🚀 React & Next.js Optimization Demo
Interactive demonstrations of performance optimization techniques
🔄 Side-by-Side Comparison(Recommended)
Compare unoptimized vs optimized components in real-time with FPS monitor
Choose a Demo Version:
📚 Topics Covered:
🧠
useMemo & useCallback
Memoize expensive calculations and callbacks
📝
React.memo
Prevent unnecessary child re-renders
📜
List Virtualization
Render only visible items with react-window
⏱️
Debouncing
Reduce frequent operations like search
🎯
Context Optimization
Split contexts to prevent cascading re-renders
⚡
Concurrent Features
useTransition & useDeferredValue
🖼️
Image Optimization
next/image with lazy loading & blur placeholder
🔑
Proper Keys
Stable keys to prevent state loss
💡 Pro Tips:
- Open browser DevTools Console (F12) to see render logs
- Install React DevTools extension to profile component renders
- Use the Side-by-Side Comparison page for the best demo experience
- Watch the FPS monitor in the top-right corner during interactions