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Standards-next: Content and Cognition
 

Standards-next: Content and Cognition

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This is the presentation I gave at Standards-next on 2009-09-19

This is the presentation I gave at Standards-next on 2009-09-19

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Standards-next: Content and Cognition Standards-next: Content and Cognition Presentation Transcript

  • Content and Cognition Ian Pouncey
  • Content and Cognition • How we should use content • Using content in multiple forms • What to avoid
  • Consistency • Navigation • Fonts and font sizes • Interactive elements: links and buttons
  • Structure • Headings • Lists • White space • Clear differentiation between content types
  • Focus • Avoid • contrasting blocks of colour • unexpected sound • moving content • pop ups
  • Readability • Adequate text size and line height • Limited line length • Colour contrast • Short paragraphs
  • Transformability • Supports text re-sizing • Supports user styles • Works without images or styles • Provide an API or feed
  • Content • Spelling and grammar • Definitions of terms • One subject • Summarise
  • Let’s make something
  • Generated content • Content inserted with CSS. • Not read out by screen reader software. • Use only in cases where the content doesn’t make sense on an unstyled page.
  • Generated content <p class="instructions-search">You can search this site using the search form provided</p> .instructions-search:after { content: ", which is below and to the right of the logo."; }
  • Generated content
  • Images
  • Audio and video • To limit the amount of work required you can combine the audio with the visual. Start with an audible version, and then repeat with a visual demonstration. • Keep it simple - A plain backdrop, not too much movement, speak simply and clearly. • Play only on demand. Automatically playing audio visual content is distraction to many users, annoying to most others • Include HTML controls to start and stop your movie - flash is still not universally accessible.
  • Distractions • Avoid busy backgrounds
  • Distractions
  • Distractions
  • Tasks • Don’t assume that ‘simple’ tasks are easy • The same applies to ‘What colour is the sky’ type questions
  • Me • http://ianpouncey.com/ • @IanPouncey