ALT text
US /ˈælt teks/
UK /ˈælt teks/
1.
ALT文本, 替代文本
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.
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Always include descriptive ALT text for images on your website to improve accessibility.
始终为网站上的图片添加描述性ALT文本，以提高可访问性。
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If an image fails to load, the browser will display its ALT text instead.
如果图片无法加载，浏览器将显示其ALT文本。