Websites Powered by core-js

17,008,726 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 Aug 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 5,233,067 core-js sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 1,320,418
India 439,882
Brazil 411,231
United Kingdom 404,005
Germany 391,462
France 311,727
Canada 298,167
Italy 291,018

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

Top sites by authority

9+ 65% · 243 of 372 sites
8+ 66% · 5,081 of 7,677 sites
7+ 57% · 26,045 of 45,712 sites
6+ 51% · 56,582 of 110,136 sites
5+ 44% · 107,942 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
1601 channelnewsasia.com 8.51/10 62,900 50,518 Sep 2021
1602 polygon.com 8.51/10 1,980,700 932,291 Sep 2021
1603 gov.ro 8.51/10 640 166 Aug 2021
1604 deepl.com 8.51/10 7,537,100 322,263 Sep 2021
1605 citizensadvice.org.uk 8.51/10 50,700 55,597 May 2022
1606 uni-bremen.de 8.51/10 2,000 1,789 Sep 2021
1607 unizar.es 8.51/10 280 138 Sep 2021
1608 psychcentral.com 8.51/10 491,400 205,778 Aug 2021
1609 player.fm 8.51/10 70,900 79,109 Apr 2023
1610 travelandleisure.com 8.51/10 1,695,300 730,010 Sep 2021
1611 si.com 8.51/10 8,095,800 2,990,082 Sep 2021
1612 ukri.org 8.51/10 31,600 13,846 Sep 2021
1613 nice.org.uk 8.51/10 43,900 34,673 Sep 2021
1614 worldpopulationreview.com 8.51/10 3,024,100 559,750 Sep 2021
1615 eu.org 8.51/10 - - Aug 2021
1616 arduino.cc 8.51/10 112,300 20,206 Sep 2021
1617 atlasobscura.com 8.51/10 1,473,100 391,313 Sep 2021
1618 drexel.edu 8.51/10 301,000 78,571 Aug 2021
1619 jmir.org 8.51/10 21,000 31,548 Aug 2021
1620 ning.com 8.51/10 4,400 720 Sep 2021
1621 aip.org 8.51/10 21,800 14,396 Sep 2021
1622 worldometers.info 8.51/10 2,622,700 148,132 Nov 2024
1623 rte.ie 8.51/10 196,200 155,059 Sep 2021
1624 iaea.org 8.51/10 482,000 58,143 Sep 2021
1625 monash.edu 8.51/10 257,300 68,187 Sep 2021
1626 ala.org 8.51/10 269,200 59,363 Sep 2021
1627 az.gov 8.51/10 28,300 6,807 Aug 2021
1628 repec.org 8.51/10 270 184 Apr 2026
1629 shinobi.jp 8.51/10 - 1 Sep 2021
1630 copernicus.eu 8.51/10 17,100 6,413 Sep 2021
1631 nsc.org 8.51/10 74,400 25,094 Sep 2021
1632 ibge.gov.br 8.51/10 4,400 4,506 Aug 2022
1633 sante.gouv.fr 8.51/10 2,100 2,140 Sep 2021
1634 derstandard.at 8.51/10 3,300 6,890 Aug 2021
1635 ucalgary.ca 8.51/10 11,000 10,559 Sep 2021
1636 nzherald.co.nz 8.51/10 214,600 228,829 Aug 2021
1637 latribune.fr 8.51/10 1,600 3,943 Sep 2021
1638 muni.cz 8.51/10 1,300 919 Aug 2021
1639 expressen.se 8.51/10 8,700 11,009 Sep 2021
1640 nu.nl 8.51/10 14,200 7,610 Sep 2021
1641 louvre.fr 8.51/10 468,000 35,735 Sep 2021
1642 coocan.jp 8.51/10 - - Sep 2021
1643 jsdelivr.com 8.50/10 9,100 9,594 May 2024
1644 one.com 8.50/10 42,000 8,368 Sep 2021
1645 1688.com 8.50/10 14,800 126 Aug 2021
1646 imweb.me 8.50/10 5 10 Sep 2021
1647 appsflyer.com 8.50/10 22,600 6,353 Sep 2021
1648 minecraft.net 8.50/10 2,622,500 476,607 Aug 2021
1649 xiaohongshu.com 8.50/10 150,300 185 Sep 2021
1650 make.com 8.50/10 11,100 12,143 Apr 2022
1651 replit.com 8.50/10 91,100 17,073 Feb 2023
1652 base.shop 8.50/10 - - Aug 2021
1653 pandora.com 8.50/10 409,200 52,381 Sep 2021
1654 roblox.com 8.50/10 4,547,800 359,353 Sep 2021
1655 cbs.com 8.50/10 2,072,700 176,712 Sep 2021
1656 taboola.com 8.50/10 10,200 5,413 Sep 2021
1657 rg.ru 8.50/10 210 432 Sep 2021
1658 mixpanel.com 8.50/10 7,800 2,557 Aug 2021
1659 unity.com 8.50/10 178,600 50,957 Aug 2021
1660 uxdesign.cc 8.50/10 24,300 29,656 Aug 2021
1661 hpe.com 8.50/10 245,000 37,402 Sep 2021
1662 kinsta.com 8.50/10 378,200 65,287 Sep 2021
1663 lexisnexis.com 8.50/10 76,100 28,115 Sep 2021
1664 paloaltonetworks.com 8.50/10 143,200 36,610 Sep 2021
1665 crisp.chat 8.50/10 15,600 1,902 Sep 2021
1666 unity3d.com 8.50/10 2 7 Sep 2021
1667 lastpass.com 8.50/10 297,400 25,252 Aug 2021
1668 pcdn.co 8.50/10 - - Aug 2021
1669 public.lu 8.50/10 - - Aug 2021
1670 bitkom.org 8.50/10 90 211 Apr 2023
1671 lulu.com 8.50/10 33,000 27,459 Aug 2021
1672 ncaa.org 8.50/10 236,400 44,857 Oct 2021
1673 fgov.be 8.50/10 - - Sep 2021
1674 asus.com 8.50/10 1,078,400 375,127 Aug 2021
1675 cointelegraph.com 8.50/10 20,000 29,794 Sep 2021
1676 tradingeconomics.com 8.50/10 2,438,900 335,464 Apr 2026
1677 hackmd.io 8.50/10 26,700 33,483 Sep 2021
1678 visme.co 8.50/10 46,100 41,610 Aug 2021
1679 tfl.gov.uk 8.50/10 244,800 86,703 Aug 2021
1680 jasper.ai 8.50/10 21,700 14,406 Mar 2022
1681 ada.org 8.50/10 341,800 96,535 Sep 2021
1682 elle.com 8.50/10 2,258,900 845,374 Sep 2021
1683 crossref.org 8.50/10 6,200 2,516 Sep 2021
1684 gla.ac.uk 8.50/10 53,300 23,537 Sep 2021
1685 iom.int 8.50/10 59,900 29,608 Aug 2021
1686 paho.org 8.50/10 163,700 49,144 Sep 2021
1687 earthday.org 8.50/10 86,500 59,334 Sep 2021
1688 icrc.org 8.50/10 64,500 19,714 Sep 2021
1689 reservix.de 8.50/10 250 899 Sep 2021
1690 au.dk 8.50/10 500 473 Sep 2021
1691 syr.edu 8.50/10 - - Aug 2021
1692 clemson.edu 8.50/10 373,300 114,661 Aug 2021
1693 case.edu 8.50/10 694,400 120,999 Sep 2021
1694 britishcouncil.org 8.50/10 20,900 11,121 Aug 2021
1695 asm.org 8.50/10 129,500 27,778 Sep 2021
1696 bc.edu 8.50/10 205,200 43,802 Aug 2021
1697 umontreal.ca 8.50/10 3,700 761 Sep 2021
1698 miami.edu 8.50/10 5 13 Aug 2021
1699 ku.dk 8.50/10 5,000 2,453 Sep 2021
1700 eventbrite.it 8.50/10 670 1,006 Sep 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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