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Web Accessibility Guidelines: The Debate Over Enforcement Andreas Giannakoulopoulos Department of Audio & Visual Arts Ionian University ISIL 2010 3rd International Seminar on Information Law 26.06.2010 - Corfu
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2 Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement 26.06.2010 ISIL 2010 - CORFU Overview Main Questions Historical Background WCAG Overview Technical Description Basic Principles/Directions Stakeholders – Beneficiaries Methods of Evaluation Arguments In Favour of WCAG Enforcement People-Oriented Output-Oriented Arguments Against WCAG Enforcement People-Oriented Output-Oriented Current Examples National/International Policies Organizational Policies (business case) Points of Discussion Conclusions
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Main Questions 1.What is the current status of accessibility guidelines in general? 2.What is the current situation concerning the enforcement of WCA guidelines or other related standards? 3.What are the arguments supporting the enforcement of WCA guidelines and the objections to such an enforcement? 4.Is there a middle way out of the debate? 26.06.2010 3
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Historical Background I Landmarks 1994 Tim Berners-Lee founds the World Wide Web Consortium (W3C) W3C: Body responsible for coordinating development of Web standards Aim: creating standards to improve the quality of the Web First meeting of the W3C Advisory Committee Aims: leading the WWW to its full potential royalty-free/accessible technology 26.06.2010 4
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Historical Background II 1997 The W3C launches the Web Access Initiative (WAI) WAI: W3C group responsible for developing guidelines which will ensure Web resources are widely accessible. Aim: making the Web accessible to people with disabilities 1999 Launching of Web Content Accessibility Guidelines 1.0 WCAG: set of WAI guidelines WCAG 1.0 becomes a W3C Recommendation 2008 Launching of Web Content Accessibility Guidelines 2.0 WCAG 2.0 becomes a W3C Recommendation 26.06.2010 5
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Web Content Accessibility Guidelines An Overview 26.06.2010 6 Technical Description WCAG – Definition Part of a series of WAI guidelines on providing advice for making Web content accessible, primarily for disabled users, but also for all users. Other WAI guidelines cover accessible user agents (browsers) and accessible authoring tools.
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Web Content Accessibility Guidelines WCAG 1.0 26.06.2010 7 14 guidelines 3 testable priority levels/success criteria: 1.Requirements must be satisfied for one or more groups to access Web content (A) 2.Requirements should be satisfied, otherwise some groups will have difficulty accessing Web content (AA) 3.Requirements may be satisfied, in order to make it easier for some groups to access Web content (AAA)
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Web Content Accessibility Guidelines WCAG 2.0 26.06.2010 8 more robust, measurable, technology-independent more supporting information 4 principles: 1. Perceivable 2. Operable 3. Understandable 4. Robust 12 revised guidelines Same 3 testable priority levels/success criteria (A, AA, AAA)
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Web Content Accessibility Guidelines Basic Principles/Directions Web – Increasingly important Disabled people – Right to participate (UN Convention on the Rights of Persons with Disabilities) Web – Equal access Web Accessibility 26.06.2010 9
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Stakeholders and Beneficiaries Around 10 ‐ 20% of the population in most countries have a disability Web accessibility concerns people operating under permanent or temporary constraints (physical disability, surroundings): Congenitally disabled people Temporarily disabled people (injuries) Seniors (ageing health problems) People without disabilities (i.e. every user): ▫ People with different needs/preferences ▫ People working under special conditions 26.06.2010 10
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Methods of Evaluation Objective/Automated (Tools: software programs or online services) Subjective/Manual Assessment (experts or non-experts) Inclusive/Semi-automated (combination of the above) 26.06.2010 11
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Arguments In Favour of WCAG Enforcement People-Oriented Promotion of a basic human right All users are benefited State provides active support to disabled people Organizations put higher priority on accessibility 26.06.2010 12
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Arguments In Favour of WCAG Enforcement Output-Oriented Web coherence/functionality/universality is enhanced Organizations/companies open up a new market Legislation guarantees standardization; standardization ensures: measurable/assessable output consistency, credibility, comparability 26.06.2010 13
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Arguments Against WCAG Enforcement People-Oriented Providing guidelines means “helping” Priority to education Increase of awareness 26.06.2010 14
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Arguments Against WCAG Enforcement Output-Oriented Enforcement of… what? immature ineffective Problem of Evaluation insufficient debatable 26.06.2010 15
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Motivation vs Enforcement Emphasis on the positive aspects/benefits of Web accessibility Positive PR Wider audience Search engine friendly Emphasis on the negative aspects of inaccessibility Lose potential users Bad publicity 26.06.2010 16
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Current Examples National/International Policies I UN World Program of Action (1982) Disability Convention (2006) Countries are required to eliminate barriers and ensure that disabled people can access information and communication technologies. (Article 9) EU Co-funded W3C WCAG Information Society for all (EC Mandate M.376) e-Accessibility Initiative EDeAN (European Design for All e-Accessibility Network) 26.06.2010 17
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Current Examples National/International Policies II US Section 508 (1998, applying to public sector) Australia WCAG conformance in public sector and commercial websites Canada WCAG conformance level AA 26.06.2010 18
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Current Examples Organizational Policies (business case) Widespread awareness of Web accessibility issues Legal framework drives IT companies towards making accessible products Agencies developing Web content and Web sites are responsible for understanding laws, guidelines and standards Where treaties do not exist, there is technical guidance 26.06.2010 19
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Points of Discussion Current drive towards “mainstreaming” of disabled people Web accessibility is everybody’s problem Standards promote internationalization/interoperability Enforcement does not seem to yield results WCAG criticized for technical insufficiency Accessibility means Standards Compliance? 26.06.2010 20
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Andreas Giannakoulopoulos Web accessibility guidelines: the debate over enforcement ISIL 2010 - CORFU Conclusions Reality proves guidelines enforcement ineffective Priority to Education Guidelines: helping tools/step in the way, not a destination Legal standardization: Tool to measure accessibility Not punitive character Implemented in public sector The carrot or the stick? Accessibility and common sense vs Standards Acceptance of: Inadequacy of evaluation methods Relativity of “design for all” 26.06.2010 21
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ISIL 2010 - CORFU
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