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WCAG POUR framework


Information and user interface components must be presented to users in ways they can see or hear.

  • Provide text alternatives for any non-text content so that it can be changed into other forms people need, such as large print, braille, speech, symbols or simpler language.
  • Provide alternatives for time-based media.
  • Create content that can be presented in different ways (for example simpler layout) without losing information or structure.
  • Make it easier for users to see and hear content including separating foreground from background.


User interface components and navigation must be designed so that users can interact with them and they can support assistive technologies such as screen readers.

  • Make all functionality available from a keyboard.
  • Provide users enough time to read and use content.
  • Do not design content in a way that is known to cause seizures.
  • Provide ways to help users navigate, find content, and determine where they are.


Information and the operation of user interface must communicate clearly and consistently so that the content is readable.

  • Make text content readable and understandable.
  • Make Web pages appear and operate in predictable ways.
  • Help users avoid and correct mistakes.


Content must be written so that it can be interpreted reliably by a wide variety of user agents, including assistive technologies.

  • Maximize compatibility with current and future user agents, including assistive technologies.

Web Content Accessibility Guidelines (WCAG) 2.0

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