React Performance Optimization Techniques

Performance is critical for modern web applications. Let's explore key techniques to optimize your React applications.

Memoization

Use React.memo to prevent unnecessary re-renders:

const MyComponent = React.memo(({ data }) => {
    return <div>{data.name}</div>;
});

Code Splitting

Use dynamic imports to reduce bundle size:

const HeavyComponent = lazy(() => import('./HeavyComponent'));

Virtualization

For long lists, use virtualization libraries to render only visible items.

Measuring Performance

Use React DevTools Profiler to identify performance bottlenecks.

Best Practices

• Profile before optimizing
• Avoid inline objects in render
• Use useMemo and useCallback wisely
• Minimize bundle size

Conclusion

Performance optimization is an ongoing process. Always measure, identify bottlenecks, and apply targeted optimizations.