Performance Optimization in React Applications

Introduction to React Performance

Performance optimization is crucial for delivering excellent user experiences in React applications. This guide covers the most effective techniques to improve your app's performance.

React.memo and Memoization

React.memo is a higher-order component that memoizes the result of a component. It only re-renders if its props have changed.

useMemo and useCallback Hooks

These hooks help optimize expensive calculations and prevent unnecessary re-renders by memoizing values and functions.

Code Splitting and Lazy Loading

Implement code splitting using React.lazy() and Suspense to load components only when needed, reducing initial bundle size.