Drawer 11 · 316 notes · 58 people · 2005–2026

Metrics, data & experimentation

North-star metrics, analytics, A/B tests, and data-informed decisions

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Answers from Metrics, data & experimentation notes, cited
producthabits.com · Hiten ShahNov 21, 2018

Net Promoter Score, The Ecstasy of Business Metrics?

Nov 21, 2018 · 7 min

“Net Promoter Score® (NPS) has come under scrutiny. Everything from the way it’s calculated, the 11-point scale used in the survey, and its lack of correlation to company growth. “It… Keep reading The post Net Promoter Score, The Ecstasy of Business Metrics? appeared first on Product Habits.”

Lenny’s Newsletter · Free post♥ 250

What is a good activation rate

Oct 25, 2022 · 14 min

Lenny Rachitsky and growth advisor Yuriy Timen ran a benchmarking survey of over 500 product teams to answer what counts as a good activation rate. The article defines activation as the share of new users who reach a…

produxlabs.com · Melissa PerriJul 16, 2020

Why Product Leaders Need Product Operations

Jul 16, 2020 · 7 min

Cheryl Michael, CPO of CentralReach, argues that product leaders who want to act with confidence need a structured, data-driven approach to product operations rather than relying on intuition alone. She frames product…

Product Talk · Teresa TorresJun 27, 2013

Setting Product Goals

Jun 27, 2013 · 4 min

Teresa Torres walks through how she sets quarterly product goals for her team, focusing on the most valuable thing the business needs next. She shows three quarters of goals that changed as her understanding grew: first…

SVPG · Marty CaganSep 4, 2017

Leveraging Data Science

Sep 4, 2017 · 4 min

Cagan argues that many product companies have yet to seriously consider data science, even though leading firms are already gaining advantages from it. He distinguishes data science from traditional analytics by its…

Lenny’s Newsletter♥ 54

How to increase your product's retention

Aug 25, 2020 · 14 min
Subscriber post — summary only

Lenny explains how to measure retention using cohort charts, and why a curve that flattens signals product-market fit. He then lays out seven levers for improving retention, ranked by expected impact: improving the…

SVPG · Marty CaganSep 8, 2009

Product Discovery vs. Product Optimization

Sep 8, 2009 · 4 min

Cagan argues that product teams need two distinct disciplines: Product Discovery, which uses prototyping and user testing to find new valuable, usable, feasible solutions, and Product Optimization, which improves an…

Medium · Hiten ShahNov 21, 2025

The History of Website Heatmaps

Nov 21, 2025 · 25 min

This essay traces how website heatmaps emerged from a blind spot in early web analytics, which counted page destinations rather than the actual interactions visitors made. Two identically destined links were merged into…

Product Talk · Teresa TorresJul 17, 2013

Be Prepared To Be Wrong

Jul 17, 2013

Teresa Torres argues that product builders consistently overestimate how right they are, drawing on behavioral research and the Heath brothers' book Decisive, which describes four decision-making traps: narrow framing…

Lenny’s Newsletter♥ 17

How to run SEO experiments

Dec 15, 2020 · 16 min
Subscriber post — summary only

Brian Ta, a former SEO lead at Airbnb, Strava, and AngelList, explains how to run SEO experiments on sites with thousands of programmatic pages. He argues SEO tests must be bucketed at the page level rather than the…