You can increase your CPM on Adsterra by optimizing your ad placements. You should target the right audience to get better results. You must use high-quality content that attracts more visitors. You need to choose the right ad formats. You can try pop-unders and native ads for better performance. You should monitor the performance of your ads regularly. You can test different ad sizes and designs to see what works best. You must focus on your traffic quality. You should consider using geo-targeting to reach high-paying countries. You can also increase your bid for better ad placement.