PAY PER IMPRESSION

Pay per impression programs pay you on the basis of the number of ads you show rather than any other criteria required from the users side, like clicks, signups etx. Pay per impression are the safest mode of advertisement. Which is :-

1. Cheaper for the Advertiser (since the rates are low but are less reliable)
2. Quite reliable for Publisher but low paying. Publishers dont have to worry about clicks or signups.

CPM : Cost per M Here, M=1000 (Roman Letter)

Since, calculation of Ads or no. of impressions delievered on per ad basis is difficult, Advertisers use the word CPM i.e. Cost per