HTML <acronym> tag (Not supported in HTML5)

HTML <acronym> tag is used with title attribute to contain a full explanation of an acronym content. When you hover the mouse on content, then it will show the explanation of word.

Syntax:

<acronym title="Indian Space Research Organisation">ISRO</acronym>

Following are some specifications about the HTML <acronym> tag

Display	Inline
Start tag/End tag	Both Start tag and End tag
Usage	Semantic/Textual

Example

<!DOCTYPE html>  
 <html>  
 <head>  
    <title>Acronym tag</title>  
 </head>  
  <body>  
   <h2>Acronym tag Example</h2>  
   <acronym title="Indian Space Research Organisation">ISRO</acronym>  
  </body>  
</html>

Difference between <acronym> and <abbr> tag

Although <acronym> tag is not supported by HTML5 but instead of that we can use <abbr> tag and we will get the same result using both tag.

Example:

<!DOCTYPE html>  
 <html>  
  <head>  
   </head>  
  <body>  
   <h2>Acronym and Abbreviation Example</h2>  
   <acronym title="Indian Space Research Organisation">ISRO</acronym>  
   <abbr title="National Aeronautics and Space Administration">NASA</abbr>  
  </body>  
</html>