performance-audit

Installation
SKILL.md

Performance Audit Framework

Initial Assessment Questions

  1. What's slow? - Page load, API response, build time, runtime
  2. How slow? - Quantify: 3s vs 30s matters
  3. Baseline? - What's acceptable performance?
  4. When? - Always slow, or under certain conditions?
  5. Where? - Client, server, network, database?

Measurement First

NEVER optimize without measuring. Identify bottlenecks before fixing.

Web Performance Metrics

  • LCP (Largest Contentful Paint) - Main content visible
  • FID (First Input Delay) - Interactivity
  • CLS (Cumulative Layout Shift) - Visual stability
  • TTFB (Time to First Byte) - Server response
Related skills
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Feb 19, 2026