Post on 25-Dec-2015
ELC 200ELC 200Day 9Day 9
Agenda Questions? Assignment 2 is Due Assignment 3 is posted
Due Feb. 25, 2014assignment3.pdf
Finish Building an E-commerce presence: Web Sites, Mobile Sites, and Apps
Chapter 4Chapter 4Building an E-commerce Presence: Web Sites, Mobile Building an E-commerce Presence: Web Sites, Mobile
Sites, and AppsSites, and Apps
Copyright © 2014 Pearson Education, Inc.
Learning Objectives Understand the questions you must ask and answer, and steps
you should take in developing an e-commerce presence. Explain the process that should be followed in building an e-
commerce Web site. Describe the major issues surrounding the decision to
outsource site development and/or hosting. Identify and understand the major considerations involved in
choosing software and hardware for an e-commerce site. Identify additional tools that can improve Web site performance.
Understand the important considerations involved in developing a mobile Web site and building mobile applications.
Simple vs. Multi-tieredWeb Site Architecture
System architecture Arrangement of software, machinery, and tasks in an
information system needed to achieve a specific functionality
Two-tier Web server and database server
Multi-tier Web application servers Backend, legacy databases
Copyright © 2014 Pearson Education, Inc. Slide 4-5
Two-Tier E-commerce Architecture
Figure 4.8(a), Page 140
Copyright © 2014 Pearson Education, Inc. Slide 4-6
Multi-Tier E-commerce Architecture
Figure 4.8(b), Page 140
Copyright © 2014 Pearson Education, Inc. Slide 4-7
Copyright © 2014 Pearson Education, Inc. Slide 4-8
Web Server Software Apache (Open Source)
Leading Web server software (66% of market)Works with UNIX, Linux OSs
Microsoft’s Internet Information Server (IIS)Second major Web server software (16% of
market)Windows-based
Copyright © 2014 Pearson Education, Inc. Slide 4-9
Site Management Tools Basic tools
Included in all Web servers, e.g.: Verify that links on pages are still valid Identify orphan files
Third-party software for advanced managementMonitor customer purchases, marketing
campaign effectiveness, etc.WebTrends Analytics 10, Google Analytics
Copyright © 2014 Pearson Education, Inc. Slide 4-10
Dynamic Page Generation Tools Dynamic page generation:
Contents stored in database and fetched when needed
Common tools: CGI, ASP, JSP
Advantages Enables use of content management system (CMS)
Copyright © 2014 Pearson Education, Inc. Slide 4-11
Two-Tier E-commerce Architecture
Figure 4.8(a), Page 140
Copyright © 2014 Pearson Education, Inc. Slide 4-12
CM
S
Application Servers Web application servers
Provide specific business functionality required for a Web site
Type of middleware Connects traditional corporate systems to customers
Single-function applications being replaced by integrated software tools that combine all functionality needed for e-commerce site
Copyright © 2014 Pearson Education, Inc. Slide 4-13
Copyright © 2014 Pearson Education, Inc. Slide 4-14
Source: http://www.acunetix.com/websitesecurity/web-applications/
E-commerce Merchant Server Software Provides basic functionality for sales
Online catalog List of products available on Web site
Shopping cart Allows shoppers to set aside, review, edit selections,
and then make purchaseCredit card processing
Typically works in conjunction with shopping cart Verifies card and puts through credit to company’s
account at checkout
Copyright © 2014 Pearson Education, Inc. Slide 4-15
Copyright © 2014 Pearson Education, Inc. Slide 4-16
Source: http://www.sitedirections.com/Ecommerce/ecomm2.htm
Merchant Server Software Packages Integrated environment that includes most of
functionality needed Three general ranges of price and
functionality Basic: free, open sourceMidrange (~$1000)High-end (~$10000 and up)
Copyright © 2014 Pearson Education, Inc. Slide 4-17
Building Your Own E-commerce Site Options for small firms
Hosted e-commerce sites, e.g., Yahoo’s Merchant Solutions Site building tools E-commerce templates
Open-source merchant server software Enables you to build truly custom sites Requires programmer with expertise, time
Copyright © 2014 Pearson Education, Inc. Slide 4-18
The Hardware Platform Underlying computing equipment needed for
e-commerce functionality Right-sizing your hardware platform: the
demand side Number of simultaneous users
Right-sizing your hardware platform: the supply side Vertical scaling—improve individual components Horizontal scaling—share load with more computers
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Vertically Scaling a System Figure 4.13, Page 231
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Horizontally Scaling a System
Copyright © 2012 Pearson Education, Inc.
Figure 4.14, Page 232
Slide 4-21
Table 4.5, Page 146
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Vertically Scaling a System
Figure 4.13, Page 231
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Horizontally Scaling a System
Copyright © 2012 Pearson Education, Inc.
Figure 4.14, Page 232
Slide 4-24
Table 4.6, Page 146
Copyright © 2014 Pearson Education, Inc. Slide 4-25
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 optimization
Metatags, titles, content Identify market niches, localize site Offer expertise Links Search engine ads Local e-commerce
Copyright © 2014 Pearson Education, Inc. Slide 4-26
Table 4.7, Page 147
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6-28© 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.lingscars.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.arngren.net/
Table 4.8, Page 147
Copyright © 2014 Pearson Education, Inc. Slide 4-29
Tools for Interactivity and Active Content
CGI (Common Gateway Interface) ASP (Active Server Pages) Java, Java Server Pages (JSP), and
JavaScript Web 2.0 design elements
Copyright © 2014 Pearson Education, Inc. Slide 4-30
Developing a Mobile Web Site and Building Mobile Applications
Three types of m-commerce softwareMobile Web site
Responsive web designMobile Web appNative app
Planning and building mobile presenceUse systems analysis/design to identify unique
and specific business objectives
Copyright © 2014 Pearson Education, Inc. Slide 4-31
Table 4.10, Page 153
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Developing a Mobile Web Presence Design considerations
Platform constraints: Smartphone/tablet
Performance and costMobile Web site
Least expensiveMobile web app
Can utilize browser APINative app
Most expensive; requires more programming
Copyright © 2014 Pearson Education, Inc. Slide 4-33
Insight on Technology: Class Discussion
Building a Mobile Presence What are the key differences between user
experience on a Web site and on a mobile device?
Why would a mobile Web site or app from the same merchant need different content or functionality?
In which cases would a merchant want to develop a mobile app over a mobile Web site?
Copyright © 2014 Pearson Education, Inc. Slide 4-34
Copyright © 2014 Pearson Education, Inc. Slide 4-35