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hiro

Posted on • Originally published at b.0218.jp

[Accessibility] Points to Consider When Adding aria-label to Icon Font Elements

#a11y #html

Premise of Icon Fonts

The following is an example of defining Font Awesome:

.fab { font-family: "Font Awesome 5 Brands"; } .fa-twitter::before { content: "\f099"; }
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<span class="fab fa-twitter"></span>
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Icon fonts render icons by placing character glyphs corresponding to the icons in pseudo-elements.

Purpose of Accessibility

Similar to the alt attribute of <img>, alternative text can be described using aria-label, allowing screen readers to convey appropriate meaning.

Implementation

Decorative Icons

For decorative icons that do not need to be read by screen readers, add aria-hidden="true".

<span class="fab fa-twitter" aria-hidden="true"></span>
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Meaningful Icons

For icons that need a description for screen readers, add aria-label.

<span class="fab fa-twitter" aria-label="Twitter"></span>
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Icons Accompanied by Text

If there is meaningful text alongside the icon, having aria-label can cause screen readers to read it twice. In such cases, add aria-hidden="true" as shown below.

<a href="https://twitter.com/"> <span class="fab fa-twitter" aria-hidden="true"></span> Twitter </a>
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