User Agent 字符串描述 :

FirefoxFirefox 3.5.2
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
pt-BRLanguage Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface)
pt-BR = Portuguese - BrazilPortuguese - Brazil
rv:1.9.1.2 CVS Branch Tag
The version of Gecko being used in the browser
Gecko Gecko engine inside
20090729 Build Date:
the date the browser was built
FirefoxName :
Firefox
3.5.2Firefox version
 
First visit: 2009.08.05 03:44
Last visit:2015.06.15 11:57

All Firefox user agent strings