ad testing website - SERP Analysis

https://canyoublockit.com/

https://adblock-tester.com/

https://adblock.turtlecute.org/

https://paileactivist.github.io/toolz/adblock.html

https://www.reddit.com/r/pihole/comments/5sew54/adfilled_page_for_testing_pihole/

https://obfusgated.com/tools/ad-block-test

https://www.surveymonkey.com/market-research/ad-testing/

https://vwo.com/blog/ad-testing-tools/

https://system1group.com/test-your-ad