role="presentation" or aria-hidden="true" for decorative images?
Which is semantically better, alt="", role="presentation", CSS bg image or aria-hidden="true" for hiding decorative images from assistive technologies?
The best thing is to use blank alt text.
<img src="squiggle.gif" width="20" height="20" alt="" />
Using null alt text and no title attribute on img elements for images that AT (Assistive Technology) should ignore.
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