301 http 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.
503 http status code indicates that the server is temporarily unavailable due to overload or maintenance.
The user must wait and try again later, as the server is currently unavailable.
GET / HTTP/1.1 Host: w9.com Accept: */* User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
<html> <head><title>503 Service Temporarily Unavailable</title></head> <body> <center><h1>503 Service Temporarily Unavailable</h1></center> </body> </html>