User Agent String explained :
|  Firefox 23.0 | |
|---|---|
| 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 6.1 | Operating System:  Windows 7 | 
| Win64 | (Win32 for 64-Bit-Windows) API implemented on 64-bit platforms of the Windows architecture - currently AMD64 and IA64 | 
| x64 | 64-bit windows version | 
| rv:23.0 | CVS Branch Tag The version of Gecko being used in the browser | 
| Gecko | Gecko engine inside | 
| 20131011 | Build Date: the date the browser was built | 
| Firefox | Name :  Firefox | 
| 23.0 | Firefox version | 
| First visit: | 2013.04.07 08:51 | 
| Last visit: | 2023.11.14 07:00 | 
| All Firefox user agent strings | |