Changes in the usage of QUIC

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

How to read the diagram:
2.26% of the websites that are using QUIC were using HTTP/2 until recently.
1.99% of the websites that were using QUIC until recently are now using HTTP/2.

Overall

2.30%

2.00%

HTTP/2

2.26%

1.99%

HTTP/3

0.04%

0.01%

SPDY

less than 0.01%

W3Techs.com, 16 June 2025

changes from other site elements to QUIC

changes from QUIC to other site elements

Percentage of websites changing between
QUIC and other site elements.

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Technology Brief
QUIC
Category: Site Elements
QUIC (Quick UDP Internet Connections) is an experimental network protocol, originally designed by Google and submitted to IETF standardization.
Website: chromium.org/...

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