Activation Rate
In one line
Activation rate is the share of new signups who reach a defined 'first value' moment shortly after joining — the cleanest read on onboarding quality.
Going deeper
Activation rate is the share of new signups who hit a defined 'first value' action within a short window. Slack's 2,000-message threshold, Facebook's seven friends in ten days and Notion's first-page-created event are the canonical examples.
Most frameworks place Activation in the second slot of AARRR, but in practice it is usually the highest-leverage step. Lifting activation a few points tends to pay back better than scaling the top of the funnel.
The definition is product-specific, and getting it wrong shows up immediately. If you pick the wrong action, activation rises while retention stays flat — a clear sign the metric isn't tied to real value. The right starting point is usually a data-driven hunt for the action most correlated with long-term retention.
Related terms
AARRR
AARRR — Acquisition, Activation, Retention, Referral, Revenue — is the five-stage growth metrics framework popularised by Dave McClure and used as the default scaffolding for growth teams.
MarketingRetention
Retention is the share of users who continue to use or purchase from your product over time after their first touch — a primary signal of long-term product health.
MarketingNorth Star Metric
A north star metric (NSM) is the single number that best captures the core value your product delivers to customers, used to align decisions across the whole company.
MarketingPMF
Product-market fit (PMF) is the state where a product clearly satisfies a real market demand — usage compounds, churn drops and word of mouth starts doing real work.
MarketingGrowth Hacking
Growth hacking is the discipline that combines data, rapid experimentation and product changes to find scalable levers for user and revenue growth.
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