Sample frameDay 023·Growth · Metrics

Morning. Most companies are measuring the wrong thing. The right metric isn't revenue.

Growth.

North Star Metric

5 min read·Apply by lunch

The question

What is the single number that best captures the value your product delivers to customers — and is your whole team aligned on it?

The idea

The North Star Metric concept was popularised in Silicon Valley growth circles — Sean Ellis, who coined 'growth hacking,' and teams at companies like Airbnb, Slack, and Facebook developed it as an antidote to the proxy metric problem. A North Star Metric is the one metric that best captures the core value your product delivers to customers and has the strongest demonstrated correlation with long-term sustainable revenue. It is not revenue itself — revenue is a downstream consequence of value delivery, not a measure of it. It is not a vanity metric — registered users, app downloads, or page views don't tell you whether value was delivered. Airbnb's North Star is nights booked, not revenue, because a night booked means a guest had an experience and a host earned money. Slack's is daily active users who have sent 2,000 messages, because that threshold signals a team that has adopted Slack as infrastructure, not a trial. Facebook's was originally daily active users, but later became more nuanced around meaningful social interactions. The power of the North Star is alignment: when everyone in the company — product, marketing, sales, engineering — optimises for the same upstream metric, their work compounds rather than cancels. The trap is choosing a metric that's easy to measure rather than one that genuinely reflects value, or choosing one that can be gamed without delivering real customer benefit.

The framework

01
Find the value moment — the moment your product delivers.
The North Star Metric is downstream of the 'aha moment' — the point at which a new user first experiences the core value of the product. Facebook's was 'seven friends in ten days.' Dropbox's was when a user put a file in the Dropbox folder and saw it sync. Your North Star should capture whether and how often users are reaching and re-experiencing that moment. The test: if this metric goes up, are customers reliably getting more value? If yes, you've found the value signal. If the metric can go up without customers getting more value — users logging in but not doing anything meaningful — it's a proxy, not the North Star.
02
The North Star predicts revenue; revenue does not predict it.
The directionality matters. Revenue is a lagging indicator — it reflects decisions made 30, 90, or 180 days ago. A North Star Metric is a leading indicator: it tells you whether you're creating the conditions for future revenue before the revenue appears. This is what makes it operationally powerful. Teams can watch the North Star move in real time and diagnose problems before they hit the financial statements. When Airbnb's nights booked trend drops among a specific cohort, they can investigate and fix it before the revenue impact lands.
03
A single North Star requires difficult trade-offs.
One of the North Star's primary functions is forcing prioritisation conflicts to the surface. When a growth team's initiative increases sign-ups but doesn't move the North Star, that's an important signal. When a sales team wants to close a customer whose use case won't generate North Star activity, the metric creates a productive conversation about whether this is the right customer. Companies that try to run on multiple North Stars diffuse focus and allow teams to optimise independently without a shared view of value creation. The discomfort of committing to one metric is the point.
04
Decompose the North Star into input metrics.
The North Star sits at the top of a tree. Below it are the input metrics — the drivers that, when improved, reliably move the North Star. For Airbnb, nights booked decomposes into: search-to-booking conversion rate, listing quality and supply, repeat booking rate, geographic availability. Each of those is owned by a team and can be acted on. This decomposition is how the North Star becomes operational: the metric is visible at the company level, the input metrics give teams their specific lever. Without the decomposition, the North Star is an aspiration, not a management system.

Members only · 4 principles + template + AI mentor

364 more frameworks are waiting.

North Star Metric is Day 1 of 365. One framework every morning for a year — across strategy, sales, negotiation, leadership, and more.

$1 /day

Billed $365/yr · cancel any time

365 frameworks

12 topics · templates · AI mentor

Reserve your place — $365/yr →

One payment a year · the whole library · no auto-renewal.

More Growth frameworks

All 3 growth frameworks →