User Agent String explained :
 Opera 11.51 | |
|---|---|
| Opera | Name : Opera |
| 9.80 | Opera version -> old version, for compatiblity reasons only. See Version below |
| Windows NT 5.1 | Operating System:  Windows XP |
| U | Security values:
|
| en | Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) en =  English |
| Presto | Layout engine for Opera |
| 2.9.168 | Presto version |
| Version | Browser version |
| 11.51 | Version 11.51 |
| First visit: | 2011.08.28 05:58 |
| Last visit: | 2025.10.08 06:45 |
All Opera user agent strings | |