HTTP/3 by edge provider

Advertised via the HTTPS DNS record or Alt-Svc — a CDN-driven adoption curve.

web average = 45.2%cloudflare: 83.5; +38.2pp vs web average = 45.2% (better); n=419551 cloudflare +38.2ppgoogle: 53.3; +8.1pp vs web average = 45.2% (better); n=6802 google +8.1ppcloudfront: 41.6; −3.6pp vs web average = 45.2% (worse); n=5920 cloudfront −3.6ppother-cdn: 29.8; −15.4pp vs web average = 45.2% (worse); n=31530 other-cdn −15.4ppakamai: 24.4; −20.8pp vs web average = 45.2% (worse); n=15946 akamai −20.8ppfastly: 19; −26.3pp vs web average = 45.2% (worse); n=14964 fastly −26.3ppnone: 14.6; −30.7pp vs web average = 45.2% (worse); n=463955 none −30.7ppazure-front-door: 2.6; −42.6pp vs web average = 45.2% (worse); n=14773 azure-front-door −42.6pp
Better than benchmarkWorse than benchmark

Denominator: deep-scanned websites · n per cohort in the table

cloudflare leads at 83.5%; azure-front-door trails at 2.6%.

View as table
SliceSharevs benchmarkn
cloudflare83.5%+38.2pp419,551
google53.3%+8.1pp6,802
cloudfront41.6%−3.6pp5,920
other-cdn29.8%−15.4pp31,530
akamai24.4%−20.8pp15,946
fastly19%−26.3pp14,964
none14.6%−30.7pp463,955
azure-front-door2.6%−42.6pp14,773

Source: GeoTrust Research — The State of SSL/TLS, October 2026