Websites Powered by HTTP/3
17,811,706 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
2M
4M
6M
Sep 2022
Sep 2023
Sep 2024
Aug 2025
Aug 2026
Domains observed using HTTP/3 in each month's HTTP Archive crawl,
Sep 2022 to Aug 2026 · peak 5,057,746 in Jul 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 4,610,995 HTTP/3 sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
1,141,651
India
531,962
Brazil
414,021
United Kingdom
386,042
Indonesia
294,061
Germany
289,537
Canada
280,974
Italy
273,070
Sites using HTTP/3 by audience country, Chrome UX Report.
Top sites by authority
9+
56% · 208 of 372 sites
8+
47% · 3,591 of 7,677 sites
7+
37% · 17,002 of 45,712 sites
6+
34% · 36,960 of 110,136 sites
5+
29% · 72,129 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
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 2201 | barcelona.cat | 8.26/10 | 18,300 | 7,599 | Jan 2026 |
| 2202 | commonwealthfund.org | 8.26/10 | 92,800 | 41,304 | Sep 2022 |
| 2203 | wnyc.org | 8.26/10 | 161,300 | 65,481 | Sep 2022 |
| 2204 | uark.edu | 8.26/10 | 90,000 | 9,143 | Feb 2025 |
| 2205 | unlv.edu | 8.26/10 | 319,800 | 86,297 | Sep 2022 |
| 2206 | neurology.org | 8.26/10 | 121,300 | 47,586 | Dec 2023 |
| 2207 | chop.edu | 8.26/10 | 1,318,800 | 212,894 | Jun 2024 |
| 2208 | treccani.it | 8.26/10 | 32,600 | 30,533 | Aug 2025 |
| 2209 | unistra.fr | 8.26/10 | 1,500 | 1,386 | Mar 2024 |
| 2210 | suzuri.jp | 8.26/10 | 110 | 204 | Oct 2025 |
| 2211 | scroll.in | 8.26/10 | 24,000 | 40,937 | May 2024 |
| 2212 | hokkaido.lg.jp | 8.26/10 | - | - | Sep 2024 |
| 2213 | art.pl | 8.26/10 | - | - | Sep 2022 |
| 2214 | avrotros.nl | 8.26/10 | 500 | 427 | Sep 2022 |
| 2215 | kodansha.co.jp | 8.26/10 | 28 | 52 | Sep 2022 |
| 2216 | zeldman.com | 8.25/10 | 160 | 130 | Jun 2023 |
| 2217 | apollographql.com | 8.25/10 | 18,700 | 5,414 | Sep 2022 |
| 2218 | siteorigin.com | 8.25/10 | 740 | 1,216 | Jun 2025 |
| 2219 | waybackmachinedownloader.com | 8.25/10 | 24,000 | 375 | Sep 2022 |
| 2220 | esrb.org | 8.25/10 | 86,000 | 49,429 | Nov 2022 |
| 2221 | abtasty.com | 8.25/10 | 11,400 | 2,405 | Sep 2022 |
| 2222 | joomag.com | 8.25/10 | 96 | 125 | Apr 2023 |
| 2223 | supabase.com | 8.25/10 | 31,500 | 66,320 | Oct 2022 |
| 2224 | cloudera.com | 8.25/10 | 3,900 | 4,067 | Jul 2026 |
| 2225 | hse.ru | 8.25/10 | 1,500 | 2,325 | May 2024 |
| 2226 | dynatrace.com | 8.25/10 | 23,800 | 11,707 | Sep 2022 |
| 2227 | domaintools.com | 8.25/10 | 1,900 | 1,227 | Sep 2022 |
| 2228 | kajabi.com | 8.25/10 | 8,500 | 8,599 | Jan 2024 |
| 2229 | linode.com | 8.25/10 | 21,300 | 21,696 | Sep 2022 |
| 2230 | luckyorange.com | 8.25/10 | 960 | 267 | Jul 2023 |
| 2231 | openclaw.ai | 8.25/10 | - | - | Jun 2026 |
| 2232 | acortar.link | 8.25/10 | 110 | 84 | Sep 2022 |
| 2233 | siriusxm.com | 8.25/10 | 1,747,400 | 290,256 | May 2024 |
| 2234 | confluent.io | 8.25/10 | 78,000 | 5,981 | Nov 2024 |
| 2235 | freedomscientific.com | 8.25/10 | 13,100 | 4,783 | Sep 2022 |
| 2236 | readwrite.com | 8.25/10 | 12,800 | 8,786 | Sep 2022 |
| 2237 | allstate.com | 8.25/10 | 3,202,000 | 182,789 | Sep 2022 |
| 2238 | cureus.com | 8.25/10 | 177,800 | 206,244 | Feb 2024 |
| 2239 | shoper.pl | 8.25/10 | 79 | 62 | Sep 2022 |
| 2240 | snl.no | 8.25/10 | 42,300 | 18,168 | Sep 2022 |
| 2241 | haz.de | 8.25/10 | 560 | 1,377 | Dec 2025 |
| 2242 | carfax.com | 8.25/10 | 19,168,500 | 1,898,909 | Nov 2023 |
| 2243 | omnisend.com | 8.25/10 | 38,900 | 20,660 | Sep 2022 |
| 2244 | cqc.org.uk | 8.25/10 | 13,600 | 14,760 | Oct 2022 |
| 2245 | lazada.co.th | 8.25/10 | 1,900 | 7,247 | Aug 2023 |
| 2246 | linux.org | 8.25/10 | 46,300 | 29,405 | Sep 2022 |
| 2247 | notes.io | 8.25/10 | 1,900 | 884 | Sep 2022 |
| 2248 | lazada.vn | 8.25/10 | 1,300 | 6,306 | Aug 2023 |
| 2249 | uhc.com | 8.25/10 | 1,985,900 | 339,971 | Aug 2025 |
| 2250 | kompas.com | 8.25/10 | 3,500 | 11,149 | Nov 2022 |
| 2251 | asco.org | 8.25/10 | 21,800 | 14,718 | Dec 2024 |
| 2252 | mercedes-benz.com | 8.25/10 | 186,400 | 15,625 | Nov 2022 |
| 2253 | shopee.co.id | 8.25/10 | 27,300 | 103,068 | Jun 2023 |
| 2254 | thriveglobal.com | 8.25/10 | 28,500 | 2,878 | Sep 2022 |
| 2255 | themoviedb.org | 8.25/10 | 25,116,700 | 1,542,798 | Sep 2022 |
| 2256 | pagesjaunes.fr | 8.25/10 | 8,500 | 31,087 | Sep 2022 |
| 2257 | toyota.com | 8.25/10 | 5,810,100 | 482,191 | Sep 2022 |
| 2258 | brainyquote.com | 8.25/10 | 1,864,300 | 343,079 | Apr 2025 |
| 2259 | news24.com | 8.25/10 | 93,800 | 83,126 | Sep 2022 |
| 2260 | broadwayworld.com | 8.25/10 | 983,900 | 513,735 | Sep 2022 |
| 2261 | conference-board.org | 8.25/10 | 60,100 | 35,792 | Mar 2026 |
| 2262 | naic.org | 8.25/10 | 250 | 50 | May 2023 |
| 2263 | apollo.io | 8.25/10 | 49,000 | 5,651 | May 2023 |
| 2264 | kiplinger.com | 8.25/10 | 490,700 | 278,275 | Apr 2023 |
| 2265 | sfr.fr | 8.25/10 | 1,500 | 2,124 | Sep 2022 |
| 2266 | rhs.org.uk | 8.25/10 | 439,000 | 246,520 | Jun 2025 |
| 2267 | theiet.org | 8.25/10 | 19,600 | 4,631 | Nov 2024 |
| 2268 | scotsman.com | 8.25/10 | 134,000 | 79,200 | Sep 2022 |
| 2269 | bleacherreport.com | 8.25/10 | 2,703,000 | 1,046,827 | Mar 2023 |
| 2270 | cepal.org | 8.25/10 | 12,600 | 10,537 | Feb 2024 |
| 2271 | novascotia.ca | 8.25/10 | 22,700 | 24,976 | Mar 2024 |
| 2272 | unaids.org | 8.25/10 | 15,200 | 13,299 | Jul 2025 |
| 2273 | kurier.at | 8.25/10 | 3,600 | 6,367 | Sep 2022 |
| 2274 | scu.edu | 8.25/10 | 182,300 | 59,213 | Sep 2022 |
| 2275 | abendblatt.de | 8.25/10 | 3,100 | 6,910 | Oct 2025 |
| 2276 | uni-kiel.de | 8.25/10 | 1,300 | 766 | Aug 2024 |
| 2277 | nutrition.org | 8.25/10 | 23,900 | 7,746 | Apr 2023 |
| 2278 | peta.org | 8.25/10 | 234,400 | 99,026 | Feb 2024 |
| 2279 | floridahealth.gov | 8.25/10 | 345,400 | 156,641 | Jan 2026 |
| 2280 | ulisboa.pt | 8.25/10 | 6,100 | 1,009 | Nov 2022 |
| 2281 | nwf.org | 8.25/10 | 917,800 | 72,616 | Sep 2022 |
| 2282 | brandeis.edu | 8.25/10 | 335,000 | 61,695 | Oct 2023 |
| 2283 | letelegramme.fr | 8.25/10 | 5,200 | 13,343 | Sep 2022 |
| 2284 | unito.it | 8.25/10 | 630 | 627 | Sep 2022 |
| 2285 | usask.ca | 8.25/10 | 13,500 | 3,000 | Dec 2022 |
| 2286 | project-syndicate.org | 8.25/10 | 33,200 | 22,217 | Nov 2022 |
| 2287 | edf.fr | 8.25/10 | 4,400 | 2,871 | Sep 2022 |
| 2288 | ilfattoquotidiano.it | 8.25/10 | 6,500 | 8,927 | Sep 2022 |
| 2289 | boston.gov | 8.25/10 | 645,100 | 155,908 | Sep 2022 |
| 2290 | libero.it | 8.25/10 | 9,500 | 9,693 | Sep 2022 |
| 2291 | knaw.nl | 8.25/10 | 65 | 91 | Jul 2024 |
| 2292 | linkr.bio | 8.25/10 | 1,200 | 738 | Sep 2022 |
| 2293 | sciencespo.fr | 8.25/10 | 33,100 | 16,968 | Jan 2025 |
| 2294 | ufrj.br | 8.25/10 | 320 | 114 | Sep 2022 |
| 2295 | nagoya-u.ac.jp | 8.25/10 | 11 | 36 | Dec 2024 |
| 2296 | imgix.com | 8.24/10 | 530 | 539 | Nov 2024 |
| 2297 | valvesoftware.com | 8.24/10 | 41,700 | 7,012 | Jul 2025 |
| 2298 | presscustomizr.com | 8.24/10 | 100 | 38 | Apr 2025 |
| 2299 | shopware.com | 8.24/10 | 630 | 19 | Dec 2022 |
| 2300 | netapp.com | 8.24/10 | 33,800 | 13,151 | Dec 2022 |
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.
Download top 10,000 as CSV (zip) →