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WWWWWW
Chapter 6
Website Evaluation & Usability Testing
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2WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
OBJECTIVES
• Anatomy of a Site
• What Makes a Website Usable?
• Role of Web Administrator
Website Evaluation & Traffic Management: Objectives
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3WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
ANATOMY OF A SITE
• Use of Colors
• Site Evaluation Criteria
• Web Personalization
Website Evaluation & Traffic Management: Anatomy of A Site
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4WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
USE OF COLORS
Website Evaluation & Traffic Management: Anatomy of A Site
Color Psychological Effects
Red Power, energy, passion, danger
Blue Trust, conservative, security
Yellow Optimism, hope
White Purity, precision, innocence
Black Sophistication, mystery, elegance
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5WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
SITE EVALUATION CRITERIA
• Color
• Type & Shapes of Icons
• Page Content
• Service Offered
• Primary Focus
• Ancillaries
• Site Classification
Website Evaluation & Traffic Management: Anatomy of A Site
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6WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
SITE EVALUATION CRITERIA (Cont’d)
• Professionalism
• Speed
• Consistency
• Personalization
• Security
• Scalability
Website Evaluation & Traffic Management: Anatomy of A Site
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7WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
WEB PERSONALIZATION
• Cookies
• Collaborative-filtering Software
• Check Boxes
• User-based Personalization
Website Evaluation & Traffic Management: Anatomy of A Site
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8WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
WHAT’S THE BIG FUSS OVER SOME COOKIES?
• Deleting & Rejecting Cookies
• Privacy Concerns
Website Evaluation & Traffic Management: Anatomy of A Site
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9WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
WHAT MAKES A WEBSITE USABLE?
Website Evaluation & Traffic Management: What Makes a Website 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
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10WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
USABILITY TESTING GUIDELINES
• Decide on a writing style & 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
Website Evaluation & Traffic Management: What Makes a Website Usable?
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11WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
USABILITY TESTING GUIDELINES (Cont’d)
• Make your text scannable
• Be careful about flashy marketing language
• Encourage visitor feedback
• Test, test & test!
Website Evaluation & Traffic Management: What Makes a Website Usable?
Remember: Conciseness, Scanability & Objectivity
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12WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
RELIABILITY TESTING
• Provide system backup
• Install a disk-mirroring feature
• Ensure that the system hardware is ‘fault-tolerant’
Website Evaluation & Traffic Management: What Makes a Website Usable?
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13WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
MANAGING IMAGES & COLOR
• Readability Testing
• GIFs vs. JPEGs
• Use of Cache
• Use of Links
• Role of the Web Server
Website Evaluation & Traffic Management: What Makes a Website Usable?
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14WWWWWW Awad –Electronic Commerce 1/e© 2002 Prentice Hall
ROLE OF WEB ADMINISTRATOR
• Database Server
• Application Server
• Web Server
• Special-purpose Servers for Security
• Internet Bandwidth
• Internet Performance Status
Website Evaluation & Traffic Management: Role of Web Administrator
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WWWWWW
Chapter 6
Website Evaluation & Usability Testing