HTTP Head for http://www.w3.org/

Description

This tool takes the URI of a document as input and outputs the HTTP headers sent by the server for this resource.

Results

200 OK
Content-Length: 32821
Content-Location: Home.html
Accept-Ranges: bytes
Expires: Wed, 16 May 2012 11:32:54 GMT
Vary: negotiate,accept
Server: Apache/2
Tcn: choice
Last-Modified: Wed, 16 May 2012 08:28:30 GMT
Connection: close
Etag: "8035-4c0231aa12780;89-3f26bd17a2f00"
Cache-Control: max-age=600
Date: Wed, 16 May 2012 11:22:54 GMT
P3p: policyref="http://www.w3.org/2001/05/P3P/p3p.xml"
Content-Type: text/html; charset=utf-8

Note that this script doesn't transmit your browsers HTTP headers when doing the request.