A solid reference for the full performance optimization stack, from the basics (lazy loading, compression) to 2025 patterns like View Transitions and Speculation Rules. It's organized by time investment with ROI ratings, so you can grab quick wins in an hour or go deep on Core Web Vitals when Lighthouse scores matter for SEO. The framework-specific section covers Next.js, React, Vue, and others. What's useful here is the pragmatism: it leads with measurement first, includes real conversion data (Pinterest's 40% speed improvement drove 15% more signups), and calls out red flags like optimizing without baselines. Good for both emergency fixes and systematic performance work.
npx skills add https://github.com/bobmatnyc/claude-mpm-skills --skill web-performance-optimization