Growth Hacker Marketing - Ryan Holiday's book, re-released and expanded
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
Top of the Lyne - Growth strategies and the weekly news from the best product-led SaaS companies (Figma, Calendly, Notion, and more) for founders and growth leaders!
StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
GrowthHackList - 100+ curated growth hacks for makers + early stage startups
Histats - Start tracking your visitors in 1 minute!