Definitions

CPM

Cost Per Mile. This is the cost of 1000 ad impressions

eCPM

Effective Cost Per Mille. This value is used to determine the effectiveness of your ads based on a combination of cost per 1000 impressions (CPM) and bid price.

CTR

Click Ratio is a percentage of clicks made by visitors.

RON traffic

Run Out Of Network traffic is a traffic from all the network, except traffic from sites, that are bought directly. You can choose to buy ads from a specific site or RON ads.