Performance is critical for user experience. Learn practical techniques to optimize React applications for production environments.

Re-render Optimization

Understanding React rendering behavior, using React.memo, useMemo, and useCallback to prevent unnecessary re-renders and improve component performance.

Code Splitting

Implement route-based and component-based code splitting with React.lazy and Suspense to reduce initial bundle size and improve load times.

Bundle Optimization

Analyze bundle size with webpack-bundle-analyzer, tree shaking, dynamic imports, and CDN optimization for third-party libraries.

Real-World Metrics

Measuring performance with Lighthouse, Core Web Vitals, and implementing performance budgets in your CI/CD pipeline.