react-native-best-practices - React Native Performance Optimization Guide
Provides React Native performance optimization guidelines for FPS, TTI, bundle size, memory, and animations
Tags
Updated: 2026-03-22Capabilities
Typical Inputs
Typical Outputs
What this skill does
- profile React Native
- measure FPS
- analyze bundle
- measure TTI
- profile native code
- optimize re-renders
- debug memory leaks
- configure Hermes
- configure Turbo Modules
- analyze app size
Inputs
- React Native application
- bundle output
- source code
- React Native DevTools
- Xcode Instruments
- Android Studio CPU Profiler
- Metro bundler
- sourcemap file
Outputs
- performance metrics
- bundle analysis report
- memory leak reports
- frame rate data
- TTI measurement results
- profiling data
- app size analysis
Requirements
- React Native application
- React Native development environment
- Metro bundler
- React Native DevTools
- iOS (Xcode) or Android (Android Studio) development tools