Websites Powered by HTTP/3

16,990,430 websites tracked using HTTP/3 (Miscellaneous) · httpwg.org

HTTP/3 is the third major version of the HTTP protocol, built on QUIC, which reduces latency and improves performance over unreliable networks. Support is advertised via the alt-svc response header and is increasingly common on sites behind modern CDNs.

Usage trend

Domains observed using HTTP/3 in each month's HTTP Archive crawl, Sep 2022 to Jun 2026 · peak 5,023,473 in Jun 2026. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.9 s INP 75 ms CLS 0 TTFB 800 ms

Median site among 4,524,934 HTTP/3 sites with Chrome UX data, p75 values, Jun 2026.

Top countries

United States 1,284,004
India 592,975
United Kingdom 436,501
Brazil 418,679
Indonesia 328,375
Canada 321,328
Germany 316,957
Italy 305,727

Sites using HTTP/3 by audience country, Chrome UX Report.

Top sites by authority

9+ 58% · 217 of 372 sites
8+ 47% · 3,633 of 7,677 sites
7+ 38% · 17,286 of 45,712 sites
6+ 34% · 37,596 of 110,136 sites
5+ 30% · 73,412 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running HTTP/3 in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using HTTP/3

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
4101 sitelock.com 7.92/10 6,900 2,710 Sep 2022
4102 json-ld.org 7.92/10 1,700 1,443 May 2025
4103 mvnrepository.com 7.92/10 48,400 38,161 Sep 2022
4104 leadinfo.com 7.92/10 230 377 Jul 2024
4105 doxygen.nl 7.92/10 720 856 Sep 2022
4106 honeybook.com 7.92/10 10,600 5,924 Sep 2022
4107 ui.com 7.92/10 202,700 50,306 Sep 2022
4108 yam.com 7.92/10 1 2 Jul 2024
4109 hubstaff.com 7.92/10 31,200 16,391 Oct 2023
4110 remote.co 7.92/10 520,700 36,860 Oct 2024
4111 whistleblowersoftware.com 7.92/10 160 53 Jul 2024
4112 lseg.com 7.92/10 46,700 23,280 Nov 2025
4113 min.io 7.92/10 6,500 4,492 Sep 2022
4114 pandadoc.com 7.92/10 138,800 52,230 Jan 2023
4115 gamma.site 7.92/10 450 5 Apr 2024
4116 musicbusinessworldwide.com 7.92/10 49,600 32,088 Sep 2022
4117 phoronix.com 7.92/10 14,100 20,237 Apr 2023
4118 sonos.com 7.92/10 256,000 54,980 Sep 2023
4119 espacenet.com 7.92/10 - - Apr 2023
4120 vodafone.co.uk 7.92/10 15,500 21,256 Sep 2022
4121 infineon.com 7.92/10 23,400 16,552 Nov 2024
4122 landbot.io 7.92/10 1,300 1,027 Sep 2022
4123 rnib.org.uk 7.92/10 13,200 8,945 Oct 2022
4124 gov.taipei 7.92/10 1 10 Feb 2024
4125 maharashtra.gov.in 7.92/10 15 54 Sep 2022
4126 jiji.com 7.92/10 1,500 1,814 Sep 2022
4127 labour.org.uk 7.92/10 10,900 3,382 Sep 2022
4128 fastercapital.com 7.92/10 159,900 310,070 Sep 2022
4129 health.govt.nz 7.92/10 2,000 3,166 Aug 2024
4130 london.edu 7.92/10 11,800 8,303 Feb 2023
4131 elledecor.com 7.92/10 304,200 187,314 Jul 2023
4132 texasmonthly.com 7.92/10 381,500 189,931 Sep 2022
4133 lshtm.ac.uk 7.92/10 17,000 8,513 Sep 2022
4134 foodallergy.org 7.92/10 102,100 14,604 May 2024
4135 tribuneindia.com 7.92/10 72,900 76,197 Oct 2022
4136 tv2.no 7.92/10 10,000 7,026 Sep 2022
4137 ucmerced.edu 7.92/10 65,000 9,483 Feb 2025
4138 unizg.hr 7.92/10 950 148 Sep 2022
4139 safekids.org 7.92/10 11,200 9,124 Sep 2022
4140 forward.com 7.92/10 157,400 97,717 Sep 2022
4141 tu-braunschweig.de 7.92/10 1,400 934 Sep 2022
4142 pc.gov.au 7.92/10 550 486 Apr 2023
4143 darksky.org 7.92/10 74,200 26,312 Sep 2022
4144 dailymaverick.co.za 7.92/10 11,100 16,541 Sep 2022
4145 cost.eu 7.92/10 2,800 1,638 Sep 2025
4146 maine.edu 7.92/10 31,100 5,603 Sep 2022
4147 panynj.gov 7.92/10 1,110,000 102,336 Jan 2024
4148 unimib.it 7.92/10 980 1,035 Nov 2024
4149 theparisreview.org 7.92/10 154,900 38,942 Sep 2022
4150 iprima.cz 7.92/10 1,200 542 May 2023
4151 agh.edu.pl 7.92/10 170 121 Jun 2023
4152 letour.fr 7.92/10 57,800 19,009 Jan 2024
4153 uji.es 7.92/10 210 128 Feb 2024
4154 jpf.go.jp 7.92/10 3,400 2,117 Sep 2022
4155 nihon-u.ac.jp 7.92/10 550 67 Sep 2022
4156 khoros.com 7.91/10 4,600 2,504 May 2024
4157 feedbackcompany.com 7.91/10 65 121 Sep 2022
4158 codeburst.io 7.91/10 3,200 6,587 Jun 2026
4159 underscorejs.org 7.91/10 3,100 220 Sep 2022
4160 amazon.ae 7.91/10 57,400 74,687 Jul 2023
4161 nissannews.com 7.91/10 4 16 Apr 2026
4162 visa.co.uk 7.91/10 25,900 16,048 Feb 2026
4163 ktar.com 7.91/10 97,700 98,905 Nov 2022
4164 virginmedia.com 7.91/10 62,200 40,830 Nov 2022
4165 barracuda.com 7.91/10 15,100 7,618 Dec 2024
4166 rclone.org 7.91/10 71,000 26,397 Jul 2023
4167 dayforcehcm.com 7.91/10 89,700 3,431 Mar 2026
4168 datacenterknowledge.com 7.91/10 86,500 14,035 Dec 2024
4169 avm.de 7.91/10 - - Jan 2026
4170 scope.org.uk 7.91/10 2,600 3,100 Sep 2022
4171 lasexta.com 7.91/10 14,400 39,208 Sep 2022
4172 originality.ai 7.91/10 78,100 22,893 Jan 2023
4173 harley-davidson.com 7.91/10 651,100 214,675 Oct 2022
4174 indiaai.gov.in 7.91/10 1,700 2,177 Nov 2025
4175 fotor.com 7.91/10 384,600 226,118 Dec 2023
4176 antaranews.com 7.91/10 3,400 6,805 Jun 2023
4177 deeplearning.ai 7.91/10 134,000 17,605 Sep 2022
4178 bibliocommons.com 7.91/10 57 69 Nov 2024
4179 kaist.ac.kr 7.91/10 4,900 1,443 Oct 2022
4180 rightmove.co.uk 7.91/10 183,800 172,963 Sep 2022
4181 tv5monde.com 7.91/10 3,100 835 Dec 2024
4182 quirinale.it 7.91/10 4,300 1,116 Sep 2022
4183 diabetes.org.uk 7.91/10 148,800 70,161 Sep 2022
4184 vanguardngr.com 7.91/10 31,200 30,551 Sep 2022
4185 historicengland.org.uk 7.91/10 36,800 28,849 Sep 2022
4186 aacr.org 7.91/10 48,200 14,197 Sep 2022
4187 canada.com 7.91/10 89 39 Sep 2022
4188 woodlandtrust.org.uk 7.91/10 463,100 58,004 Sep 2022
4189 myanimelist.net 7.91/10 2,389,600 620,550 May 2025
4190 dailysabah.com 7.91/10 88,800 69,678 Apr 2025
4191 icom.museum 7.91/10 7,700 3,157 Sep 2022
4192 nlihc.org 7.91/10 60,200 22,193 Sep 2022
4193 aflcio.org 7.91/10 181,400 24,315 Sep 2022
4194 swp.de 7.91/10 2,200 5,475 Jun 2023
4195 finaid.org 7.91/10 252,000 21,996 Sep 2025
4196 hna.de 7.91/10 1,800 3,559 Apr 2026
4197 choice.com.au 7.91/10 37,800 56,209 Oct 2024
4198 rush.edu 7.91/10 371,700 102,783 Dec 2024
4199 conjur.com.br 7.91/10 1,300 3,300 Sep 2022
4200 jrkyushu.co.jp 7.91/10 5,600 3,222 Jul 2024

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

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