Website Response Times - NN/g
Slow page rendering today is typically caused by server delays or overly fancy page widgets, not by big images. Users still hate slow sites and don't hesitate telling us.| Nielsen Norman Group
Slow page rendering today is typically caused by server delays or overly fancy page widgets, not by big images. Users still hate slow sites and don't hesitate telling us.| Nielsen Norman Group
Results from usability research projects and eyetracking studies about how users read on the Web and how authors should write their websites.| Nielsen Norman Group
Interactive elements must be at least 1cm × 1cm (0.4in × 0.4in) to support adequate selection time and prevent fat-finger errors.| Nielsen Norman Group
Human working memory holds information relevant to the current task; a physical or virtual external memory can help in tasks with a high working-memory burden.| Nielsen Norman Group
The total cognitive load, or amount of mental processing power needed to use your site, affects how easily users find content and complete tasks.| Nielsen Norman Group
People scroll vertically more than they used to, but new eyetracking data shows that they will still look more above the page fold than below it.| Nielsen Norman Group
On the average Web page, users have time to read at most 28% of the words during an average visit; 20% is more likely.| Nielsen Norman Group
Jakob Nielsen's 10 general principles for interaction design. They are called "heuristics" because they are broad rules of thumb and not specific usability guidelines.| Nielsen Norman Group
