ELC 200 Day 9 Introduction to E-Commerce 1 Copyright, Tony Gauvin, UMFK, 2011.

ELC 200ELC 200Day 9Day 9

Introduction to E-Commerce

1Copyright, Tony Gauvin, UMFK, 2011

Agenda Questions? Assignment 2 Due Assignment 3 Posted

Due March 4 assignment3.pdf budgetTemplate.xls

Quiz 1 will be March 11 Chap 1-5, Open Book, Open Notes Extra credit question on different Web Browsers (5 points)

Finish Chap 4, Building an E-commerce Presence

Chapter 4Building an E-commerce Presence: Web Sites, Mobile Sites, and Apps

Learning Objectives

Explain the issues involved in choosing the most appropriate hardware for an e-commerce site.

Identify additional tools that can improve Web site performance.

Explain the important considerations involved in developing a mobile Web site and building mobile applications.

Choosing the Hardware for an E-commerce Site

Hardware platform: Underlying computing equipment that system uses to

achieve e-commerce functionality

Objective: Enough platform capacity to meet peak demand

without wasting money

Important to understand the factors that affect speed, capacity, and scalability of a site

Copyright © 2012 Pearson Education, Inc. Slide 4-5

Right-Sizing Your Hardware Platform: The Demand Side

Demand is the most important factor affecting speed of site

Factors in overall demand: Number of simultaneous users in peak periods Nature of customer requests (user profile) Type of content (dynamic vs. static Web pages) Required security Number of items in inventory Number of page requests Speed of legacy applications


Degradation in Performance as Number of Users Increases—Resource Utilization

Figure 4.11(a), Page 229


Degradation in Performance as Number of Users Increases—Number of Connections

Figure 4.11(b), Page 229


Right-Sizing Your Hardware Platform:The Supply Side

Scalability: Ability of site to increase in size as demand

warrants

Ways to scale hardware:Vertically

Increase processing power of individual componentsHorizontally

Employ multiple computers to share workloadImprove processing architecture


Table 4.8, Page 231


Vertically Scaling a System

Figure 4.13, Page 231


Horizontally Scaling a System

Copyright © 2012 Pearson Education, Inc.

Figure 4.14, Page 232

Slide 4-13

Table 4.9, Page 233


Other E-commerce Site Tools Web site design: Basic business considerations

Enabling customers to find and buy what they need

Tools for Web site optimization Search engine placement

Metatags, titles, content Identify market niches, localize site Expertise Links Search engine ads Local e-commerce



E-commerce Web Site Features that Annoy Customers

Slide 4-17

SOURCE: Based on data from Hostway Corporation’s survey, Consumers’ Pet Peeves about Commercial Web Sites, Hostway Corporation, 2007.

© 2007 Prentice-Hall, Inc 6-18

From Vincent Flander’s “Web Pages that suck” http://www.webpagesthatsuck.com/

Top 20 Confessed Web Design Sins

253 Our site tries to tell you how wonderful we are as a company, but not how we're going to solve your problems.

247 We've designed our site to meet our organization's needs (more sales/contributions) rather than meeting the needs of our visitors.

136 We say "Welcome to..." on our home page.

108 It takes longer than four seconds for the man from Mars to understand what our site is about.

98 Our site doesn't make us look like credible professionals.

97 The man from Mars cannot quickly find the focal point of the home page.

87 Our home page — or any page — takes more than four seconds to load.

85 We never conduct user testing.

82 We don't analyze our log files.

77 Our site mixes and matches text sizes on the page.

74 Quickly scanning the page doesn't tell our visitors much about its purpose.

70 We don't know which design items are not necessary.

68 We have not eliminated unnecessary design items.

62 The man from Mars cannot quickly find the focal point of the current page.

61 Visited links don't change color.

58 We don't identify PDF files with an icon.

58 I don't know if our site looks the same in the major browsers.

57 Our pages have too much/too little white space.

55 Our site uses divider bars.

54 We don 't put design elements where our visitors expect them.

http://www.webpagesthatsuck.com/

6-19© 2007 Prentice-Hall, Inc

Good bad examples

http://www.davesite.com/humor/top5/ http://www.smartisans.com/articles/examples/ugly.htm http://www.corson.tv/main/buttugly.htm http://www.oceanside-ca.com/ http://www.shopping.com/ http://art.yale.edu/ http://www.bidforsurgery.com/ http://www.jamilin.com/ http://www.pennyjuice.com/htmlversion/whoispj.htm http://www.milliondollarhomepage.com/

http://www.davesite.com/humor/top5/

http://www.smartisans.com/articles/examples/ugly.htm


Tools for Interactivity and Active Content

Web 2.0 design elements: Widgets, Mashups http://www.google.com/ig/directory?synd=open

http://www.widgetbox.com/widgets/

http://www.housingmaps.com/

CGI (Common Gateway Interface)

ASP (Active Server Pages)

Java, JSP, and Javascript

ActiveX and VBScript

ColdfusionSlide 4-20

Personalization Tools

PersonalizationAbility to treat people based on personal

qualities and prior history with site

CustomizationAbility to change the product to better fit the

needs of the customer

Cookies: Primary method to achieve personalization


The Information Policy Set

Privacy policySet of public statements declaring how site will

treat customers’ personal information that is gathered by site

Accessibility rulesSet of design objectives that ensure disabled

users can affectively access sitehttp://www.w3.org/WAI/intro/wcag

Copyright © 2012 Pearson Education, Inc. Slide 4-23Slide 4-23

Developing a Mobile Web Presence Three types of mobile e-commerce

softwareMobile Web siteMobile Web appNative app

Planning and building mobile presenceAs with regular Web site, use systems

analysis/design to identify unique and specific business objectives


Developing a Mobile Web Presence Design considerations

Platform constraints: Smartphone/tablet

Performance and costMobile Web site:

Least expensiveMobile app:

Can utilize browser APINative app:

Most expensive; requires more programming



Insight on Society

Designing for Accessibility with Web 2.0 and Mobile World

Class Discussion Why might some merchants be reluctant to make their Web sites

accessible to disabled Americans?

What is Section 508 of the Rehabilitation Act?

http://www.hhs.gov/web/policies/hhs_wcd_508checklist.html

How can Web sites be made more accessible?

http://websitetips.com/accessibility/

Should all Web sites be required by law to provide “equivalent alternatives” for visual and sound content?

What additional accessibility problems do mobile devices pose?

Slide 4-27

ELC 200 Day 9 Introduction to E-Commerce 1 Copyright, Tony Gauvin, UMFK, 2011.

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