Doing some http debugging and as usual I use vg.no as a test page since they have such a nice short domain name.
I noticed something funny in their http response headers:
HTTP/1.1 200 OK
X-VG-WebServer: leonora, leonora
X-VG-WebCache: fritz
X-Rick-Would-Never: Give you up
X-VG-Varnish-IP: 10.0.4.152
X-Varnish: 2005612975 2003787473
Age: 541
Connection: keep-alive
Content-Length: 164544
Cache-Control: max-age=900
Content-Type: text/html; charset=iso-8859-1
Date: Tue, 03 Feb 2009 12:52:28 GMT
Expires: Tue, 03 Feb 2009 12:58:27 GMT
Last-Modified: Tue, 03 Feb 2009 12:43:26 GMT
Seems someone at VG is Rickrolling every http request 