Provide accessible images | Online Accessibility | harvard.edu

Provide accessible images

Images can be effective way to convey meaning, such as to provide additional information to text content or to assign labels to buttons. Text alternatives are vital for people who can’t see them. When icons are added as images, the best practice is the same as for providing alternative text for images. When other methods are used, such as background images or icon fonts, additional care is needed to ensure that their meanings are available to screen reader users, people with reading difficulties, and those who use Windows High Contrast Mode or who need to apply a user-defined style sheet that changes fonts.

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