301
HTTP
301 Moved Permanently
The resource has been permanently moved to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
Quand vous voyez ce code
After domain migrations, URL restructuring, or when consolidating duplicate URLs.
Comment résoudre
Update links and bookmarks to the new URL in the Location header. For SEO, this is the preferred redirect for permanent moves.
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