In Forrester’s 53-criteria evaluation of online testing platform vendors, we identified the seven most significant providers — Adobe, Autonomy, Maxymiser, Monetate, Optimizely, SiteSpect, and Webtrends — in the category and researched, analyzed, and scored them. This report details our findings about how well each vendor fulfills our criteria, and where these vendors stand in relation to each other, to help customer intelligence professionals select the right partner for their online testing needs.