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!!
Ezoic - Improve & test ads, layouts, & content using artificial intelligence to increase website ad revenue & UX metrics. Google Adsense & Google Publishing Partner
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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.
33Across - 33Across is a publisher monetization and traffic platform that powers the largest and fastest growing publishers to create traffic & revenue
AdThrive - AdThrive is an ad optimization solution just for bloggers.
Coinis - Coinis is an ad-tech company providing unique monetization solutions to its affiliates and publishers while providing its advertisers highly engaging ad units powered by precise targeting.