Websites Powered by Socket.io
168,256 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
Jun 2020
Jul 2022
Sep 2024
Oct 2026
Domains observed using Socket.io in each month's HTTP Archive crawl,
Apr 2018 to Oct 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 30,792 Socket.io sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
7,259
India
4,605
Russia
4,559
Indonesia
3,723
Thailand
3,231
Brazil
2,917
Germany
2,895
United Kingdom
2,864
Sites using Socket.io by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Automotive | 1.72% | 1,440 |
| Games | 0.44% | 32 |
| News and media | 0.39% | 190 |
| Government | 0.27% | 25 |
| Education | 0.23% | 148 |
| Retail | 0.21% | 756 |
| Software and apps | 0.19% | 298 |
| Finance and insurance | 0.18% | 37 |
| Industrial and manufacturing | 0.16% | 8 |
| Real estate | 0.15% | 125 |
| Pets and animals | 0.13% | 4 |
| Legal | 0.11% | 32 |
Share of each industry's websites with a detected stack that use Socket.io; industries come from what sites declare in their own structured data.
Top sites by authority
9+
5% · 17 of 372 sites
8+
2% · 121 of 7,677 sites
7+
<1% · 357 of 45,712 sites
6+
<1% · 600 of 110,136 sites
5+
<1% · 936 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 | cloudfront.net | 9.47/10 | - | - | Aug 2018 |
| 2 | github.io | 9.43/10 | 1,800 | 1 | Aug 2018 |
| 3 | blogspot.com | 9.39/10 | - | - | Aug 2018 |
| 4 | harvard.edu | 9.24/10 | 472,700 | 11,444 | Aug 2023 |
| 5 | un.org | 9.21/10 | 2,209,200 | 439,253 | Sep 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 | windows.net | 9.04/10 | - | - | Oct 2026 |
| 15 | netlify.app | 9.01/10 | 2 | 2 | Jan 2022 |
| 16 | psu.edu | 9.01/10 | 580,400 | 80,390 | Dec 2023 |
| 17 | uk.com | 9.00/10 | 2 | 12 | Jan 2019 |
| 18 | samsung.com | 8.96/10 | 5,663,200 | 685,042 | Aug 2018 |
| 19 | uol.com.br | 8.92/10 | 33,600 | 42,015 | Aug 2018 |
| 20 | withgoogle.com | 8.91/10 | - | - | Aug 2022 |
| 21 | shop-pro.jp | 8.91/10 | 17 | 9 | Mar 2020 |
| 22 | dot.gov | 8.90/10 | - | - | Feb 2020 |
| 23 | azurewebsites.net | 8.87/10 | - | - | May 2019 |
| 24 | appspot.com | 8.87/10 | - | - | Jan 2019 |
| 25 | accenture.com | 8.87/10 | 138,800 | 76,754 | Sep 2019 |
| 26 | us.com | 8.86/10 | 32 | 8 | May 2020 |
| 27 | tokyo.lg.jp | 8.83/10 | - | - | Sep 2025 |
| 28 | it.com | 8.81/10 | - | - | Feb 2025 |
| 29 | leparisien.fr | 8.79/10 | 20,200 | 35,048 | Jun 2023 |
| 30 | eu.com | 8.77/10 | - | - | Feb 2020 |
| 31 | gouv.qc.ca | 8.77/10 | - | - | Oct 2022 |
| 32 | web.app | 8.76/10 | - | - | Feb 2022 |
| 33 | osu.edu | 8.76/10 | 144,000 | 12,535 | Aug 2018 |
| 34 | wipo.int | 8.75/10 | 203,900 | 53,683 | Aug 2024 |
| 35 | herokuapp.com | 8.74/10 | - | - | Jan 2019 |
| 36 | ecologie.gouv.fr | 8.71/10 | 2,700 | 5,326 | Dec 2022 |
| 37 | co.com | 8.67/10 | - | - | Feb 2020 |
| 38 | esa.int | 8.67/10 | 412,100 | 94,679 | Sep 2022 |
| 39 | fifa.com | 8.66/10 | 2,036,600 | 108,082 | Jan 2024 |
| 40 | ru.com | 8.65/10 | - | - | Jan 2019 |
| 41 | 163.com | 8.65/10 | 3,300 | 7,086 | Aug 2018 |
| 42 | gitlab.io | 8.64/10 | - | - | Jan 2025 |
| 43 | olympics.com | 8.64/10 | 3,472,600 | 525,669 | Jul 2023 |
| 44 | proquest.com | 8.63/10 | 20,400 | 9,141 | Dec 2024 |
| 45 | vanderbilt.edu | 8.63/10 | 265,200 | 51,240 | Oct 2026 |
| 46 | lenovo.com | 8.62/10 | 2,565,500 | 423,775 | Jun 2023 |
| 47 | georgia.gov | 8.62/10 | 569,400 | 108,725 | Apr 2024 |
| 48 | nv.gov | 8.61/10 | 109,900 | 5,228 | Mar 2024 |
| 49 | cn.com | 8.59/10 | 17 | 8 | Oct 2026 |
| 50 | krakow.pl | 8.59/10 | 690 | 649 | Jan 2019 |
| 51 | unam.mx | 8.58/10 | 1,900 | 1,196 | Apr 2019 |
| 52 | neocities.org | 8.57/10 | 22,900 | 5,318 | Jan 2025 |
| 53 | cnr.it | 8.57/10 | 810 | 1,174 | Dec 2022 |
| 54 | pymnts.com | 8.55/10 | 108,000 | 71,673 | Mar 2023 |
| 55 | makeshop.jp | 8.54/10 | - | 10 | Apr 2019 |
| 56 | spb.ru | 8.53/10 | - | - | Jun 2018 |
| 57 | mi.com | 8.52/10 | 148,900 | 81,168 | May 2019 |
| 58 | it-recht-kanzlei.de | 8.52/10 | 25 | 52 | Aug 2016 |
| 59 | nazwa.pl | 8.50/10 | 720 | 101 | Feb 2020 |
| 60 | tradingeconomics.com | 8.50/10 | 2,391,000 | 269,064 | Jan 2016 |
| 61 | datadoghq.com | 8.49/10 | 40,500 | 17,617 | Aug 2018 |
| 62 | vlaanderen.be | 8.49/10 | 7,000 | 3,242 | May 2019 |
| 63 | grafana.com | 8.48/10 | 47,300 | 41,198 | Jul 2020 |
| 64 | de.com | 8.46/10 | - | 2 | Mar 2019 |
| 65 | n8n.io | 8.46/10 | 19,700 | 34,558 | Sep 2026 |
| 66 | hostpoint.ch | 8.41/10 | 1,200 | 264 | May 2026 |
| 67 | exlibrisgroup.com | 8.39/10 | 2,400 | 392 | Aug 2022 |
| 68 | us.org | 8.39/10 | - | 2 | Aug 2026 |
| 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 | bitdefender.com | 8.32/10 | 205,200 | 57,745 | Nov 2018 |
| 77 | cafe24.com | 8.31/10 | 6 | 6 | Sep 2019 |
| 78 | 3ds.com | 8.31/10 | 61,300 | 21,868 | Aug 2018 |
| 79 | messefrankfurt.com | 8.31/10 | 2,100 | 791 | May 2022 |
| 80 | socialpilot.co | 8.30/10 | 54,400 | 32,176 | Apr 2023 |
| 81 | ti.com | 8.30/10 | 249,900 | 69,001 | Aug 2018 |
| 82 | firebaseapp.com | 8.27/10 | - | - | Apr 2019 |
| 83 | com.ru | 8.27/10 | - | - | Jan 2019 |
| 84 | unistra.fr | 8.26/10 | 1,500 | 1,386 | Aug 2018 |
| 85 | aon.com | 8.25/10 | 41,100 | 22,888 | Mar 2025 |
| 86 | socket.io | 8.24/10 | 6,800 | 6,099 | Aug 2018 |
| 87 | iol.pt | 8.23/10 | 3,500 | 361 | Aug 2018 |
| 88 | ubi.com | 8.22/10 | - | - | Nov 2022 |
| 89 | extension.org | 8.21/10 | 17,900 | 374 | Jun 2020 |
| 90 | uc.pt | 8.21/10 | 3,500 | 1,118 | Apr 2024 |
| 91 | 104.com.tw | 8.20/10 | 42,400 | 1,417 | Dec 2023 |
| 92 | railway.app | 8.19/10 | - | - | Aug 2022 |
| 93 | youcanbook.me | 8.17/10 | 25,400 | 10,328 | Jun 2018 |
| 94 | lublin.pl | 8.17/10 | 4 | 3 | Apr 2020 |
| 95 | hiroshima-u.ac.jp | 8.17/10 | 7,800 | 648 | Apr 2022 |
| 96 | replit.app | 8.16/10 | - | - | Dec 2024 |
| 97 | wfu.edu | 8.16/10 | 12,200 | 7,235 | Feb 2020 |
| 98 | au.com | 8.15/10 | 3,100 | 1,693 | Oct 2022 |
| 99 | active.com | 8.15/10 | 52,500 | 20,015 | Jun 2018 |
| 100 | government.bg | 8.15/10 | - | 3 | Jan 2025 |
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) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).