Some properties of your  navigator  object, i.e. your web browser:

NB. navigator.userAgent is passed to the web server.

e.g. some prepared earlier (10/4/2002)

Netscape with Linux:

navigator.appName = Netscape

navigator.appCodeName = Mozilla

navigator.appVersion =  4.76 [en] (X11; U; Linux 2.2.14-12smp i686)

navigator.userAgent =  Mozilla/4.76 [en] (X11; U; Linux 2.2.14-12smp i686)

Netscape with Irix (Sgi)

navigator.appName = Netscape

navigator.appCodeName = Mozilla

navigator.appVersion =  4.78 [en] (X11; U; IRIX 6.5 IP22; Nav)

navigator.userAgent =  Mozilla/4.78 [en] (X11; U; IRIX 6.5 IP22; Nav)

Mac Power PC with MSIE 5.12 (ajh):

navigator.appName = Microsoft Internet Explorer

navigator.appCodeName = Mozilla

navigator.appVersion =  4.0 (compatible; MSIE 5.0; Macintosh; I; PPC)

navigator.userAgent =  Mozilla/4.0 (compatible; MSIE 5.12; Mac_PowerPC)

Intel, MSIE 6.0 (Chris A.):

navigator.appName = Microsoft Internet Explorer

navigator.appCodeName = Mozilla

navigator.appVersion =  4.0 (compatible; MSIE 6.0; Windows NT 5.1; Q312461; .NET CLR 1.0.2914)

navigator.userAgent =  Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Q312461; .NET CLR 1.0.2914)

and Internet Explorer 5.5 with Win ME

navigator.appName = Microsoft Internet Explorer

navigator.appCodeName = Mozilla

navigator.appVersion =  4.0 (compatible; MSIE 5.5; Windows 98; Win 9x 4.90)

navigator.userAgent =  Mozilla/4.0 (compatible; MSIE 5.5; Windows 98; Win 9x 4.90)

Firefox with Linux & Intel (3/2006):

navigator.appName = Netscape

navigator.appCodeName = Mozilla

navigator.appVersion = 5.0 (X11; en-US)

navigator.userAgent = Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050925 Firefox/1.0.4 (Debian package 1.0.4-2sarge5)

Some properties available to JavaScript: