React Performance Optimization

Learn how to build fast React applications.

Key Techniques

• Use React.memo for component optimization
• Implement useMemo for expensive computations
• Use useCallback for stable function references
• Code split with dynamic imports
• Optimize images with next/image

Example: React.memo

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const Card = React.memo(({ data }) => {
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  return <div>{data.title}</div>
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})

Bundle Optimization

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npm run build

Always measure and optimize based on real bottlenecks!