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
3201 jisc.ac.uk 8.24/10 640 647 Sep 2021
3202 slides.com 8.24/10 1,500 1,471 Sep 2021
3203 wayfair.com 8.24/10 3,333,900 1,614,840 Sep 2021
3204 wrike.com 8.24/10 136,900 38,861 Sep 2021
3205 domaincoasters.com 8.24/10 69 56 Sep 2021
3206 123rf.com 8.24/10 94,100 271,863 Nov 2022
3207 hotels.com 8.24/10 10,383,500 1,822,490 Sep 2021
3208 bayer.com 8.24/10 81,900 35,978 Aug 2021
3209 abema.tv 8.24/10 1,500 1,615 Aug 2021
3210 ifrc.org 8.24/10 38,500 12,266 Sep 2021
3211 edmunds.com 8.24/10 11,952,700 1,995,766 Sep 2021
3212 computerhistory.org 8.24/10 60,600 11,841 Aug 2022
3213 eventsair.com 8.24/10 760 1,045 Sep 2021
3214 deutschepost.de 8.24/10 16,500 7,679 Aug 2021
3215 collinsdictionary.com 8.24/10 27,981,900 2,946,468 Sep 2021
3216 precedenceresearch.com 8.24/10 6,600 14,231 Apr 2026
3217 pepperdine.edu 8.24/10 82,900 15,688 Sep 2021
3218 ag.gov.au 8.24/10 5,600 5,190 Aug 2022
3219 business-humanrights.org 8.24/10 76,300 16,768 Sep 2021
3220 pku.edu.cn 8.24/10 37 21 Oct 2021
3221 moneycontrol.com 8.24/10 561,200 294,165 Sep 2021
3222 costco.com 8.24/10 24,792,400 3,063,436 Aug 2021
3223 cadenaser.com 8.24/10 11,700 37,319 Sep 2021
3224 epo.org 8.24/10 25,300 8,775 Sep 2021
3225 croix-rouge.fr 8.24/10 830 769 Sep 2021
3226 nbcnewyork.com 8.24/10 643,600 266,664 Aug 2021
3227 aa.org 8.24/10 284,500 113,880 Sep 2021
3228 bp.com 8.24/10 1,607,700 39,699 Sep 2021
3229 beck.de 8.24/10 17 2 Nov 2022
3230 toronto.edu 8.24/10 1 6 Sep 2021
3231 ntu.edu.tw 8.24/10 1,500 817 Aug 2021
3232 bath.ac.uk 8.24/10 21,600 13,262 Sep 2021
3233 meity.gov.in 8.24/10 1,900 2,982 Apr 2023
3234 istruzione.it 8.24/10 1,500 514 Aug 2021
3235 houstonchronicle.com 8.24/10 557,200 381,699 Aug 2021
3236 healthdata.org 8.24/10 22,000 22,703 Sep 2021
3237 inps.it 8.24/10 3,600 3,743 Sep 2021
3238 publico.pt 8.24/10 3,900 10,022 Aug 2021
3239 umaryland.edu 8.24/10 115,200 30,285 Sep 2021
3240 treehugger.com 8.24/10 726,300 178,714 Sep 2021
3241 umbc.edu 8.24/10 70,000 13,948 Sep 2021
3242 bigthink.com 8.24/10 168,600 111,820 Aug 2021
3243 boredpanda.com 8.24/10 662,000 374,404 Sep 2021
3244 universal-music.co.jp 8.24/10 2,000 3,115 Sep 2021
3245 nme.com 8.24/10 723,500 429,785 Sep 2021
3246 msstate.edu 8.24/10 95,500 19,873 Sep 2021
3247 aau.dk 8.24/10 210 165 Aug 2021
3248 wwf.de 8.24/10 530 726 Sep 2021
3249 examiner.com 8.24/10 - - Dec 2021
3250 disney.co.jp 8.24/10 610 239 Sep 2021
3251 uni-jena.de 8.24/10 2,000 1,033 Sep 2021
3252 du.edu 8.24/10 99,500 41,585 Sep 2021
3253 mayoclinichealthsystem.org 8.24/10 1,189,400 290,603 Sep 2021
3254 uibk.ac.at 8.24/10 7,200 4,770 May 2022
3255 dcceew.gov.au 8.24/10 101,600 32,057 Sep 2022
3256 augsburger-allgemeine.de 8.24/10 4,200 7,142 Sep 2021
3257 gazeta.pl 8.24/10 380 383 Sep 2021
3258 mixi.jp 8.24/10 39 124 Sep 2021
3259 wayne.edu 8.24/10 157,600 24,727 Aug 2021
3260 unr.edu 8.24/10 324,200 99,987 Sep 2021
3261 labiennale.org 8.24/10 27,900 9,998 Sep 2021
3262 iss.it 8.24/10 430 270 Aug 2021
3263 migros.ch 8.24/10 1,900 4,229 Sep 2021
3264 pap.pl 8.24/10 2,000 3,013 Sep 2021
3265 tga.gov.au 8.24/10 83,300 60,806 Mar 2024
3266 kingcounty.gov 8.24/10 771,400 314,871 Sep 2021
3267 curtin.edu.au 8.24/10 8,500 7,713 Aug 2021
3268 polisen.se 8.24/10 1,500 1,581 Sep 2021
3269 gda.pl 8.24/10 - - Aug 2021
3270 hiroshima.lg.jp 8.24/10 - - Mar 2022
3271 kyoto.lg.jp 8.24/10 - - Sep 2021
3272 sub.jp 8.24/10 - - Sep 2021
3273 uned.es 8.24/10 2,000 3,725 Aug 2021
3274 expo2025.or.jp 8.24/10 31,200 2,692 Aug 2022
3275 unesp.br 8.24/10 - 2 Sep 2021
3276 uj.edu.pl 8.24/10 360 132 Aug 2021
3277 mbs.jp 8.24/10 180 164 Sep 2021
3278 centrepompidou.fr 8.24/10 31,800 6,253 Aug 2021
3279 e-enfance.org 8.23/10 13 58 Sep 2021
3280 indiamart.com 8.23/10 51,500 240,930 Sep 2021
3281 zj.gov.cn 8.23/10 6 10 Jun 2022
3282 kinopoisk.ru 8.23/10 113,700 69,404 Sep 2021
3283 gd.gov.cn 8.23/10 8 9 Aug 2021
3284 xcelenergy.com 8.23/10 59,700 5,626 Sep 2021
3285 eurid.eu 8.23/10 160 63 Aug 2021
3286 bolt.new 8.23/10 2,900 2,888 Feb 2025
3287 coachingfederation.org 8.23/10 38,400 12,300 Sep 2021
3288 wildberries.ru 8.23/10 3,000 8,217 Sep 2021
3289 spotapps.co 8.23/10 - - Sep 2021
3290 yubico.com 8.23/10 416,500 13,879 Sep 2021
3291 globalsign.com 8.23/10 8,000 3,575 Sep 2021
3292 cxl.com 8.23/10 22,900 9,713 Sep 2021
3293 xn--80aapampemcchfmo7a3c9ehj.xn--p1ai 8.23/10 - 17 Jan 2022
3294 isc.org 8.23/10 4,300 692 Sep 2021
3295 podium.com 8.23/10 34,500 270 Sep 2021
3296 hrmos.co 8.23/10 27 73 Sep 2021
3297 iol.pt 8.23/10 3,500 361 Aug 2021
3298 welcometothejungle.com 8.23/10 35,600 14,382 Sep 2021
3299 bybit.com 8.23/10 30,900 12,078 Sep 2021
3300 smu.edu.sg 8.23/10 3,700 1,696 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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