Interactive Web Site Limitations


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Interactive Web Site Limitations

  1. 1. Interactive Web Site Limitations Copyright ©2003 Deb Murphy
  2. 2. Note <ul><li>This lecture does not include information about the Americans with Disabilities Act </li></ul><ul><li>We will be covering that material during our next class meeting. </li></ul>
  3. 3. Objectives <ul><li>User Limitations </li></ul><ul><li>Hardware Limitations </li></ul><ul><li>Software Limitations </li></ul><ul><li>Network Limitations </li></ul><ul><li>Website Limitations </li></ul>
  4. 4. User Limitations Novice Intermittent Expert Novice-Expert continuum of users
  5. 5. User Limitations <ul><li>What are some user limitations? </li></ul><ul><ul><li>Newbie to Expert </li></ul></ul><ul><ul><ul><li>Computer usage </li></ul></ul></ul><ul><ul><ul><li>Internet usage </li></ul></ul></ul><ul><ul><ul><li>Over and underestimating computer abilities </li></ul></ul></ul>
  6. 6. User Limitations <ul><li>What are some user limitations? </li></ul><ul><ul><li>Cultural differences </li></ul></ul><ul><ul><ul><li>Colors </li></ul></ul></ul><ul><ul><ul><li>Use of Emoticons </li></ul></ul></ul><ul><ul><li>Lack of understanding of Internet Culture </li></ul></ul><ul><ul><ul><li>E-mails in all cap letters is considered shouting except when getting email from a blind reader </li></ul></ul></ul><ul><ul><ul><li>Emoticons </li></ul></ul></ul>
  7. 7. User Limitations <ul><li>What are some user limitations? </li></ul><ul><ul><li>Attention span </li></ul></ul><ul><ul><ul><li>If the page does not load within seconds the person moves onto something else. </li></ul></ul></ul><ul><ul><li>Digital divide </li></ul></ul><ul><ul><ul><li>The person cannot afford Internet access and a computer. </li></ul></ul></ul>
  8. 8. Hardware Limitations <ul><li>How often do people replace their computers? </li></ul><ul><ul><li>KSU’s refresh program is 3 years </li></ul></ul><ul><ul><li>People may keep home computers longer </li></ul></ul><ul><li>Is the equipment too old? </li></ul><ul><ul><li>Anyone have a 486? I have two – one running Linux and the other one Win98. </li></ul></ul><ul><li>Is the hard drive too full to add any more software? </li></ul>
  9. 9. Software Limitations <ul><li>Use of obsolete software </li></ul><ul><ul><li>MS Works </li></ul></ul><ul><ul><li>Word Perfect 5.1 </li></ul></ul><ul><li>Lack of understanding on how to use the computer’s software </li></ul><ul><ul><li>Browser differences </li></ul></ul><ul><ul><li>Age of the browser </li></ul></ul><ul><li>Use of non-standard software </li></ul><ul><ul><li>Freeware from a download site </li></ul></ul><ul><ul><li>Warez from a download site </li></ul></ul>
  10. 10. Software Limitations <ul><li>Browsers </li></ul><ul><ul><li>Internet Explorer </li></ul></ul><ul><ul><li>Netscape </li></ul></ul><ul><ul><li>Mozilla </li></ul></ul><ul><ul><li>Opera </li></ul></ul><ul><ul><li>Amaya </li></ul></ul><ul><ul><li>Lynx </li></ul></ul><ul><ul><li>Neoplanet </li></ul></ul><ul><ul><li>Apple Safari </li></ul></ul><ul><ul><li>Konqueror </li></ul></ul><ul><ul><li>iCab </li></ul></ul><ul><ul><li>Ka Ko'okele </li></ul></ul>
  11. 11. Network Limitations <ul><li>Dialup vs. cable or dsl access </li></ul><ul><ul><li>Use of video </li></ul></ul><ul><ul><ul><li>Downright terrible on a dialup connection </li></ul></ul></ul><ul><ul><li>Use of audio </li></ul></ul><ul><ul><li>Creation of broadband web sites </li></ul></ul><ul><ul><ul><li> </li></ul></ul></ul>
  12. 12. Network Limitations <ul><li>Denial of service attacks </li></ul><ul><li>Viruses, worms, etc. </li></ul><ul><li>Limitations caused by software </li></ul><ul><ul><li>Software may be limited by firewall. </li></ul></ul><ul><li>Limitations caused by network administrator or local policies </li></ul><ul><ul><li>Use of chat rooms for educational purposes may be limited because a port has been closed </li></ul></ul><ul><ul><li>Library funding example </li></ul></ul>
  13. 13. Network Limitations <ul><li>Firewalls </li></ul><ul><ul><li>Limits access to your network or computer </li></ul></ul><ul><li>Proxy servers </li></ul><ul><ul><li>Gathers websites that were recently visited then when the user ‘visits’ that sight again it’s actually a copy </li></ul></ul><ul><li>Web Search Engines </li></ul><ul><ul><li>Spider may chose the wrong subject to place the site under </li></ul></ul><ul><ul><li>Developer may be using meta commands to tell the spider what the subject is </li></ul></ul>
  14. 14. Website Limitations <ul><li>Is the website too complex? </li></ul><ul><ul><li>Difficult to navigate </li></ul></ul><ul><ul><ul><li>A single menu level is better than many smaller menus </li></ul></ul></ul><ul><ul><ul><li>Navigation should let users know </li></ul></ul></ul><ul><ul><ul><ul><li>Where they are </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Where they are going </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Where they have been </li></ul></ul></ul></ul><ul><ul><ul><li>Where should navigation be located at? </li></ul></ul></ul><ul><ul><li>Difficult to find information </li></ul></ul><ul><ul><ul><li>Research as found that people will give up after 4-5 mouse clicks if they cannot find the information they are seeking </li></ul></ul></ul>
  15. 15. Website Limitations <ul><li>Website Maintenance </li></ul><ul><ul><li>When was the web site created? </li></ul></ul><ul><ul><li>Has it been maintained? </li></ul></ul><ul><ul><li>Is the website obsolete? </li></ul></ul><ul><li>Is the website created by a viable agency? </li></ul><ul><ul><li>A website created by MoonStar does not hold the same validity as a site created for the National Football League </li></ul></ul>
  16. 16. Website Limitations <ul><li>Legal considerations </li></ul><ul><ul><li>napster </li></ul></ul><ul><li>Font limitations </li></ul><ul><ul><li>Is the font available on the users machines? </li></ul></ul><ul><li>Graphic limitations </li></ul><ul><ul><li>Too large </li></ul></ul><ul><ul><li>Difficult to view </li></ul></ul><ul><li>Web hosting limitations </li></ul><ul><ul><li>Web site size limitations </li></ul></ul>
  17. 17. Website Limitations <ul><li>Poorly designed web sites </li></ul><ul><li>Does the website use too much bandwidth </li></ul><ul><ul><li>Video </li></ul></ul><ul><ul><li>Audio </li></ul></ul><ul><ul><li>Flash </li></ul></ul><ul><ul><li>File size </li></ul></ul><ul><ul><li>Wireless </li></ul></ul><ul><li>Security </li></ul>
  18. 18. Website Limitations <ul><li>Browser incompatibility </li></ul><ul><ul><li>Site was created for only one browser </li></ul></ul><ul><ul><ul><li>Example: Mac computer with Netscape 4.7 trying to access WebCT VISTA yesterday </li></ul></ul></ul>
  19. 19. Conclusion <ul><li>Web site interactivity may be limited by numerous factors </li></ul><ul><ul><li>User </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><li>Software </li></ul></ul><ul><ul><li>Network </li></ul></ul><ul><ul><li>Website design </li></ul></ul>
  20. 20. End