react - React 19 performance optimization guide and best practices
Provides performance optimization rules for React 19 applications, covering concurrent rendering, Server Components, actions, hooks, and memoization.
Tags
Updated: 2026-09-23Capabilities
Typical Inputs
What this skill does
- Optimize React 19 application performance
- Configure concurrent rendering features
- Implement Server Components boundaries
- Manage form actions and state
- Optimize data fetching with hooks
- Configure automatic memoization
Inputs
- React component code
- React project codebase
Outputs
- Optimized React 19 code
- Performance optimization recommendations
Requirements
- React 19 or 19.2
- React Compiler v1.0+
