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Book Summary

Don't Make Me Think

By Steve Krug

15 min
Audio available Video available

Brief Summary

Don’t Make Me Think remains a foundational text because it bridges design theory with human psychology. Krug’s central message is timeless: the best digital experiences feel effortless.

A great website doesn’t show off complexity—it hides it. It guides users instinctively, making every action clear and satisfying. When users don’t notice the design, that’s when it’s working perfectly.

These principles—clarity, simplicity, familiarity, and continuous testing—have influenced countless digital products from Amazon to Airbnb. Whether you’re designing an app, a landing page, or a checkout flow, Krug’s mantra still applies: make it intuitive, make it fast, and never make them think.

About the Author

Steve Krug is a veteran usability consultant and founder of Advanced Common Sense, a firm that has advised clients like Apple, NPR, and the International Monetary Fund. With over 25 years of experience, Krug has been at the forefront of the usability movement since the early days of the web.

First published in 2000 and updated in 2013, Don’t Make Me Think has sold hundreds of thousands of copies and is used in universities and design teams worldwide. Krug’s follow-up, Rocket Surgery Made Easy, provides a practical guide to low-cost usability testing.

Known for his humor and straightforward style, Krug transformed how people think about design—not as decoration, but as communication. His enduring lesson: great design is invisible, effortless, and human.

Don't Make Me Think Book Summary Preview

Steve Krug’s Don’t Make Me Think revolutionized how designers approach usability by introducing a simple yet profound rule: if users have to stop and think about how to use your website, you’ve failed them. Every design decision—from button placement to menu structure—should make the next step obvious.

Krug argues that people online behave like “lazy but clever” hunters. They don’t read instructions or explore deeply—they rely on instinct and visual cues. If something looks clickable, they’ll click it; if it doesn’t work as expected, they’ll leave. The average user’s patience is measured in seconds.

He illustrates this with examples like online forms that ask for unnecessary information. Imagine a form that requires you to enter your middle name or confirm your email address twice. Those small annoyances add up, making users feel frustrated and disrespected. In contrast, services like Stripe’s checkout flow succeed because they minimize friction—few fields, clear progress bars, and immediate confirmation.

Krug’s “First Law of Usability”— Don’t make me think —isn’t about dumbing things down. It’s about eliminating cognitive friction, the mental effort required to interpret what should be obvious.

How Users Actually Use Websites

Krug dismantles the myth that users carefully read and evaluate everything on a page. In reality, they act impulsively. He observes that users:

  • Scan, don’t read. People glance around for recognizable words, icons, or patterns.

  • Satisfice, don’t optimize. They click the first reasonable option instead of comparing all available choices.

  • Act fast. They’re on autopilot, trusting instinct over logic.

  • He compares this to how we shop in supermarkets. You don’t study every cereal box—you grab the one with the color or logo you recognize. Similarly, online users look for the first link that feels right.

    For example, if someone visits an airline website to find baggage fees, they’ll scan for a word like “Baggage,” “Travel Info,” or “Help.” If none of these appear quickly, they’ll hit the back button.

    Krug advises designers to embrace this behavior rather than fight it. That means:

    • Using clear, familiar labels. Avoid cleverness—“Our Story” is better than “The Journey Begins.”

    • Structuring pages for scanning. Break text into chunks, use headings, and highlight keywords.

    • Front-loading key information. Follow the journalistic “inverted pyramid” model—start with the most important message.

    A prime example is BBC News, where every story starts with a short summary and bold headline. Readers can skim dozens of stories and still grasp the essentials.

    Visual Hierarchy: Directing Attention

    Krug emphasizes that visual hierarchy is usability made visible. It’s how you tell users what’s important without words.

    Hierarchy is established through:

    • Size and weight: Larger or bolder elements attract the eye.

    • Color and contrast: Bright colors highlight calls to action.

    • Spacing and grouping: Related items should appear together.

    • Position: Users naturally scan in patterns—left to right, top to bottom.

    For instance, on a Netflix homepage, the “Play” button stands out in bright red against darker backgrounds. Users don’t need to read instructions—they intuitively know what to click. Similarly, Amazon’s “Add to Cart” button is large and brightly colored, making it the visual endpoint of every product page.

    Krug also warns against overloading pages with too many competing focal points. When ...

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