Skill UI

Learn performance profiling principles: measurement, analysis, and optimization. Covers Core Web Vitals, profiling workflows, bundle analysis, runtime profiling, common bottlenecks, quick wins, and anti-patterns. Includes a Lighthouse audit script for automated checks.

This skill covers core SEO principles like E-E-A-T, Core Web Vitals, and technical foundations. It explains how search engines evaluate content quality, page experience, and trustworthiness. It guides users on creating sustainable search visibility through high-quality content, proper technical setup, and ethical AI usage, rather than relying on shortcuts.

Optimize website loading speed and Core Web Vitals like LCP, FID, and CLS. Reduce JavaScript bundle size through code splitting and lazy loading. Improve caching strategies and image delivery for faster runtime performance and better user experience.