Ezoic is a continuous testing platform. The ad combinations are dynamic and can change based on the traffic source, device type, and many other variables. Therefore, there isn't a single 'winning' ad combination. The combinations are constantly changing! This article will help clarify why Ezoic’s continuous testing platform doesn't provide a single 'winning' ad combination. We'll explain how this constant testing helps optimize your ad revenue and why focusing on individual ad units might not be the best approach. By the end of this article, you'll have a better understanding of the complexities behind ad performance and how Ezoic ensures that your site is always displaying the most effective ad combinations.