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Technologies > Site Elements > HTTP/3 > Technology Changes

Changes in the usage of HTTP/3

This diagram shows the percentages of websites that recently changed between HTTP/3 and other site elements. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
1.23% of the websites that are using HTTP/3 were using HTTP/2 until recently.
0.11% of the websites that were using HTTP/3 until recently are now using HTTP/2.

Overall
1.23%
0.12%
HTTP/2
1.23%
0.11%
QUIC
less than 0.01%
0.01%
SPDY
less than 0.01%
less than 0.01%
W3Techs.com, 27 April 2025
changes from other site elements to HTTP/3
changes from HTTP/3 to other site elements
Percentage of websites changing between
HTTP/3 and other site elements.

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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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