A
Impression
Impression
Image 1 An advertisement's (usually a banner ad) appearance on a web page. Ad space is often sold on a CPM basis.
Image 2 For example, if the page you're on shows five ads, that's 5 impressions. On this particular page there are 2 impressions, one for the banner at the top and one for the banner on the bottom of the page.


Banner Advertising

Click Through Rates

CPC

CPM