Retention
리텐션
The share of people who come back after their first use.
Acquiring users who do not stay is a leaking bucket: the more you spend, the more you lose.
Read it by cohort: group everyone who arrived the same week and follow what share remains after one week and four.
The lever is the first experience. If day one shows no value, there is no day two. In a children's product, whether the child smiled on day one comes before any metric.
- How to read itCohort retention at one, four and twelve weeks.
- PriorityFix the first experience before buying more traffic.