# React Render Performance Checklist
AI-readable version of this post.
Path: /frontend/react-render-performance-checklist
Category: Frontend
Date: 2024-04-03
Author: React Notes
Reading time: 1 min
Description: Find and fix unnecessary renders in real screens.
## Measure first

Use React Profiler to find expensive commit paths.

## Stabilize references

Memoize callbacks and derived values when they trigger broad re-renders.

## Reduce tree churn

Move heavy components lower in the tree and avoid top-level state fan-out.