KidsGoGoGo filters unknown adult-only sites by analogy, as well as known adult sites by database. All you need to do is installing KidsGoGoGo in order to protect children from harmful web sites. KidsGoGoGo filters known or unknown web contents without slowing down your web browser. As KidsGoGoGo affects nothing to your network peripherals, you can try filtration ability safely by yourself.
Mac OS Classic
||Mac OS 8.6 - 9.2.2