4xx Client Error
HTTP 408 Request Timeout
The server gave up waiting for the client to finish sending the request.
Check a URL's HTTP statusWhat 408 means
The connection was idle too long before the full request arrived.
Common causes
- A slow or unstable client connection.
- A very large upload on a slow network.
How to fix it
- Retry the request.
- Increase server request timeouts for large uploads if appropriate.
How to check a status code
Enter a URL in the HTTP Status Checker to see its status code, every redirect hop, and response time. For redirect-heavy pages, the Website Speed Test shows how much time redirects add.
FAQ
- What does HTTP 408 mean?
- 408 Request Timeout is a 4xx client error status code. The server gave up waiting for the client to finish sending the request.
- What causes a 408 error?
- A slow or unstable client connection. A very large upload on a slow network.
- How do I fix HTTP 408?
- Retry the request. Increase server request timeouts for large uploads if appropriate.
Defined in RFC 9110.
Other 4xx client error codes
400 Bad Request401 Unauthorized403 Forbidden404 Not Found405 Method Not Allowed406 Not Acceptable409 Conflict410 Gone413 Content Too Large414 URI Too Long415 Unsupported Media Type418 I'm a teapot422 Unprocessable Content425 Too Early429 Too Many Requests431 Request Header Fields Too Large451 Unavailable For Legal Reasons