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Technologies > Site Elements > HTTP/2 > by Character Encodings

Usage of HTTP/2 broken down by character encodings

This diagram shows the percentages of websites using HTTP/2 broken down by character encodings. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
HTTP/2 is used by 33.1% of all the websites.
HTTP/2 is used by 33.4% of all the websites that use UTF-8 as character encoding.

Overall

33.1%

33.4%

19.2%

34.4%

30.9%

12.1%

21.8%

10.7%

11.4%

15.8%

22.5%

18.3%

14.4%

14.0%

18.0%

27.7%

17.4%

14.9%

23.9%

32.4%

25.0%

63.5%

17.4%

18.2%

30.3%

17.8%

19.3%

0.4%

26.9%

10.1%

15.7%

24.4%

22.2%

9.8%

10.3%

12.0%

ANSI_X3.110-1983

20.0%

5.6%

50.0%

28.6%

27.3%

W3Techs.com, 3 June 2025

Percentages of websites using HTTP/2 broken down by character encodings

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Technology Brief
HTTP/2
Category: Site Elements
HTTP/2 is the second major version of the HTTP network protocol.
Website: datatracker.ietf.org/...

Latest related posting read all
Web technology fact of the day 10 July 2023
Usage of HTTP/2 is declining sharply, while usage of HTTP/3 is rising slowly. » more

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