Articles

Practical UX articles on interface design, usability and research — from form validation to dark mode, each answering one question with evidence.

Disable the Submit button if form validation is incomplete

Reading Time – 2 min. For the UX of web and mobile forms, you have to keep several things in mind. One of them is error prevention by disabling the Submit or Continue button.

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Should hyperlinks be blue?

Reading Time – 2 min. Hyperlinks need to stand out from the rest of the content so that users can realize that they are clickable. The UX best practice is to have blue hyperlinks…

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Required fields in forms

Reading Time – 2 min. When it comes to web forms, there is always a debate about whether or not to mark required fields with an asterisk (*).

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Should users be able to zoom on a responsive web design?

Reading Time – 2 min. Responsive web design by definition adapts to the screen size of the device. But, should you allow zooming? The short answer is yes.

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How can you tell users they can scroll?

Reading Time – 2 min. While we realize that putting the most important content above the fold is important, sometimes there is a need to scroll.

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Special characters in passwords: UX best practices

Reading Time – 2 min. A special character in a password is any symbol that is not a letter or number, like ! @ # $ % or a space. See the full list and how to design for them.

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What is a modal dialog window?

Reading Time – 2 min. A modal dialog window is a window that pops up on top of the window that is currently active. This window blocks the user from interacting with the other…

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Why are most social networking sites in blue?

Reading Time – 2 min. This is a great psychology-related question. Blue is the color of the intellect, the mind, making it the color of communication and when you think about…

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Why is the mouse cursor slightly tilted?

Reading Time – 2 min. Ever wondered why the mouse cursor on your screen is tilted and not straight? The angle makes the pointer easier to pick out against the pixelated background.

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What is the optimum button size of touch screen applications?

Reading Time – 3 min. Short answer: 44x44px. There is no definitive answer to this question as it depends on the individual application and user preferences.

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