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IMPORTANT Note to Presenters. The slides themselves have limited text, in order to avoid participants reading much while you are talking. There are extensive presenter’s notes in the Notes section. Make sure you can read them in preparing for a presentation.

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Important note to presenters
IMPORTANT Note to Presenters

The slides themselves have limited text, in order to avoid participants reading much while you are talking.

There are extensive presenter’s notes in the Notes section. Make sure you can read them in preparing for a presentation.

On this slide, the notes start with “[NOTES SECTION:…”


Wcag 2 0 web content accessibility guidelines update

WCAG 2.0Web Content Accessibility GuidelinesUpdate

DRAFT Last Updated 16 August 2007

Note: This document contains unapproved draft ideas and should not be referenced or quoted under any circumstances.


Talk about today
Talk about today

  • What is WCAG- along with Who, Where, When, Why, and How

  • What WCAG 2 gives you- Applies to more advanced technologies- Clearer criteria- Flexible, adaptable- Practical implementation examples and info

  • Making accessibility easier & better- Authoring tools and browsers

  • What you can do now


We won t cover
We won’t cover

  • The basics of Web accessibility and WCAG 1.0

  • The business case

  • Policies, laws,

  • … and such

    Will provide resources for these.


Wcag web content accessibility guidelines
WCAG = Web Content Accessibility Guidelines

  • International standard

  • Applies to Web pages, sites, applications

  • For:

    • Web developers and designers,

    • Authoring tool and evaluation tool developers, and

    • Others who need a technical standard.

    • (not for novices)


Who develops wcag
Who develops WCAG

  • The standards-making body for the Web

  • International, multi-stakeholder

  • Formal process


How wcag is developed stage 1
How WCAG is developed, Stage 1

WCAG Working Group development

Community|Public review and comment

WCAG Working Draft


Getting better with age
Getting better with age

For example, clearer with less jargon

  • 2006 Draft:4.1.1 Web units or authored components can be parsed unambiguously, and the relationships in the resulting data structure are also unambiguous.

  • 2007 draft:4.1.1 Parsing: Content implemented using markup languages has elements with complete start and end tags, except as allowed by their specifications, and are nested according to their specifications.


Getting better with age1
Getting better with age

  • Note new and improved documents:

    • WCAG 2 FAQ

    • WCAG 2.0 Quick Reference

    • Summary of Issues, Revisions, and Rationales for Changes to WCAG 2.0 2006 Last Call Draft


When will wcag 2 0 be completed

When will WCAG 2.0be completed?


Milestones
Milestones

  • Working Drafts

  • Last Call Working Draft


Milestones1
Milestones

  • Public Working Drafts

  • Last Call Working Draft

  • Candidate Recommendation

    • Implementations

  • Proposed Recommendation

  • W3C Recommendation =Web Standard


How WAI Develops Accessibility Guidelines through the W3C Process: Milestones and Opportunities to Contribute


Wcag 1 0 wcag 2 0

WCAG 1.0 --> WCAG 2.0 Process: Milestones and Opportunities to Contribute


WCAG 2.0 WD Process: Milestones and Opportunities to Contribute

Principles

Guidelines

WCAG 1.0

Guidelines


WCAG 2.0 WD Process: Milestones and Opportunities to Contribute

Principles: POUR

Perceivable

Operable

Understandable

Robust

Guidelines

WCAG 1.0

Guidelines


What wcag 2 gives you
What WCAG 2 gives you Process: Milestones and Opportunities to Contribute

  • Easier to understand success, that is:more precisely testable(do still need human)


WCAG 2.0 WD Process: Milestones and Opportunities to Contribute

Principles: P-O-U-R

Guidelines

Success CriteriaLevel A, AA, AAA

WCAG 1.0

Guidelines

CheckpointsPriority 1, 2, 3


  • WCAG 1.0 Checkpoint Process: Milestones and Opportunities to Contribute

    • 2.2 Ensure that foreground and background color combinations provide sufficient contrast when viewed by someone having color deficits…


  • WCAG 1.0 Checkpoint Process: Milestones and Opportunities to Contribute

    • 2.2 Ensure that foreground and background color combinations provide sufficient contrast when viewed by someone having color deficits…

  • WCAG 2.0 Success Criteria

    • Text (and images of text) have a contrast ratio of at least 5:1…(from the May 2007 Draft)


What wcag 2 gives you1
What WCAG 2 gives you Process: Milestones and Opportunities to Contribute

  • Applies to more advanced Web technologies- current, future, non-W3C

  • Adaptable, flexiblefor different situations,and developingtechnologies and techniques


WCAG 2.0 Process: Milestones and Opportunities to Contribute

  • www.w3.org/TR/WCAG20/

  • Formal Web standard draft, planned to become a “W3C Recommendation”

  • “Normative”


WCAG 2.0 Process: Milestones and Opportunities to Contribute

Techniques

  • “Informative”supporting document

  • Examples for HTML, CSS, etc.

  • Can be updated


Wcag 2 0 requirements are more flexible

WCAG 2.0 requirements are more flexible Process: Milestones and Opportunities to Contribute


More design flexibility
More design flexibility Process: Milestones and Opportunities to Contribute

  • WCAG 1.0 Checkpoint 7.1:Until user agents allow users to control flickering, avoid causing the screen to flicker

  • WCAG 2.0 allows more movement within defined parameters


Scripting allowed
Scripting allowed! Process: Milestones and Opportunities to Contribute


Scripting techniques
Scripting Techniques Process: Milestones and Opportunities to Contribute

  • Providing client-side validation and alert

  • Using functions of the Document Object Model (DOM) to add content to a page

  • Using Dynamic Web Content Accessibility to programmatically identify form fields as required

  • . . .


Flexibility for rich internet applications
Flexibility for rich Internet applications Process: Milestones and Opportunities to Contribute

  • WAI-ARIA:Accessible Rich Internet Applications Suite

  • Techniques for meeting WCAG 2.0

  • E.g., accessible and highly usable expanding and collapsing menus/tree controls/nav bars


Wai aria status
WAI-ARIA status Process: Milestones and Opportunities to Contribute

  • Implementations already in browser and screen reader

  • Documents

    • Technical material for tool and specification developers

    • Best practices for Web content developers


Wcag 2 0 flexibility for different situations
WCAG 2.0 flexibility for different situations Process: Milestones and Opportunities to Contribute

Accessibility Supported Technologies(formerly “Baseline”)


What wcag 2 gives you2
What WCAG 2 gives you Process: Milestones and Opportunities to Contribute

  • Extensive supporting materials, - practical implementation guidance


WCAG 2.0 WD Process: Milestones and Opportunities to Contribute

Principles: P-O-U-R

Guidelines

Success CriteriaLevel A, AA, AAA

2.0 Support

Techniques +

Understanding

WCAG 1.0

Guidelines

CheckpointsPriority 1, 2, 3

1.0 Support

Techniques


Techniques Process: Milestones and Opportunities to Contribute

WCAG 2.0

Understanding

  • “Informative”supporting document

  • Reference manual


Techniques Process: Milestones and Opportunities to Contribute

WCAG 2.0

Understanding


Techniques Process: Milestones and Opportunities to Contribute

WCAG 2.0

Quick Reference!

Understanding


Overview Process: Milestones and Opportunities to Contribute

WCAG 2 FAQ

Issues, Changes

Techniques

WCAG 2.0

Quick Reference!

Understanding


What wcag 2 gives you3
What WCAG 2 gives you Process: Milestones and Opportunities to Contribute

  • Applies to more advanced Web technologies- current, future, non-W3C

  • Adaptable, flexible for different situations,and developing technologies and techniques

  • More precisely testable

  • Extensive supporting materials, - practical implementation guidance


Accessibility wcag accessibility people using web
Accessibility Process: Milestones and Opportunities to Contribute≠ WCAGAccessibility = people using Web

  • WAI Resources

    • How People with Disabilities Use the Web

    • Involving Users in Web Accessibility [Design and] Evaluation

  • Videos



Who is responsible for web accessibility

Who is responsible for disabilities use your siteWeb accessibility?


Components of web accessibility
Components of Web Accessibility disabilities use your site

Web Content(WCAG)


Components of web accessibility1
Components of Web Accessibility disabilities use your site

Web Content(WCAG)

User Agent(UAAG)


Components of web accessibility2
Components of Web Accessibility disabilities use your site

Web Content(WCAG)

Authoring Tool(ATAG)

User Agent(UAAG)


Making accessibility easier for site developers and better for users

Making accessibility disabilities use your siteeasier for site developersand better for users!


Actively encourage accessibility improvements in tools
Actively encourage disabilities use your siteaccessibility improvementsin tools

A c t i o n !


What else you can do now
What else you can do now disabilities use your site

A c t i o n !


Get into wcag 2 0 drafts

Get into WCAG 2.0 Drafts disabilities use your site


Start here with wcag 2 0

Using it disabilities use your site

www.w3.org/WAI/WCAG20/quickref/

Learning about it

www.w3.org/WAI/intro/wcag20.php

Start here with WCAG 2.0

Quick Reference!

Overview


Talked about today
Talked about today disabilities use your site

  • What is WCAG- along with Who, Where, When, Why, and How

  • What WCAG 2 gives you- Applies to more advanced technologies- Clearer criteria- Flexible, adaptable- Practical implementation examples and info

  • Making accessibility easier & better- Authoring tools and browsers

  • What you can do now


Questions
Questions? disabilities use your site

  • WCAG 2 FAQwww.w3.org/WAI/WCAG20/wcag2faq

  • WAI Interest Group mailing listarchive:http://lists.w3.org/Archives/Public/w3c-wai-ig/subscribe: www.w3.org/WAI/IG/Overview.html#Uselist


Actively encourage real accessibility reward web sites tools developers thank you

Actively encourage real accessibility disabilities use your siteReward web sites, tools, developers,Thank you!


  • W3C WAI disabilities use your sitewww.w3.org/WAI/

  • Introduction to Web Accessibilitywww.w3.org/WAI/intro/accessibility

  • Understanding Web Accessibility[??non-W3C ok?]www.uiaccess.com/understanding.html

  • Developing a Web Accessibility Business Case for Your Organization www.w3.org/WAI/bcase/Overview

  • How WAI Develops Accessibility Guidelines through the W3C Processwww.w3.org/WAI/intro/w3c-process

  • WAI Resourceswww.w3.org/WAI/Resources/Overview


  • Overview of WCAG 2.0 Documents disabilities use your sitewww.w3.org/WAI/intro/wcag20

  • WCAG 2 FAQwww.w3.org/WAI/WCAG20/wcag2faq

  • WCAG 2.0 Quick Referencewww.w3.org/WAI/WCAG20/quickref/

  • Summary of Issues, Revisions, and Rationales for Changes to WCAG 2.0 2006 Last Call Draftwww.w3.org/WAI/GL/2007/05/change-summary

  • WAI-ARIA Suite Overviewwww.w3.org/WAI/intro/aria


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