Summary The HTML <rt> Element embraces pronunciation of character presented in a ruby annotations, which are for showing pronunciation of East Asian characters and the <rt> element is used inside of <ruby> element. Content categories None. Permitted content Phrasing content. Tag omission None, both the starting and ending tag are mandatory. Permitted parent elements A <ruby> element. DOM interface HTMLElement Attributes This element only includes the global attributes. Example <ruby> 漢 <rt>Kan</rt> 字 <rt>ji</rt> </ruby> Specifications Specification Status Comment WHATWG HTML Living Standard Living Standard HTML5 Candidate Recommendation Browser compatibility Desktop Mobile Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari Basic support 5.0 Not supported 5.0 Not supported 5.0 Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Basic support (Yes) Not supported (Yes) Not supported (Yes) See also <ruby> <rp>