User Agent String explained :
 Firefox 52.9.0 | |
|---|---|
| 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 NT 5.0 | Operating System:  Windows 2000 |
| Windows NT 5.1 | Operating System:  Windows XP |
| Windows NT 6.0 | Operating System:  Windows Vista |
| Windows NT 6.1 | Operating System:  Windows 7 |
| Linux | Operating System:  Linux |
| es-VE | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) es-VE =  Spanish - Venezuela |
| rv:52.9.0 | CVS Branch Tag The version of Gecko being used in the browser |
| Gecko | Gecko engine inside |
| 20100101 | Build Date: the date the browser was built |
| Firefox | Name : Firefox |
| 52.9.0 | Firefox version |
| First visit: | 2020.04.12 03:13 |
| Last visit: | 2022.04.11 07:24 |
All Firefox user agent strings | |