09.6.4 · Skill in Growth economics

Channel performance

Comparing channels on cost, volume and quality of users.

Channel performance looks beyond volume to the retention and value of the users each channel brings. A cheap channel that brings users who leave is expensive. Cohorts by channel make the difference visible.

Your status · Channel performance

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Resources

articleStart here
The complete guide to cohort analysis ↗
Amplitude · 2026 · 20 min
How cohorts work, how to read a retention grid, and common mistakes such as cohorts that are too broad.

Tools

none yet

Tools for this topic are being researched.