the mouse. For example, you can prevent them from opening up web pages related to religion, or program the application to send you a notification every time your child visits those pages.
The best of all is that you can watch your kids from anywhere, since the only thing you need is a steady Internet connection and to have the Qustodio program opened.
Qustodio is an useful tool for monitoring your kids' habits on the computer, although spying on all the content they look at on the Internet might be a bit excessive.