Hartley's Handbook

Things I've learned from years inside startups and scaling companies.

Big Tech and startups, from the inside. Highly relevant for software engineers and managers, useful for those working in tech.

Web accessibility for developers. We talk about one WCAG guideline every week, plus free WCAG checklists when you join.

Essays on the endless journey of building products, teams, and ourselves.

A weekly advice column about building product, driving growth, and accelerating your career.

Let's us reflect deeply on leadership.