User Agent String explained :
 Opera 9.50 | |
|---|---|
| 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 5.1 | Operating System:   Windows XP | 
| U |  Security values: 
  | 
| zh-cn | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface)  zh-cn =  Chinese - China | 
| rv:1.8.1 |  CVS Branch Tag The version of Gecko being used in the browser  | 
| Gecko | Gecko engine inside | 
| 20061208 |  Build Date: the date the browser was built  | 
| Firefox | Opera pretends to be Firefox | 
| 2.0.0 | Firefox version | 
| Opera | Name :  Opera | 
| 9.50 | Opera version | 
| Last visit: | 2018.07.28 10:13 | 
All Opera user agent strings  | |
Opera 9.50
 
Chinese - China