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Chapter 16. Accessibility: Considering Y... > Alternatives to Images and Media

Alternatives to Images and Media

Images and other kinds of media can be tricky, in terms of conveying their content to visually impaired users. You can’t replicate an image in text, much less a multimedia application. The best you can do at this point is to provide a description of the content that users would otherwise miss.

Always use Alt text

Some users, like those who access your site with text-only browsers like Lynx or visually impaired users who use screen readers that turn text into speech, will not be able to see the images on your site. For those users you should use the Alt attribute of the <img> tag to provide alternative text in lieu of the image. Alternative text is required by Section 508 standards for images that provide content. (See Tips at the end of the following stepped list.)


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