User Agent String.Com 

User Agent String explained :

Opera 8.54
Opera	Name : Opera
8.54	Opera version
Windows NT 4.0	Operating System: Windows NT
U	Security values: N for no security U for strong security I for weak security
zh-cn	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) zh-cn = Chinese - China
First visit:	2011.01.03 05:02
Last visit:	2023.10.11 01:54
All Opera user agent strings