User Agent String explained :
 Firefox 3.6.12 | |
|---|---|
| Mozilla | MozillaProductSlice. 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 |
| 5.0 | Mozilla version |
| Macintosh | Platform |
| U | Security values:
|
| Intel Mac OS X 10.6 | Operating System: OS X Version 10.6 : Snow Leopard running on a Intel CPU |
| de | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) de =  German |
| rv:1.9.2.12 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20101026 | Build Date: the date the browser was built |
| Firefox | Name : Firefox |
| 3.6.12 | Firefox version |
| GTB5 | Google Toolbar 5 |
| First visit: | 2010.11.15 09:32 |
| Last visit: | 2025.06.21 09:53 |
All Firefox user agent strings | |