Show number of users online in html page

[Skyfall]

Hi!

I would like to show the number of the logged in users on an external website on a html page.

I understand I need to get this information from the database, but I don't know how.

Could somebody please help me? Thank you. :)

[cpg]

Hallo,

in html there is no chance, I think; you need php

Regards
cpg