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
2601 carbonbrief.org 8.32/10 19,400 19,208 Sep 2021
2602 has-sante.fr 8.32/10 4,500 6,529 Sep 2021
2603 fordham.edu 8.32/10 368,700 58,873 Aug 2021
2604 grist.org 8.32/10 42,000 50,651 Sep 2021
2605 zh.ch 8.32/10 2,200 1,780 Sep 2021
2606 ina.fr 8.32/10 1,400 5,358 Sep 2021
2607 jfc.go.jp 8.32/10 45 57 Sep 2021
2608 eur.nl 8.32/10 8,800 4,656 Sep 2021
2609 stadt-zuerich.ch 8.32/10 1,400 1,153 Sep 2021
2610 rijksmuseum.nl 8.32/10 31,100 6,477 Sep 2021
2611 tiny.cloud 8.31/10 11,800 8,956 Sep 2021
2612 cafe24.com 8.31/10 6 6 Aug 2021
2613 cbr.ru 8.31/10 45,500 11,972 Sep 2021
2614 posthog.com 8.31/10 5,200 5,311 Sep 2021
2615 codecanyon.net 8.31/10 10,900 15,340 Sep 2021
2616 pepsico.com 8.31/10 67,100 51,832 Sep 2021
2617 ideal.nl 8.31/10 230 208 Sep 2021
2618 3ds.com 8.31/10 61,300 21,868 Sep 2021
2619 raspberrypi.com 8.31/10 252,500 70,130 Dec 2021
2620 doctolib.de 8.31/10 230 1,079 Sep 2021
2621 gazeta.ru 8.31/10 1,500 400 Oct 2021
2622 agoda.com 8.31/10 1,738,200 1,213,645 Sep 2021
2623 ringcentral.com 8.31/10 566,500 36,089 Sep 2021
2624 autonews.com 8.31/10 113,400 86,742 Sep 2021
2625 rakuten.com 8.31/10 841,500 137,433 Sep 2021
2626 cmswire.com 8.31/10 20,700 19,185 Sep 2021
2627 ynetnews.com 8.31/10 128,000 85,081 Aug 2021
2628 eset.com 8.31/10 67,600 18,838 Aug 2021
2629 home-assistant.io 8.31/10 188,500 149,033 Sep 2021
2630 qt.io 8.31/10 18,400 10,504 Aug 2021
2631 uniswap.org 8.31/10 - 8 Sep 2021
2632 seesaa.net 8.31/10 - - Sep 2021
2633 occrp.org 8.31/10 20,500 9,473 Apr 2024
2634 lrt.lt 8.31/10 6,100 6,442 Sep 2021
2635 networkforgood.com 8.31/10 - - Sep 2021
2636 dailycaller.com 8.31/10 67,100 11,530 Sep 2021
2637 awwwards.com 8.31/10 72,000 18,906 Sep 2021
2638 mga.org.mt 8.31/10 670 402 Apr 2024
2639 dzone.com 8.31/10 20,900 37,774 Nov 2022
2640 ul.com 8.31/10 45,600 23,537 Sep 2021
2641 porsche.com 8.31/10 939,700 121,265 Aug 2021
2642 messefrankfurt.com 8.31/10 2,100 791 Aug 2021
2643 abb.com 8.31/10 14,000 15,537 Aug 2021
2644 delish.com 8.31/10 3,995,600 1,173,979 Sep 2021
2645 wiz.io 8.31/10 44,000 17,157 Sep 2021
2646 libguides.com 8.31/10 - - Sep 2021
2647 publishersweekly.com 8.31/10 208,900 170,234 Sep 2021
2648 veed.io 8.31/10 244,400 114,704 Sep 2021
2649 womenshealthmag.com 8.31/10 925,000 654,603 Sep 2021
2650 nolo.com 8.31/10 367,500 201,970 Sep 2021
2651 comptia.org 8.31/10 114,300 26,830 Sep 2021
2652 self.com 8.31/10 380,500 353,100 Sep 2021
2653 benzinga.com 8.31/10 387,900 208,175 Sep 2021
2654 penguin.co.uk 8.31/10 161,700 76,878 Sep 2021
2655 asha.org 8.31/10 252,400 50,669 Aug 2021
2656 post-gazette.com 8.31/10 274,300 265,457 Sep 2021
2657 cleveland.com 8.31/10 862,300 551,230 Aug 2021
2658 eib.org 8.31/10 43,900 50,590 Sep 2021
2659 lmu.de 8.31/10 18,700 7,012 Aug 2021
2660 aalto.fi 8.31/10 4,800 4,406 Sep 2021
2661 mediaset.it 8.31/10 - 1 Aug 2021
2662 newrepublic.com 8.31/10 107,100 73,029 Sep 2021
2663 nine.com.au 8.31/10 94,800 50,813 Aug 2021
2664 wm.edu 8.31/10 210,900 51,291 Aug 2021
2665 chathamhouse.org 8.31/10 85,200 35,278 Sep 2021
2666 wvu.edu 8.31/10 89,800 17,348 Aug 2021
2667 polskieradio.pl 8.31/10 5,900 7,517 Aug 2021
2668 electrek.co 8.31/10 198,200 139,146 Sep 2021
2669 oxfam.org 8.31/10 13,900 7,210 Sep 2021
2670 uab.edu 8.31/10 332,800 129,887 Sep 2021
2671 uniroma1.it 8.31/10 5,100 3,214 Sep 2021
2672 sciencenews.org 8.31/10 108,100 76,959 Sep 2021
2673 tokyo-np.co.jp 8.31/10 19 30 Sep 2021
2674 radiko.jp 8.31/10 48 99 May 2024
2675 persee.fr 8.31/10 5,600 15,558 Sep 2021
2676 suntory.co.jp 8.31/10 350 279 Sep 2021
2677 9news.com.au 8.31/10 95,300 105,268 Oct 2021
2678 ncmec.org 8.30/10 39 13 Dec 2023
2679 attracta.com 8.30/10 130 226 Sep 2021
2680 37signals.com 8.30/10 9,100 831 Oct 2022
2681 contentful.com 8.30/10 23,400 7,441 Sep 2021
2682 podia.com 8.30/10 5,400 2,810 Sep 2021
2683 matrix.org 8.30/10 8,500 3,550 Sep 2021
2684 studiopress.com 8.30/10 1,700 580 Sep 2021
2685 anwalt.de 8.30/10 850 1,348 Sep 2021
2686 bio.link 8.30/10 6,600 2,961 Sep 2021
2687 chinanews.com 8.30/10 - 8 Sep 2021
2688 tsinghua.edu.cn 8.30/10 17,600 2,428 Aug 2021
2689 aiga.org 8.30/10 12,000 5,966 Sep 2021
2690 lilly.com 8.30/10 205,900 25,401 Aug 2021
2691 movember.com 8.30/10 250 126 Sep 2021
2692 campaignlive.co.uk 8.30/10 15,300 14,457 Apr 2022
2693 goal.com 8.30/10 895,400 373,811 Oct 2021
2694 walgreens.com 8.30/10 8,701,100 2,210,937 Sep 2021
2695 bsigroup.com 8.30/10 15,900 4,873 Sep 2021
2696 socialpilot.co 8.30/10 54,400 32,176 Sep 2021
2697 newsobserver.com 8.30/10 259,600 180,903 Sep 2021
2698 thehindubusinessline.com 8.30/10 18,300 35,460 Sep 2021
2699 clarin.com 8.30/10 122,800 192,255 Sep 2021
2700 udn.com 8.30/10 1,600 1,080 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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