User Agent 字符串描述 :

FirefoxFirefox 3.6.28
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 5.1Operating System:
icon Windows XP
itLanguage Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface)
it = ItalianItalian
rv:1.9.2.28 CVS Branch Tag
The version of Gecko being used in the browser
Gecko Gecko engine inside
20120306 Build Date:
the date the browser was built
AskTbSTC-SRSAsk Toolbar
3.13.1.18132Version 3.13.1.18132
FirefoxName :
Firefox
3.6.28Firefox version
.NET CLR 3.5.30729 .NET framework
Version : 3.5.30729
 
First visit: 2012.04.28 08:49
Last visit:2015.05.10 03:51

All Firefox user agent strings