User Agent String explained :
 Firefox 14.0.1 | |
|---|---|
| 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 |
| Windows | Platform |
| U | Security values:
|
| Windows NT 6.1 | Operating System:  Windows 7 |
| WOW64 | (Windows-On-Windows 64-bit) A 32-bit application is running on a 64-bit processor |
| en-US | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) en-US =  English - United States |
| rv:2.0.4 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20120718 | Build Date: the date the browser was built |
| AskTbAVR-IDW | Ask Toolbar |
| 3.12.5.17700 | Version 3.12.5.17700 |
| Firefox | Name : Firefox |
| 14.0.1 | Firefox version |
| First visit: | 2012.07.18 08:05 |
| Last visit: | 2025.10.09 05:42 |
All Firefox user agent strings | |