Techniques for WCAG 2.0

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F20: Failure of Success Criterion 1.1.1 and 4.1.2 due to not updating text alternatives when changes to non-text content occur


Applies to all technologies.

This failure relates to:


The objective of this failure condition is to address situations where the non-text content is updated, but the text alternative is not updated at the same time. If the text in the text alternative can not still be used in place of the non-text content without losing information or function, then it fails because it is no longer a text alternative for the non-text content.



No resources available for this technique.

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  1. Check each text alternative to see if it is describing content other than the currently-displayed non-text content.

Expected Results