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HTML 5 <acronym> tag

Definition and Usage

The <acronym> tag defines the start of an acronym, like "NATO". By marking up acronyms you can give useful information to browsers, spell checkers, translation systems and search-engine indexers.

Differences Between HTML 4.01 and HTML 5

<acronym> is not supported in HTML 5. Use <abbr> instead.

Tips and Notes

Tip: In some browsers the title attribute can be used to show the full version of the expression when you are holding the mouse over the acronym.

Example

Source Output

<acronym title="World Wide Web">WWW</acronym>

WWW

From http://www.w3schools.com (Copyright Refsnes Data)