User Agent 字符串描述 :

FirefoxFirefox 4.0
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
X11X Window System
a windowing system for bitmap displays
Arch Linux i686Operating System:
icon Linux
running on a Intel Pentium Pro CPU
Arch Linux distibution
rv:2.0 CVS Branch Tag
The version of Gecko being used in the browser
Gecko Gecko engine inside
20110321 Build Date:
the date the browser was built
FirefoxName :
Firefox
4.0Firefox version
 
First visit: 2011.03.24 09:42
Last visit:2015.09.18 11:47

All Firefox user agent strings