|It would be more of the OS security features such as event log or if on linux use it's mechanisms.|
The pages and access to are running on some server based on some file structure and OS. Both logon and file tasks can be monitored if you have enough access to the server.
It might be that your ISP if you have a hosted site already has webmin or such to monitor use. Many do if you can find it hidden in the documentation somewhere.
Playing to the angels
Les Paul (1915-2009)