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Retention cohorts group your contacts by the week they signed up, then track how many of each week’s group are still engaging in the weeks that follow. It’s the classic triangle chart for spotting whether newer cohorts stick around better or worse than older ones.

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What you can adjust

Weeks of history. Choose how many weeks of the retention curve to follow for each cohort, up to 26.

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What it shows

Each row is one signup week. Reading across, you see how many of that week’s contacts were still engaged one week later, two weeks later, and so on. The first column is always the full size of the cohort, and because each column counts everyone still engaged from that point onward, the curve only ever holds steady or falls as you move right. Cohorts are built from each contact’s signup week versus the last time they engaged.

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Powers

The Retention cohort triangle on the analytics dashboard, each row a signup week, each column a week-offset retention percentage.