User Agent String.Com 

User Agent String explained :

Opera 8.51
Opera	Name : Opera
8.51	Opera version
FreeBSD 5.1	Operating System: FreeBSD
U	Security values: N for no security U for strong security I for weak security
en	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) en = English
Last visit:	2023.11.08 04:56
All Opera user agent strings