Cost Per Action (CPA) definition

Cost Per Action (CPA)

CPA is the amount spent to drive a specific user action (e.g., a subscription, sign-up, or in-app purchase). It’s commonly used in performance-based advertising models.

Metrics

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Ad Fraud and Scamming in Digital Advertising Glossary

Ads.txt / App-ads.txt Glossary

Mobile Advertising Glossary: Metrics and KPIs

oRTB Glossary

OTT / CTV Programmatic advertising glossary

Performance Marketing Glossary

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KPIs

Measurement Frameworks

Metrics

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A ⁽⁹⁾B ⁽²⁾C ⁽¹⁰⁾D ⁽²⁾E ⁽¹⁾F ⁽²⁾I ⁽⁵⁾L ⁽³⁾M ⁽²⁾P ⁽¹⁾R ⁽²⁾S ⁽⁵⁾U ⁽¹⁾V ⁽¹⁾W ⁽¹⁾

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More terms of Metrics

Monthly Active Users (MAU) mobile-advertising-glossary-metrics

MAU is the number of unique users interacting with the app over a 30-day period. It's a standard metric for user base size and growth.

Metrics

Install mobile-advertising-glossary-metrics

In mobile advertising, an install refers specifically to when a user downloads and successfully installs an app on their device, often following an ad interaction.

Metrics

Audible On/Off mobile-advertising-glossary-metrics

Indicates whether video/audio ads were played with sound on. This can impact engagement and brand recall.

Metrics

Video Duration Metrics mobile-advertising-glossary-metrics

Measures how much of a video ad was watched (e.g., quartile completion, full views, duration rate). Key for video campaign evaluation.

Metrics

DAU/MAU Ratio mobile-advertising-glossary-metrics

This metric indicates user stickiness or loyalty. A DAU/MAU ratio closer to 1 means users return frequently throughout the month.

Metrics

Attention Metrics mobile-advertising-glossary-metrics

Metrics that assess how much attention users give to an ad, using data signals like eye tracking, time in-view, or interaction depth.

Metrics

Audio Duration mobile-advertising-glossary-metrics

Captures how long a user listens to an audio ad (e.g., complete plays, average duration, listen-through rate).

Metrics

Ad Frequency mobile-advertising-glossary-metrics

The average number of times an ad is served to the same user. Helps assess saturation and avoid ad fatigue.

Metrics

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