(For better experience, load the video in the highest quality.)

This demonstration includes two websites.

The first website has purple header, is installed in localhost and will monitor the second website. (Of course it can be installed in a live server as well.)

The second website has green header, is installed in a live server and will be monitored by the first website.

The extension "Central Administrator (Parent)" is installed in the first website.

The extension "Central Administrator (Child)" is installed in the second website.