Agent skill · software engineering · aj-geddes
web-performance-optimization
Optimize web application performance using code splitting, lazy loading, caching, compression, and monitoring. Use when improving Core Web Vitals and user experience.
Why this skill is useful
Provides specific code examples and strategies for optimizing 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 Optimization Table of Contents Overview When to Use Quick Start Reference Guides Best Practices Overview Implement performance optimization strategies including lazy loading, code splitting, caching, compression, and monitoring to improve Core Web Vitals and user experience. When to Use Slow page load times High Largest Contentful Paint (LCP) Large bundle sizes Frequent Cumulative Layout Shift (CLS) Mobile performance issues Quick Start Minimal working example: Reference Guides Detailed implementations in the references/ directory: Guide Contents --- --- Code Splitting and Lazy Loading (React) Code Splitting and Lazy Loading (React) Image Optimization Image Optimization HTTP Caching and Service Workers HTTP Caching and Service Workers Gzip Compression and Asset Optimization Gzip Compression and Asset Optimization Performance Monitoring Performance Monitoring Best Practices ✅ DO Follow established patterns and conventions Write clean, maintainable code Add appropriate documentation Test thoroughly before deploying ❌ DON'T Skip testing or validation Ignore error handling Hard-code configuration values
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aj-geddes/web-performance-optimization