Usage of PNG broken down by site elements

This diagram shows the percentages of websites using PNG broken down by site elements. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
PNG is used by 79.1% of all the websites.
PNG is used by 79.5% of all the websites that use CSS as site element.

Overall

79.1%

CSS

79.5%

Compression

79.1%

Default protocol https

79.4%

77.5%

Default subdomain www

75.4%

HTTP/3

74.7%

HTTP/2

73.0%

HTTP Strict Transport Security

71.7%

80.0%

67.8%

85.6%

41.4%

85.5%

W3Techs.com, 13 June 2025

Percentages of websites using PNG broken down by site elements

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Technology Brief
PNG
Category: Image File Formats
PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.
Website: w3.org/...

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