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1
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Informative and grouped images must contain alternative text describing the purpose or meaning of the image(s).
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2
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Decorative images must have empty alternative text or be otherwise hidden from assistive technology.
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3
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Functional images must have alternative text describing the input's purpose.
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4
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Complex images (graphs, maps, charts) must have a text description of all relevant information.
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5
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CAPTCHAs must be identified with alternative text
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6
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CAPTCHAs which require user input offer at least two different modalities (e.g. visual and auditory)
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7
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Adjacent text and images which navigate to the same destination should be presented and announced as one link.
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