What are CPM ads?
Stands for “Cost Per 1,000 Impressions,” and is used in online advertising. CPM defines the average amount of revenue a web publisher receives for every 1,000 impressions on his website. An impression is counted each time an advertisement is shown. While some advertisers pay publishers an amount based strictly on impressions, most advertisers pay for individual clicks or leads generated from their advertisements. Therefore, CPM is typically an average of the revenue generated from clicks or leads for every 1,000 ads shown.