Websites Powered by Polyfill

736,411 websites tracked using Polyfill (JavaScript libraries) · polyfill.io

Polyfill is a JavaScript library used to add functionality to web pages. Its official site is polyfill.io. PoweredBy tracks the websites that use Polyfill 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 Polyfill in each month's HTTP Archive crawl, Aug 2018 to Aug 2026 · peak 551,475 in Feb 2024. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.8 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 65,390 Polyfill sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 23,700
United Kingdom 9,959
India 9,406
Canada 8,463
Brazil 8,307
Germany 7,802
France 7,528
Spain 6,155

Sites using Polyfill by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Government 0.13% 10
Finance and insurance 0.07% 10
Real estate 0.07% 45
Industrial and manufacturing 0.05% 2
Blogs and publishing 0.04% 10
Education 0.04% 20
Professional services 0.04% 15
Beauty and wellness 0.03% 8
News and media 0.03% 13
Games 0.03% 1
Non-profit and religious 0.03% 2
Retail 0.03% 71

Share of each industry's websites with a detected stack that use Polyfill; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 4% · 14 of 372 sites
8+ <1% · 76 of 7,677 sites
7+ <1% · 166 of 45,712 sites
6+ <1% · 275 of 110,136 sites
5+ <1% · 398 of 246,751 sites

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

Websites using Polyfill

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
2401 special-materials.com 1.54/10 - - Sep 2022
2402 maxi-shopping.ru 1.54/10 - - Aug 2018
2403 medforumspb.ru 1.54/10 - - Jun 2023
2404 bauverein-gv.de 1.54/10 - - Dec 2020
2405 mova.bzh 1.54/10 - - Jul 2025
2406 caringa.com.au 1.54/10 - - Oct 2023
2407 myaltasfera.it 1.54/10 - - Feb 2020
2408 studypie.co 1.54/10 - - Jan 2019
2409 merlibus.it 1.54/10 - - Sep 2020
2410 manroyale.com 1.54/10 - - Dec 2018
2411 houseofomeed.ca 1.54/10 - - Nov 2022
2412 gannetstives.co.uk 1.54/10 - - Apr 2024
2413 australianagave.com.au 1.54/10 - 2 Sep 2022
2414 boomevents.nl 1.54/10 - - Jan 2021
2415 junglelabo.com 1.53/10 - - May 2022
2416 eklektika.ru 1.53/10 - - Feb 2020
2417 sgs-dental.com 1.53/10 - - Oct 2023
2418 kama.by 1.53/10 - - May 2021
2419 getsnap.link 1.53/10 - - Aug 2018
2420 row52.com 1.53/10 - - Nov 2018
2421 connectec.uk 1.53/10 - - Jan 2021
2422 zedko.sk 1.53/10 - - Dec 2025
2423 safesales.gr 1.53/10 - - May 2023
2424 aptuno.com 1.53/10 22 47 Feb 2021
2425 ortosano.com.ua 1.53/10 - - Dec 2020
2426 aqs.dz 1.53/10 1 1 May 2023
2427 feedut.org 1.53/10 - - May 2023
2428 bogensportzentrum.ch 1.53/10 - - Aug 2022
2429 pediaclinic.cr 1.53/10 - - Nov 2023
2430 vlconstrutora.com.br 1.53/10 - - Apr 2021
2431 mijnterrein.be 1.52/10 - - Jun 2021
2432 garavirtuale.it 1.52/10 - - Apr 2023
2433 ratoldusschule.de 1.52/10 - - Mar 2022
2434 blairestate.co.uk 1.52/10 - - Aug 2022
2435 partner-zpd.pl 1.52/10 - - Apr 2025
2436 playwildterra.com 1.52/10 - - Apr 2019
2437 hogs.live 1.52/10 - - Oct 2023
2438 zshu.sk 1.52/10 - - Jan 2019
2439 mypadelclub.nl 1.52/10 - - Aug 2022
2440 potinsdeparis.fr 1.52/10 - - Mar 2022
2441 daphne-coffee.jp 1.52/10 - - Feb 2023
2442 landtrust.co.jp 1.52/10 - - Jun 2021
2443 cafe-kinokaori.jp 1.52/10 - - Nov 2022
2444 courage.co.jp 1.52/10 - - Aug 2023
2445 s-suginoko.or.jp 1.52/10 - - Aug 2022
2446 liguepicardiedetir.com 1.51/10 - - Dec 2022
2447 gottsteincorporation.com 1.51/10 - - Sep 2022
2448 orack.no 1.51/10 - - Aug 2022
2449 earthfireartsstudio.com 1.51/10 - - Apr 2023
2450 mlsn.ru 1.51/10 - - Aug 2020
2451 astemobili.it 1.51/10 - - Apr 2023
2452 planetpadel.be 1.51/10 - - Feb 2022
2453 issee.co.uk 1.51/10 - - Jun 2021
2454 kgm-tech.com 1.51/10 - - May 2022
2455 clasf.mx 1.51/10 - - Aug 2018
2456 bioly.jp 1.51/10 - - May 2023
2457 uluru.bz 1.51/10 - - Mar 2022
2458 cedarsupply.com 1.51/10 - - Jun 2020
2459 hertrack.com 1.51/10 - - Jun 2024
2460 die-kaffeemacherei.de 1.51/10 - - Apr 2020
2461 tabushi-mishima.jp 1.51/10 - - Nov 2023
2462 duuers.com 1.50/10 - - Aug 2022
2463 rescara.com.tr 1.50/10 - - Sep 2025
2464 wxnyre.com 1.50/10 - - Apr 2019
2465 sogotec.com.tw 1.50/10 - - Feb 2023
2466 inebrya.it 1.50/10 - - Dec 2020
2467 pm-instrumentation.com 1.50/10 - - Mar 2020
2468 girodelveneto.com 1.50/10 - - Oct 2024
2469 samsungsdi.hu 1.50/10 - - Jan 2021
2470 api-k.com 1.50/10 - 4 May 2023
2471 kdfsi.com 1.50/10 - - Jun 2021
2472 scorpioco.com 1.50/10 - - Oct 2020
2473 sokolpisek.cz 1.50/10 - - Oct 2020
2474 4dflats.jp 1.50/10 - - Aug 2022
2475 zoodmall.com.lb 1.50/10 - - Jun 2021
2476 schlafoptimal-dresden.de 1.50/10 - - Oct 2023
2477 personalizzalo.it 1.50/10 - - Jan 2026
2478 stanley-ley.co.uk 1.50/10 - - Nov 2020
2479 sms-intermediair.nl 1.50/10 - - Jan 2019
2480 fantalucia.com 1.50/10 - - Jul 2022
2481 drseanmcmillan.com 1.49/10 - - Aug 2022
2482 dbi-cc.com 1.49/10 - - Aug 2022
2483 bccbenefitsolutions.com 1.49/10 340 352 Mar 2021
2484 gardenterracehotels.com 1.49/10 - - May 2025
2485 incomegroupins.com.sg 1.49/10 - - Jul 2019
2486 mercuriosistemi.it 1.49/10 - - Mar 2026
2487 hotel-oberland-neuhaus.de 1.49/10 - - Aug 2022
2488 hinodpt.vn 1.49/10 - - Sep 2020
2489 hishiiwa.com 1.49/10 - - Jul 2020
2490 hpd.com.br 1.49/10 - - Feb 2021
2491 schatz.jp 1.49/10 - - Jun 2024
2492 el-idea.jp 1.49/10 - - Aug 2022
2493 ebibo-dresden.de 1.49/10 - - Dec 2020
2494 aoki-keiiku.org 1.49/10 - - May 2025
2495 adao.fr 1.49/10 1 1 Dec 2023
2496 diskoffer.nl 1.49/10 - - Mar 2020
2497 popularpizza.ca 1.49/10 - - Jan 2019
2498 hayllo.ir 1.49/10 - - Mar 2023
2499 borderinc.co.jp 1.49/10 - - Jan 2021
2500 koggalabeachhotel.com 1.48/10 - - Feb 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) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

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