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compatibility
formatting
identification
images and media
internationalization
links
performance and compatibility
presentation
rights management
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The rules
23
Each image acting as a link has a text alternative describing its function
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24
Informative images have a text alternative
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25
Images have a useful and reasonable size and resolution.
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26
The included objects are provided with an appropriate fallback alternative.
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27
Each audio and video content is accompanied by its textual transcription
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3
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5
6
7
