CPA (Cost Per Action)

Definition

What you pay each time someone completes a specific action—purchase, signup, download, etc. It's the advertiser's way of only paying for results that actually matter.

Example Usage

We're running on CPA pricing, so if nobody signs up for our newsletter, we don't pay Facebook a dime.

Origin

Performance-based advertising model, emerged as alternative to impression-based pricing

Fun Fact

CPA campaigns require much stricter conversion tracking, which means more technical setup but better financial accountability

Source: Performance Marketing Standards

Related Terms

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geotargeting

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lift study

A controlled experiment measuring whether your advertising actually moved the needle or if you just wasted money shouting into the void. Compares exposed audiences to control groups to determine incremental impact.

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The magical moment when a potential customer stops browsing and actually opens their wallet, transforming from a tire-kicker into someone who validates your entire marketing budget. In digital marketing, this is the holy grail event—whether it's a purchase, sign-up, download, or any other action that proves people don't just tolerate your ads, they actually respond to them. Every marketer's favorite verb and the metric their job security depends on.

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virtue signaling

When companies publicly support social causes to appear ethical while doing nothing substantive behind the scenes. It's performative activism designed to boost brand image without affecting the bottom line or requiring actual change.

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seminal

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