The Performance Tracker allows you to not only track when you have a successful conversion, but also allows you to use our Auto-Optimization service, helping your ads reach their top potential.
Due to the recent security updates of the various web browsers, relying on the old client-to-server performance tracking is not safe enough and a large number of the conversions can't be tracked correctly.
As such, we now require all advertisers that wish to track the performance of their ads to use our server-to-server tracking using Post Back URL. You can get this via the Performance Tracker option in the Ads Center:
To enable the Auto-Optimization, simply select the ad you want to work on, and click on the Auto-Optimzation button, and fill out the relevant information, then click Update: