Reach

The number of unique people who are exposed to a piece of content, campaign, or advertisement. A measure of audience size rather than the total number of times content was

Website visits that arrive through links on other websites rather than through search engines or direct navigation. A useful measure of traffic generated by partnerships, media coverage, directories, and backlinks.

The revenue attributed to advertising divided by the amount spent on that advertising. A campaign efficiency metric used to compare financial return with media cost.

A measure comparing the financial benefit of an activity with the cost required to produce it. A broad business metric for judging whether an investment created sufficient value.

Return on ad spend; the revenue attributed to advertising divided by the amount spent on that advertising. A practical metric for evaluating the direct revenue efficiency of paid media.

A quantifiable measurement used to track activity, behavior, or performance. A metric becomes a KPI when it is selected as a key indicator of an important objective.

KPI

Key performance indicator; a measurable value used to evaluate progress toward a specific business or marketing objective. A focused metric selected because it directly reflects meaningful success.

An attribution model that gives all conversion credit to the final recorded marketing interaction before the conversion. A simple model that emphasizes the touchpoint closest to the decision.

The estimated total value a customer contributes to a business throughout the entire relationship. A long-term metric used to guide acquisition, retention, and service investment.

The percentage of people who interact with content relative to its audience size, reach, impressions, or another chosen base. A comparative measure of how actively an audience responds to content.