Strategies and techniques for optimizing web application performance and user experience.
| First Contentful Paint (FCP) | < 1.8s | Chrome DevTools | | Largest Contentful Paint (LCP) | < 2.5s | Lighthouse | | Time to Interactive (TTI) | < 3.8s | WebPageTest | | Total Blocking Time (TBT) | < 150ms | Lighthouse |
Web and frontend performance optimization. Use when user asks to "optimize performance", "improve loading time", "lazy loading", "code splitting", "bundle size", "Core Web Vitals", "image optimization", "CSS/JS minification", "caching strategies", "performance profiling", or mentions web performance and user experience metrics. Source: 1mangesh1/dev-skills-collection.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/1mangesh1/dev-skills-collection --skill web-performance Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw