The <rp> element is used for parentheses fallback around ruby pronunciation text. You will run into it while reading other people’s HTML, and it is useful to know what job it does before copying the code.
What does <rp> mean?
Parentheses fallback around ruby pronunciation text. The tag gives the browser a specific kind of content to work with. It is more helpful to choose a tag for its meaning than because of its default look.
Rp adds backup punctuation for browsers that do not render ruby annotations; rt contains the pronunciation.
A working HTML example
Here is a small example you can place in an HTML page and inspect in your browser:
<ruby>
漢 <rp>(</rp><rt>kan</rt><rp>)</rp>
字 <rp>(</rp><rt>ji</rt><rp>)</rp>
</ruby>Reading the example
Find the <rp> part first. Notice which elements are around it and how its content or attributes are connected to those other elements.
In this example, <rp> appears alongside ruby, rt. That context is often just as important as the element itself.
The browser builds its document from these relationships. Any CSS changes appearance, while interactive JavaScript behavior must be provided separately when the example includes it.
When should you use it?
Use <rp> when you want to parentheses fallback around ruby pronunciation text. A sensible example of this on a real website is the markup shown above; it gives the browser and accessibility tools a clearer job to work with.
Common companions are ruby, rt. Check the nesting requirements before moving the element into a different location.
Try it yourself
Remove rp temporarily and compare fallback punctuation in a compatible browser.
Common Beginner Mistakes
- Rp is not a general-purpose bracket element.
- Picking
<rp>only because it looks a certain way instead of checking what it means. - Forgetting to inspect the surrounding markup when an element does not behave as expected.
Key Takeaways
<rp>helps parentheses fallback around ruby pronunciation text.- Rp adds backup punctuation for browsers that do not render ruby annotations; rt contains the pronunciation.
- Start with meaningful markup, then add styling or scripting only when the page needs it.