Meaning of the word "ALT text" in English

What does "ALT text" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

ALT text

US /ˈælt teks/
UK /ˈælt teks/
"ALT text" picture

Noun

Alternative text, also known as alt attributes, alt descriptions, or alt tags, is HTML code that describes the appearance and function of an image on a web page. It is read aloud by screen readers for visually impaired users and displayed in place of an image if the image fails to load.

Example:
Always include descriptive ALT text for images on your website to improve accessibility.
If an image fails to load, the browser will display its ALT text instead.