React Performance Optimization: Bundle Optimization

Implement Code Splitting

Refactor a React app to lazy load at least two components using React.lazy and Suspense.

Expected output: App loads faster initially and components load on demand.

Hint: Use dynamic import() syntax and wrap components with React.lazy.

Analyze Bundle Size

Use webpack-bundle-analyzer to inspect your React app's bundle and identify large dependencies.

Expected output: A visual report showing bundle composition and size.

Hint: Run the analyzer after building your app in production mode.

Code splitting is breaking the app into smaller bundles loaded on demand. It improves performance by reducing initial load size.

Tree shaking removes unused code by analyzing ES6 import/export statements during bundling, reducing bundle size.

React.lazy enables lazy loading of components, deferring their loading until they are rendered, which reduces initial bundle size.