performance-tools

Multi-layer caching strategies across CDN, browser, server, and database. PROACTIVELY activate for: (1) HTTP caching headers, (2) CDN configuration, (3) Server-side caching with Redis, (4) Cache invalidation strategies, (5) ETag implementation. Triggers: "caching", "cache strategy", "CDN", "browser cache", "server cache", "redis", "cache invalidation", "ETag", "Cache-Control"

Browser runtime profiling with Chrome DevTools and Core Web Vitals optimization. PROACTIVELY activate for: (1) Using Chrome Performance panel, (2) Analyzing flame charts, (3) Diagnosing long tasks, (4) Core Web Vitals optimization, (5) Memory profiling. Triggers: "devtools", "performance panel", "lighthouse", "flame graph", "jank", "long task", "fps", "layout thrashing", "core web vitals"

Bundle analysis and optimization strategies for Next.js applications using Webpack and Turbopack. PROACTIVELY activate for: (1) Analyzing bundle size, (2) Implementing code splitting, (3) Configuring tree shaking, (4) Dynamic imports, (5) Webpack/Turbopack configuration. Triggers: "bundle size", "webpack", "turbopack", "code splitting", "tree shaking", "lazy loading", "bundle analyzer", "dynamic import"

Performance optimization patterns for Next.js 14+ React Server Components. PROACTIVELY activate for: (1) Optimizing RSC data fetching, (2) Implementing streaming with Suspense, (3) Configuring caching and revalidation, (4) Parallel data fetching, (5) Partial Prerendering. Triggers: "rsc", "server component", "nextjs performance", "data fetching", "caching", "revalidate", "suspense", "streaming", "partial prerendering"

Advanced Python profiling with cProfile, py-spy, and optimization techniques including Python 3.13 features. PROACTIVELY activate for: (1) CPU profiling with cProfile, (2) Flame graph generation with py-spy, (3) Memory optimization, (4) Async performance patterns, (5) Python 3.13 JIT and free-threaded mode. Triggers: "python performance", "cProfile", "py-spy", "flame graph", "memory optimization", "async performance", "JIT", "GIL"