User Agent 字符串描述 :

FirefoxFirefox 3.5.6
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 Platform
U Security values:
  • N for no security
  • U for strong security
  • I for weak security
Windows NT 6.1Operating System:
icon Windows 7
en-USLanguage Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface)
en-US = English - United StatesEnglish - United States
rv:1.9.1.6 CVS Branch Tag
The version of Gecko being used in the browser
Gecko Gecko engine inside
20091201 Build Date:
the date the browser was built
FirefoxName :
Firefox
3.5.6Firefox version
.NET CLR 3.5.30729 .NET framework
Version : 3.5.30729
 
First visit: 2010.05.31 12:29
Last visit:2015.09.23 10:17

All Firefox user agent strings