← All status codes4xx – Client Error

HTTP 408 – Request Timeout

The server timed out waiting for the request from the client.

Common use case

Returned by servers that close idle connections, e.g. a slow or dropped mobile connection that never finished sending a request.

Example

HTTP/1.1 408 Request Timeout
Connection: close

History

Part of HTTP/1.1 (RFC 2068, 1997).

Did you know?

Some browsers will silently retry a request that gets a 408, since it usually indicates a transient network hiccup rather than a real error.