How do I fix: Method 2: Providing a Fallback Render Function for SSR?

Step 1: Create a fallback render function that returns the initial UI.

Software⏱️ 2 min read📅 2026-05-30

How to Fix: React 18: Hydration failed because the initial UI does not match what was rendered on the server

Q: How do I fix: 🚀 How to Resolve This IssueMethod 1: Rendering the Initial UI on the Client-Side?

Step 1: Use the useEffect hook to conditionally render the initial UI only if it exists in the server-rendered HTML.

Learn how to fix: React 18: Hydration failed because the initial UI does not match what was rendered on the server.

Quick Answer: Try checking your system settings or restarting.

📋 Table of Contents

🚀 How to Resolve This Issue
💡 Conclusion

Hydration failed because the initial UI does not match what was rendered on the server. This is a common issue in React applications that use Server-Side Rendering (SSR).

🚀 How to Resolve This Issue

Method 1: Rendering the Initial UI on the Client-Side

Step 1: Use the useEffect hook to conditionally render the initial UI only if it exists in the server-rendered HTML.

Method 2: Providing a Fallback Render Function for SSR

Step 1: Create a fallback render function that returns the initial UI.

💡 Conclusion

By implementing one of these methods, you can resolve the hydration failure issue and ensure a seamless user experience for your React application.

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