Crawling TechCrunch resulted as the following header

tc_header.json

{"SERVER"=>"nginx",
 "DATE"=>"Sun, 06 Nov 2011 23:38:49 GMT",
 "CONTENT_TYPE"=>"text/html; charset=UTF-8",
 "TRANSFER_ENCODING"=>"chunked",
 "CONNECTION"=>"close",
 "VARY"=>["Accept-Encoding", "Cookie"],
 "LAST_MODIFIED"=>"Sun, 06 Nov 2011 23:37:58 +0000",
 "CACHE_CONTROL"=>"max-age=249, must-revalidate",
 "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://techcrunch.com/xmlrpc.php",
 "LINK"=>"<http://wp.me/1FaB8>; rel=shortlink",
 "X_UA_COMPATIBLE"=>"IE=edge",
 "X_NANANANA"=>"Batcache"
}