A Technical SEO Guide to Redirects
We’ll go over 3XX redirects that are relevant to SEO in this article.
301: Permanently Moved
This well-known redirect informs a client* that the resource has moved to a new location and that future requests should be made using the new URL. When search engines encounter a 301 redirect, the old page’s ranking is transferred to the new one.
When selecting to employ a 301 redirect, you must exercise caution before making a change. This is because if you later change your mind and delete the 301 redirect, your old URL may no longer rank.
Even if the redirects are swapped, the old page will not return to its prior ranking position. The most important thing to understand is that a 301 redirect cannot be reversed.