react-best-practices - React and Next.js Performance Optimization Guide
Performance optimization guidelines for React and Next.js applications with 45 rules across 8 categories
Tags
Updated: 2026-03-20Capabilities
Typical Inputs
Typical Outputs
What this skill does
- write React components
- write Next.js pages
- implement data fetching
- review code
- refactor code
- optimize bundle size
- reduce load times
Inputs
- React code
- Next.js code
- code repository
- performance requirements
Outputs
- optimized code
- refactored code
- performance recommendations
Requirements
- React environment
- Next.js environment