User Agent String explained :
 Firefox 3.5.3 | |
|---|---|
| Mozilla | MozillaProductToken. It's a Mozilla based user agent |
| 5.0 | Mozilla Version |
| X11 | X Window System a windowing system for bitmap displays |
| U | Security values:
|
| FreeBSD i386 | Operating System:  FreeBSDrunning on a Intel 80386 CPU |
| ru-RU | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) ru-RU =  Russian |
| rv:1.9.1.3 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20090913 | Build Date: the date the browser was built |
| Firefox | Name : Firefox |
| 3.5.3 | Version |
| First visit: | 2009.09.28 01:55 |
| Last visit: | 2010.01.17 06:45 |
All Firefox user agent strings | |