Book

Don't Make Me Think, Revisited: A Common Sense Approach to Web Usability

Steve Krug · sensible.com Paid Beginner

The foundational usability book behind nearly every CRO checklist in this category - if your checkout or navigation makes a shopper stop and think, you've already lost the order, and this is the clearest explanation of why.

• Core rule: a page should require close to zero conscious thought to use.
• Over 700,000 copies sold - the principles have held up across two decades of web and mobile design.
• Short and practical enough to read in an evening and apply the next day.