User Agent 字符串描述 :

FirefoxFirefox 9.0.1
MozillaMozillaProductSlice. Claims to be a Mozilla based user agent, which is only true for Gecko browsers like Firefox and Netscape. For all other user agents it means 'Mozilla-compatible'. In modern browsers, this is only used for historical reasons. It has no real meaning anymore
5.0Mozilla version
Windows NT 6.2Operating System:
icon Windows 8
rv:9.0.1 CVS Branch Tag
The version of Gecko being used in the browser
Gecko Gecko engine inside
20100101 Build Date:
the date the browser was built
FirefoxName :
Firefox
9.0.1Firefox version
 
First visit: 2012.01.06 06:32
Last visit:2015.08.26 08:53

All Firefox user agent strings