User Agent String explained :
 Firefox 3.5b4 | |
|---|---|
| Mozilla | It's a Mozilla based browser |
| 5.0 | Mozilla Version |
| Windows | Platform |
| U | Security values:
|
| Windows NT 5.1 | Operating System:  Windows XP |
| 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:1.9.1b4 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20090423 | Build Date: the date the browser was built |
| Firefox | Name : Firefox |
| 3.5b4 | Version |
| .NET CLR 3.5.30729 | .NET installed Version : 3.5.30729 |
| First visit: | 2009.04.29 12:52 |
| Last visit: | 2009.04.29 12:52 |
All Firefox user agent strings | |