<ruby>

Ruby annotations place small pronunciation or explanatory text above or beside base characters, essential for East Asian typography. The ruby, rt and rp elements are supported in current browsers, so you can use them for correct rendering with a graceful inline fallback.

Verdict

Safe to use

Category

HTML features

Browser support

Can I Use

Works in

all modern browsers

Should you use <ruby> in 2026?

If you are using the Ruby element you don't need a script-based fallback, but you can provide a CSS-based set of good defaults.

Polyfills and fallbacks

Cross-browser Ruby

Browser share on Can I Use Edit on GitHub