User Agent String.Com 

User Agent String explained :

Opera 8.53
Opera	Name : Opera
8.53	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
pt	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) pt = Portuguese
Last visit:	2023.05.28 10:08
All Opera user agent strings