Agent skill · data analytics · aj-geddes
web-performance-audit
Conduct comprehensive web performance audits. Measure page speed, identify bottlenecks, and recommend optimizations to improve user experience and SEO.
Why this skill is useful
Provides specific metrics and optimization strategies for web performance that the AI wouldn't reliably generate on its own.
What it needs
About 1k tokens when loaded. Last updated 2026-03-04. 307 stars on the source repository.
What this skill does
Web Performance Audit Table of Contents Overview When to Use Quick Start Reference Guides Best Practices Overview Web performance audits measure load times, identify bottlenecks, and guide optimization efforts to create faster, better user experiences. When to Use Regular performance monitoring After major changes User complaints about slowness SEO optimization Mobile optimization Performance baseline setting Quick Start Minimal working example: Reference Guides Detailed implementations in the references/ directory: Guide Contents --- --- Performance Metrics Performance Metrics Performance Analysis Process Performance Analysis Process Optimization Strategies Optimization Strategies Monitoring & Continuous Improvement Monitoring & Continuous Improvement Best Practices ✅ DO Measure regularly (not just once) Use field data (real users) + lab data Focus on Core Web Vitals Set realistic targets Prioritize by impact Monitor continuously Setup performance budgets Test on slow networks Include mobile in testing Document improvements ❌ DON'T Ignore field data Focus on one metric only Set impossible targets Optimize without measurement Forget about images Ignore JavaScript costs Skip mobile performance Over-optimize prematurely Forget about monitoring Expect improvements without effort
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aj-geddes/web-performance-audit