1. Web Pages, Web Sites, and E-commerce
CHAPTER 6
Web Pages, Web Sites, and E-commerce

2. Chapter Contents Section A: Web Technology
Section B: Basic Web Page Authoring
Section C: Web Page Extensions, Scripts, and Programs
Section D: E-commerce
Chapter 6: Web Pages, Web Sites, and E-commerce

3. Section A: Web Technology
The Web, the Net, and Hypertext
HTML and XHTML
Web Browsers
Helper Applications, Plug-ins, and Players
HTTP
Web Servers
Cookies
Chapter 6: Web Pages, Web Sites, and E-commerce

4. The Web, the Net, and Hypertext
The Web is an interlinked collection of information
A hypertext is a group of interlinked files
Hypertext link
An HTML document is one way to store data for a Web page
HTML tags (most come
in pairs)
Chapter 6: Web Pages, Web Sites, and E-commerce

5. The Web, the Net, and Hypertext
Web browsers and Web
servers exchange HTTP
messages.
CLICK TO START
Chapter 6: Web Pages, Web Sites, and E-commerce

6. HTML and XHTML
HTML is a markup language containing special instructions
HTML is not a case sensitive language
World Wide Web Consortium (W3C) developed and revises HTML specifications
XHTML is the follow-up version to HTML 4
HTML tags are enclosed in angle brackets
Self-closing tags
Formatting tags, link tags, media tags, and operational tags
Chapter 6: Web Pages, Web Sites, and E-commerce

7. HTML and XHTML
Chapter 6: Web Pages, Web Sites, and E-commerce

8. HTML and XHTML Most browsers include a menu option for viewing an HTML
source document and the
HTML tags it contains. This
example illustrates how to
view source HTML while using
Internet Explorer.
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Chapter 6: Web Pages, Web Sites, and E-commerce

9. Web Browsers Help you access Web pages
Upgrade to new browser versions as they become available
Popular browsers include:
Netscape Navigator
Internet Explorer
Opera
Firefox
Chapter 6: Web Pages, Web Sites, and E-commerce

10. Helper Applications, Plug-ins, and Players
Helper applications extend the browser’s ability to work with file formats
A plug-in is a type of helper application
A player is any helper application or plug-in that helps a browser display a particular file format
Chapter 6: Web Pages, Web Sites, and E-commerce

11. HTTP HTTP messages flow between a browser and a Web server.
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Chapter 6: Web Pages, Web Sites, and E-commerce

12. Web Servers Includes HTTP software to fulfill HTTP requests
Server farms can handle thousands of requests each second
Excessive demand can crash a Web server
HTTP uses port 80
Chapter 6: Web Pages, Web Sites, and E-commerce

13. Cookies
Small chunk of data generated by a Web server and stored on your computer’s hard disk and can be used later
Fix problems caused by HTTP’s stateless protocol
Relatively safe
Your computer does not have to accept cookies, but it may affect your ability to do things online, such as making purchases
Chapter 6: Web Pages, Web Sites, and E-commerce

14. Section B: Basic Web Page Authoring
Web Page Authoring Tools
Basic Web Page Components
Formats, Styles, and Style Sheets
Web Page Graphics, Sound, and Animation
Links, Buttons, and Hot Spots
HTML Forms
Tables and Frames
Testing and Posting Web Pages
Chapter 6: Web Pages, Web Sites, and E-commerce

15. Web Page Authoring Tools
Text editor
Must save files as .htm or .html
Similar to a word processor
HTML conversion tool
Web authoring software
Microsoft FrontPage
Macromedia Dreamweaver
Chapter 6: Web Pages, Web Sites, and E-commerce

16. Basic Web Page Components
Head section
Body section
Web page header
Chapter 6: Web Pages, Web Sites, and E-commerce

17. Formats, Styles, and Style Sheets
HTML formatting tags
Cascading style sheet (CSS)
Acts as a template for one or more Web pages
Chapter 6: Web Pages, Web Sites, and E-commerce

18. Web Page Graphics, Sound, and Animation
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Chapter 6: Web Pages, Web Sites, and E-commerce

19. Web Page Graphics, Sound, and Animation
CLICK TO START
Chapter 6: Web Pages, Web Sites, and E-commerce

20. Links, Buttons, and Hot Spots
HTML for a link specifies a destination and a label
Labels can be text or graphical
Internal link
External link
Intrapage link
mailto link
Image maps are images with clickable areas
Hot spots
Broken links are nonfunctioning links
Chapter 6: Web Pages, Web Sites, and E-commerce

21. Links, Buttons, and Hot Spots
Chapter 6: Web Pages, Web Sites, and E-commerce

22. HTML Forms Series of fill-in blanks creating using HTML tags
Information entered into a form can be processed by a CGI or ASP script on the Web server
Chapter 6: Web Pages, Web Sites, and E-commerce

23. Tables and Frames
A Web page table is a grid of cells that can be used as a layout tool
Easy to create
Flexible
Chapter 6: Web Pages, Web Sites, and E-commerce

24. Tables and Frames Expert Web designers suggest
using frames sparingly and
making sure that frames close
when linking to other sites.
CLICK TO START
Chapter 6: Web Pages, Web Sites, and E-commerce

25. Testing and Posting Web Pages
Test each page locally
Transfer pages to a Web server
Test all pages and links
Update your site to keep it current
Chapter 6: Web Pages, Web Sites, and E-commerce

26. Section C: Web Page Extensions / Scripts / Programs
DHTML
XML and XSL
JavaScript and VBScript
Java Applets
ActiveX Controls
Chapter 6: Web Pages, Web Sites, and E-commerce

27. DHTML Combination of HTML tags, CSS, and scripts
DHTML effects usually activate
as a result of a mouseover. In
this example, moving the mouse
over the Chapter 4 button
changes the color of the button
and displays a pop-up overview
of the chapter.
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Chapter 6: Web Pages, Web Sites, and E-commerce

28. XML and XSL
XML (eXtensible Markup Language) is a method for putting structured data into a text file using tags and attributes
DTD (Document Type Definition) files contain the tags used in XML file
XSL (eXtensible Stylesheet Language) is used to control the display of data in an XML document
Chapter 6: Web Pages, Web Sites, and E-commerce

29. JavaScript and VBScript
Scripts instruct the browser to perform specific actions or respond to specific user actions
JavaScript and VBScript are the most popular scripting languages
Scripts can either run on the client (client-side script) or the server (server-side script)
Chapter 6: Web Pages, Web Sites, and E-commerce

30. JavaScript and VBScript
Scripting errors occur when a browser or server cannot execute one or more statements in a script
Chapter 6: Web Pages, Web Sites, and E-commerce

31. Java Applets Small Java applications
Chapter 6: Web Pages, Web Sites, and E-commerce

32. Java Applets
They cannot open, modify, delete, or create files on your computer
They cannot make any network connections except to the originating site
They cannot start other programs
Chapter 6: Web Pages, Web Sites, and E-commerce

33. ActiveX Controls
Compiled computer program that can be referenced from within an HTML document
Installed on computer’s hard disk
Designed only for the Windows platform
Chapter 6: Web Pages, Web Sites, and E-commerce

34. ActiveX Controls Most ActiveX controls are safe
Contain digital certificate
Digital certificates are obtained through a certificate authority
Chapter 6: Web Pages, Web Sites, and E-commerce

35. Section D: E-commerce E-commerce Basics Online Shopping Shopping Carts
Transaction Privacy and Security
Chapter 6: Web Pages, Web Sites, and E-commerce

36. E-commerce Basics
Business transactions conducted electronically over a computer network
B2C (business-to-consumer)
C2C (consumer-to-consumer)
B2B (business-to-business)
B2G (business-to-government)
Chapter 6: Web Pages, Web Sites, and E-commerce

37. E-commerce Basics Enhances traditional business models
Styles of online advertisements
Banner ad
Pop-up ad
Click-through rate
Ad-blocking software prevents ads from appearing on screens
Chapter 6: Web Pages, Web Sites, and E-commerce

38. Online Shopping In a typical shopping session, you connect to
an online storefront and
use navigation controls
to browse through the
merchant’s catalog. As
you browse, you can
drop items into your
electronic shopping cart.
At the checkout counter,
you enter the information
necessary to pay for the
items you selected.
CLICK TO START
Chapter 6: Web Pages, Web Sites, and E-commerce

39. Shopping Carts
Chapter 6: Web Pages, Web Sites, and E-commerce

40. Shopping Carts
Chapter 6: Web Pages, Web Sites, and E-commerce

41. Transaction Privacy and Security
Web sites can surreptitiously collect data about your browsing and purchasing habits
Spyware surreptitiously gathers information
Ad-serving cookies track your activities at any site containing banner ads from a third party
Clear GIFs can set cookies to third party sites
Chapter 6: Web Pages, Web Sites, and E-commerce

42. Transaction Privacy and Security
Packet sniffers monitor data as it travels over networks
You should use a secure connection when involved in an electronic transaction
SSL (Secure Sockets Layer)
S-HTTP (secure HTTP)
Chapter 6: Web Pages, Web Sites, and E-commerce

43. Transaction Privacy and Security
Merchant databases may be accessed without authorization
Dishonest employees
Fake storefronts may be used to collecting data
Enter URLs correctly
Hackers may be able to steal credit card numbers from your hard disk
Chapter 6: Web Pages, Web Sites, and E-commerce

44. Transaction Privacy and Security
An electronic wallet can transfer your billing and shipping information to a
participating site’s
e-commerce Web server when you check out.
CLICK TO START
Chapter 6: Web Pages, Web Sites, and E-commerce

45. Transaction Privacy and Security
Person-to-person payments are an alternative to credit cards
The payment service is the only entity that sees your credit card number
Service is in its infancy
Chapter 6: Web Pages, Web Sites, and E-commerce

46. Web Pages, Web Sites, and E-commerce
CHAPTER 6 COMPLETE
Web Pages, Web Sites, and E-commerce