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Technologies > Site Elements > HTTP/2 > Technology Changes

Changes in the usage of HTTP/2

This diagram shows the percentages of websites that recently changed between HTTP/2 and other site elements. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
0.53% of the websites that are using HTTP/2 were using QUIC until recently.
0.61% of the websites that were using HTTP/2 until recently are now using QUIC.

Overall
0.66%
1.04%
QUIC
0.53%
0.61%
HTTP/3
0.14%
0.42%
SPDY
less than 0.01%
less than 0.01%
W3Techs.com, 3 June 2025
changes from other site elements to HTTP/2
changes from HTTP/2 to other site elements
Percentage of websites changing between
HTTP/2 and other site elements.

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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/...


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