By the Numbers · Track 1
Measure Twice
Jazz-Pop · Patient, cool, quietly devastating
Olga Berezovsky · How to measure cohort retention
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“Retention is both the most important and the least understood metric at most companies. In my experience, it takes up to six months to nail accurate retention reporting.”- Olga Berezovsky
The Story Behind This Song
Olga Berezovsky, a data analyst with 10+ years of experience, wrote this guide for Lenny after being shocked that no comprehensive guide existed for measuring cohort retention. At Change.org, by monitoring Day 7 and Day 30 retention of petition starters, her team grew 'petition starters per day' by 450%. The post reveals how most companies define 'active' wrong — overcounting with visits and logins instead of tracking the main user action.
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How to measure cohort retention
Olga BerezovskyNewsletter
How to increase your product's retention
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