← GlossaryPaid media
CPM
Also known as · Cost per Mille · Cost per 1000 Impressions
Cost per 1,000 ad impressions delivered.CPM is the cost per 1,000 ad impressions — used when paying for reach rather than clicks. Meta Advantage+, YouTube In-Stream, and most awareness campaigns bill on CPM. Compare CPM × CTR vs CPC to choose the right bid model for the goal.
Related terms
Other paid media terms.
ROAS
Revenue divided by ad spend for a given period or campaign.
CPC
Average paid amount per click in a campaign or ad set.
CTR
Clicks divided by impressions, expressed as a percentage.
LSA
Google's pay-per-lead format for local service businesses, showing above standard search results.
CAPI
Server-side conversion event sending that bypasses browser-side tracking limits.
ATT
Apple's 2021 iOS requirement that apps request explicit permission to track users across other apps and websites.
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