Websites Powered by Socket.io
163,457 websites tracked using Socket.io (JavaScript frameworks) · socket.io
Socket.io is a JavaScript framework for building interactive web applications. Its official site is socket.io. PoweredBy tracks the websites that use Socket.io across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript frameworks ecosystem.
Usage trend
10K
20K
30K
40K
Apr 2018
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using Socket.io in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 38,047 in Nov 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.1 s
INP 100 ms
CLS 0
TTFB 700 ms
Median site among 31,470 Socket.io sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
8,377
India
5,162
Russia
5,112
Indonesia
4,688
Thailand
3,914
Germany
3,512
United Kingdom
3,255
Brazil
3,165
Sites using Socket.io by audience country, Chrome UX Report.
Top sites by authority
9+
4% · 15 of 372 sites
8+
2% · 126 of 7,677 sites
7+
<1% · 370 of 45,712 sites
6+
<1% · 630 of 110,136 sites
5+
<1% · 995 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Socket.io in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Socket.io
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | google.com | 10.00/10 | 36,640,600 | 1,601,732 | Aug 2018 |
| 2 | cloudfront.net | 9.47/10 | - | - | Aug 2018 |
| 3 | github.io | 9.43/10 | 1,800 | 1 | Aug 2018 |
| 4 | blogspot.com | 9.39/10 | - | - | Aug 2018 |
| 5 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Aug 2023 |
| 6 | opera.com | 9.20/10 | 153,200 | 22,019 | Aug 2018 |
| 7 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Jan 2019 |
| 8 | pages.dev | 9.14/10 | - | - | Dec 2022 |
| 9 | ibm.com | 9.13/10 | 11,139,500 | 518,522 | Feb 2019 |
| 10 | myshopify.com | 9.12/10 | - | - | Jan 2019 |
| 11 | rakuten.co.jp | 9.11/10 | 9,200 | 1,689 | Aug 2018 |
| 12 | unesco.org | 9.06/10 | 294,400 | 71,304 | Aug 2022 |
| 13 | vercel.app | 9.05/10 | - | - | Jan 2022 |
| 14 | netlify.app | 9.01/10 | 2 | 2 | Jan 2022 |
| 15 | psu.edu | 9.01/10 | 581,600 | 94,595 | Dec 2023 |
| 16 | clevelandclinic.org | 8.97/10 | 1,900 | 520 | Jun 2020 |
| 17 | samsung.com | 8.96/10 | 5,696,100 | 1,599,814 | Aug 2018 |
| 18 | uol.com.br | 8.92/10 | 33,600 | 42,015 | Aug 2018 |
| 19 | si.edu | 8.92/10 | 1,458,100 | 152,619 | May 2024 |
| 20 | shop-pro.jp | 8.91/10 | 17 | 9 | Mar 2020 |
| 21 | dot.gov | 8.90/10 | - | - | Feb 2020 |
| 22 | azurewebsites.net | 8.87/10 | - | - | May 2019 |
| 23 | appspot.com | 8.87/10 | - | - | Jan 2019 |
| 24 | accenture.com | 8.87/10 | 138,800 | 76,754 | Sep 2019 |
| 25 | us.com | 8.86/10 | 32 | 9 | May 2020 |
| 26 | tokyo.lg.jp | 8.83/10 | - | - | Sep 2025 |
| 27 | taobao.com | 8.81/10 | 9,100 | 2,995 | May 2023 |
| 28 | it.com | 8.81/10 | - | - | Feb 2025 |
| 29 | leparisien.fr | 8.79/10 | 20,200 | 35,048 | Jun 2023 |
| 30 | gouv.qc.ca | 8.77/10 | - | - | Oct 2022 |
| 31 | web.app | 8.76/10 | - | - | Feb 2022 |
| 32 | osu.edu | 8.76/10 | 163,600 | 14,045 | Aug 2018 |
| 33 | wipo.int | 8.75/10 | 212,400 | 61,637 | Aug 2024 |
| 34 | herokuapp.com | 8.74/10 | - | - | Jan 2019 |
| 35 | ecologie.gouv.fr | 8.71/10 | 2,700 | 5,326 | Dec 2022 |
| 36 | hku.hk | 8.70/10 | 6,000 | 1,100 | Jun 2026 |
| 37 | co.com | 8.67/10 | - | - | Feb 2020 |
| 38 | fifa.com | 8.66/10 | 2,059,400 | 171,849 | Jan 2024 |
| 39 | ru.com | 8.65/10 | - | - | Jan 2019 |
| 40 | 163.com | 8.65/10 | 3,300 | 7,086 | Aug 2018 |
| 41 | olympics.com | 8.64/10 | 3,472,600 | 525,669 | Jul 2023 |
| 42 | proquest.com | 8.63/10 | 20,800 | 9,539 | Dec 2024 |
| 43 | fedoraproject.org | 8.62/10 | 23,500 | 5,555 | May 2023 |
| 44 | lenovo.com | 8.62/10 | 2,565,500 | 423,775 | Jun 2023 |
| 45 | georgia.gov | 8.62/10 | 583,900 | 119,189 | Apr 2024 |
| 46 | nv.gov | 8.61/10 | 110,100 | 5,488 | Mar 2024 |
| 47 | krakow.pl | 8.59/10 | 690 | 649 | Jan 2019 |
| 48 | unam.mx | 8.58/10 | 1,900 | 1,196 | Apr 2019 |
| 49 | neocities.org | 8.57/10 | 23,000 | 6,887 | Jan 2025 |
| 50 | cuni.cz | 8.56/10 | 4,400 | 1,637 | Apr 2026 |
| 51 | pymnts.com | 8.55/10 | 109,100 | 78,500 | Mar 2023 |
| 52 | makeshop.jp | 8.54/10 | - | 10 | Apr 2019 |
| 53 | spb.ru | 8.53/10 | - | - | Jun 2018 |
| 54 | mi.com | 8.52/10 | 148,900 | 81,168 | May 2019 |
| 55 | it-recht-kanzlei.de | 8.52/10 | 25 | 52 | Nov 2018 |
| 56 | imweb.me | 8.50/10 | 5 | 10 | Dec 2021 |
| 57 | nazwa.pl | 8.50/10 | 720 | 101 | Feb 2020 |
| 58 | hpe.com | 8.50/10 | 245,000 | 37,402 | Jun 2026 |
| 59 | tradingeconomics.com | 8.50/10 | 2,438,900 | 335,464 | Apr 2018 |
| 60 | hostingersite.com | 8.49/10 | - | - | Apr 2026 |
| 61 | datadoghq.com | 8.49/10 | 40,500 | 17,617 | Aug 2018 |
| 62 | fastly.net | 8.49/10 | - | - | May 2025 |
| 63 | vlaanderen.be | 8.49/10 | 7,000 | 3,242 | May 2019 |
| 64 | grafana.com | 8.48/10 | 47,400 | 56,250 | Jul 2020 |
| 65 | poznan.pl | 8.47/10 | 320 | 564 | Mar 2021 |
| 66 | hostpoint.ch | 8.41/10 | 1,200 | 264 | May 2026 |
| 67 | narod.ru | 8.41/10 | - | 3 | Feb 2020 |
| 68 | exlibrisgroup.com | 8.39/10 | 2,400 | 392 | Aug 2022 |
| 69 | studio.site | 8.39/10 | - | - | Oct 2024 |
| 70 | pp.ua | 8.37/10 | 22 | 5 | Sep 2022 |
| 71 | lodz.pl | 8.37/10 | 90 | 193 | Jan 2019 |
| 72 | jpn.com | 8.36/10 | - | - | Jan 2019 |
| 73 | wroc.pl | 8.36/10 | - | - | Dec 2020 |
| 74 | uchile.cl | 8.35/10 | 1,900 | 3,976 | Aug 2018 |
| 75 | uv.es | 8.35/10 | 19,100 | 19,126 | Feb 2023 |
| 76 | excite.co.jp | 8.34/10 | 1,200 | 3,025 | Jul 2023 |
| 77 | bitdefender.com | 8.32/10 | 205,200 | 57,745 | Nov 2018 |
| 78 | cafe24.com | 8.31/10 | 6 | 6 | Sep 2019 |
| 79 | 3ds.com | 8.31/10 | 61,300 | 21,868 | Aug 2018 |
| 80 | messefrankfurt.com | 8.31/10 | 2,100 | 791 | May 2022 |
| 81 | socialpilot.co | 8.30/10 | 54,400 | 32,176 | Apr 2023 |
| 82 | ti.com | 8.30/10 | 249,900 | 69,001 | Aug 2018 |
| 83 | firebaseapp.com | 8.27/10 | - | - | Apr 2019 |
| 84 | com.ru | 8.27/10 | - | - | Jan 2019 |
| 85 | unaf.fr | 8.26/10 | 18 | 66 | Apr 2026 |
| 86 | aon.com | 8.25/10 | 41,100 | 22,888 | Mar 2025 |
| 87 | chosun.com | 8.25/10 | 268,400 | 143,766 | Feb 2023 |
| 88 | libero.it | 8.25/10 | 9,500 | 9,693 | Aug 2018 |
| 89 | socket.io | 8.24/10 | 6,800 | 6,099 | Aug 2018 |
| 90 | iss.it | 8.24/10 | 430 | 270 | May 2023 |
| 91 | iol.pt | 8.23/10 | 3,500 | 361 | Aug 2018 |
| 92 | ubi.com | 8.22/10 | - | - | Nov 2022 |
| 93 | extension.org | 8.21/10 | 18,800 | 456 | Jun 2020 |
| 94 | uba.ar | 8.21/10 | 670 | 586 | Feb 2026 |
| 95 | 104.com.tw | 8.20/10 | 42,400 | 1,417 | Dec 2023 |
| 96 | railway.app | 8.19/10 | - | - | Aug 2022 |
| 97 | youcanbook.me | 8.17/10 | 25,400 | 10,328 | Jun 2018 |
| 98 | hiroshima-u.ac.jp | 8.17/10 | 7,800 | 648 | Apr 2022 |
| 99 | replit.app | 8.16/10 | - | - | Dec 2024 |
| 100 | wfu.edu | 8.16/10 | 12,200 | 7,427 | Feb 2020 |
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) →