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
Clickky - Clickky is a full-stack platform for mobile advertisers and publishers, with the current focus on its own SSP and the RTB Marketplace.
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.
CodeFuel - CodeFuel content and search monetization allows content publishers to create new revenue streams and advertisers to hit targeted audiences.
AdThrive - AdThrive is an ad optimization solution just for bloggers.
Sovrn - Sovrn offers insights, audience access and advertising solutions for publishers.