Source: https://www.ezoic.com/how-to-select-ad- ... that-work/Finding ad placements that can earn strong revenue without annoying visitors is considered the holy grail for many publishers. User behavior on the web is shifting on nearly a daily basis, and the ability to implement the best ads is a challenge that is getting harder and harder to manage. Below we’ll show you exactly how you can scale the process of testing and identifying ad placements that will work better than others.
Any other ad placements you have success with?