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ProductMetrics
Every product metric, explained — definitions, formulas, benchmarks, and the major measurement frameworks, written for product managers. Public, read-only, and free to cite.
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- llms.txt
- https://productmetrics.org/llms.txt
- llms-full.txt
- https://productmetrics.org/llms-full.txt
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- 4
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- 58
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- 10087 bytes
- Registered
- 2026-02-15
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- 2026-10-25T13:41:09.378Z
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Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-25T13:41:09.383Z. Cached copy · Source on productmetrics.org
# ProductMetrics
> Every product metric, explained — definitions, formulas, benchmarks, and the major measurement frameworks, written for product managers. Public, read-only, and free to cite.
ProductMetrics is a canonical reference for product and growth metrics: 44 metrics organized by the AARRR funnel (Acquisition, Activation, Retention, Revenue, Referral) plus Core Web Vitals, and 4 measurement frameworks (AARRR, HEART, North Star, OKRs). Company-specific claims and benchmark figures carry source citations and a last-reviewed date. The reference is free to read and cite: no login, no paywall, no tracking wall. A read-only JSON API mirrors every page. The site also runs an invite-only metrics platform whose live values render on the metric pages themselves.
## Metrics
- [Daily Active Users (DAU)](https://productmetrics.org/metrics/dau): Unique users who engage with your product in a single day.
- [Monthly Active Users (MAU)](https://productmetrics.org/metrics/mau): Unique users who engage with your product at least once in a month.
- [Sessions Per User (SPU)](https://productmetrics.org/metrics/spu): How often users return to your product in a given period.
- [Conversion Rate](https://productmetrics.org/metrics/conversion): Percentage of users who complete a goal action.
- [Feature Adoption Rate (FAR)](https://productmetrics.org/metrics/far): Percentage of eligible users who use a feature.
- [Customer Acquisition Cost (CAC)](https://productmetrics.org/metrics/cac): Total cost to acquire a paying customer.
- [Growth Accounting](https://productmetrics.org/metrics/growth-accounting): Breaking down user growth into its components. Reveals whether growth is healthy or hollow.
- [Activation Rate](https://productmetrics.org/metrics/activation): Percentage of new users who reach a meaningful first milestone.
- [Time-to-Value (TTV)](https://productmetrics.org/metrics/ttv): Time from signup to first "aha moment."
- [Trial-to-Paid Conversion Rate](https://productmetrics.org/metrics/trial): Percentage of trial users who become paying customers. The moment of truth for your value proposition.
- [Product-Qualified Leads (PQLs)](https://productmetrics.org/metrics/pql): Users whose product engagement signals conversion likelihood. Quality over quantity.
- [Day 1/7/30 Retention](https://productmetrics.org/metrics/nday): Percentage of users who return on specific days after signup. The clearest early signal of product-market fit.
- [Cohort Retention Curves](https://productmetrics.org/metrics/cohort): How retention changes over time for groups of users who joined together. The gold standard for retention analysis.
- [Customer Churn Rate](https://productmetrics.org/metrics/churn): Percentage of customers who leave. Critical insight: 5% monthly churn compounds to 46% annual churn.
- [Customer Retention Rate (CRR)](https://productmetrics.org/metrics/crr): Percentage of existing customers who stay.
- [DAU/MAU Ratio (Stickiness)](https://productmetrics.org/metrics/
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