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react-native-best-practices - React Native Performance Optimization Guide

Provides React Native performance optimization guidelines covering FPS, TTI, bundle size, memory, re-renders, and animations

Tags

Updated: 2026-03-22
react-nativeexpoperformanceoptimizationprofiling

Capabilities

analyze bundle sizemeasure FPSmeasure TTIprofile React components

Typical Inputs

React Native applicationReact Native DevToolsXcode Instruments

Typical Outputs

bundle analysis reportFPS measurementsTTI measurements

What this skill does

  • analyze bundle size
  • measure FPS
  • measure TTI
  • profile React components
  • profile native code
  • detect memory leaks
  • optimize lists
  • optimize animations
  • optimize native modules
  • configure code splitting

Inputs

  • React Native application
  • React Native DevTools
  • Xcode Instruments
  • Android Studio CPU Profiler
  • JS bundle
  • app bundle

Outputs

  • bundle analysis report
  • FPS measurements
  • TTI measurements
  • memory usage data
  • profile data
  • optimized bundle

Requirements

  • React Native
  • React Native DevTools
  • Xcode
  • Android Studio

Source

  • Spec: SKILL.md

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