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Internet History & Web Development Basics Guide

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  1. Review session for Web development

  2. Time line of the internet history • When was the ARPANET first demostrated? • When did the NFSNet replace it? • When did the email(ftp, www…) appear? • Exact year not required, but you need to know the era.

  3. Basics of Internet • What are domain names? • www.lib.msu.edu

  4. Domain names • What are first level, second level domain names? • .com .org .edu are top level domains, which specify the category of the domain name user. • Second level domain name gives the entity’s name. This must be unique in the top level domain. • Low level domain gives the server’s name. • What is the difference between a domain name and a URL

  5. Universal Resource Locator: Static http://www.msu.edu/~urquhar5/tour/active.html http:// identifies type of transfer /~urquhar5/tour/active.html File Location on Remote Computer This part is CasE SenSiTiVe. www.msu.edu Domain Name - name of remote computer

  6. Universal Resource Locator: Dynamic http://www.msu.edu/cgi-bin/redirect.cgi?q=LBS&site=Web http:// identifies type of transfer Folder name /cgi-bin/ Server program name: redirect.cgi Argument of the server program: ?q=LBS&site=Web www.msu.edu Domain Name - name of remote computer

  7. Web Page Development Cycle EDIT and SAVE the file in your AFS p:\web\test.html TEST by BROWSING to the page http://www.msu.edu/~msunetid/test.html

  8. HTML File Structure <HTML> <HEAD> </HEAD> <BODY> </BODY> </HTML>

  9. Essential HTML tags • <HTML> </HTML> • <head> </head> • <body> </body> • <p> </p> • <a href=“http://www.msu.edu/”> MSU </a> • <img src=“filename.jpg”> • H1, H2, u, em.

  10. Separation of Content and Presentation • Content • Use tags like <h1>, <h2>, <p>, <em> or <li> to indicate the structure of your pages

  11. Hyperlinks in HTML Code <a href=“URL”>Text for link</a> Tag Attribute: URL Closing Tag Opening Tag Link text href = “Hyper Text Reference ”

  12. Types of link • Absolutelink • <a href=“http://www.msu.edu”> </a> • Relative Link • <a href=“resume.html”> </a> • Email Link • <a href=“mailto:nanzhang@msu.edu”> </a> • Anchor Link • <a href=“#AnchorName”> </a>

  13. Color Control Codes • Computer monitors combine Red, Green and Blue (RGB) in various amounts • Hexadecimal codes tell the computer how much Red, Green and Blue to display • Red:FF0000 • Green: 00FF00 • Blue: 0000FF • Other colors? Combinations! Yellow = FFFF00 • White: FFFFFF • Black: 000000 • Approximately 17 million combinations.

  14. Graphics • Types of graphics that can be insert into HTML • Jpeg • Gif • What are they good for?

  15. Graphics in HTML • First step: Copy the graphics into your web folder, because graphics is NOT embedded in HTML. • <img src=“URL”> • or <img src=“file.name”> • Can include size parameters • <img src=“URL” height=80 width=240> • <img src=“dru.gif” height=25 width=100> • Note: No closing tag!

  16. Additional graphics features • Graphics as link • How?

  17. General steps of web site design • Survey • Who’s my audience • Decide the general style • Organize information • Layout design • Template design • Implementation • Generating content page from template. • Testing the web site • Publishing

  18. Layout design • Two methods • Using table • Using layout view to draw layout cells. • Dreamweaver automatically translate the layout table and cell to standard tables.

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