User Agent String.Com 

User Agent String explained :

Opera 9.23
Opera	Name : Opera
9.23	Opera version
Windows NT 5.1	Operating System: Windows XP
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
Last visit:	2019.05.19 05:00
All Opera user agent strings