User Agent String explained :
 Firefox 3.0.10 | |
|---|---|
| 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 | 
| X11 | X Window System  a windowing system for bitmap displays  | 
| U |  Security values: 
  | 
| Linux i686 | Operating System:   Linuxrunning on a Intel Pentium Pro CPU  | 
| es-ES | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface)  es-ES =  Spanish - Spain | 
| rv:1.9.0.10 |  CVS Branch Tag The version of Gecko being used in the browser  | 
| Gecko | Gecko engine inside | 
| 2009042513 |  Build Date: the date the browser was built  | 
| Linux Mint | Linux Mint Linux distribution | 
| 5 | Version 5 | 
| Elyssa | Elyssa version | 
| Firefox | Name :  Firefox | 
| 3.0.10 | Firefox version | 
| First visit: | 2009.06.08 08:28 | 
| Last visit: | 2018.11.04 03:20 | 
All Firefox user agent strings  | |
Firefox 3.0.10
 
Spanish - Spain