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WWWWWW
Chapter 9
Website Evaluation and Usability Testing
2WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
OBJECTIVES
• Anatomy of A Site
• What Makes A Website Usable?
• Role of Web Administrator
3WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
ANATOMY OF A SITE
• Use of Colors
• Site Evaluation Criteria
• Web Personalization
4WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
USE OF COLORS
Color Psychological Effects
Red Power, energy, passion, danger
Blue Trust, conservation, security
Yellow Optimism, hope
White Purity, precision, innocence
Black Sophistication, mystery, elegance
5WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
SITE EVALUATION CRITERIA
• Color
• Type and Shapes of Icons
• Page Content
• Service Offered
• Primary Focus
• Ancillaries
• Site Classification
6WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
SITE EVALUATION CRITERIA (Cont’d)
• Professionalism
• Speed
• Consistency
• Personalization
• Security
• Scalability
7WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
WEB PERSONALIZATION
• Cookies
• Collaborative-filtering Software
• Check Boxes
• User-based Personalization
8WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
WHAT’S THE BIG FUSS OVER SOME COOKIES?
• Deleting and Rejecting Cookies
• Privacy Concerns
9WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
WHAT MAKES A WEB SITE USABLE?
Sources What Users Are Seeking
Forrester Research •High-quality Content•Ease of Use•Quick to Download•Frequent Site Update
Spool’s Study •Information
Kahle’s Study •Specific Information
10WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
USABILITY TESTING GUIDELINES
• Decide on a writing style and stick to it
• Give visitors what they are looking for
• Show class
• Keep the big picture in mind for usability
• Make the site easy to navigate
• Focus on content before graphics
11WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
USABILITY TESTING GUIDELINES (Cont’d)
• Make your text scanable
• Be careful about flashy marketing language
• Encourage visitor feedback
• Test, test and test!
Remember: Conciseness, Scanability & Objectivity
12WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
RELIABILITY TESTING
• Provide system backup
• Install a disk-mirroring feature
• Ensure that the system hardware is “fault-tolerant”
13WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
MANAGING IMAGES & COLOR
• Readability Testing
• GIFs vs. JPEGs
• Use of Cache
• Use of Links
• Role of the Web Server
14WWWWWW Awad –Electronic Commerce 2/e© 2004 Pearson Prentice Hall
ROLE OF WEB ADMINISTRATOR
• Database Server
• Application Server
• Web Server
• Special-purpose Servers for Security
• Internet Bandwidth
• Internet Performance Status
WWWWWW
Chapter 9
Website Evaluation and Usability Testing
