Active area elements must have alternate text
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An image map is a single image with many clickable areas. Like all images, an image map must have alternate text for each of the different clickable areas, as well as for the larger image itself, since screen readers have no way of translating graphics into text.
The Algorithm, in Simple Terms
<area> elements of image maps to ensure that they have an alternative text.
Why this is Important
Screen readers have no way of translating graphics into words. It is therefore important that all images, including image maps, have
How to Fix the Problem
Ensure that each clickable
<area> within an image map has an
aria-labelledby attribute that describes the purpose of the link.
- HTML 4