Work in progress

These guidelines include most factors to consider during a usability evaluation of a web site. Not all factors apply to every site. The guidelines are a work in progress. Check back periodically for a new version

• Current location within the site is shown clearly
• Link to the site's main page is clearly identified
• Major/important parts of the site are directly accessible from the main page
• Site map is provided for a large, complex site
• Easy to use Search function is provided, as needed

• Site accommodates novice to expert users
• Functions are clearly labeled
• Essential functions are available without leaving the site
• Plug-ins are used only if they add value

• Site reflects user's workflow
• User can cancel any operation
• Clear exit point is provided on every page
• Per-page size is less than 50K, to accommodate slow connections
• All appropriate browsers are supported

• Important information and tasks are given prominence
• Information of low relevance or rarely used information is not included
• Related information or tasks are grouped:
  • on the same page or menu
  • in the same area within a page
• Language is simple, without jargon

• Links are concise, expressive, and visible–not buried in text
• Terms are defined

• Site is designed to require minimal help and instructions
• Help and instructions, if needed, are easily accessible

• It is always clear what is happening on the site – visual hints, etc
• Users can receive email feedback if necessary
• Users can give feedback via email or a feedback form
• Confirmation screen is provided for form submittal
• All system feedback is timely
• Users are informed if a plug-in or browser version is required
• Each page includes a “last updated” date