Articles

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

Usability of Flat Buttons

Reading Time – 3 min. User interaction habits are altering as a result of flat buttons, and we can observe this in usability testing results.

UX Pickle /

Is there an optimal font size and line height ratio?

Reading Time – 2 min. The best line height for body text is about 1.5 times the font size, tighter for headings. Plus leading vs line height and the ideal line length.

UX Pickle /

Clockwise or counter-clockwise rotated text: which is easier to read?

Reading Time – 6 min. Neither direction is easier to read. Every study that has tested clockwise against counter-clockwise rotated text — going back to 1956 — has failed to find a reliable difference between them. So pick by convention, not legibility: rotate counter-clockwise (reading bottom to top) for chart axis labels and vertical UI labels, and clockwise (top to bottom) for anything modelled on a UK or US book spine.

UX Pickle /

What does duration HH.HH mean? Decimal hours vs HH:MM

Reading Time – 5 min. Duration HH.HH means hours written as a decimal. The digits after the point are a fraction of an hour, not minutes: 1.50 is 1 hour 30 minutes and 0.25 is 15 minutes. HH:MM is hours and minutes, so 1:50 is 1 hour 50 minutes.

UX Pickle /

How Do Rounded Corners Affect Usability?

Reading Time – 3 min. Rounded vs sharp corners in web design: rounded corners feel friendlier and group content, sharp ones feel precise and suit dense UIs. When to use each.

UX Pickle /

Designing effective toggle buttons

Reading Time – 6 min. A toggle switch is for one binary setting that takes effect the instant it is flipped — Wi-Fi on or off, notifications on or off. If the change needs a Save button, if the two states are named alternatives like List and Map, or if the user is picking several things from a list, a switch is the wrong control. Use a checkbox, a radio group or a segmented button instead.

UX Pickle /

Ideal column width for paragraphs online

Reading Time – 2 min. Columns only make sense in a web setting if you're trying to convey a very small amount of information; otherwise, they have a negative impact on…

UX Pickle /

Update, Create, Delete: Which UX Copy works best?

Reading Time – 2 min. The best way to refer to these objects is determined by: who's using the system, what's actually being done; and what extra actions can be taken.

UX Pickle /

Button Hover: Should it become lighter or darker?

Reading Time – 3 min. The button hover states come in different shapes and sizes. The pattern you use doesn't matter, as long as it makes sense for your app.

UX Pickle /

Should the Cancel button appear first or second?

Reading Time – 3 min. Should the Cancel button appear first or second? When naming a button, it's better to clarify what it does rather than just labeling it as…

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