Last updated March 2026
Top Three Quotes
• “Most websites lose. Almost all of them.”
• “Design that ignores customers is not design at all.”
• “Conversion rate optimization is web design done right.”
Book Theme
Making Websites Win focuses on conversion rate optimization as a customer-centric, research-driven discipline for designing websites that consistently increase sales, leads, and long-term business value. It argues that most web design fails because it prioritizes aesthetics, opinions, or trends instead of measurable customer behavior.
Why You Should Read This Book
• You should read this book if you want to increase website performance in a measurable, repeatable way rather than relying on guesswork.
• It provides a proven framework for diagnosing why websites fail and shows how to fix those failures using research, testing, and customer insight.
• The book is especially valuable if your website is already getting traffic but not converting at the level it should.
Key Ideas and Arguments Presented
• Most websites underperform because they are designed for internal opinions rather than customer needs.
• Conversion rate optimization has a disproportionate impact on profit, not just revenue.
• Small improvements across multiple steps in a funnel compound into dramatic gains.
• Testing removes opinion-driven decision making and replaces it with evidence.
• A/B testing measures success but does not generate good ideas on its own.
• Customer understanding must come before design changes.
• Large, insight-driven changes outperform small cosmetic tweaks.
• High-performing websites prioritize function over visual novelty.
• Lifetime customer value is a critical metric that is often ignored.
• CRO creates a virtuous cycle that enables growth in advertising, SEO, and competitive advantage.
Book Outline
• Section 1: Why Most Web Design Is Done Wrong and How to Do It Right
• Section 2: Diagnosis Tools and Techniques to Understand Visitors
• Section 3: Common Conversion Problems and Proven Solutions
• Section 4: A Detailed Case Study Demonstrating CRO in Action
Key Takeaways
• Customer-centric design consistently outperforms design driven by trends or aesthetics.
• Diagnosis must always come before solution.
• CRO is one of the fastest ways to improve profitability.
• Large improvements usually come from fixing fundamental issues, not polishing details.
• Testing protects businesses from costly mistakes.
• CRO skills are transferable across industries, platforms, and career paths.
Key Techniques
• DiPS framework: Diagnose, identify the Problem, then apply the Solution.
• A/B testing and multivariate testing to validate changes.
• Visitor research through analytics, surveys, user testing, and session recordings.
• Functional copywriting focused on clarity and persuasion.
• Funnel optimization for both early-stage and late-stage buyers.
• Risk reduction through guarantees, proof, and trust signals.
• Managing complexity in high-consideration purchase journeys.
Author’s Qualifications
• Dr. Karl Blanks holds a PhD from Cambridge and applies scientific methodology to marketing optimization.
• Ben Jesson is a conversion expert with extensive hands-on experience scaling online businesses.
• Together they founded Conversion Rate Experts, a global CRO consultancy.
• Their firm has worked across more than 80 industries, multiple languages, and dozens of countries.
• Conversion Rate Experts has generated billions in additional revenue for clients and received the UK Queen’s Award for Enterprise in Innovation.
Comparison to Similar Books
• Unlike general marketing books, this book focuses narrowly on conversion outcomes rather than broad strategy.
• Compared to analytics books, it emphasizes customer psychology and usability over dashboards and reports.
• Compared to design books, it rejects aesthetics as a primary goal unless supported by evidence.
• It complements books like Web Analytics 2.0 by focusing on action rather than measurement alone.
Target Audience
• Digital marketers responsible for website performance
• Conversion rate optimization practitioners
• Founders and startup teams
• Product managers and growth teams
• UX designers seeking measurable impact
• Executives overseeing digital strategy
Critical Response to the Book
• The book is widely praised for its practical, experience-based approach.
• Industry leaders highlight its focus on real results rather than theory.
• It is frequently cited as a foundational text for CRO professionals.
• Readers value its depth, though some note it requires commitment to fully apply.
One Sentence Takeaway
Making Websites Win shows that deeply understanding customers and rigorously testing solutions is the most reliable way to build websites that grow profitably and sustainably.
