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1

The ten most violated Jakob Nielsen design guidelines

Jakob Nielsen has made a top ten on usability principles from his book Homepage Usability which are most frequently violated:

1. Emphasize what your site offers that's of value to users and how your services differ from those of key competitors.
2. Use a liquid layout that lets users adjust the homepage size.
3. Use color to distinguish visited and unvisited links.
4. Use graphics to show real content, not just to decorate your homepage.
5. Include a tag line that explicitly summarizes what the site or company does.
6. Make it easy to access anything recently featured on your homepage.
7. Include a short site description in the window title.
8. Don't use a heading to label the search area; instead use a "Search" button to the right of the box.
9. With stock quotes, give the percentage of change, not just the points gained or lost
10. Don't include an active link to the homepage on the homepage.

Links:

  • The article The Ten Most Violated Homepage Design Guidelines

Henrik Olsen - November 15, 2003

Permanent link Comments (0)

See also: Site design (8)  Guidelines and Standards (10)  Research (87) 


 

2

Homepage real estate allocation

According to Jakob Nielsen, only 39% of the space of web site front pages is used for areas of user interest (when including browser tool bars and borders). In a study, the following use of browser real estate was found:

- Unused: 20%
- Navigation: 20%
- Content of interest to users: 20%
- Operating system and browser overhead: 19%
- Self-promotions (ads for the site's own stuff): 9%
- Welcome, logo, tagline, and other site identifications: 5%
- Filler (useless stock art, such as "smiling ladies"): 5%
- Advertisements: 2%

I especially like the "Filler (useless stock art, such as "smiling ladies")". This is properly what others would call "graphic design" or "branding" elements.

Links:

  • The article Homepage real estate allocation

Henrik Olsen - February 10, 2003 - via Jakob Nielsen's Alertbox Announcement List

Permanent link Comments (1)

See also: Research (87) 


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