About
Provides domain-specific guidance for improving application responsiveness and user experience by minimizing load times and reducing time-to-interactive. It offers structured frameworks for monitoring Core Web Vitals, establishing performance budgets, and implementing technical optimizations like route-based code splitting, modern image formatting, and service worker caching strategies. Use this skill to diagnose performance bottlenecks and apply data-driven improvements across the entire web stack to ensure smooth interactions across all devices and network conditions.