15 Minutes
Cover of Don't Make Me Think: A Common Sense Approach to Web Usability

Technology and the Future · 18 min

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

Steve Krug · 2000

Who it's for

For designers, developers, entrepreneurs, and anyone creating digital products who wants to build websites or apps that people can use without stumbling or getting frustrated. An essential guide to simplifying navigation and respecting the time of the person on the other side of the screen.

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3 ideas to take with you

1

Visitors do not read digital pages word for word; instead, they scan the screen looking for terms that seem to satisfy their immediate urgency.

2

Any secondary screen must allow the reader to instantly figure out where they are, where they came from, and how to return to the starting point.

3

Treating usability as mere common sense underestimates the challenges of accessibility and gesture-based interactions on touchscreens.

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A well-designed interface is self-explanatory to the point that it requires no intellectual effort for the user to know exactly what to do.
An idea from Don't Make Me Think: A Common Sense Approach to Web Usability, in the words of 15 Minutes

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Krug's first law of usability

The fundamental premise behind the book's title is straightforward: when a user looks at a web page, it should be self-explanatory and obvious. Every second spent trying to decipher whether an element is clickable, where a button leads, or what an obscure icon means imposes unnecessary cognitive friction. Human beings do not visit a commercial website to solve visual riddles, but to accomplish a practical goal with as little friction as possible.

When a professional visits an online store to download an invoice or buy a piece of office equipment, any visual ambiguity triggers immediate irritation. If a person has to stop their train of thought to wonder where to click to move forward, the interface has failed miserably. Great design is the kind that goes unnoticed, allowing the visitor's attention to stay focused on the task they came to accomplish.

Eliminating mental question marks is the primary duty of anyone who designs digital interfaces. Small accumulated doubts, such as overly clever names for common categories or buttons camouflaged inside body text, wear the user out in a matter of minutes. Making things self-evident at first glance saves precious mental energy and turns a potentially disjointed experience into a natural, welcoming journey.

The reality of how we use the web: scanning instead of reading

Many designers and copywriters imagine that visitors read their pages with reverent attention, savoring every carefully polished sentence and every paragraph of corporate background. Empirical reality, however, is humbling for the vain: people do not read web pages; they scan the screen rapidly with their eyes in search of keywords that match what they need at that very moment.

We are always in a hurry, looking for shortcuts to take care of everyday errands before the next meeting or during our daily commute. A user's gaze glides across the screen like that of a driver speeding down a busy highway, looking for road signs that point to the right exit. Wordy copy and massive blocks of text are summarily ignored in favor of bold headings and bulleted lists.

This scanning behavior stems from the fact that the internet is an environment of active search, not passive contemplation. The visitor wants to find an answer, fill out a form, or download a document and leave as quickly as possible. Accepting this liberating truth allows content creators to drop unnecessary flourishes and structure text so that it is scannable and functional.

Decision-making by satisficing

When browsing the internet, people do not compare every available option to find the perfect alternative; they pick the first plausible option that promises to solve their problem. This economical behavior, coined by social scientist Herbert Simon as satisficing, explains why users rarely read manuals or detailed instructions before clicking on links.

If the first button we spot looks reasonably promising, we click it without hesitation. If it turns out to be wrong, we simply hit the browser's back button and try another path. Adopting the optimal strategy would demand time and analytical effort that simply do not pay off in most routine digital tasks.

Understanding the search for a good-enough option changes the way we organize links and calls to action. Instead of hiding the main button in the footer after long theoretical explanations, it should jump out with crystal clarity. If the first visible choice is the right one, the user saves clicks and achieves their goal with genuine satisfaction.

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About Steve Krug

Steve Krug is an American consultant specializing in usability and user experience, with more than three decades of experience in the technology sector. He is the founder of the consulting firm Advanced Common Sense and has worked with major organizations such as Apple, Bloomberg, and Lexus. His work has helped democratize practical usability testing among development teams around the world. He is also the author of the acclaimed book Rocket Surgery Made Easy, which focuses on agile methods for diagnosing interface issues.

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