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The Lean Product Playbook

The Lean Product Playbook

how to apply Lean Startup to build products that people love [Books]

Education·Launched Jun 2015·0 upvotes·leanproductplaybook.com

▲Upvote0 Visit Website↗

ALIVEverified Jul 11, 2026 · HTTP 200

CohortClass of 2015

What it is

how to apply Lean Startup to build products that people love [Books]

HTTP liveness

9 probes since Jun 16

Jun 16Jul 11

AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub

Jun 16, 2026
First probe — live
Alive · 200 OK

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Upvotes

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Press

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Tags

paid only solopreneurs

Pulse Indexobserved activity

9 probes0 pressGitHub –Tranco –

Not enough observed signals for a Pulse Index (needs 2+ signal families).

Cohort survival · Class of 2015weekly

12,940 products launched in 2015 · 100% still active

12,899 active41 sunset

Still active

100%

Median lifespan

4.9y