Chapter 34. Making Images More Accessible
Conscientious Web designers make their Web sites as compatible as possible with accessibility tools such as screen readers, text-to-speech converters, and text-to-Braille converters for the benefit of the visually impaired.
Making HTML text accessible is easy—you do nothing whatsoever. Accessibility tools are smart enough to ferret out the text on the page and turn it into spoken words or Braille. However, the technology does not yet exist for these tools to examine the content of an image and render an accessible description. It falls to you, the Web builder, to write these descriptions yourself and embed them in the HTML for screen readers and the like to find.
You put the description in the alt attribute ...
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