User Agent String.Com 

User Agent String explained :

Opera 10.00
Opera	Name : Opera
10.00	Opera version
X11	X Window System a windowing system for bitmap displays
Linux i686	Operating System: Linux running on a Intel Pentium Pro CPU
U	Security values: N for no security U for strong security I for weak security
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
2.2.1	Presto version
First visit:	2009.04.03 10:22
Last visit:	2018.07.29 05:52
All Opera user agent strings