301 Moved Permanently 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.
403 Forbidden indicates that access to the requested resource is denied, even with authentication.
The user is informed that they do not have permission to access the resource.
GET / HTTP/1.1 Host: td4.com Accept: */* User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
<!DOCTYPE html> <html style="height:100%"> <head> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" /> <title> 403 Forbidden </title><style>@media (prefers-color-scheme:dark){body{background-color:#000!important}}</style></head> <body style="color: #444; margin:0;font: normal 14px/20px Arial, Helvetica, sans-serif; height:100%; background-color: #fff;"> <div style="height:auto; min-height:100%; "> <div style="text-align: center; width:800px; margin-left: -400px; position:absolute; top: 30%; left:50%;"> <h1 style="margin:0; font-size:150px; line-height:150px; font-weight:bold;">403</h1> <h2 style="margin-top:20px;font-size: 30px;">Forbidden </h2> <p>Access to this resource on the server is denied!</p> </div></div></body></html>