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Technologies > Character Encodings > UTF-8 > Markup Languages Segmentation

Distribution of markup languages among websites that use UTF-8

This diagram shows the percentages of websites using various markup languages among the sites that use UTF-8. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
HTML is used by 97.2% of all the websites whose markup language we know and that use UTF-8 as character encoding.

HTML
97.2%
XHTML
3.7%
W3Techs.com, 4 July 2025
Percentages of websites using various markup languages among the sites that use UTF-8
Note: a website may use more than one markup language

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Technology Brief
UTF-8
Category: Character Encodings
UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.
Website: datatracker.ietf.org/...


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