term: CPM
CPM Definition - Internet Marketing Glossary

Definition of CPM

CPM is an acronym for Cost-Per-Thousand. Many online ads are priced on a CPM basis in which the cost is expressed for 1000 impressions. E.g. If a banner advertisement is placed at the price of $20/M then the CPM is $20, or $20 for 1000 impressions.

Most search engine ads charge based on the number of ad clicks (PPC) instead of impressions.

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