React Best Practices

Comprehensive guide for React applications covering performance optimization and testing best practices. Contains 57 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

When to Apply

Reference these guidelines when:

• Writing new React components
• Implementing data fetching
• Reviewing code for performance issues
• Refactoring existing React code
• Optimizing bundle size or load times
• Writing or reviewing tests
• Setting up test infrastructure

Rule Categories by Priority