When writing in HTML, the <rt> tag is an inline element used to designate the pronunciation of an East Asian word or character. It is nested within the <ruby> element on a web page. The following sections contain information about this tag, including an example of it in use, as well as related attributes and browser compatibility.
<p><ruby>
今 <rp>(</rp><rt>Today</rt><rp>)</rp>
</ruby></p>