Usage of HTTP/3 broken down by image file formats

This diagram shows the percentages of websites using HTTP/3 broken down by image file formats. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
HTTP/3 is used by 34.9% of all the websites.
HTTP/3 is used by 33.0% of all the websites that use PNG as image file format.

Overall

34.9%

33.0%

32.7%

41.5%

30.9%

47.9%

62.4%

38.5%

20.6%

25.3%

24.6%

47.2%

W3Techs.com, 3 June 2025

Percentages of websites using HTTP/3 broken down by image file formats

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Technology Brief
HTTP/3
Category: Site Elements
HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.
Website: datatracker.ietf.org/...

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