texSoft.it - Identify User Agent by string format recognition1 User-Agent definition This document tries to describe how to identify the HTTP user agent (browser or robot) examining the User-Agent string in the HTTP header of the request to the WEB server. The User-Agent string format is described by RFC 1945 and RFC 2068 . Here are some excerpts from RFC 2068, please refer to the original RFCs for a complete reference: Many HTTP/1.1 header field values con
