User Agent String explained :
 Firefox 3.5.3 | |
|---|---|
| Mozilla | It's a Mozilla based browser |
| 5.0 | Mozilla Version |
| X11 | X Window System a windowing system for bitmap displays |
| U | Security values:
|
| Linux i686 | Operating System:  Linuxrunning on a Intel Pentium Pro CPU |
| ru | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) ru =  Russian
|
| rv:1.9.1.3 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20091020 | Build Date: the date the browser was built |
| Ubuntu | Ubuntu Linux distribution |
| 9.10 | version |
| karmic | karmic version |
| Firefox | Name : Firefox |
| 3.5.3 | Version |
| First visit: | 2009.10.21 05:09 |
| Last visit: | 2009.11.02 01:49 |
All Firefox user agent strings | |