Article · 10 min read

Key Startup Metrics

Y Combinator Startup Library Free Beginner

A short, no-nonsense walkthrough of which handful of numbers actually matter at your stage, straight from YC's own coaching material. It's the right first stop if you've never set up a metrics dashboard and don't know where to start.

  • The right metric changes with your stage, not just your business model
  • Growth rate and retention matter more than absolute totals
  • Pick a small set of numbers you check every week, not a wall of charts

The question it answers

  1. How do I actually measure whether a launch worked, beyond the vanity upvotes and traffic spike?

Read with it

  1. The nuanced counterweight: PMF isn't a single binary moment, it can be lost, and 'market' is doing more work than founders... a16z.com Article · ~20 min read 12 Things About Product-Market Fit Andreessen Horowitz (a16z)
  2. The reference primer on the metrics and market-sizing logic investors use, including bottom-up market sizing that keeps... a16z Article · ~15 min read 16 Startup Metrics Andreessen Horowitz (a16z)
  3. The origin text for the modern MVP and validated-learning vocabulary every founder now uses. Read it for the mental model that... theleanstartup.com Book · ~330 pages The Lean Startup Eric Ries
  4. The definitive talk that reframes launching from a one-shot event into a repeatable tactic, exactly this category's thesis. YC... YC Startup Library Video · ~25 min How to Launch (Again and Again) Kat Manalac (Y Combinator)
  5. When there is no category report to point at, you have to build the number yourself, and this is the essay that teaches you... Andreessen Horowitz Essay · ~20 min read 16 More Startup Metrics Anu Hariharan, Frank Chen, Jeff Jordan
  6. PostHog gives you product analytics and session replay in one place, so you can see both what people did (events, funnels) and... posthog.com Tool PostHog PostHog
eChai Partner Brands The partnership →