CPM
Also known as cost per mille, cost per thousand
CPM is the price of advertising per thousand impressions.
Why It Matters
It is the standard unit for comparing the value of audiences, and the gap between premium and open-market CPMs is where publisher strategy is decided.
Related Terms
- CPCCPC is the price an advertiser pays each time someone clicks an advertisement.
- CPACPA is the cost of advertising per completed action, such as a sale or a sign-up.
- Ad InventoryAd inventory is the advertising space a publisher has to sell, counted in impressions across its pages and products.
- Programmatic AdvertisingProgrammatic advertising is the automated buying and selling of advertising space, with each impression auctioned in the moment a page loads.
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