User Agent String.Com 

User Agent String explained :

Mozilla 1.7.2
Mozilla	Name : Mozilla
5.0	Mozilla version
X11	X Window System a windowing system for bitmap displays
U	Security values: N for no security U for strong security I for weak security
FreeBSD i386	Operating System: FreeBSD running on a Intel 80386 CPU
ja-JP	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) ja-JP = Japanese - Japan
rv:1.7.2	CVS Branch Tag The version of Gecko being used in the browser For the Mozilla browser this is the browser version as well
Gecko	Gecko engine inside
20050330	Build Date: the date the browser was built
First visit:	2009.07.19 05:50
Last visit:	2024.09.27 06:17
All Mozilla user agent strings