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2. Accessibility Principles

The World Wide Web Consortium has developed Web Content Accessibility Guidelines (WCAG) for web accessibility. These guidelines explain how to create accessible documents, multimedia and other content. It is based on four principles of digital accessibility, according to which content should be:

  • Perceivable - e.g. images and videos should be accompanied by text descriptions,
  • Operable - e.g. websites should be designed so that people can engage with it only using only a keyboard,
  • Understandable - e.g. text should be organised with headings,
  • Robust - e.g. websites should be designed to work with assistive technologies and other user tools.

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