CPM stands for “cost per thousand” and is a pricing model where the advertiser pays for every 1,000 impressions of their ad. Impressions refer to the number of times an ad is displayed, regardless of whether it was clicked on or not.
CPC stands for “cost per click” and is a pricing model where the advertiser pays for every click on their ad. This means that the advertiser only pays when a user clicks on the ad, rather than when it is simply displayed.
CPA stands for “cost per action” and is a pricing model where the advertiser pays for a specific action, such as a sale or a lead. This means that the advertiser only pays when a user takes a specific desired action, rather than simply clicking on the ad.