Laws of UX Book Summary - Laws of UX Book explained in key points
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Laws of UX summary

Jon Yablonski

Design Principles for Persuasive and Ethical Products

4.6 (51 ratings)
15 mins

Brief summary

Laws of UX by Jon Yablonski is a practical guide that explores the principles of user experience design. It offers valuable insights and examples to help designers create effective and intuitive digital experiences.

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    Laws of UX
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    Jakob's Law & Fitts’s Law

    Let’s kick things off with two essential principles, Jakob's Law and Fitts's Law, which guide designers in creating user-friendly experiences.

    Jakob's Law states that users spend most of their online time on familiar websites and prefer new sites to function similarly. Just like we expect doors to have handles, or light switches to be located by entryways, users expect certain design conventions based on past experiences.

    This principle encourages designers to follow conventions, ensuring users can focus on content, messaging, or products rather than struggling with interfaces. Essentially, it's about minimizing mental effort. Designers rely on common patterns like navigation and search bars, making it easier for users to accomplish tasks without relearning everything.

    This doesn't mean innovation is discouraged. But when change is necessary, it should align with user needs and context. Testing new designs with users helps ensure they can understand and adapt to the changes.

    Fitts's Law, on the other hand, delves into the ease of interaction with on-screen elements. It emphasizes two key factors: the distance to an element and its size. In simpler terms, designers must ensure that interactive elements are easy to tap or click on, regardless of the input device used – be it a desktop screen with a mouse or a touchscreen with a thumb or finger.

    To apply Fitts's Law effectively, first make interactive elements like buttons big enough to easily select. Second, provide adequate space between elements to prevent accidental taps or clicks. Third, position interactive elements in a way that users can smoothly access them.

    Don’t make the mistake LinkedIn did when they placed the “Accept” and “Deny” buttons too close to each other on their iOS app. Such issues hinder the user experience, especially on mobile devices with limited screen space.

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    What is Laws of UX about?

    Laws of UX (2020) is a handy guidebook for anyone interested in user experience, or UX – especially as it applies to web or app design. It lays out some of the fundamental rules that inform superior product design and shows how these rules are tied to human psychology. 

    Laws of UX Review

    Laws of UX (2020) is a must-read for anyone interested in creating user-centered digital experiences. Here's why this book stands out:

    • It provides a comprehensive overview of the essential principles that govern the user experience, enabling designers to create intuitive and effective interfaces.
    • With its concise explanations and visual examples, the book is highly accessible, making it easy for readers to understand and apply the principles in their own work.
    • By debunking common myths and exploring real-world case studies, the book goes beyond theory, offering practical insights and guidance that designers can immediately implement.

    Who should read Laws of UX?

    • Web designers and developers
    • People curious about technology and human behavior
    • Anyone who’d like to create a better website

    About the Author

    Jon Yablonski is an American UX designer, frontend web developer, and writer with over a decade of experience in industries ranging from retail to aerospace. He’s also created a variety of digital tools to help designers, including and 

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    Laws of UX FAQs 

    What is the main message of Laws of UX?

    The main message of Laws of UX is to provide practical guidelines for creating user-friendly digital experiences.

    How long does it take to read Laws of UX?

    The reading time for Laws of UX varies, but it typically takes a few hours. The Blinkist summary can be read in 15 minutes.

    Is Laws of UX a good book? Is it worth reading?

    Laws of UX is a must-read for designers and anyone involved in creating digital products. It offers valuable insights and actionable tips.

    Who is the author of Laws of UX?

    The author of Laws of UX is Jon Yablonski.

    What to read after Laws of UX?

    If you're wondering what to read next after Laws of UX, here are some recommendations we suggest:
    • Lean UX by Jeff Gothelf
    • Don't Make Me Think, Revisited by Steve Krug
    • UX Strategy by Jaime Levy
    • 100 Things Every Designer Needs to Know About People by Susan M. Weinschenk
    • The Laws of Simplicity by John Maeda
    • UX for Lean Startups by Laura Klein
    • Change by Design by Tim Brown
    • The Idea Is the Easy Part by Brian Dovey
    • Well-Designed by Jon Kolko
    • Stillness Is the Key by Ryan Holiday