Usage of CSS broken down by image file formats

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

How to read the diagram:
CSS is used by 95.8% of all the websites.
CSS is used by 96.2% of all the websites that use PNG as image file format.

Overall

95.8%

96.2%

96.2%

96.3%

96.3%

96.1%

97.5%

96.2%

96.4%

97.6%

87.9%

96.2%

W3Techs.com, 28 June 2025

Percentages of websites using CSS broken down by image file formats

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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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