Techniques for Marking Images as Decorative

Which techniques will mark an image as decorative, so that it is effectively invisible to screen reader technologies.

Informational Image

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HTML 5 orange shield logo

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Decorative Image Using Empty Alt Attribute

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Decorative Image With No Alt Attribute and Role Presentation

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Decorative Image With No Alt Attribute and Role None

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Decorative Image With No Alt Attribute (Bad Markup)

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Effectively Decorative Image Due to Parent Being ARIA Hidden

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