A 404 error occurs when the server is unable to find the requested resource. If you are encountering a 404 error with an iframe tag, it could be due to a few different reasons.
Here are a few steps you can take to try and solve the issue:
- Check the URL: Ensure that the URL in the iframe tag is correct and leads to a valid resource. It's possible that the URL may have a typo or may no longer exist on the server.
- Check for CORS issues: If the URL you are trying to embed in the iframe tag is from a different domain, you may encounter a CORS (Cross-Origin Resource Sharing) issue. To solve this, the server hosting the resource must explicitly allow access from the domain where the iframe is being embedded. You can check for CORS errors in your browser's console.
- Check for server issues: If the URL and CORS are not the issues, it's possible that the server hosting the resource is down or experiencing some issues. You can try accessing the URL directly to see if it loads without any issues. If the server is down or experiencing issues, you may need to contact the owner of the resource to resolve the issue.
By following these steps, you should be able to diagnose and solve any 404 errors you encounter with an iframe tag.