User Agent String.Com 

User Agent String explained :

Opera 10.10
Opera	Name : Opera
9.80	Opera version -> old version, for compatiblity reasons only. See Version below
Windows NT 6.1	Operating System: Windows 7
U	Security values: N for no security U for strong security I for weak security
de	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) de = German
Presto	Layout engine for Opera
2.2.15	Presto version
Version	Browser version
10.10	Version 10.10
First visit:	2009.09.22 08:12
Last visit:	2023.09.12 02:10
All Opera user agent strings