User Agent 字符串描述 :

FirefoxFirefox 5.0
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
Windows NT 6.2Operating System:
icon Windows 8
WOW64(Windows-On-Windows 64-bit) A 32-bit application is running on a 64-bit processor
rv:5.0 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
5.0Firefox version
 
First visit: 2011.06.19 12:48
Last visit:2015.11.10 07:32

All Firefox user agent strings