User Agent String explained :
 Firefox 3.5.3 | |
|---|---|
| Mozilla | It's a Mozilla based browser |
| 5.0 | Mozilla Version |
| Windows | Platform |
| U | Security values:
|
| Windows NT 6.1 | Operating System:  Windows 7 |
| zh-CN | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) zh-CN =  Chinese - China
|
| rv:1.9.1.3 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20090824 | Build Date: the date the browser was built |
| Firefox | Name : Firefox |
| 3.5.3 | Version |
| First visit: | 2009.09.23 07:26 |
| Last visit: | 2010.01.16 05:57 |
All Firefox user agent strings | |