105 Best Resources for Conversion Rate Optimization (CRO)


Conversion Rate Optimization, or CRO, is the process of using data and user feedback to increase the percentage of visitors to a website that take any desired action. It is a scientific approach to optimizing websites and sale processes, and enables companies to convert more website visitors to customers.

Our team has scoured the internet for the best books, guides, tools, blogs, and resources on Conversion Rate Optimization. This is your one-stop destination for everything about CRO.

Best Books on Conversion Rate Optimization

It's overwhelming to learn Conversion Rate Optimization, or CRO, from blogs as they churn out hundreds of articles every day. I strongly believe reading books remains the best way to learn in the age of blogs and YouTube (updated and relevant ones, of course).

Here are the seven best books on CRO that I have personally read and highly recommend.

1. Landing Page Optimization: The Definitive Guide to Testing and Tuning for Conversions, 2nd Edition (2012)

By Tim Ash, Rich Page, and Maura Ginty

This second edition of a bestselling guide to landing page optimization is a comprehensive guide to increasing conversions and improving profits.

It includes case studies with before-and-after results as well as new information on web site usability. It covers how to prepare all types of content for testing, how to interpret results, recognize the seven common design mistakes, and much more. Included is a gift card for Google AdWords.

  • Features fully updated information and case studies on landing page optimization

  • Shows how to use Google's Website Optimizer tool, what to test and how to prepare your site for testing, the pros and cons of different test strategies, how to interpret results, and common site design mistake

  • Provides a step-by-step implementation plan and advice on getting support and resources

2. You Should Test That

By Chris Goward

This book guides you through creating an optimization strategy that supports your business goals, using appropriate analytics tools, generating quality testing ideas, running online experiments, and making the adjustments that work.

  • Conversion optimization is part science and part art; this guide provides step-by-step guidance to help you optimize your website for maximum conversion rates

  • Explains how to analyze data, prioritize experiment opportunities, and choose the right testing methods

  • Helps you learn what to adjust, how to do it, and how to analyze the results

  • Features hands-on exercises, case studies, and a full-color insert reinforcing key tactics

  • Author has used these techniques to assist Fortune 500 clients

The book explains both the "why" and the "how" of conversion optimization, helping you maximize the value of your website.

3. How to Build Websites that Sell: The Scientific Approach to Websites

By Peep Laja

This book will teach you how to build your website in such a way that it converts visitors into leads or buyers.