Getting Down and Dirty with Accessibility and Usability workshop at TCUK12
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Transcript and extra notes available at http://www.mardahl.dk/2012/11/02/getting-down-and-dirty-with-accessibility-usability-tcuk12-workshop/ Workshop at Technical Communication UK 2012 conference, Newcastle, UK.
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Getting Down and Dirty with Accessibility and Usability workshop at TCUK12
- 1. Getting Down and Dirty with Accessibility and Usability Karen Mardahl 2 October 2012 #TCUK12
- 3. 1. Toolkit Dolev at http://commons.wikimedia.org/wiki/File:Carpentry_hand_tools.jpg CC-BY-SA-3.0
- 5. 3. Enlightenment http://www.flickr.com/photos/kmardahl/4237843259/ CC BY-NC-SA 3.0
- 6. BAD Demo • The Before-and-After Demo http://www.w3.org/WAI/demos/bad/
- 7. Good examples of accessible websites • http://terrillthompson.com/blog/229 • http://www.accessiweb.org/index.php/ galerie.html
- 8. <alt> • http://dev.w3.org/html5/alt-techniques/ • http://webaim.org/techniques/alttext/ • http://www.joedolson.com/articles/2012/06/ the-case-missing-alt-attribute/ • Remember <alt=””>
- 9. <title> • http://www.paciellogroup.com/blog/ 2010/11/using-the-html-title-attribute/
- 10. <longdesc> • Just do it, but... • http://webaim.org/techniques/images/ longdesc • Tables...
- 11. Headings and Structure • Logical! • Skip to main content links (blind & keyboard users) • Sequence and patterns (non-linear navigation - reading order) • Style guides (for consistency) • ARIA
- 12. Lists: <ol> <ul> <li> & CSS styling
- 13. Keyboard-only access • Do it with a keyboard • http://webaim.org/techniques/keyboard/ • <tabindex>
- 14. Color • Remember that color and color contrast and alternate indicators play together. • Never use color as your only delimiter. • http://www.snook.ca/ technical/colour_contrast/ colour.html
- 15. Labels Source of images: http://www.youtube.com/watch?v=T5OClvFL8I8
- 16. Link text “Click here” “Read more”
- 17. Plain Language • http://www.designtoread.com/ • US: Center for Plain Language http://centerforplainlanguage.org/ • US: Plain Language in the Federal government http://www.plainlanguage.gov/ http://www.plainlanguage.gov/howto/ quickreference/checklist.cfm • UK: Plain Language Commission http://www.clearest.co.uk/
- 18. “How to Write Clearly” in 23 languages • http://ec.europa.eu/ipg/ index_en.htm – leads to info about accessibility • http://ec.europa.eu/translation/ index_en.htm – go to the link for “How to write clearly”. It takes you to the EU bookshop • http://bookshop.europa.eu/is-bin/ INTERSHOP.enfinity/WFS/EU- Bookshop-Site/en_GB/-/EUR/ ViewPublication-Start? PublicationKey=HC3010536
- 19. Text Size • http://www.smashingmagazine.com/ 2011/10/07/16-pixels-body-copy-anything- less-costly-mistake/ • http://www.zeldman.com/
- 20. Tables • http://webaim.org/techniques/tables/ • Screen readers read tables from left to right, from row to row. • <summary>, <th>, <scope> • How-to: http://dev.opera.com/articles/view/ creating-accessible-data-tables/ & http:// isolani.co.uk/articles/structuredTables.html (with a football pools example!)
- 22. Video • Keyboard-accessible YouTube controls: http:// simplyaccessible.com/article/keyboard-accessible- youtube-controls/ • JW Player: http://wac.osu.edu/ • Easy YouTube Player: http://icant.co.uk/easy- youtube/docs/index.html • Accessible Media Player: http://www.nomensa.com/ services/accessibility-and-inclusive-design/ accessible-media-player • And no <autoplay>!
- 24. ARIA • ARIA (application, banner, complementary, contentinfo, form, main, navigation, search) • http://www.nomensa.com/blog/2010/wai- aria-document-landmark-roles/ • http://www.nomensa.com/blog/2010/ screen-readers-and-aria-landmark-roles/ • http://www.paciellogroup.com/blog/ 2010/10/using-wai-aria-landmark-roles/
- 25. Testing and Evaluation • WAVE http://wave.webaim.org/ • Color Contrast and more https://addons.mozilla.org/da/firefox/addon/juicy- studio-accessibility-too/ • Fireeyes http://www.deque.com/products/worldspace-fireeyes/download- worldspace-fireeyes • Functional Accessibility Evaluator http://fae.cita.uiuc.edu/about/ • Web Developer Extension http://chrispederick.com/work/web-developer/ • Web Accessibility Toolbar for IE http://www.paciellogroup.com/resources/ wat-ie-about.html • W3C WAI Tool List http://www.w3.org/WAI/RC/tools/complete
- 26. Screen reader testing • Learn: http://www.iheni.com/screen-reader- testing/ • Plan: http://www.spotlessinteractive.com/ articles/accessibility/screen-reader-test- plan.php • More at http://webaxe.blogspot.dk/2011/04/ learning-how-to-use-and-test-with.html
- 27. Standards W3C WAI: http://www.w3.org/WAI/ Web Accessibility Code of Practice BS8878 (UK): http://www.access8878.com
- 28. WCAG 2 at a glance • Perceivable • Provide text alternatives for non-text content. • Provide captions and other alternatives for multimedia. • Create content that can be presented in different ways, • including by assistive technologies, without losing meaning. • Make it easier for users to see and hear content. • Operable • Make all functionality available from a keyboard. • Give users enough time to read and use content. • Do not use content that causes seizures. • Help users navigate and find content. • Understandable • Make text readable and understandable. • Make content appear and operate in predictable ways. • Help users avoid and correct mistakes. • Robust • Maximize compatibility with current and future user tools.
- 29. WCAG 2.0 • Understanding WCAG 2.0: A guide to understanding and implementing Web Content Accessibility Guidelines 2.0 http://www.w3.org/TR/UNDERSTANDING- WCAG20/ • How to Meet WCAG 2.0: A customizable quick reference to Web Content Accessibility Guidelines 2.0 requirements (success criteria) and techniques. http://www.w3.org/WAI/WCAG20/quickref/
- 30. Learn-more resources • What is a screen reader? Article from 2005 so some product details are outdated. Read it for what it is and how it works. http://www.nomensa.com/blog/2005/what-is-a- screen-reader/ • Just Ask: Integrating Accessibility Throughout Design: http://www.uiaccess.com/accessucd/ (+ print) • Sign up for the discussion list at WebAIM http://webaim.org/community/
- 31. Learn-more resources • Opera Web Standards Curriculum in association with Yahoo! Developer Network: http://www.opera.com/company/education/curriculum/ • Web Standards Project's InterACT (site/book) http:// interact.webstandards.org/ • U of MN Newsletter: Typography, information architecture, usability, accessibility, maintained by @laura_carlson http://www.d.umn.edu/itss/training/online/webdesign/ webdev_listserv.html • Accessibility for Web Writers series at http://www.4syllables.com.au/2010/09/accessibility-web- writers-part-1/
- 32. 10 Principles • Be equitable • Be preventative • Be flexible • Be tolerant • Be simple and • Be effortless intuitive • Be accommodating • Be perceptible • Be consistent • Be informative http://www.sandiwassmer.co.uk/resources/the-ten-principles-of-inclusive-web-design/
- 33. When universal design processes fail to include, consult with, and listen to the people we are actually designing for, we also fail to design effectively. – Lisa Herrod http://scenariogirl.com/inclusive-design/the-social-model-of-disability
- 35. Thank you for listening! Questions? @kmdk / @stcaccess http://www.mardahl.dk http://about.me/kmdk
- 36. EXTRA
- 37. Mobile • Opera Mobile Emulator http://www.opera.com/developer/tools/ mobile • http://ready.mobi/ (older models)
- 38. User diversity • Test with real people! • http://www.uiaccess.com/accessucd/ involve.html • http://alistairduggin.co.uk/blog/using- personas-to-teach-accessibility/
- 39. I W eb AI M .o rg
- 45. Twitter+ Resources • @RogerJohansson + 456bereastreet.com • @webaxe + webaxe.org • @silviapfeiffer (all about <video>) • @MarcoInEnglish / @MarcoZehe + marcozehe.de (Firefox) • @jared_w_smith + WebAIM.org (with discussion list, too!) • @iheni + iheni.com (mobile) • @stevefaulkner + paciellogroup.com/blog (ARIA, HTML5) • @dugboticus + alistairduggin.co.uk • @AccessifyForum + accessifyforum.com
- 46. Coding resources • Yahoo! accessibility code library: http:// yaccessibilityblog.com/library/ • Accessibility topics at Web Standards Sherpa: http://webstandardssherpa.com/ reviews/by-topic/accessibility • Mozilla ARIA resources: https:// developer.mozilla.org/en/ARIA