So on page 13 of this test, different products are evaluated for URL blocking. -http://www.pcsecuritylabs.net/document/report/pcsl_win8_security_solution_review_201302.pdf- URL or IP blocking for bad sites is a great concept. Prevent getting exposed to bad stuff prior to exposure... Trend Micro kicks butt on this test. I'd like to see more tests like this. I wonder how the different DNS services and Malwarebytes would have done in this test. I hope our message board favorite -- AV Comparatives -- can add tests of this nature. -ftp .