View HTTP Request and Response Header

View HTTP Request and Response Header

HTTP(S) URL:

Accept-Encoding: gzip / deflate   •   Request type: GET POST HEAD TRACE

User agent: custom user agent : Internet Explorer 8 / XP Internet Explorer 7 / XP Internet Explorer 6 / XP Netscape 4.8 / XP Opera 9.2 / XP Firefox 2 / Mac Safari 3 / Mac Googlebot none your user agent

Referrer:

The PHP/Javascript implementation for this page has been independently developed by David Martin and has nothing in common with web-sniffer other than some superficial design elements. This script should be considered a beta. It works well for some sites and completely times out for others. I do not yet know why. Please use this for backup / testing.

Updates:
2/20/2010 - added an appropriate IE8 user agent, max download increased to 100 KB, URL field updated, entering a blank user agent now selects 'none' instead of 'custom user agent'
8/13/2009 - updated the IE6 user agent to something more.. appropriate
8/1/2009 - now using php's highlight_string() to parse code. It only highlights PHP not HTML, but it still produces cleaner output.
8/1/2009 - launched