No, it consists of 2 tests at the moment: 1. Tries to load a file called ads.css which is usually blocked in default installations of many blockers relying on

No, it consists of 2 tests at the moment: 1. Tries to load a file called ads.css which is usually blocked in default installations of many blockers relying on Easy List. 2. It uses gstatic.com to check if acceptable ads are being allowed - gstatic.com is whitelisted by Adblock Plus, so we test for it and warn users that acceptable ads are being let through. We're going to be updating the detection to detect use of other blockers.