Elements of Usability

Elements of Usability

1. • High-quality content

2. • Easy navigation

3. • Coherent information architecture

4. • Search capability

5. • Relevant services

6. Test usability close to end of project

7. Web Accessibility Initiative (WAI).

   • (WAI) works in 5 areas technology, guidelines, tools, education and outreach, and research and development.
   • WAI conformance
     • • Conformance Level "A" • Conformance Level "Double-A" • Conformance Level "Triple-A"
       • Priority 1 = must Priority 2 = should Priority 3 = may

8. Browsers and Design Considerations

   • Avoid These Technologies
     • Single-browser technologies
       • ActiveX controls
         • Reliance on browser navigation
           • Pop-up and pop-under windows
             • Spam

9. Browser elements

   • Rendering engine
     • Interpreter
   • Sandbox
   • Thread
   • Authentication information storage
   • Encryption engine
   • Download controls

10. Chrome features

    • Uncluttered interface
    • Multithreading
    • Improved sandboxing
    • Isolated tabs
    • Incognito mode
    • Support for Web applications

11. TinyURL= Alias

12. Utilizing CAPTCHA

    • Completely Automated Public Turing Test to Tell Computers and Humans Apart

13. Navigation

    • moving from one point to another in an understood and controlled manner with purpose
    • Primary navigation= Elements accessible from most locations
    • Secondary navigation= Allows user to navigate within specific location
    • Navigation Hierarchy= information architecture
    • Positional awareness
      • * Headings * Colors Images * Path Markers * Site Map
    • Extensive Navigation
      • - site identifiers - landmark page access - browser history - information architecture - link colors - site map
    • Design best practices
      • Determine users' goals and needs Learn from navigation that works Provide quick links Go deeper than the home page Design for various user preferences
      • Providing feedback = biggest impact on users