North star

North Star Metric

What Is the North Star Metric

The NSM is the single metric that best captures the core value your product delivers to customers — and predicts long-term revenue.

NSM Criteria (must satisfy all)

• Reflects customer value: measures the value customers get, not just usage
• Leads to revenue: correlates with retention, expansion, or acquisition
• Actionable: product team can move it through their work
• Understandable: any team member can explain it in one sentence
• Measurable: can be tracked with existing or buildable instrumentation
• Not a vanity metric: moving it means something real

NSM vs Revenue

Revenue is a lagging indicator — it tells you what happened. NSM tells you what's coming.

NSM (leading) → Retention → Revenue (lagging)

If NSM is growing:  revenue will follow
If NSM is flat:     revenue growth will slow
If NSM is falling:  revenue problem is coming

NSM Examples by Business Model

Product	NSM	Why
Slack	Messages sent per active team	Measures real collaboration value
Airbnb	Nights booked	Captures value for both hosts and guests
Spotify	Time spent listening	Reflects engagement and habit formation
LinkedIn	Weekly active users who view a feed story	Captures core network value
HubSpot	Contacts reached per week	Measures marketing activity value
Duolingo	Daily Active Users completing a lesson	Habit + progress
Figma	Collaborators on a file	Network effect and value delivered

NSM Definition Workshop

Step 1: Value Moments (30 min, team exercise)

"When does a customer get undeniable value from our product?" Write each moment on a sticky note. Cluster by theme.

Step 2: Candidate Metrics (20 min)

Convert top value moments to measurable metrics. For each: can we measure it? does it lead to retention?

Step 3: Filter Against Criteria (20 min)

Score each candidate 1–5 on: reflects value / leads to revenue / actionable / understandable / measurable. Drop any below 3 on any criterion.

Step 4: Validate with Data (1 week)

Correlate candidates with D90 retention in your data. Pick the one with strongest correlation.

Step 5: Gut Check Questions

• Would we be comfortable if this was the only metric our board saw?
• Could every team (eng, design, CS) explain how their work connects to it?
• If this metric goes up while revenue goes down, would we be worried?

Input Metric Tree

The NSM is influenced by input metrics. Map them as a tree.

NSM: Weekly active projects per team
│
├── Acquisition inputs
│   ├── New team signups per week
│   └── Invite acceptance rate
│
├── Activation inputs
│   ├── % teams creating first project in Day 1
│   └── Time-to-first-project (median)
│
├── Engagement inputs
│   ├── % teams with ≥1 active project per week
│   └── Projects created per active team
│
└── Retention inputs
    ├── D30 team retention
    └── % teams returning after 2-week gap

Input Metric Rules

• Each input must have a clear owner (team or person)
• Inputs should be measurable independently of the NSM
• Prioritize inputs by: impact on NSM × ease of improvement
• Review tree quarterly — inputs drift as product evolves

Leading vs Lagging Indicators

Type	Timing	Example
Leading	Predicts future	Feature adoption, activation rate
Coincident	Moves with business	DAU, weekly sessions
Lagging	Confirms what happened	Revenue, churn rate, NPS

Diagnostic Sequence

When NSM drops:

1. Check acquisition inputs → is volume down?
2. Check activation inputs → are new users failing to activate?
3. Check engagement inputs → are existing users using less?
4. Check retention inputs → are teams churning faster?
5. Segment by: cohort, plan, geography, acquisition channel

Vanity Metric Identification

Vanity Metric Signals

• Metric always goes up regardless of product decisions
• Team cannot take a direct action to improve it
• Improvement doesn't correlate with revenue or retention
• Easy to game without delivering value

Common Vanity Metrics → Better Alternatives

Vanity metric	Better alternative
Total registered users	Weekly active users
Total page views	Sessions per user
App downloads	DAU
Email opens	Replies or clicks
Press mentions	Referral traffic from press
Social followers	Engagement rate

NSM-to-Roadmap Alignment

Every roadmap item should connect to the NSM.

Connection Template

Initiative: [Project name]
Problem: [What user pain or behavior gap exists]
Hypothesis: If we [do X], [input metric Y] will improve by Z%,
            which will contribute to [NSM] improving by ~N%.
Measurement: [How we'll know it worked]

Roadmap Review Checklist

Before adding a project to roadmap:

• Which input metric does this improve?
• How does that input connect to the NSM?
• What's the estimated NSM impact?
• How will we measure success?

Metric Decay Detection

NSMs can become obsolete as the product evolves.

Signs Your NSM Needs Updating

• NSM is growing but revenue is flat or declining
• NSM can be gamed without delivering real value
• Product has evolved significantly since NSM was defined
• New user segments have different value patterns
• NSM correlation with retention has dropped below 0.7

Update Cadence

• Review NSM relevance annually
• Full redefinition workshop every 2–3 years or after major pivot
• Document the old NSM and why it was changed