H24 Absent Area Alt Attribute Failure

Explanation

According to Success Criterion 1.1.1 (Non-Text Content), all client-side image maps, using the map element, should have alt text (a short-text alternative) for each of its constituent area elements.

This example should fail with two errors relating to the lack of alt text on these image map areas.

Expected Errors

• [Standard].Principle1.Guideline1_1.1_1_1.H24: "Area element in an image map missing an alt attribute. Each area element must have a text alternative that describes the function of the image map area."

Relevant Success Criteria

• SC 1.1.1: Non-Text Content

Relevant Techniques

• H24: Providing text alternatives for the area elements of image maps