HTTP 301 status code means a requested resource has been moved to a different URL once and for all.
301 Moved Permanently implies a resource has moved permanently to a different location (as indicated in the
Location header), and from now on, clients should look for this resource in a new location:
HTTP/2 301 Moved Permanently Location: https://example.com/new
302 Found, some browsers have been incorrectly converting POST requests to GET requests upon encountering 301 status code. In such cases, POST data is discarded during a redirect. It goes against the HTTP spec, which states that the client should repeat the request with the same method and body.
If you want to be sure that the request will be retried with the same method and body, use
308 Permanent Redirect.
|Can change from POST to GET||301||302|
|Can’t change from POST to GET||308||307|
Upon encountering 301, search engines will eventually remove the page from their indexes and pass most of the domain authority (aka link juice), if not all, to the new page.
Try it yourself
Unlike browsers, most HTTP clients won’t follow redirects: you have to explicitly enable this behavior. For example, to follow redirects in curl, you will have to pass the
-L, --location option:
curl -L http://tryhexadecimal.com
If your HTTP library doesn’t have native support for following redirects, you will have to extract the
Location header and recursively follow it until you receive a non
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