Optimizing Front-End Performance: Lazy Loading & Code Splitting
Performance is one of the most critical aspects of a great user experience. As front-end applications grow in complexity, optimizing how and when resources are loaded becomes essential. Today, let’s talk about Lazy Loading and Code Splitting —two powerful techniques to enhance your app's speed and responsiveness. Lazy Loading: Load on Demand Lazy loading is the strategy of loading assets only when needed , instead of during the initial page load. Benefits: Reduces initial bundle size Speeds up page load time Improves Core Web Vitals (especially Largest Contentful Paint) How it works in React: const LazyComponent = React.lazy(() => import('./MyComponent')); <Suspense fallback={<div>Loading...</div>}> <LazyComponent /> </Suspense> Use lazy loading for: Images below the fold Routes/components not visible initially Large third-party libraries Code Splitting: Break Your Bundle Instead of shipping o...