Lazy Loading in React: Improve Performance with React.lazy() and Suspense

📰 Dev.to · Madhuban Khatri

Improve React app performance with lazy loading using React.lazy() and Suspense

intermediate Published 16 Jun 2026
Action Steps
  1. Import React.lazy() and Suspense from the React library
  2. Use React.lazy() to wrap a dynamically imported component
  3. Wrap the lazy-loaded component with Suspense to handle loading states
  4. Configure a fallback UI to display while the component is loading
  5. Test the lazy loading functionality to ensure it improves performance
Who Needs to Know This

Frontend developers and engineers can benefit from this technique to optimize their React applications' performance, especially when dealing with large and complex components.

Key Insight

💡 React.lazy() and Suspense can significantly improve the performance of React applications by deferring the loading of non-essential components until they are needed.

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🚀 Boost your React app's performance with lazy loading using React.lazy() and Suspense! 💡

Key Takeaways

Improve React app performance with lazy loading using React.lazy() and Suspense

Full Article

Introduction When a React application is running, its partial load time increases due to...
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