Marketing ROI Glossary

A/B testing: Comparative testing that varies only one message element at a time.

acquisition cost: The total cost of acquiring a new customer.

buzz: A measure of “word-of-mouth” marketing and product reputation, representing excitement and conversation about a product or service.

click-through rate (CTR): The percentage of views on a web page that resulted in a desired click.

conversion: Generally, the purchase of a product or service by a web visitor. May also be used to define the completion of a desirable activity by a web visitor, such as site registration or newsletter subscription.

CPA (cost per action): The cost of generating a desired user click or purchase.

CPC (cost per click): How much is paid for the resulting ...

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