-Functional Partnership; Estimation	Cross-Functional Partnership; Communicating Technical Concepts	1	Planned
Communicating Technical Concepts	communicating-technical-concepts.md	Systems Thinking & Leadership	Collaboration	High	Staff	23 min	Cross-Functional Partnership; Estimation	Cross-Functional Partnership; Influence Without Authority	1	Planned
Mentorship	mentorship.md	Systems Thinking & Leadership	Growth	High	Staff	20 min	Cross-Functional Partnership	Technical Leadership Styles	1	Planned
Technical Leadership Styles	technical-leadership-styles.md	Systems Thinking & Leadership	Growth	High	Staff	23 min	Mentorship; Cross-Functional Partnership	Mentorship	1	Planned
Evaluating Technology	evaluating-technology.md	Systems Thinking & Leadership	Technology Strategy	High	Staff	20 min	Mentorship	Adoption & Migration Strategy; Innovation vs Stability	1	Planned
Adoption & Migration Strategy	adoption-and-migration-strategy.md	Systems Thinking & Leadership	Technology Strategy	High	Staff	23 min	Evaluating Technology; Mentorship	Evaluating Technology; Innovation vs Stability	1	Planned
Innovation vs Stability	innovation-vs-stability.md	Systems Thinking & Leadership	Technology Strategy	High	Staff	20 min	Evaluating Technology; Mentorship	Evaluating Technology; Adoption & Migration Strategy	1	Planned

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