React.lazy + chunk errors: how to recover users stuck after a deploy

📰 Dev.to · Dk Usa

Learn how to recover users stuck after a deploy due to React.lazy + chunk errors

intermediate Published 24 May 2026
Action Steps
  1. Identify the issue by checking browser console logs for chunk loading errors
  2. Use React.lazy with a fallback component to display a loading indicator
  3. Implement a retry mechanism for chunk loading using a library like react-retry
  4. Configure your Webpack setup to handle chunk loading errors
  5. Test your application with a simulated slow network to ensure recovery works as expected
Who Needs to Know This

Frontend developers and engineers benefit from this knowledge to ensure a smooth user experience after deploying new bundles

Key Insight

💡 Use React.lazy with a fallback component and implement a retry mechanism to handle chunk loading errors

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💡 Recover users stuck after a deploy due to React.lazy + chunk errors! #React #WebPerformance

Key Takeaways

Learn how to recover users stuck after a deploy due to React.lazy + chunk errors

Full Article

Classic React production bug: you deploy a new bundle, user has the old HTML cached in their tab,...
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