Accessibility ABC: critical thinking

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Accessibility ABC critical thinking 1/125

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hello! I am Tamás Tóth My Flappy Bird score is 566. I am here because I love to give presentations. 2/125

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Table of contents WCAG 2.0 WAI-ARIA Schema.org UX Performance 3/125 © Jela

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Table of contents WCAG 2.0 WAI-ARIA Schema.org UX Performance 4/125 Why?

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5/125 MOV AX, BX Instead of...

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6/125 Cogito ergo sum © José Luis Gómez Merino

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1. WCAG 2.0 7/125

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WCAG 2.0 Wikipedia quote goes here… 8/125 “

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Web Content Accessibility Guidelines 2.0 9/125

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Web Content Accessibility Guidelines 2.0 boring 10/125

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WCAG 2.0 ~ Microsoft Word 11/125 © tt

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WCAG 2.0 ~ Microsoft Word 12/125

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The Dawn of the Internet Age 13/125

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WCAG 2.0 examples Page title Heading structure Don’t auto play video/audio, provide alternatives Contrast (check on your phone with low brightness) Resize Text (zoom) Image text alternatives ("alt text") Forms, labels, and errors Never use maximum-scale=1 (e.g. Ghostery) Skip navigation links Keyboard access and visual focus (aka “dotted lines”) . . . 14/125 } Word

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“Genius” mouse not working 15/125

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BBS 16/125

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WCAG 2.0 examples Page title Heading structure Don’t auto play video/audio, provide alternatives Contrast (check on your phone with low brightness) Resize Text (up to 200% zoom) Image text alternatives ("alt text") Forms, labels, and errors Never use maximum-scale=1 (e.g. Ghostery) Skip navigation links Keyboard access and visual focus (aka “dotted lines”) . . . 17/125 } Word

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18/125 “alt” text

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19/125 “alt” text

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20/125 “alt” text

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21/125 “alt” text

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23/125 Always label

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24/125 Always label

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25/125 Native validation

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26/125 Native validation: l10n

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28/125 Forms Done right?

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30/125 Never use maximum-scale!

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31/125 Never use maximum-scale!

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33/125 Skip navigation

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Bootstrap and screen readers 34/125

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Bootstrap and screen readers 35/125

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37/125 Never remove the “dotted lines”

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38/125 Never remove the “dotted lines”

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39/125 Provide alternative

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Use case: Smashing magazine 40/125

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Link vs. button 41/125

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Button vs. role=”button” 42/125

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Button vs. role=”button” 43/125

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Button vs. role=”button” 44/125

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Button vs. role=”button” 45/125

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A11y and Bootstrap 46/125

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47/125 Icons in Bootstrap 2

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48/125 for icons?

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49/125 The element represents a span of text that offset from the normal prose. “

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50/125 Icons in Bootstrap 2

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51/125 Icons in Bootstrap 3

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Material icons 52/125

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Icons: ligatures 53/125

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54/125 for icons!

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...or SVG icons 55/125

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...or SVG icons 56/125

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...or SVG icons 57/125

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Use case: AChecker 58/125

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59/125 2. WAI-ARIA

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WAI-ARIA Web Accessibility Initiative – Accessible Rich Internet Applications 60/125 “

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WAI-ARIA Web Accessibility Initiative – Accessible Rich Internet Applications 61/125 boring “

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WAI-ARIA ~ Ai Weiwei 62/125 © humanrightslogo.net + photomontage

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WAI-ARIA excuse for bad (non-semantic) markup role=”” custom components tabindex Voiceover, NVDA, JAWS, … 63/125

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To WAI-ARIA or not to WAI-ARIA? 64/125

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To WAI-ARIA or not to WAI-ARIA? 65/125

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To WAI-ARIA or not to WAI-ARIA? 66/125

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WAI-ARIA roles: List 67/125

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WAI-ARIA roles: List 68/125

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HTML equivalent? 69/125

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71/125 3. Schema.org

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semantic markup Schema. org SEO UX 72/125 3 in 1

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semantic markup Schema. org SEO UX 73/125 3 in 1

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Schema.org 74/125

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Schema.org 75/125

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Schema.org/PostalAddress 78/125

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79/125 4. UX

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UX gray (like dark) patterns: don’t annoy users FAQ pages with hidden email disable right click (inspect element) it’s ok to hate IE8 but hate it with style (fallback) fb overlay, popups animation lar pour lar (good example Material design) parallax Hyperbole and a Half: be honest and unobtrusive 80/125

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81/125 Gray (like dark) patterns: “Do not annoy the users”

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82/125 Bootstrap “as”

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Bootstrap “as” 83/125

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Motion provides meaning (Material design) 84/125 “

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86/125 Parallax © Disney

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87/125 Parallax != Scrolljacking (but it’s ok sometimes) © Robby Leonardi

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89/125 5. Performance

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Performance 90/125 Google 10 things: fast is better than slow PageSpeed Insights, WebPagetest, YSlow, ... above the fold/critical CSS async vs. defer minify HTML? SASS mess 3D, FOIT/FOUT/FOFT - always patching browser issues? 60 fps (e.g. parallax) . . .

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91/125 Google 10 things: fast is better than slow

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92/125 Pagespeed Insights, Webpagetest, YSlow, …

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93/125 async vs. defer

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94/125 Above the fold/critical CSS, lazy loading...

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95/125 SASS mess

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96/125 Specificity

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Why? 98/125

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Just create me a ticket and i’ll fix it. 100/125 “

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Just create me a ticket and i’ll fix it. 101/125 “

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I care. 102/125

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103/125 Baker vs. programmer

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105/125 © ZojaKu STARTIT.RS: Muškarci vladaju svetom zato što žene misle da to ne zaslužuju – Hajde da to promenimo Baker vs. programmer problem

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Comply or explain 107/125 “

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2h to fix vs. 2h to discard educate your clients separate your hacks fight browser behaviors? brand identity vs. clean code 108/125 Pixel perfect vs. generic?

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109/125 Naming is important ?

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Delegation of the core problem 110/125 wireframes in Balsamiq/Visio/by hand/…? BEM/SMACSS/OOCSS/…? use personas/don’t use personas? chicken/egg? . . .

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111/125 Process customer designer frontend backend

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112/125 Process customer designer frontend backend

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Lesser people have done greater things. 113/125 “

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The customer is always right 114/125 “

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115/125 ? The customer is always right “

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119/125 {placekitten}

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120/125 {placekitten}

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121/125 {placekitten}

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thanks! Questions? @talpitoo 124/125

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Credits Special thanks to all the people who made and released these awesome resources for free: Presentation template by SlidesCarnival 125/125