Websites Powered by core-js

16,630,018 websites tracked using core-js (JavaScript libraries) · github.com

core-js is a JavaScript library used to add functionality to web pages. Its official site is github.com. PoweredBy tracks the websites that use core-js across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript libraries ecosystem.

Usage trend

Domains observed using core-js in each month's HTTP Archive crawl, Aug 2021 to Jun 2026 · peak 5,779,339 in Oct 2024. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 2 s INP 75 ms CLS 0 TTFB 800 ms

Median site among 5,218,063 core-js sites with Chrome UX data, p75 values, Jun 2026.

Top countries

United States 1,479,835
India 495,926
United Kingdom 457,421
Germany 439,161
Brazil 420,075
France 369,824
Canada 341,001
Italy 336,371

Sites using core-js by audience country, Chrome UX Report.

Top sites by authority

9+ 65% · 242 of 372 sites
8+ 67% · 5,108 of 7,677 sites
7+ 57% · 26,213 of 45,712 sites
6+ 52% · 57,082 of 110,136 sites
5+ 44% · 109,074 of 246,751 sites

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

Websites using core-js

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
4801 rhizome.org 8.02/10 600 923 Aug 2021
4802 avclub.com 8.02/10 410,300 288,765 Sep 2021
4803 newsmax.com 8.02/10 89,200 23,581 Sep 2021
4804 endocrine.org 8.02/10 156,100 28,554 Sep 2021
4805 tuni.fi 8.02/10 3,800 2,222 Aug 2021
4806 um.dk 8.02/10 26,300 1,686 Aug 2021
4807 melbourne.vic.gov.au 8.02/10 13,700 4,587 Sep 2021
4808 bancaditalia.it 8.02/10 4,200 3,212 Aug 2021
4809 tu-chemnitz.de 8.02/10 3,600 4,758 Oct 2021
4810 enea.it 8.02/10 150 72 Oct 2021
4811 ehu.eus 8.02/10 5,900 4,043 Sep 2021
4812 uea.ac.uk 8.02/10 11,700 4,276 Sep 2021
4813 wgu.edu 8.02/10 840,800 142,891 Sep 2021
4814 bg.ac.rs 8.02/10 68 28 Sep 2021
4815 cedars-sinai.org 8.02/10 1,333,000 335,270 Sep 2021
4816 fnal.gov 8.02/10 42,000 6,676 Sep 2021
4817 whoi.edu 8.02/10 200,900 59,961 Sep 2021
4818 banquedesterritoires.fr 8.02/10 310 646 Nov 2023
4819 montgomerycountymd.gov 8.02/10 644,200 170,050 Sep 2021
4820 utu.fi 8.02/10 2,000 1,036 Sep 2021
4821 pubpub.org 8.02/10 - 2 Sep 2021
4822 mun.ca 8.02/10 28,700 14,305 Sep 2021
4823 usherbrooke.ca 8.02/10 1,900 1,682 Sep 2021
4824 uc.cl 8.02/10 2,800 2,417 Aug 2021
4825 usmint.gov 8.02/10 626,700 104,656 Aug 2021
4826 uff.br 8.02/10 56 156 Sep 2021
4827 afd.fr 8.02/10 3,000 2,604 Sep 2021
4828 livsmedelsverket.se 8.02/10 970 1,096 Sep 2021
4829 clicrbs.com.br 8.02/10 430 104 Aug 2021
4830 univ-nantes.fr 8.02/10 310 598 Sep 2021
4831 nedo.go.jp 8.02/10 100 179 Mar 2022
4832 thebulletin.org 8.02/10 144,100 43,681 Sep 2021
4833 nwo.nl 8.02/10 1,300 1,522 Sep 2021
4834 shiseido.co.jp 8.02/10 49 158 Aug 2021
4835 trafikverket.se 8.02/10 460 1,714 Sep 2021
4836 letudiant.fr 8.02/10 5,300 4,109 Sep 2021
4837 lpo.fr 8.02/10 310 576 Sep 2021
4838 panasonic.co.jp 8.02/10 110 107 Sep 2021
4839 westjr.co.jp 8.02/10 27,300 14,339 Sep 2021
4840 sciencesetavenir.fr 8.02/10 800 2,331 Sep 2021
4841 integralads.com 8.01/10 1,800 685 Aug 2021
4842 register.it 8.01/10 950 764 Sep 2021
4843 cma.gov.cn 8.01/10 480 612 Jun 2022
4844 helpscout.net 8.01/10 - - Aug 2022
4845 amazon.sg 8.01/10 53,200 81,626 Dec 2021
4846 bacp.co.uk 8.01/10 4,400 4,379 Sep 2021
4847 elgato.com 8.01/10 175,500 26,874 Sep 2021
4848 jimdoweb.com 8.01/10 - - Sep 2024
4849 keap.com 8.01/10 14,100 5,804 Sep 2021
4850 civileats.com 8.01/10 15,200 14,847 Sep 2021
4851 computing.co.uk 8.01/10 1,400 3,996 Sep 2021
4852 gumgum.com 8.01/10 830 575 Sep 2021
4853 court.gov.ua 8.01/10 70 35 Sep 2021
4854 sberbank.ru 8.01/10 680 258 Sep 2021
4855 danas.rs 8.01/10 4,300 4,384 Sep 2021
4856 deque.com 8.01/10 9,600 1,777 Sep 2021
4857 overleaf.com 8.01/10 392,200 145,963 Sep 2021
4858 integrityline.com 8.01/10 2,200 529 Aug 2022
4859 termageddon.com 8.01/10 710 685 Aug 2021
4860 zed.dev 8.01/10 20,700 25,056 Aug 2023
4861 codecov.io 8.01/10 2 23 Sep 2021
4862 shein.com 8.01/10 2,900 3,385 Sep 2021
4863 savethechildren.net 8.01/10 10,800 7,009 Sep 2021
4864 blackenterprise.com 8.01/10 82,000 75,592 Sep 2021
4865 research.net 8.01/10 43 5 Sep 2021
4866 hmrc.gov.uk 8.01/10 190 227 Sep 2021
4867 supplychaindive.com 8.01/10 32,700 29,125 Sep 2021
4868 mid.ru 8.01/10 25,400 4,130 Sep 2021
4869 usinenouvelle.com 8.01/10 680 1,816 Sep 2021
4870 gocardless.com 8.01/10 137,100 48,568 Aug 2021
4871 oppo.com 8.01/10 27,800 24,585 Aug 2021
4872 rippling.com 8.01/10 110,400 51,356 Sep 2021
4873 harvardbusiness.org 8.01/10 17,000 2,144 Sep 2021
4874 medcitynews.com 8.01/10 10,000 13,048 Sep 2021
4875 majestic.com 8.01/10 2,000 1,216 Sep 2021
4876 tuv.com 8.01/10 10,900 2,665 Sep 2021
4877 jetblue.com 8.01/10 2,419,100 350,051 Sep 2021
4878 myspreadshop.de 8.01/10 - - Nov 2021
4879 humblebundle.com 8.01/10 302,200 68,163 Sep 2021
4880 acponline.org 8.01/10 84,900 21,057 Sep 2021
4881 yourdictionary.com 8.01/10 10,220,000 941,744 Aug 2021
4882 softgarden.io 8.01/10 - - Oct 2021
4883 cesa.or.jp 8.01/10 - 3 Sep 2021
4884 leonardo.ai 8.01/10 42,200 21,620 Feb 2023
4885 robinhood.com 8.01/10 4,399,600 212,459 Sep 2021
4886 state.oh.us 8.01/10 - - Aug 2022
4887 moj.gov.tw 8.01/10 3 11 Sep 2021
4888 thomasnet.com 8.01/10 112,300 96,955 Sep 2021
4889 highsnobiety.com 8.01/10 203,600 141,496 Aug 2021
4890 sherwin-williams.com 8.01/10 2,507,000 587,302 Aug 2021
4891 razer.com 8.01/10 463,900 129,934 Sep 2021
4892 uipath.com 8.01/10 36,300 11,529 Sep 2021
4893 hsbc.com 8.01/10 45,400 24,569 Aug 2021
4894 apc.org 8.01/10 6,300 1,138 Aug 2022
4895 brenebrown.com 8.01/10 69,500 15,858 Sep 2021
4896 ustravel.org 8.01/10 14,500 7,151 Sep 2021
4897 st.com 8.01/10 59,700 21,929 Sep 2021
4898 southwest.com 8.01/10 10,097,500 432,134 Sep 2021
4899 merck.com 8.01/10 105,900 31,649 Sep 2021
4900 subway.com 8.01/10 1,175,300 111,126 Aug 2021

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) →

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