Improve Accessibility with Alternative Text

To improve accessibility of your digital content alternative (alt) text should be added to graphical components such as photographs, illustrations, graphs, charts etc. Alt text is a short description that can be read aloud by screen-readers, allowing people with visual impairments to understand the content of images.

 

Tips for adding alternative text

  • Add concise descriptions –  alt text should be short and descriptive. For more complex images (e.g. a diagram) the alt text can refer to a longer figure description.
  • Consider your audience – keep your audience and the context of the surrounding text in mind when writing your descriptions.
  • Mark elements as decorative – images that do not add any information or context and are purely decorative can be marked as such. Do not leave alt text empty.
Graphical respresentation of the top tips above

Resources

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