I came across an ad that tracks the user through v2i8b.com
and no blacklist seems to block it yet:
https://r.v2i8b.com/api/v1/bid/redirect?campaign_id=01GWHNP35ZW7N25QKXMEA9EHVQ&url=https%3A%2F%2Fwww.moneyfarm.com%2Fit%2Fetf%2F&cid=301fe865-ca2f-40b8-83aa-5ae40b53edd7&fb=https%3A%2F%2Fwww.moneyfarm.com%2Fit%2Fetf%2F