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Some Web Site Usability Guidelines
Reference: Nielsen and Tahir, Home Page Usability, 50 Web Sites
Deconstructed, New Riders Publishing, 2001.
Communicating the Site's Purpose
- Show the company name and logo (site title if not a business site)
in a reasonable size and noticeable location.
- Emphasize what your site does that is valuable to the user and how it
differs from key competitors.
- Emphasize high priority tasks.
- Clearly designate one page per site as the homepage.
- Design the homepage to be clearly different from all the other pages on
the site.
Content Writing
- Use customer-focused language. Present information in terms of how
it is useful to the customer.
- Avoid redundant content.
- Avoid clever phrases and marketing lingo that are hard to understand.
- Use consistent capitalization and other style standards.
- Do not explain items on the site whose purpose is obvious.
- Spell out acronyms or abbreviations that might not be obvious to the user.
- Avoid exclamation marks.
- Avoid spelling words or phrases entirely in uppercase letters.
- Present text in short chunks. Users read websites quickly. They usually do not take the
time to read long paragraphs. You can include a link to "Complete Story" or "More Details"
for conscientious readers.
Distinguishing Specific Examples from General Category
- Use examples to reveal the site's content, rather than just describing it.
- For each example, have a link to directly to that example, not merely
the page that contains the example.
Navigation
- Provide a link to the broader category close to the specific example.
- Provide links to recently featured information on your site.
- Don't use generic instructions (like "Click
Here"). Specify the destination of the link.
- Allow link colors to show visited and unvisited sites.
- Make links obvious by coloring them blue.
- Don't use the label "Links"
on a page. If you give a title to a group of links, let it describe the
destination category of the links.
- Locate the primary navigation area on the homepage in a highly noticeable
place. Do not make the user scroll to find it.
- Group items in the navigation area so that similar items are next to each
other.
- Do not provide duplicate navigation areas for the same type of links.
- Do not include an active link to the homepage on the homepage.
- Do include a link from every non-homepage page to the homepage.
- Do not use made-up words for category navigation choices.
Tools
- Do not provide tools unrelated to the purpose of your site.
- Do not provide tools that reproduce the browser's functionality.
Graphics
- Use graphics to show real content, not just to decorate your homepage.
- Label graphics and photos if their meaning is not immediately obvious.
- Edit photos and diagrams appropriately for the site.
- Avoid background images (wallpaper) including watermark graphics.
- Do not use animation for the sole purpose of drawing attention to an item
on the homepage.
- Do not animate critical elements of the homepage, such as the logo, tag
line or main headline.
Graphic Design
- Limit the number of font styles, sizes, and colors on a page.
A good rule is to limit the number of different fonts on a page to
two. They should be obviously contrasting fonts.
- Use high-contrast text and background colors.
- The most critical home page elements should be visible without scrolling
on a screen at the most prevalent window size (800 x 600).
- Use logos judiciously.
Window Titles
- Begin the window title with the information-carrying word--usually
the site name.
- Don't include the top-level domain name (such as .com) in the window
title unless it is actually part of the company name (like Amazon.com).
- Limit window titles to seven or eight words and not more than
than 64 characters.
Popup Windows and Staging Pages
- Avoid spash screens.
- Avoid popup windows.
- Do not use routing pages to choose the language. (Exception: your
company is truly an international company with no single dominant
language.)
Fostering Community
- If you support user communities with chat or other discussion features,
don't just show generic links to chat rooms, list actual discussion topics.
- Don't offer a "Guestbook" sign in for business sites.