Developer's DescriptionBy MetaCertProtect your children from over half a billion pages that contain pornography.MetaCert protects families from pornography. It's easy to install and simple to setup. The #1 porn blockers addon for families. MetaCert blocks 700+ MILLION pages of pornography. That's more than Norton, McAfee and OpenDNS combined.Your browser will never require an update to make use of the thousands of new pages added every day.