The North Star Metric is the key indicator that best expresses the core value a product delivers to its customers. Unlike financial metrics, which are lagging indicators, the North Star Metric is a leading indicator of growth and retention. For a metric to be considered a “North Star,” it must meet three requirements: generate revenue, reflect customer perceived value, and measure the progress of the company's strategy. Focusing exclusively on this metric helps align all departments of the startup (Product, Engineering, Marketing, and Sales) towards a common goal, preventing the dispersion of efforts on vanity metrics. In the context of Venture Capital, investors observe the evolution of this indicator to understand if the startup is indeed solving the user's problem with recurrence and at scale.
Practical Example: On a streaming platform like Netflix, the North Star Metric is not the number of new subscribers, but rather the total time spent content visualization. If users spend more time watching videos, it indicates that they find value in the service, which reduces the likelihood of churn and justifies maintaining the monthly subscription. For Airbnb, the metric is the Number of nights booked, which directly connects guest success (finding a stay) with host success (renting out the property) and company revenue.
Bonus Tip! Read the book “Hacking Growth: The Innovative Marketing Strategy of the Fastest-Growing Companies”, by Sean Ellis and Morgan Brown.
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