Welcome Aboard To Website Usability

1
Welcome Aboard ToWebsite Usability

• Prepared by
• Musette K. Weeks
• INBS 510

2
What is Usability?

• Measure Quality ? Experience
• Interacting with a product or system.
• Usable Web is
• ?Collection of Links about information
  architecture
• v Human factors
• v User interface issues
• v Usable design specific to the World Wide
  Web

3
Factors of Usability

• Ease of learning
• Efficiency of use
• Memorability
• Error frequency and severity
• Subjective Satisfaction

4
Why is Usability Important?

• Research by User Interface Engineering, Inc.
• Show people cannot find information on the web
  about 60 of the time.
• Which leads to
• Wasted Time
• Reduced productivity
• Increased frustration
• Loss of repeat visits and money

5
Research Indicates

• Elizabeth Millard, The best sites found are
  usable only 42 percent of time and none that was
  studied are usable a majority of time.
• Forrester Research estimate
• v 50 potential sales are loss
• v 40 dont return due to negative
• experience

6
Methods for Designing Usable Web Site

• Getting started
• Planning the Site
• Planning usability activities
• Links to related articles

7
Think before you design

• Why are you developing a site?
• Who should come to your site?
• When and why people might come?

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Think About Usability Objectives

• Easy to learn
• Efficient to use
• Easy to remember on subsequent visits
• Satisfying with minimum errors as users go
  through the site

FOR MORE INFO...
What Steps Are Involved in Usability. http//www.u
sability.gov/
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Next phase of Web Design

• Collecting data from users
• Developing prototypes
• Collecting, writing, or revising content
• Conducting usability test
• Continuing to assess the site after it is up

FOR MORE INFO...
User Testing links at Usable Web http//www.usable
web.com/topics/000878-0-0.html
10
How Much Does it Cost Why do Usability Testing

• Budgeting Elements Results
• Time to plan Find Problems
• Cost of Recruiting Fixing Problems
• Time of specialist Test Branding
• Cost of renting lab Test many design
• Time of Observer Test content
• Cost of paying Changes made
• Time to consider Testing Once
• Time to discuss Test show benefits

11
Usability Cost

• A basic site design review by a user-experience
  professional can cost
• 5,000 to 10,000 for many sites,
• according to Harley Manning,
• Forrester senior analyst that will be enough to
  uncover major flaws that obstruct good usability.
• Please see The Price of Right for more cost.

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In ConclusionUsability On The Web Isnt A Luxury

• Positive user experience
• return visits
• useful exposure
• revenue
• Focus the site on peoples needs in plain
  language in a layout thats easy
• to scan and fast to download.