HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction.
For more information on HTTP see RFC 2616
URL:
HTTP version: HTTP/1.1 HTTP/1.0 (with Host header) HTTP/1.0 (without Host header)
Accept-Encoding: gzip Use referrer Request type: GET POST HEAD TRACE
User agent: RankW Internet Explorer 6 Internet Explorer 7 Internet Explorer 8 Internet Explorer 9 Internet Explorer 10 Firefox 3 Firefox 6 Firefox 16 Google Chrome 5 Google Chrome 24 IPhone Mobile Safari Netscape 4.8 Opera 9.2 Opera 12 Googlebot msnbot Yahoo! Slurp <None> <Your User Agent>