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Introduction of WCAG
Office of the Government Chief Information OfficerIndustry Development Division
26 July 2019
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Web Content Accessibility Guidelines
World Wide Web Consortium (W3C)
• consists of people from industries, disability organisations, governments, and research labs from
around the world
• develops strategies, guidelines, and resources to help make the web accessible to people with disabilities
Web Content Accessibility Guidelines (WCAG)
• developed by W3C
• version 1.0 in 1999, ver 2.0 in 2008 ; ver 2.1 in 2018
• http://www.w3.org/WAI/
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WCAG 2 - Principles
4 Principles
• Content is Perceivable
• User interface components and navigation are
Operable
• Information and operation are Understandable
• Content is Robust enough to be interpreted reliably by
a wide range of web browsers, assistive technologies,
etc.
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WCAG 2 - Conformance
• There are three levels of conformance –
Level A
Basic
Level AA
Recommended
Level AAA
Ideal
Level AA Conformance
WCAG 2.0
WCAG 2.1
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Introduction of WCAG 2.1
• W3C’s official recommendation, released on 5 June, 2018.
• Add 17 additional success criteria to address:
Mobile accessibility
People with low vision
People with cognitive and learning disabilities
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Introduction of WCAG 2.1
• 12 new success criteria in the WCAG 2.1 Level AA
Level WCAG 2.0 WCAG 2.1New Success
Criteria
A 25 30 5
AA 13 20 7
AAA 23 28 5
Total 61 78 17
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What’s Next?
Accessibility Guidelines (AG) 3.0 ‒ Silver
• W3C plans to release AG 3.0 in November 2021
Goals
Easier of use, reference and understand
Expanded scope
Inclusive of more disabilities, perspectives and technologies
Useful for more people
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Web/Mobile App Accessibility Campaign since 2011
• To facilitate access to online information and services for all people of the community including persons with disabilities
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Multi-pronged Approach
Government
Leadership
Fostering
Awareness
Promulgating
Guidelines and Tips
Nurturing Expertise &
Organising
Recognition Scheme
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Policy in Government
• Government has been implementing web and mobile app accessibility guidelines since 1999 and 2013
• Websites Including thematic websites, except archive materials,
to achieve W3C WCAG 2.0 Level AA standard by January 2013 within practicable means
• Mobile Apps Full compliance to the Baseline Accessibility Criteria
for Government Mobile App on or before 1 July 2019
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• Webforall Portal www.webforall.gov.hk
Web Accessibility Handbook
Mobile Application Accessibility Handbook
Live-example of Success Criteria
Accessible Templates and Developer Guide
FAQs
More is coming …..
Useful Resources
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Useful Resources
• Web/Mobile App Designers’ Cornerwww.webforall.gov.hk/wdc
Facilitating the sourcing of ICT professional services for the implementation of web/mobile app accessibility designs
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We Need Your Support
• Adopt web/mobile app accessibility design in websites, mobile apps or other ICT services
• Promote the awareness of web/mobile app accessibility to other people
• Observe latest guidelines and standards
• Join Web Accessibility Recognition Scheme
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Thank you!Web and Mobile App Accessibility Support Team
Email: wac@ogcio.gov.hk
Tel. no.: 2582 6078
Web/Mobile App Accessibility Campaignwww.webforall.gov.hk
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