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  • LEIT429X 2/6/99
  • LEIT429X 2/6/99
  • LEIT429X 2/6/99

Transcript

  • 1. Web Pages: BasicsINTC 5340 Summer 2012
  • 2. Defining Terms Hypertext  Hypertext refers to the idea of linking different documents together using hyperlinks. A hyperlink often appears in a hypertext document as a piece of highlighted text. When the user activates the hyperlink, typically by clicking on it using a mouse, the users view of the document is changed so as to show more information on the word or phrase concerned.
  • 3. Defining Terms Hypermedia  Hypermedia is a term created to describe the fusion of two other new technologies: multimedia and hypertext  Hypermedia documents are simply hypertext documents with multimedia capabilities in addition.
  • 4. What it does for you Multiple channels of information for the learner helps with processing  Read it, hear it, see it – links the information via multiple pathways Provide for learner control of how information is presented  Adaptive to learner preferences (styles?)  Navigation can allow for a variety of paths Interest and motivational benefits
  • 5. Potential problems Information overload  Too many channels make it hard for learner to attend to important information  Can obscure information as well “Lost in cyberspace”  Navigation difficulties can trap users  If lost, focused on navigation not content Difficult to produce  Time consuming for teachers to develop
  • 6. Start with a Plan  Start by sketching out your site and pages  Flowchart the pages/screens and how they connect (hierarchy or web)  Common flows for web pages:  Organizational  Linear  Heirarchical  Web (or Network)  More info at:  http://www.usu.edu/sanderso/multinet/wwwnavi.html
  • 7. Start with a Plan Start by sketching out your site and pages  Storyboard your common page setup by drawing it freehand (or using software)  Does not have to be artistic – just convey what needs to be on the page  Be sure to include your navigation in the storyboard  Use your flowchart as a guide  More info at:  http://www.public.iastate.edu/~nielandj/SCM/anatomySB.html
  • 8. Start with a Plan Both flowcharts and storyboards help you:  Organize  Insure completeness  Reduce errors and changes Do not get started on the pages until you do a flowchart and storyboard! Flowchart your site now, and storyboard the first page.
  • 9. Tools for Prototyping Designs Some great Web 2.0 tools can help:  https://gomockingbird.com/mockingbird/  http://productplanner.com/ More tools at:http ://www.uxbooth.com/blog/15-desktop-online-w
  • 10. Navigation How will users get around at your site? Navigation benefits from:  Clarity:links are obvious visually  Coherence: makes sense to the content and structure  Simplicity: limited options  Completeness: allows all necessary movement Three-click (five-click?) rule: guideline stating that user can get from one part of site to any other in 3 clicks of mouse or less  Useful as a guideline in designing navigation
  • 11. Links How you link depends on your design:  You can embed a link in the text.  You can make the link an image.  Too many links can confuse the learner. Website Navigation Tips  http://www.grantasticdesigns.com/navigation.html
  • 12. Use of Color Backgrounds  Solidcolors best  Pastels or lighter shades often work  Need to be “easy” on the eyes (not too bright) Contrast  Achieve high contrast between foreground elements (text, graphics) and background Color Design for the Web  http://www.coolhomepages.com/cda/color/
  • 13. Color Example Very poor contrast Not quite enough contrast Good contrast but background too bright
  • 14. Color Example Highest contrast is black/white For Web pages, some color is nice But you need to be careful not to go Overboard !!!
  • 15. Color Example Though terribly cute, picture backgrounds are difficult because it makes it impossible to stick to one color for text.
  • 16. Fonts Larger is not better! Don’t use multiple styles - one is enough! Generally, 12 point font works best. Some fonts safe for the Web:  Arial  Comic sans  Times New Roman
  • 17. Graphics  Three main types used on Web at present:  GIF (Graphic Interchange Format)  Uses non-loss compression  Limited to 256 colors  Good for simple images.  JPEG (Joint Photographic Experts Group)  Uses lossy compression  Best for images with gradations of color  PNG (Portable Network Graphics) is a new type that is replacing GIFs  All compact images into small files suitable for sending via the Web.  See a side-by-side comparison.
  • 18. Graphics on the Web Photographs Navigational tools (icons, image maps) Background images Dividing lines Explanations Clip Art
  • 19. Multimedia You can use the following video types:  avi – Windows format  mov – Apple Quicktime (any platform)  mpg – MPEG newer popular format You can use sound files of the following types:  wav – primary format for Windows  mpg – MPEG format very popular for music  midi – electronic music  au – primary Macintosh format  ra – RealAudio type – needs plugin
  • 20. Multimedia Inserting sound and movie files just as easy as pictures Considerations:  Often large files; these make downloading slow  Use only small files (1 mb or less) unless you know users will have fast access  Format issues since user has to have a plug- in or player software Guidelines:  http://www.useit.com/alertbox/9512.html
  • 21. Important Tips:  Put everything inside of one folder  Make a folder first  Keep everything for the Web site in that folder  Organization (layout)  Table of contents  Order: important information first  Copyright  Consider page length  Verify links to outside sites  File names need to be safe  No spaces  Lower case only