Re:Ask HN: How prevalent is non-cookie-based web tracking to...
by soumyadeb on Sunday November 03, 2019 @09:44AM
(#21434116)
Ad re-targeting (showing products you browsed) is generally cookie based I would think and adblockers block that. Anything other than re-targeting is anyway too broad and generally crap for me - even on Facebook which knows a lot I would think. Other data vendors are totally crap.
You can check your BlueKai profile here https://datacloudoptout.oracle.com/registry/