Smart Bidding

Google's smart pricing feature is designed to give advertisers increased confidence when bidding on the AdSense network, and on the flip side it can result in higher bids for ads appearing on Google Ads. publisher's website.

Smart bidding is a set of automated bidding strategies that will optimize for conversions or conversion value in each and every auction. This feature can be automatically used on AdSense to get more conversions at the same cost per conversion as Google search.

In Content Ads - Best Practice

300×250px — Medium Rectangle
728×90px — Leaderboard
320×50px — Mobile banner

These 3 sizes are very popular in programmatic due to high demand by advertisers and because they yield higher CPM.