User Agent String.Com 

User Agent String explained :

Opera 11.50
Opera	Name : Opera
9.80	Opera version -> old version, for compatiblity reasons only. See Version below
X11	X Window System a windowing system for bitmap displays
Linux x86_64	Operating System: Linux running on a Intel CPU running on a 64 bit processor
U	Security values: N for no security U for strong security I for weak security
fr	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) fr = French
Presto	Layout engine for Opera
2.9.168	Presto version
Version	Browser version
11.50	Version 11.50
First visit:	2011.07.18 12:10
Last visit:	2024.04.21 09:48
All Opera user agent strings