Okay - in that case we do encourage publishers to use Support.ezoic.com articles on the topic to make sure they're optimized, for example: https://support.ezoic.com/kb/article/ezoic-best-practices-for-higher-epmv-earnings
The best way to improve ePMV is to improve your traffic quality and volume from organic search. That's typically done by writing new, unique, highly engaging content regularly. The better the content, the more likely you are to rank higher and also make sure that users to your site are engaging with the content, therefore more valuable to advertisers and generating more impressions per visit.