http-stats:
HTTP/1.1 User-Agent header field


Common User-Agent header values:

Sample User-Agent web server response:

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Content-Length: 5882
User-Agent: Mozilla/5.0
Date: Fri, 30 Jul 2010 17:00:34 +0000

<!DOCTYPE html PUBLIC "-//W3C//DTD ...
...
...

Other common HTTP headers

Other less common headers