What is frequency capping in advertising?
How frequency capping works, how to choose a cap, and why it depends on recognizing readers.
Written by Samhub with the help of AI·Updated 13 Oct 2026·3 min readFrequency capping limits how many times the same person sees an ad or campaign in a period, such as three times per day.
Why cap frequency
Avoid annoyance
Seeing the same ad again and again irritates readers.
Spread the budget
Fewer repeats means more people reached.
Better results
Effect drops after a few exposures.
Example
Reach = impressions ÷ average frequency
Example: 600,000 impressions at frequency 3 = 200,000 people
Illustrative numbers.
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Capping needs identity
Caps work per browser or ID. Without cookies or logins, the same reader looks like several people and sees the ad more often than planned. Logged-in readers make capping accurate.
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Frequently asked questions
It depends on the goal. Awareness campaigns often use a few exposures per week.
Less well, unless readers are recognized by login or ID.
No. Frequency is how often each person sees the ad; reach is how many people.
Related terms
How many ads were shown versus how many people saw them.
One ad shown once.
A shared identifier that can replace third-party cookies.
Readers who are signed in to your site or app.
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