# React Performance

> Component optimization

- Skill: `majiayu000/react-performance-3` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/react-performance-3`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/react-performance-3/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/majiayu000/react-performance-3

---


# React Performance Skill

## Memoization

- React.memo for components
- useMemo for calculations
- useCallback for handlers

## Code Splitting

- React.lazy for heavy components
- Suspense for loading states

## Checklist

- [ ] Memoized expensive components
- [ ] No inline functions
- [ ] Lazy loaded when appropriate