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.
502 status code indicates that the server acting as a gateway or proxy received an invalid response from an upstream server.
The user cannot access the requested resource due to a temporary issue between servers.
GET / HTTP/1.1 Host: d1g.com Accept: */* User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
<html> <head><title>502 Bad Gateway</title></head> <body bgcolor="white"> <center><h1>502 Bad Gateway</h1></center> <hr><center>nginx</center> </body> </html>