HTML <acronym> tag

What is the function of <acronym> tag?

The <acronym> tag can give the acronym or full form of a short text by associating with the title attribute just like in <abbr> tag. The acronym tag is not supported in HTML5.
Type:Inline Element

Example of <acronym> tag

<acronym title = "Hyper Text Markup Language"> HTML </acronym>

Here, if you hover over the "HTML", a small box will be appeared near HTML showing the acronym what we have written (here, Hyper Text Markup Language).
It might not support on mobile browsers like UC Browser, Opera Mini etc.

Supported Browsers

Tag Chrome browser Internet explorer browser Firefox browser Safari browser Opera browser
<acronym> Yes Yes Yes Yes Yes

Full Code Examples

<!DOCTYPE html>
<html>
<head>
</head>
<body>
<p> <acronym title = "Hyper Text Markup Language"> HTML </acronym> is the world most common Internet language. </p>
</body>
</html>

Output

HTML is the world most common Internet language.

More Reference

You come across that the <abbr> tag and <acronym> tag perform same functions exactly of giving full text description. Although <acronym> is supported in almost browsers, it is highly recommended not to use <acronym> tag.
Note that <acronym> tag is not longer valid in HTML5.