User Agent String.Com 

User Agent String explained :

Opera 9.52
Opera	Name : Opera
9.52	Opera version
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
Last visit:	2021.10.06 10:16
All Opera user agent strings