All you need to do is installing Kids GoGoGo in order to protect children from harmful web sites. Kids GoGoGo filters known or unknown web contents without slowing down your web browser. As Kids GoGoGo affects nothing to your network peripherals, you can try filtration ability safely by yourself.
What kind of sites are blocked?
Adult-only site, online casino, drug related information and related links, adult-only BBS/chat, hate/violence site will be filtered out. People have different idea about harmful web contents in different countries however, something inappropriate for children, too sexual explicit, morbid taste, acts of atrocity are considered to be filtered out in many countries.
Kids GoGoGo is available for US$30. You can find more information at the MAKI Enterprises Web site.