Using Firefox's web developer extension, I have been having fun using it to find unusual response headers.
Response Headers - http://www.guardian.co.uk/ Date: Fri, 02 Dec 2005 17:54:00 GMT Server: Apache Accept-Ranges: bytes GUpoweredBy: X-GUHTTPD-HAMSTER25 Connection: close Transfer-Encoding: chunked Content-Type: text/html; charset=ISO-8859-1 200 OK
Response Headers - http://www.philippines.hvu.nl/ Date: Fri, 02 Dec 2005 18:10:27 GMT Server: Apache/1.3.12 (Unix) PHP/3.0.16 mod_perl/1.25 mod_ssl/2.6.5 OpenSSL/0.9.5a X-Disclaimer: The local sysadmins have *nothing* to do with the content of this server. Last-Modified: Tue, 15 Nov 2005 21:09:49 GMT Etag: "e805d-5a65-437a4e9d" Accept-Ranges: bytes Content-Length: 23141 Keep-Alive: timeout=15, max=99 Connection: Keep-Alive Content-Type: text/html 200 OK
Date: Fri, 02 Dec 2005 18:16:13 GMT Server: Microsoft-IIS/6.0 X-Cotton: The Fabric of Our Lives X-Powered-By: ASP.NET Content-Length: 4884 Content-Type: text/html Cache-Control: private 200 OK
Blosxom | Valid XHTML1.0 | Valid CSS | XML RSS | Cheers:SDF