ARIA (Accessible Rich Internet Applications) is a W3C specification for adding semantics and other metadata to HTML to cater to users of assistive technology.

For example, you could add the attribute role="alert" to a <p> tag to notify a sight-challenged user that the information is important and time-sensitive (which you might otherwise convey through text color).

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 Contributors to this page: Jeremie, klez, Andrew_Pfeiffer, stephaniehobson
 Last updated by: Jeremie,