Edit comment LC-567 for Accessibility Guidelines Working Group

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Comment LC-567

Comment Shortname:

Commenter: Roger Hudson <rhudson@usability.com.au>

Message-id:

Section of the document concerned:

[Free text description]Document as a wholeIntroduction Related Documents Authoring tools The Role of User Agents The Four Principles of Accessibility Important New Terms Used in WCAG 2.0 Conformance Technology assumptions and the "baseline" Conformance levels and the baseline Conformance claims Content that conforms to WCAG 1.0 How to refer to WCAG 2.0 from other documents Guideline 1.1 Success Criterion 1.1.1 Guideline 1.2 Success Criterion 1.2.1 Success Criterion 1.2.2 Success Criterion 1.2.3 Success Criterion 1.2.4 Success Criterion 1.2.5 Success Criterion 1.2.6 Success Criterion 1.2.7 Guideline 1.3 Success Criterion 1.3.1 Success Criterion 1.3.2 Success Criterion 1.3.3 Success Criterion 1.3.4 Success Criterion 1.3.5 Guideline 1.4 Success Criterion 1.4.1 Success Criterion 1.4.2 Success Criterion 1.4.3 Success Criterion 1.4.4 Guideline 2.1 Success Criterion 2.1.1 Success Criterion 2.1.2 Guideline 2.2 Success Criterion 2.2.1 Success Criterion 2.2.2 Success Criterion 2.2.3 Success Criterion 2.2.4 Success Criterion 2.2.5 Success Criterion 2.2.6 Guideline 2.3 Success Criterion 2.3.1 Success Criterion 2.3.2 Guideline 2.4 Success Criterion 2.4.1 Success Criterion 2.4.2 Success Criterion 2.4.3 Success Criterion 2.4.4 Success Criterion 2.4.5 Success Criterion 2.4.6 Success Criterion 2.4.7 Success Criterion 2.4.8 Guideline 2.5 Success Criterion 2.5.1 Success Criterion 2.5.2 Success Criterion 2.5.3 Success Criterion 2.5.4 Guideline 3.1 Success Criterion 3.1.1 Success Criterion 3.1.2 Success Criterion 3.1.3 Success Criterion 3.1.4 Success Criterion 3.1.5 Success Criterion 3.1.6 Guideline 3.2 Success Criterion 3.2.1 Success Criterion 3.2.2 Success Criterion 3.2.3 Success Criterion 3.2.4 Success Criterion 3.2.5 Guideline 4.1 Success Criterion 4.1.1 Success Criterion 4.1.2 Guideline 4.2 Success Criterion 4.2.1 Success Criterion 4.2.2 Success Criterion 4.2.3 Success Criterion 4.2.4 Appendix A: Glossary Appendix B: Checklist Appendix C: Acknowledgements Appendix D: Comparison of WCAG 1.0 checkpoints to WCAG 2.0 Appendix E: References
or

Refinement of the section concerned:

Status:

open proposal pending resolved_yes resolved_no resolved_partial other assigned to Nobody Abma, Jake Abou-Zahra, Shadi Allan, Jim Auclair, Christopher Avila, Jonathan Babinszki, Tom Bailey, Bruce Bernard, Renaldo Bernier, Alex Blake, Matthew Boudreau, Denis Brewer, Judy Butler, Shari Campbell, Alastair Carlson, Laura Chakravarthula, Srinivasu Cirrincione, Pietro Conway, Vivienne Cooper, Michael Crutchfield, Elizabeth Deltour, Romain Dick, Wayne Ding, Chaohai Dirks, Kim Dixit, Shwetank Draffan, E.A. Duggin, Alistair Eggert, Eric Elledge, Michael Faulkner, Steve Ferraz, Reinaldo Fiers, Wilco Fischer, Detlev Foliot, John Garrish, Matt Garrison, Alistair Gower, Michael Guarino Reid, Loretta Hakkinen, Markku Haritos-Shea, Katie Henry, Shawn Hoffmann, Thomas Horton, Sarah Isager, Kasper Jensen, Tobias Christian Johansson, Stefan Johlic, Marc Johnson, Rick Jones, Crystal Joys Andersen, Wilhelm Kapoor, Shilpi Keim, Oliver Kirkpatrick, Andrew Kirkwood, John Kiss, Jason Kraft, Maureen Ku, JaEun Kurapati, Sujasree Lauke, Patrick Lauriat, Shawn Lee, Steve Lemon, Gez Li, Alex Li, Kepeng Li, Liangcheng Loiselle, Chris Lowney, Greg Lui, Edwina Lund, Adam Ma, Jia MacDonald, David Mace, Amanda Manser, Erich Martin, Debra McCormack, Scott McMeeking, Chris McSorley, Jan Milliken, Neil Montgomery, Rachael Mueller, Mary Jo nicole, windmann Niemann, Gundula Nurthen, James O Connor, Joshue Oh, Jeong-Hun Panchang, Sailesh Pandhi, Charu Pasi, Aparna Patch, Kimberly Philipp, Melanie Pluke, Mike Pouncey, Ian Repsher, Stephen Rochford, John Runyan, Marla Savva, Andreas Sawczyn, Steve Schnabel, Stefan Seeman-Kestenbaum, Lisa Sims, Glenda Singh, Avneesh Skotkjerra, Stein Erik Sloan, David Smith, Alan Smith, Jim Solomon, Adam Spellman, Jeanne F Strobbe, Christophe Suprock, Greg Swallow, David Thompson, Kenneth Thyme, Anne Ueki, Makoto Vaishnav, Jatin Vanderheiden, Gregg Venkata, Manoj Wahlbin, Kathleen Wang, Can WANG, WEI White, Jason Zelmanowicz, Erica Zerner, Adam Zhang, Mengni

Type: substantive editorial typo question general comment undefined

Resolution status:

Response drafted Resolution implemented Reply sent to commenter

Response status:

No response from Commenter yet Commenter approved disposition Commenter objected to disposition
Commenter's response (URI):

Comment:

Part of Item:
Comment Type: TE
Comment (including rationale for proposed change):

Success Criteria 2.4.1 is a Level 1 criteria concerned with provide mechanisms that will allow users to by pass blocks of content that are repeated on different web pages, eg navigation menus. The HTML techniques relating to this SC in the Understanding WCAG 2.0 document include the use of skip links, but there does not appear to be a requirement to make the skip links visible.

Skip links allow the user to bypass sections of the page. However, skip links that are not visible offer no benefit to sighted users of the web who rely on switching devices.

A user who is dependent on a switching device, such as a pressure switch in a headrest or a \'suck –puff\' straw, often has to physically activate the device many times as they tab though many navigation links on their way to the page content. The inclusion of a visible \"skip to content\" link at the top of the page would allow them to jump directly to the content.


Proposed Change:

I suggest the Working Group explicitly require skip links to be present and to be visible.

Related issues: LC-1292
(space separated ids)

WG Notes: [TEAMB] This was debated and not-accepted when working on this SC. Need to find record in the minutes. See http://trace.wisc.edu/bugzilla_wcag/show_bug.cgi?id=1831 : Discussed at the 16 February 2006 teleconference: [1] The proposal to include a level 2 success criterion that required that skip navigation mechanisms be visible was not accepted. However the techniques indicate that visible skip links are preferred. [1] http://www.w3.org/WAI/GL/2006/02/16-wai-wcag-minutes.html Discussed in the 27 July 2006 telecon: resolution: accept LC-567 and LC-1292 with amendments to the technique and response resolution: modify response to LC-567 and LC-1292 to add "However, the Working Group recognizes the usefulness of visible skip navigation for switch users, those using techniques that generate keyboard strokes slowly and others, and have changed the Example 2 in G1 to reflect this." [16:09] Andi: resolution: modify the Note after Example 2 in G1 (proposed in LC-567) to "NOTE: When possible a visible link is preferred over a hidden link. Visible links are necessary for those navigating with a keyboard including switch users, those using techniques that generate keyboard strokes slowly, screen magnification software users, screen reader users working with sighted collegues, keyboard only users and those navigating using voice recognition software." http://www.w3.org/WAI/GL/2006/07/27-wai-wcag-minutes.html DONE Add a NOTE at the end of Example 2 (A "Skip to main content" link) in General Technique G1 (Adding a link at the top of each page that goes directly to the main content area) which says "NOTE: When possible a visible link is preferred over a hidden link. Visible links are necessary for those navigating with a keyboard including switch users, those using techniques that generate keyboard strokes slowly, screen magnification software users, screen reader users working with sighted collegues, keyboard only users and those navigating using voice recognition software." XML Source updated 04 August.

Resolution: This issue has been discussed by the working group many times. Providing skip links that are visible is one instance that satisfies SC 2.4.1 (A mechanism is available to bypass blocks of content that are repeated on multiple web pages), but is not required. Providing visible skip navigation links was considered a difficult requirement for all content at Level A because of the potential for visual clutter making content harder to understand. However, the Working Group recognizes the importance of visible skip navigation for switch users, those using techniques that generate keyboard strokes slowly and others, and have changed the Example 2 in G1 to reflect this. A note has been added which says "NOTE: When possible, a visible link is preferred over a hidden link. Visible links are necessary for those navigating with a keyboard including switch users, those using techniques that generate keyboard strokes slowly, screen magnification software users, screen reader users working with sighted collegues, keyboard only users and those navigating using voice recognition software."

(Please make sure the resolution is adapted for public consumption)