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alt text

[ awlt-tekst ]
/ ˈɔlt ˈtɛkst /
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noun Digital Technology.
a written description of an image or other nontext content, included as an attribute in HTML code and rendered as text in place of the image or other element if it does not load on the web page or read by screen reader software at the point in the page sequence where the nontext element appears: If there’s no alt text for an image, a screen reader will read the filename—even if it’s just a string of numbers and letters.
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Also called al·ter·na·tive text [awl-tur nuh tiv tekst, al-], /ɔlˈtɜr nə tɪv ˈtɛkst, æl-/, alt at·trib·ute [awlt-a truh-byoot] /ˈɔlt ˈæ trəˌbyut/ .

Origin of alt text

First recorded in 1995–2000

Words nearby alt text

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use alt text in a sentence

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