301 status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.
The browser will automatically redirect the user to the new address, and search engines will update their indexes.
404 status code means that the requested page or resource was not found on the server.
The user sees an error message, and search engines may remove the page from their index.
GET / HTTP/1.1 Host: alb.com Accept: */* User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])