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North Star Metric Design

A repeatable framework for identifying the single metric that best captures your product's core value delivery.

What is a North Star Metric?

A North Star Metric (NSM) is the one number that best reflects how much value your product delivers to users. It is not revenue. It is not DAU. It is the behavioral proxy for the moment your product actually works for someone.

The Three Gates

A candidate NSM must pass three filters:

  • 1Value delivery. Does this metric rise when a user gets the core job done? If it goes up but the user got no value, it fails.
  • 2Leading indicator. Does it move before revenue or retention do? Lagging metrics are dashboards, not North Stars.
  • 3Actionable. Can a team ship something on Friday and see the needle move by Monday? If the feedback loop is quarterly, it is not a North Star.

The Input Map

Once you have the NSM, decompose it into 3–5 input levers that engineering and design can directly influence. Each lever gets a counter-metric to prevent gaming.

LeverCounter-metric
Activation rateSupport ticket spike
Session depthTime-to-value regression
Weekly cadenceNotification opt-out rate

Common Mistakes

  • Picking a metric the CEO likes instead of one that survives the three gates.
  • Choosing a ratio where numerator and denominator move in opposite directions, masking real trends.
  • Setting the NSM and never revisiting it — product surface area changes, and the NSM must follow.