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Found 10 Skills
Reduce JavaScript and CSS bundle sizes through code splitting, tree shaking, and optimization techniques. Improve load times and overall application performance.
React performance optimization guidelines. Use when writing, reviewing, or refactoring React components to ensure optimal rendering and bundle patterns. Triggers on tasks involving React components, hooks, memoization, or bundle optimization.
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance pat...
Framer Motion performance optimization guidelines. This skill should be used when writing, reviewing, or refactoring React animations with Framer Motion to ensure optimal performance patterns. Triggers on tasks involving motion components, animations, gestures, layout transitions, scroll-linked effects, and SVG animations.
Optimize website and web application performance including loading speed, Core Web Vitals, bundle size, caching strategies, and runtime performance
Comprehensive React and Next.js performance optimization guide with 40+ rules for eliminating waterfalls, optimizing bundles, and improving rendering. Use when optimizing React apps, reviewing performance, or refactoring components.
Analyze and reduce the bundle size of rspeedy/Lynx (ReactLynx) apps — the size / `.lynx.bundle` lever (not runtime perf, types, or CI). Use when the user wants to optimize 包体积 / bundle size, find what is making a rspeedy bundle large, decide which size lever to pull, or shrink `main-thread.js` by stripping background-only code (jsb / telemetry / request / monitor SDKs) out of the render path via `__BACKGROUND__` / `'background only'` gating. Covers media, JS-background, and main-thread layers, plus mangle/eval-poisoning bloat, i18n-locale duplication, duplicate-package dedup, extractStr/compile knobs, and lazy/dynamic-component splitting (first-screen vs total size). Measure-first and evidence-based — produces a prioritized report; changes code only when asked.
React and Next.js performance optimization patterns adapted from Vercel Engineering's React Best Practices (https://github.com/vercel-labs/agent-skills). Organizes 70+ rules across 8 priority categories — waterfalls, bundle size, server-side, client fetching, re-render, rendering, JS micro-perf, advanced. Use when writing, reviewing, or refactoring React/Next.js code for performance.
Audit and optimize application performance, including bundle size, rendering, database queries, and Core Web Vitals.
React performance optimization guidelines. Use when writing, reviewing, or refactoring React components, hooks, effects, data fetching, or bundle optimization. Includes useEffect best practices — when NOT to use effects and better alternatives. Triggers: "when writing React code", "reviewing a React PR", "why is this component re-rendering", "reviewing code for performance issues", "optimizing bundle size".