Why are broken links highlighted in relation to the "longdesc" tag?
The longdesc attribute is used to specify a hyperlink to a detailed description of an image.
If the value of the string is not a hyperlink Quality Assurance will flag it as a broken link.
Here is an example of how the longdesc tag should be used.
<img src="image_dog.gif" longdesc="http://example.com/dog_description.html">
Further information on how to use the longdesc attribute is available at:
Consideration regarding the "longdesc" tag
- The string should not contain only text.
- If you want to use a short text description, use the “alt” attribute instead. See Accessibility: Image Alt text best practices
- We’d recommend avoiding the use of the longdesc tag as it may not be supported by all web browsers.
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