Ruby Text: Main Tips
<rt>
tags define ruby text. They must be placed within <ruby> tags.- You may use it as a pronunciation guide for East Asian characters, as there are multiple options for a lot of them.
- The
rt
tag has been introduced in HTML5, along with the other ruby text characters (<ruby>
and <rp>). - Global attributes are supported.

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- High-quality courses (even the free ones)
- Variety of features
- Nanodegree programs
- Suitable for enterprises
- Paid certificates of completion

- Professional service
- Flexible timetables
- A variety of features to choose from
- Professional certificates of completion
- University-level courses
- Multiple Online degree programs

- Great user experience
- Offers quality content
- Very transparent with their pricing
- Free certificates of completion
- Focused on data science skills
- Flexible learning timetable
Using rt HTML Tags
HTML <rt>
tags define ruby text elements:
Ruby text is displayed in smaller font above the Chinese, Japanese, or Korean characters. It is a hint to the correct pronunciation. Some characters have multiple pronunciation options that affect meaning as well.
Note: ruby text elements can contain inline elements. However, they cannot have <ruby> elements as their descendants.
Browser support

Chrome

Edge

Firefox

IE

Opera

Safari
Mobile browser support

Chrome

Firefox

Opera

Safari
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