Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Related Books

Free with a 30 day trial from Scribd

See all

Related Audiobooks

Free with a 30 day trial from Scribd

See all

WCAG-CAC_csun12

  1. 1. Harmonizing WCAG Conformity Assessment Method Session WEB-036 CSUN 2012
  2. 2. Harmonizing WCAG Conformity Assessment Method Authors • Dominique Burger : BrailleNet association, president Contact : dominique.burger@upmc.fr • Jean-Pierre Villain : Qelios company, technical director Contact : jpvillain@yahoo.fr • Denis Boulay (speaker) : BrailleNet association, AccessiWeb director Contact : denis.boulay@accessiweb.org
  3. 3. Harmonizing WCAG Conformity Assessment Method We are from here
  4. 4. Harmonizing WCAG Conformity Assessment Method Content of the session • Presentation of the WCAG CAC (Conformity Assessment Cohenrence) project • Description of a list’s management tool • Demonstration of the tool prototype
  5. 5. Harmonizing WCAG Conformity Assessment Method WCAG 2.0 is the universal reference for Web Accessibility • Europe : Communication "Towards an accessible information society" (1.12.2008) • France : Law on the rights of people with disabilities – Article 47 : accessibility of public online services (11.02.2005) Creation of an e-accessibility checklist (RGAA) based on WCAG 2.0 (23.10.2009)
  6. 6. Harmonizing WCAG Conformity Assessment Method Demand for independent conformity assessment Third Party Certification • Quality Marks : • Assessment methods • Checklist • Single tests • Certification Process
  7. 7. Harmonizing WCAG Conformity Assessment Method Several schemes have emerged • Belgium • France • Italy • Spain • UK All refering to WCAG2.0 ! It works locally in different countries
  8. 8. Harmonizing WCAG Conformity Assessment Method Practical questions • Do they really cover 100% WCAG2.0 ? • Do they provide additional information ? • What correspondences between them ? • Do they tell the same story about Web sites ? • Is it possible to certify in one country using a scheme developed in another ?
  9. 9. Harmonizing WCAG Conformity Assessment Method WCAG Conformity Assessment Coherence - Phase 1 • Sample pages (32) covering all WCAG AA • Evaluation by experts according their checklists • Comparison of the results • Descriptive Questionnaire to learn more about each checklist and assessment methods
  10. 10. Harmonizing WCAG Conformity Assessment Method WCAG Conformity Assessment Coherence - Phase 2 Development of a tool : • Model of Data • Proof of concept
  11. 11. Harmonizing WCAG Conformity Assessment Method The project has two main objectives Analyse Use 1. Provide analysis tools to assure 1. Provide tools for the expert in the relation between : order to : 1. a checklist to WCAG 1. adapt a checklist to a web 2. a checklist to another project checklist 2. use several checklists for a 3. several checklists to WCAG same web project 4. several checklists to one 3. Facilitate maintenance and checklist update of checklists
  12. 12. Harmonizing WCAG Conformity Assessment Method WCAG CAC project Objective : provide a common recognition scheme based on multiple checklists UWEM (Unified Web Evaluation Methodology) Solution Common checklist Allow to : 1. Choose a working checklist (eg. AW) Lowest common denominator 2. Choose targeted checklists Not adapted to checklists, practices and tools used locally Obtain a version of your working checklist adapted to the constraints and requirements of all targeted checklists Rarely used
  13. 13. Harmonizing WCAG Conformity Assessment Method The expert, his working checklist and a web project Objective : work only on what is useful Problem Solution A checklist covers all possible cases Allow to : 1. Adapt a checklist : 1. Only useful elements 2. add personalized criteria, key- A lot of « noise » due to the words, modify the structure unnecessary criteria presence in the context of the project Obtain a version of its working Increase of the expert work checklist really adapted to the More complexity in the results analysis targeted project
  14. 14. Harmonizing WCAG Conformity Assessment Method Problem Checklists have different structures Checklists Nb of elements Description Notes WCAG 2.0 4 Principle Guideline Success criterion Techniques AccessiWeb 2.1 4 Thematic Criterion Test Conditions AnySurfer 2 Bloc Guideline Abilitynet 1 Success criterion Technosite/MEWA 1 Criterion UWEM 2 4 Principle Guideline Success criterion Techniques
  15. 15. Harmonizing WCAG Conformity Assessment Method Problem The relationship to WCAG is established via a measuring level belonging to each checklist Checklists Nb of elements Description Notes WCAG 2.0 4 Principle Guideline Success criterion Techniques AccessiWeb 2.1 4 Thematic Criterion Test Conditions AnySurfer 2 Bloc Guideline Abilitynet 1 Success criterion Technosite/MEWA 1 Criterion UWEM 2 4 Principle Guideline Success criterion Techniques
  16. 16. Harmonizing WCAG Conformity Assessment Method Resulting data model
  17. 17. Harmonizing WCAG Conformity Assessment Method WCAG CAC Physical Data View
  18. 18. Harmonizing WCAG Conformity Assessment Method The constraint of the Data Model A unique measuring level A one-to-one relationship with WCAG Case of AnySufer A measuring level is defined by : Original structure : 1. A main success criterion - Bloc 2. One or several additional - Guideline (mesuring level) success criteria - Critère (mesuring level) "Rectifying" structure The relationship with WCAG is - Bloc defined by the main success - Guideline (mesuring level) criterion
  19. 19. Harmonizing WCAG Conformity Assessment Method Model of correspondence request Requests 1. Fusion (Request « Via ») : to mix the checklists 2. Comparison (Request « Vs ») 1. Completion : add informations 2. Difference : remove information
  20. 20. Harmonizing WCAG Conformity Assessment Method Example for request « Via » Resulting structure Common structure N N1 WCAG N N1 AW 2.1 N2 N2 Via N AW 2 N3 WCAG N1 N4 N2 N3 N4
  21. 21. Harmonizing WCAG Conformity Assessment Method Example of a complex Resulting structure request N Common structure AW 2.1 N1 AW 2.1 N N2 N1 + N2 RGAA RGAA AnySurfer N2 N2 N3 + N3 AnySurfer AW 2.1 N4 N4 The request displays AccessiWeb 2.1 checklist with, for each test, all RGAA and Anysurfer checklist’s tests to add : all those who have no correspondence with AccessiWeb 2.1 checklist
  22. 22. Harmonizing WCAG Conformity Assessment Method Prototype 1. Validate the data model 2. Elaborate the requests engine 3. Testing all the requests Phase 1 : simple case Phase 2 : more complex cases Checklist Checklist Checklist Checklist Checklist Checklist WCAG WCAG Checklist CAC
  23. 23. Harmonizing WCAG Conformity Assessment Method Online Demo
  24. 24. Harmonizing WCAG Conformity Assessment Method Thank you Questions ?

×