There are five essential usability guidelines for scrolling and scrollbars:
- Offer a scrollbar if an area has scrolling content. Don’t rely on auto-scrolling or on dragging, which people might not notice.
- Hide scrollbars if all content is visible. If people see a scrollbar, they assume there’s additional content and will be frustrated if they can’t scroll.
- Comply with GUI standards and use scrollbars that look like scrollbars.
- Avoid horizontal scrolling on web pages and minimize it elsewhere.
- Display all important information above the fold. Users often decide whether to stay or leave based on what they can see without scrolling. Plus they allocate only 20% of their attention below the...