I've been with Mediavine before as well as Ezoic and I prefer Monumetric the very best. Mediavine basically forced tons and tons of ads on my pages and Ezoic is too tricky to set up and do well. Monumetric does it all for me and I love my rep!!
AdSense - Earn money with website monetization from Google AdSense. We'll optimize your ad sizes to give them more chance to be seen and clicked.
Ezoic - Improve & test ads, layouts, & content using artificial intelligence to increase website ad revenue & UX metrics. Google Adsense & Google Publishing Partner
Atlas by Facebook - Atlas by Facebook is an ad serving platform that also offers tools for marketers to serve, manage, track, and measure their campaigns.
Mediavine - Mediavine offers full service ad management including display ad optimization, video monetization and sponsored influencer marketing. We're here to help content creators build sustainable businesses.
PageFair - An ad serving technology for premium publisher and media groups.
AdThrive - AdThrive is an ad optimization solution just for bloggers.