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
2501 svoboda.org 8.33/10 3,200 237 Sep 2021
2502 sucuri.net 8.33/10 5,900 2,986 Sep 2021
2503 siteground.com 8.33/10 49,100 19,557 Sep 2021
2504 digistore24.com 8.33/10 1,300 873 Sep 2021
2505 statefarm.com 8.33/10 2,274,600 349,747 Sep 2021
2506 tistory.com 8.33/10 230 8 Aug 2021
2507 webnode.com 8.33/10 14,400 5,856 Aug 2021
2508 wyzowl.com 8.33/10 16,600 7,447 Apr 2022
2509 notion.com 8.33/10 378,800 220,406 Sep 2021
2510 staysafeonline.org 8.33/10 141,600 5,370 Nov 2021
2511 marketingdive.com 8.33/10 41,400 39,726 Sep 2021
2512 cash.app 8.33/10 1,008,200 149,021 Sep 2021
2513 printfriendly.com 8.33/10 91,900 95,329 Aug 2023
2514 switch.ch 8.33/10 99 113 Nov 2022
2515 pearson.com 8.33/10 695,400 478,332 Aug 2021
2516 sephora.com 8.33/10 2,991,600 460,548 Aug 2021
2517 knightlab.com 8.33/10 - - Aug 2022
2518 bne.es 8.33/10 1,600 1,758 Sep 2022
2519 wellsfargo.com 8.33/10 6,063,100 571,254 Sep 2021
2520 militaryonesource.mil 8.33/10 426,100 80,182 Aug 2021
2521 jdsupra.com 8.33/10 162,000 170,193 Sep 2021
2522 fidelity.com 8.33/10 5,306,600 511,524 Sep 2021
2523 qiita.com 8.33/10 7,400 56,023 Sep 2021
2524 uodo.gov.pl 8.33/10 19 76 Dec 2022
2525 pfizer.com 8.33/10 355,200 91,794 Sep 2021
2526 acpjournals.org 8.33/10 35,900 26,912 Sep 2021
2527 hm.com 8.33/10 9,100 5,619 Aug 2021
2528 schleswig-holstein.de 8.33/10 510 478 Sep 2021
2529 popsugar.com 8.33/10 588,300 572,961 Sep 2021
2530 outlookindia.com 8.33/10 36,200 67,804 Sep 2021
2531 bristol.ac.uk 8.33/10 52,100 24,733 Aug 2021
2532 foodandwine.com 8.33/10 2,556,500 753,562 Sep 2021
2533 mec.gov.br 8.33/10 - - Aug 2021
2534 smp.ne.jp 8.33/10 - - Nov 2021
2535 thinkprogress.org 8.33/10 5 51 Feb 2022
2536 lanl.gov 8.33/10 77,900 11,850 May 2023
2537 aei.org 8.33/10 222,500 111,749 Sep 2021
2538 llnl.gov 8.33/10 142,600 19,322 Feb 2023
2539 istat.it 8.33/10 2,000 1,933 Apr 2022
2540 diplo.de 8.33/10 - - Sep 2021
2541 sierraclub.org 8.33/10 175,600 65,349 Sep 2021
2542 austintexas.gov 8.33/10 957,300 205,652 Sep 2021
2543 satofull.jp 8.33/10 55 98 Jul 2023
2544 defense.gouv.fr 8.33/10 4,300 2,897 Sep 2021
2545 nga.gov 8.33/10 727,500 111,907 Sep 2021
2546 deakin.edu.au 8.33/10 8,100 7,868 Sep 2021
2547 diamond.jp 8.33/10 180 349 Sep 2021
2548 cas.cz 8.33/10 - - Aug 2021
2549 uw.edu.pl 8.33/10 240 261 Aug 2021
2550 zhaw.ch 8.33/10 990 1,175 Sep 2021
2551 com.se 8.33/10 - - Sep 2021
2552 yuque.com 8.32/10 1 2 Sep 2021
2553 geledes.org.br 8.32/10 190 720 Sep 2021
2554 ionos.es 8.32/10 320 1,054 Aug 2021
2555 circleci.com 8.32/10 17,600 6,136 Sep 2021
2556 impact.com 8.32/10 48,800 9,808 Sep 2021
2557 canny.io 8.32/10 5,600 1,716 Sep 2021
2558 hachyderm.io 8.32/10 460 1,044 Dec 2022
2559 forbes.ru 8.32/10 150 568 Aug 2021
2560 animoto.com 8.32/10 60,100 34,430 Sep 2021
2561 francetv.fr 8.32/10 - - Aug 2022
2562 clickcease.com 8.32/10 700 1,020 Sep 2021
2563 typo3.org 8.32/10 290 235 Sep 2021
2564 snap.com 8.32/10 148,900 3,854 Sep 2021
2565 bandsintown.com 8.32/10 509,500 274,589 Aug 2021
2566 spiceworks.com 8.32/10 110,900 44,616 Sep 2021
2567 goodtherapy.org 8.32/10 68,100 40,028 Sep 2021
2568 kmu.gov.ua 8.32/10 3,200 1,902 Sep 2021
2569 mohfw.gov.in 8.32/10 2,200 3,214 Sep 2021
2570 vrbo.com 8.32/10 1,941,600 827,195 Sep 2021
2571 tidal.com 8.32/10 210,700 185,789 Aug 2021
2572 state.or.us 8.32/10 - - Sep 2021
2573 teket.jp 8.32/10 15 37 Sep 2021
2574 bitdefender.com 8.32/10 205,200 57,745 Sep 2021
2575 getyourguide.com 8.32/10 996,400 530,825 Sep 2021
2576 opengroup.org 8.32/10 11,700 4,100 Sep 2021
2577 mendeley.com 8.32/10 98,600 26,654 Sep 2021
2578 ifrs.org 8.32/10 42,300 12,504 Sep 2021
2579 expedia.com 8.32/10 30,193,800 3,806,351 Sep 2021
2580 thenationalnews.com 8.32/10 71,300 98,870 Sep 2021
2581 financialexpress.com 8.32/10 96,400 131,639 Sep 2021
2582 naacp.org 8.32/10 347,600 50,426 Nov 2025
2583 delta.com 8.32/10 5,656,500 708,360 Aug 2021
2584 caixa.gov.br 8.32/10 42,900 8,619 Aug 2021
2585 auspost.com.au 8.32/10 54,400 35,425 Sep 2021
2586 dguv.de 8.32/10 980 656 Sep 2021
2587 financialpost.com 8.32/10 101,100 101,246 Sep 2021
2588 huji.ac.il 8.32/10 - 10 Sep 2021
2589 mlive.com 8.32/10 1,005,400 553,872 Aug 2021
2590 tampabay.com 8.32/10 269,900 207,009 Aug 2021
2591 inquirer.com 8.32/10 335,600 196,136 Sep 2021
2592 aao.org 8.32/10 1,118,500 190,007 Mar 2022
2593 discovery.com 8.32/10 383,900 51,652 Sep 2021
2594 unipi.it 8.32/10 1,500 1,950 Aug 2021
2595 nea.org 8.32/10 227,600 57,324 Sep 2021
2596 golem.de 8.32/10 2,400 5,433 Sep 2021
2597 sciencealert.com 8.32/10 369,100 136,107 Sep 2023
2598 vam.ac.uk 8.32/10 310,200 59,187 Sep 2021
2599 sebrae.com.br 8.32/10 1,800 3,151 Aug 2021
2600 city.nagoya.jp 8.32/10 5 68 Jun 2022

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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