Accessibility &
Multi-Screen Design


Future/Current Technologies


This course is not a W3C course.
Views expressed are my own.

Dies ist kein W3C-Kurs.
Alle Ansichten sind meine Eigenen.

Responsive Web Design

CSS Grids

CSS Layout Tools


Feature Queries

Grids allow for…

  • reliable 2-dimensional layouts.
  • mixing fixed-width elements with flexible ones (fr unit).
  • redefining layout from the container – a more straight forward responsive workflow.
  • layering items on the grid.

Progressive Web Applications


  • Loads over HTTPS
  • Use Service Workers to provide a offline access
  • Prompt users to add to home screen
  • Have mobile friendly layout
  • Uses progressive enhancement
  • Optimizes assets
  • Provide enhanced a11y features

Service Worker

Basically a small proxy that handles URL requests and can act on them, for example serve a fallback page and caching assets.


The Accessible Smart Home

  • Amazon Echo
  • Google Home
  • HomePod
  • Nest Thermostats

Smart Home Accessibility

  • Voice Input
  • Non-Voice Input
  • Accessible configuration

Video Calling

Face Time, Google Duo, …

Software TTY


Augmented Reality

Color detection,

shapes/faces detection


Watches, Glasses

Apple Watch: Visual

  • VoiceOver
  • Zoom
  • Font Adjustment 
  • Grayscale
  • Extra Large Watch Face

Apple Watch: Hearing

  • Taptic Feedback
  • Scribble
  • Mono Audio

Apple Watch: Physical/Motor

Social Media Accessibility


On YouTube, Facebook

Automatic Captions

On YouTube

Alternative Text

On Twitter

Automatic alternative Text

On Facebook


#cos16 Future/Current Technologies – Accessibility & Multi-Screen Design

By Eric Eggert

#cos16 Future/Current Technologies – Accessibility & Multi-Screen Design

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