Accessibility - Speaker Deck

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Accessibility A glimpse of web accessibility

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About Me ★ Hsiaoming Yang ★ lepture ★ Flask ★ https://github.com/lepture ★ https://lepture.com ★ 暁明株式会社

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https://typlog.com

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https://authlib.org

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Accessibility 0

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★ Visual Impairment ★ Hearing Impairment ★ Handicap ★ Left hand ★ ......

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Real life 1

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Japan is doing pretty good in accessibility.

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Metro

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Toilet

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Traffic

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On Web 2

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“Accessibility is not taken into account.”

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Rakuten

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Before Programming 3

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~8%

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This is a success message This is an error message

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This is a success message This is an error message ✔ ✗

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Trello Labels https://trello.com

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Font Size General/Accessibility/Larger Text

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Interaction & Feedback button:hover a:hover input:focus

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Button Button:hover

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– Tyrion Lannister “A mind needs books as a sword needs a whetstone if it is to keep its edge.”

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VoiceOver 4

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General Accessibility

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VO = Control + Option VO + Shift + Down Enter an area VO + Shift + Up Leave an area VO + Left Next Element VO + Right Previous Element VO + H Help

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Windows https://www.microsoft.com/en-us/accessibility/windows

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Accessibility is easy 5

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Semantic HTML

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role

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Landmarks

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aria-label

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aria-hidden ワイン

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aria-live This is a success message ✔

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Accessibility is hard 6

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★dialog ★tablist ★select ★etc..

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References • https://www.w3.org/TR/wai-aria-practices/examples/ landmarks/HTML5.html • https://developer.mozilla.org/en-US/docs/Learn/ Accessibility/HTML • http://www.w3.org/TR/wai-aria/roles • http://a11yproject.com/