User Agent String explained :
 Firefox 2.0 | |
|---|---|
| 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 | Platform | 
| U |  Security values: 
  | 
| Windows NT 6.0 | Operating System:   Windows Vista | 
| zh-HK | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface)  zh-HK =  Chinese - Hong Kong | 
| rv:1.8.1.7 |  CVS Branch Tag The version of Gecko being used in the browser  | 
| Gecko | Gecko engine inside | 
| Firefox | Name :  Firefox | 
| 2.0 | Firefox version | 
| Last visit: | 2018.07.28 07:18 | 
All Firefox user agent strings  | |
Firefox 2.0
 
Chinese - Hong Kong