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Segmentation

Technologies > Site Elements > CSS > by Character Encodings

Usage of CSS as site element broken down by character encodings

This diagram shows the percentages of websites using CSS broken down by character encodings. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
CSS is used by 93.0% of all the websites.
CSS is used by 93.1% of all the websites that use UTF-8 as character encoding.

Overall

93.0%

93.1%

92.3%

93.3%

95.5%

98.1%

92.6%

87.1%

92.6%

95.2%

95.0%

93.1%

95.9%

94.5%

91.8%

91.4%

93.5%

95.2%

87.9%

86.4%

93.9%

90.0%

93.9%

95.7%

95.1%

93.3%

89.8%

98.8%

92.2%

82.6%

50.5%

92.4%

87.3%

100.0%

83.8%

89.3%

95.5%

100.0%

70.6%

100.0%

91.7%

100.0%

W3Techs.com, 12 January 2026

Percentages of websites using CSS broken down by character encodings

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Technology Brief
CSS
Category: Site Elements
Cascading Style Sheets (CSS) is a mechanism for adding style (e.g. fonts, colors, spacing) to web pages.
Website: w3.org/...

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