When you receive a "200 OK" HTTP response code but the page appears blank, it usually means that the server successfully processed the request and sent back a response, but the content of the response might be empty or not as expected. There are several potential reasons for this issue, and here are some common ones to investigate:

  1. Empty Response Body: Check if the server is sending an empty response body. It's possible that the server is not including any content in the response, resulting in a blank page.

  2. Error Handling on the Server: Verify that the server-side code is handling errors properly. If an error occurs during the request processing, the server might respond with a "200 OK" status code but an empty or error response body.

  3. Client-Side JavaScript Issues: The issue might be related to client-side JavaScript errors. Check your browser's developer console for any JavaScript errors that could be preventing the page from rendering correctly.

  4. CORS (Cross-Origin Resource Sharing): If the page is making a request to a different domain (cross-origin request), ensure that the server allows cross-origin requests by including the appropriate CORS headers in its response. Otherwise, the browser might block the response due to security restrictions.

  5. Incorrect Content Type: Ensure that the server is setting the correct Content-Type header in the response. If the content type is not recognized by the browser, it might not render the page content.

  6. Server-Side Rendering Issues: If the page relies on server-side rendering, verify that the server is rendering the page correctly and sending the rendered HTML as part of the response.

  7. Redirects or URL Changes: Check if there are any redirects or URL changes happening that might be leading to the blank page. The "200 OK" response might be for a different URL.

  8. Cache Issues: The browser might be displaying a cached version of the page. Try clearing the browser cache or using a different browser to see if the issue persists.

  9. Network Connectivity: Ensure that there are no network connectivity issues between the client and server. A slow or unstable network connection might lead to incomplete responses.

  10. Server-Side Logs: Review the server-side logs to see if there are any errors or warnings related to the request that might provide additional insights.

By investigating these potential causes, you can identify the specific issue that is causing the blank page and take appropriate steps to resolve it.

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