ELC 200 Day 9. Agenda Questions? Assignment 2 Corrected All A’s and one A+ Assignment 3 Posted ...

ELC 200ELC 200Day 9Day 9

Agenda Questions? Assignment 2 Corrected

All A’s and one A+

Assignment 3 Posted Due October 8 assignment3.pdf

Quiz 2 Oct 15 Finish Discussion Building an E-commerce Presence: Building an E-commerce Presence:

Web Sites, Mobile Sites, and AppsWeb Sites, Mobile Sites, and Apps

Web Site Systems Development Life Cycle

Figure 4.5, Page 131

Table 4.2, page 132

Choices in Building and Hosting

Insight on Business: Class Discussion

Curly Hair and Appillionaires

How does a small, niche Web site like NaturallyCurly.com become profitable?

Why has it never been cheaper to start an e-commerce company?

What is an Appillionaire? http://www.businessinsider.com/candy-crush-saga-daily-revenue-2013-7 http://www.forbes.com/sites/karstenstrauss/2013/10/15/mobile-gaming

-mega-deal-supercell/

Testing, Implementation, and Maintenance

Testing Unit testing System testing Acceptance testing

Implementation and maintenance Maintenance is ongoing Maintenance costs: Similar to development costs

If it costs $ 10,000 to build, it will cost $10,000/year to maintain Benchmarking

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

Two-Tier E-commerce Architecture

Figure 4.8(a), Page 140

Multi-Tier E-commerce Architecture

Figure 4.8(b), Page 140

Web Server Software Apache

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

http://news.netcraft.com/archives/2015/01/15/january-2015-web-server-survey.html

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

Dynamic Page Generation Tools Dynamic page generation:

Contents stored in database and fetched when needed Web pages are created “on the fly”

Common tools: CGI, ASP, JSP

Advantages Enables use of content management system (CMS)

Two-Tier E-commerce Architecture

Figure 4.8(a), Page 140

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

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

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 source (getting better all the time) http://www.practicalecommerce.com/articles/73649-11-Open-Source-Ecommerce-Platforms

Midrange (~$1000)High-end (~$10000)

Building Your Own E-commerce Site Options for small firms

Hosted e-commerce sites, e.g., Yahoo’s Small Business GoDaddys Online Store Site building tools E-commerce templates

Open-source merchant server software Enables you to build truly custom sites Requires programmer with expertise, time

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 http://pilot.search.dell.com/web%20server

Vertically Scaling a System Figure 4.13, Page 231

Horizontally Scaling a System

Figure 4.14, Page 232

Table 4.5, Page 146

Table 4.6, Page 146

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

Enabling customers to find and buy what they need

Usability http://www.nngroup.com/articles/author/jakob-nielsen/

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

Table 4.7, Page 147

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

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

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

Table 4.10, Page 153

Developing a Mobile Web Presence Design considerations

Platform constraints: Smartphone/tablet

Performance and costMobile Web site

Least expensiveMobile app

Can utilize browser API on device Native app

Most expensive; requires more programming

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?

ELC 200 Day 9. Agenda Questions? Assignment 2 Corrected All A’s and one A+ Assignment 3 Posted ...

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