In memory of Saber Rastikerdar — creator of · Vazirmatn, the open typeface he gave the Persian web and asked nothing for.
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Performance Engineering

The canonical home for performance; domain-specific notes cross-link here.

Part: 05 · Reliability & Quality · Priority: Critical

Published articles

Taxonomy

Second-level groups and their articles. Each article is a standalone entry following the template; its filename is the kebab-case form of the title.

Metrics

  • Core Web Vitals (LCP, INP, CLS)
  • Perceived vs Actual Performance
  • Custom Performance Metrics
  • Lab vs Field Measurement

Loading Performance

  • The Critical Rendering Path
  • Code Splitting
  • Resource Prefetch & Preload
  • Critical CSS & Above-the-Fold
  • Font & Asset Loading Strategy

Asset Optimization

  • Image Optimization
  • Media & Video Optimization
  • Bundle Size Optimization
  • Asset Minification & Compression

Runtime Performance

  • Rendering Cost & Re-renders
  • Long Tasks & Main-Thread Work
  • Debounce, Throttle & Scheduling
  • Offloading to Workers

Memory Performance

  • Memory Profiling in Practice
  • Long-Session Memory Growth

Performance Culture

  • Performance Budgets
  • Regression Prevention & CI Gates
  • Caching for Performance (cross-layer)

Index only. One canonical home per concept — overlapping ideas are owned here and cross-linked from other domains, never duplicated.

Peer-reviewed engineering decisions · MIT licensed