Glossary · Letter C

CPM (Cost per Mille/Cost per 1,000 Impressions)

Cost to display an ad 1,000 times, used to quantify the effectiveness of advertising campaigns. CPM is a widely used measure of online advertising, which...

What is CPM (Cost per Mille/Cost per 1,000 Impressions)?

Cost to display an ad 1,000 times, used to quantify the effectiveness of advertising campaigns. CPM is a widely used measure of online advertising, which can enable advertisers to compare the cost per thousand impressions of different campaigns and sites. Lower CPM values typically indicate lower-cost reach, though they do not guarantee engagement or conversion.

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