Glossary​

Ad unit - a unique entity that should be created on the ad network side to serve ads.

Waterfall Configuration - a unique entity that manages ad units positions and priorities.

eCPM (Effective Cost Per Mille) - the metric that helps measure the generated ad revenue from 1000 ad impressions.

Backfill - is a special ad network with zero eCPM.

Waterfall - a list of ad units sorted from top to bottom based on the historical eCPMs. With waterfall, when requesting an ad to fill, the best-performing ad networks appear at the top of the waterfall.

Network account - an account of the specific ad network that an app developer can link to their Appodeal account to simplify the process of showing ads.