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1.1.1 Non-text Content
From Automated WCAG Monitoring Community Group
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Success Criterion 1.1.1 Non-text Content: All non-text content that is presented to the user has a text alternative that serves the equivalent purpose, except for the situations listed below. (Level A)
Background
Which elements / situations are tested?
This tests check for the correct use of techniques to provide a textual alternative for non-text content elements (<img>, <input> elements of type="image", <area>, <embed>, <object>) or to hide them from assistive technologies.
- elements that may have a short text alternative: SC1-1-1-text-alternative
- elements that may have a long text alternative provided using
longdesc: SC1-1-1-longdesc - elements that may have a long text alternative provided using
aria-describedby: SC1-1-1-aria-describedby
Following test cases must be performed additionally:
-
<img>element included using CSS: SC1-1-1-css-image -
<a>element linking to time-based media: SC1-1-1-link-to-time-based-media - TEXT ( ASCII art, emoticons, and leetspeak): SC1-1-1-character-based-non-textual
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