Reduce input effort for fields with values that vary little from the default by allowing users to increase or decrease the number in a single button press.| Nielsen Norman Group
What makes a website good will also give it a high SERP rank, but overly tricky search engine optimization can undermine the user experience.| Nielsen Norman Group
Select a single radio button by default in most cases. Reasons to deviate or not: expedite tasks, the power of suggestion, user expectations, safety nets.| Nielsen Norman Group
Users are often distracted from the task at hand, so prevent unconscious errors by offering suggestions, utilizing constraints, and being flexible.| Nielsen Norman Group
Among high-legibility fonts, a study found 35% difference in reading speeds between the best and the worst. People read 11% slower for every 20 years they age.| Nielsen Norman Group