1. ELC 200 Day 9

2. Agenda Questions? Assignment 2 is Due Assignment 3 is posted  Due Feb. 25, 2014  assignment3.pdf assignment3.pdf Finish Building an E-commerce presence: Web Sites, Mobile Sites, and Apps

3. Chapter 4 Building an E-commerce Presence: Web Sites, Mobile Sites, and Apps Copyright © 2014 Pearson Education, Inc.

4. 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.

5. Simple vs. Multi-tiered Web 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

6. Two-Tier E-commerce Architecture Figure 4.8(a), Page 140 Copyright © 2014 Pearson Education, Inc.Slide 4-6

7. Multi-Tier E-commerce Architecture Figure 4.8(b), Page 140 Copyright © 2014 Pearson Education, Inc.Slide 4-7

8. Copyright © 2014 Pearson Education, Inc.Slide 4-8

9. 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

10. 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 management  Monitor customer purchases, marketing campaign effectiveness, etc.  WebTrends Analytics 10, Google Analytics Copyright © 2014 Pearson Education, Inc.Slide 4-10

11. 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

12. Two-Tier E-commerce Architecture Figure 4.8(a), Page 140 Copyright © 2014 Pearson Education, Inc.Slide 4-12 CMSCMS

13. 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

14. Copyright © 2014 Pearson Education, Inc.Slide 4-14 Source: http://www.acunetix.com/websitesecurity/web-applications/http://www.acunetix.com/websitesecurity/web-applications/

15. 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 purchase  Credit 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

16. Copyright © 2014 Pearson Education, Inc.Slide 4-16 Source: http://www.sitedirections.com/Ecommerce/ecomm2.htmhttp://www.sitedirections.com/Ecommerce/ecomm2.htm

17. Merchant Server Software Packages Integrated environment that includes most of functionality needed Three general ranges of price and functionality  Basic: free, open source  Midrange (~$1000)  High-end (~$10000 and up) Copyright © 2014 Pearson Education, Inc.Slide 4-17

18. Building Your Own E-commerce Site Options for small firms  Hosted e-commerce sites, e.g., Yahoo’s Merchant SolutionsYahoo’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

19. 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 Copyright © 2014 Pearson Education, Inc.Slide 4-19

20. Vertically Scaling a System Figure 4.13, Page 231 Copyright © 2012 Pearson Education, Inc.Slide 4-20

21. Horizontally Scaling a System Copyright © 2012 Pearson Education, Inc. Figure 4.14, Page 232 Slide 4-21

22. Table 4.5, Page 146 Copyright © 2014 Pearson Education, Inc.Slide 4-22

23. Vertically Scaling a System Figure 4.13, Page 231 Copyright © 2012 Pearson Education, Inc.Slide 4-23

24. Horizontally Scaling a System Copyright © 2012 Pearson Education, Inc. Figure 4.14, Page 232 Slide 4-24

25. Table 4.6, Page 146 Copyright © 2014 Pearson Education, Inc.Slide 4-25

26. 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

27. Table 4.7, Page 147 Copyright © 2014 Pearson Education, Inc.Slide 4-27

28. 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/

29. Table 4.8, Page 147 Copyright © 2014 Pearson Education, Inc.Slide 4-29

30. 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

31. Developing a Mobile Web Site and Building Mobile Applications Three types of m-commerce software  Mobile Web site Responsive web design  Mobile Web app  Native app Planning and building mobile presence  Use systems analysis/design to identify unique and specific business objectives Copyright © 2014 Pearson Education, Inc.Slide 4-31

32. Table 4.10, Page 153 Copyright © 2014 Pearson Education, Inc.Slide 4-32

33. Developing a Mobile Web Presence Design considerations  Platform constraints: Smartphone/tablet Performance and cost  Mobile Web site Least expensive  Mobile web app Can utilize browser API  Native app Most expensive; requires more programming Copyright © 2014 Pearson Education, Inc.Slide 4-33

34. 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

35. Copyright © 2014 Pearson Education, Inc.Slide 4-35