$ curl --head wordpress.com
HTTP/1.1 200 OK
Server: nginx
Date: Tue, 08 Dec 2009 00:08:45 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Last-Modified: Tue, 08 Dec 2009 00:08:25 +0000
Cache-Control: max-age=10, must-revalidate
Vary: Cookie
X-hacker: If you're reading this, you should visit automattic.com/jobs
and apply to join the fun, mention this header.
X-Pingback: http://wordpress.com/xmlrpc.php
Link: <http://wp.me/1>; rel=shortlink
X-nananana: Batcache