User Agent String explained :
|  Opera 9.22 | |
|---|---|
| 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 | 
| 4.0 | Mozilla version | 
| compatible | Compatibility flag Indicates that this browser is compatible with a common set of features | 
| MSIE 6.0 | Opera pretends to be Microsoft Internet Explorer Version 6.0 | 
| X11 | X Window System a windowing system for bitmap displays | 
| Linux i686 | Operating System:  Linux running on a Intel Pentium Pro CPU | 
| en | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) en =  English | 
| Opera | Name :  Opera | 
| 9.22 | Opera version | 
| Last visit: | 2025.07.29 01:10 | 
| All Opera user agent strings | |