react-performance - Optimize React and Next.js performance
Provides 70+ React and Next.js performance optimization rules across eight priority categories for writing, reviewing, and refactoring code.
Tags
Updated: 2026-10-04Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Identify performance bottlenecks
- Remove request waterfalls
- Reduce bundle size
- Optimize server performance
- Improve client data fetching
- Prevent unnecessary re-renders
- Optimize rendering performance
- Optimize JavaScript hot paths
- Apply advanced performance patterns
Inputs
- React or Next.js source code
- Performance symptoms or metrics
- Code review changes
- Project configuration
- Data-layer implementation
Outputs
- Performance optimization recommendations
- Code review findings
- Refactoring guidance
Requirements
- React 18/19 or Next.js codebase