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Boost Your React App Performance with Lazy Loading

  • Lazy loading in React delays loading components, images, or routes until needed.
  • Benefits of lazy loading include faster initial page loads, reduced bandwidth usage, improved user experience, and scalable architecture.
  • Implement lazy loading in React using React.lazy() + Suspense at the component level.
  • Route-based loading in React Router allows lazy loading of routes.
  • Lazy loading images and components is possible with libraries like react-lazyload.
  • Dynamic imports can be used with buttons or interactions to load components lazily.
  • Best practices for lazy loading include loading only non-critical code, pairing with fallback UI, preloading components, handling errors with Error Boundaries, and testing on real devices.
  • Successful lazy loading can reduce initial payloads, enhance perceived responsiveness, and maintain app scalability, but improper implementation may introduce complexity.
  • Consider adding lazy-loaded routes or images to your React project for improved loading times.

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