Definition
The two fundamental metrics of advertising campaigns: reach measures how many unique people see your ad, while frequency measures how many times they see it. The eternal balancing act between annoying everyone once versus annoying some people repeatedly.
Example Usage
Our reach and frequency analysis shows we're hitting 2 million people with an average of 3.5 exposures, which is perfect for brand recall and just short of restraining order territory.
Origin
Classic advertising measurement framework from traditional media planning in the mid-20th century
Fun Fact
The ideal frequency is hotly debated, but research suggests 3-7 exposures is optimal—beyond that you're just burning money and goodwill.
Related Terms
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