User Agent 字符串描述 :

FirefoxFirefox 20.0
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
Win64(Win32 for 64-Bit-Windows) API implemented on 64-bit platforms of the Windows architecture - currently AMD64 and IA64
x6464-bit windows version
Gecko Gecko engine inside
20100101 Build Date:
the date the browser was built
FirefoxName :
Firefox
20.0Firefox version
 
First visit: 2013.04.08 08:40
Last visit:2015.10.26 08:37

All Firefox user agent strings