Also, in loading ads from these vendors, many often included external JS to whatever flavor-of-the-month adtech vendors or trackers they were using.
These were often not even listed in the framework. There was little-to-no compliance/auditing that I am aware. It was business as usual for many ad networks.
A former employer in the adtech space did audit that the ads were only including vendors from the list, but I don't know how many of our competitors did the same.
These were often not even listed in the framework. There was little-to-no compliance/auditing that I am aware. It was business as usual for many ad networks.