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2.4.9 Link Purpose (Link Only)

  • Level: AAA
  • Guideline: 2.4 Navigable
  • Principle: 2 Operable

What it is

A mechanism is available to allow the purpose of each link to be identified from link text alone, except where the purpose of the link would be ambiguous to users in general.

How to test

  • Check: A mechanism is available to allow the purpose of each link to be identified from link text alone, except where the purpose of the link would be ambiguous to users in general.
  • Use the sufficient techniques below as acceptable methods when applicable.
  • Confirm none of the common failures apply.

Sufficient techniques (W3C)

  • ARIA8: Using aria-label for link purpose
  • G91: Providing link text that describes the purpose of a link
  • H30: Providing link text that describes the purpose of a link for anchor elements
  • H24: Providing text alternatives for the area elements of image maps
  • G189: Providing a control near the beginning of the web page that changes the link text
  • SCR30: Using scripts to change the link text
  • C7: Using CSS to hide a portion of the link text
  • PDF11: Providing links and link text using the Link annotation and the /Link structure element in PDF documents
  • PDF13: Providing replacement text using the /Alt entry for links in PDF documents

Advisory techniques (W3C)

  • H2: Combining adjacent image and text links for the same resource
  • H33: Supplementing link text with the title attribute

Common failures (W3C)

  • F84: Failure of Success Criterion 2.4.9 due to using a non-specific link such as "click here" or "more" without a mechanism to change the link text to specific text.
  • F89: Failure of Success Criteria 2.4.4, 2.4.9 and 4.1.2 due to not providing an accessible name for an image which is the only content in a link

Resources

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