301
Moved Permanently
Redirection (3xx)·RFC 9110
What 301 means
The resource has permanently moved to a new URL given in the Location header.
Search engines transfer ranking to the new URL. Use it for permanent URL changes; browsers and crawlers cache the redirect.
Redirection (3xx)
Further action (usually a redirect) is needed to complete the request.
Other 3xx codes
FAQ — 301
What does HTTP 301 mean?
301 Moved Permanently: The resource has permanently moved to a new URL given in the Location header. Search engines transfer ranking to the new URL. Use it for permanent URL changes; browsers and crawlers cache the redirect.
Which class does status code 301 belong to?
301 is a Redirection (3xx) code. Further action (usually a redirect) is needed to complete the request.
Where is the 301 code defined?
Status code 301 is defined in RFC 9110 and is part of the IANA HTTP Status Code Registry.