3×× Redirection

308 Permanent Redirect

The target resource has been assigned a new permanent URI and any future references to this resource ought to use one of the enclosed URIs.

Clients with link editing capabilities ought to automatically re-link references to the effective request URI1 to one or more of the new references sent by the server, where possible.

The server SHOULD generate a Location header field2 in the response containing a preferred URI reference for the new permanent URI. The user agent MAY use the Location field value for automatic redirection. The server's response payload usually contains a short hypertext note with a hyperlink to the new URI(s).

A 308 response is cacheable by default; i.e., unless otherwise indicated by the method definition or explicit cache controls3.

Note: This status code is similar to 301 Moved Permanently, except that it does not allow changing the request method from POST to GET.

308 Code References

Rust HTTP Status Constant http::StatusCode::PERMANENT_REDIRECT

Symfony HTTP Status Constant Response::HTTP_PERMANENTLY_REDIRECT

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