Hi all

It may not be advertising on ODK that is the problem ,marketing companies use cookies that track wherever you go online and send ads to your computer ,that's why I mentioned previously to delete your cookies or the use of adblocker.

https://digiday.com/media/know-cookies-guide-internet-ad-trackers/

https://addons.mozilla.org/en-US/firefox/addon/cookie-remover/