Websites Powered by Polyfill

732,526 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 Oct 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 64,171 Polyfill sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 23,184
United Kingdom 9,905
India 9,206
Canada 8,492
Brazil 8,172
Germany 7,634
France 7,536
Spain 6,398

Sites using Polyfill by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Government 0.12% 11
Real estate 0.06% 49
Finance and insurance 0.05% 10
Blogs and publishing 0.04% 12
News and media 0.03% 16
Professional services 0.03% 16
Beauty and wellness 0.03% 8
Education 0.03% 16
Travel and hospitality 0.02% 20
Arts and entertainment 0.02% 11
Industrial and manufacturing 0.02% 1
Retail 0.02% 63

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% · 66 of 7,677 sites
7+ <1% · 145 of 45,712 sites
6+ <1% · 237 of 110,136 sites
5+ <1% · 335 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
4101 szybkiflirt.com 0.29/10 - - Sep 2021
4102 beaconpropertieswaco.com 0.29/10 28 79 May 2025
4103 lasvegas-rentals.com 0.29/10 - - Oct 2024
4104 oracleprosolutions.com 0.29/10 - - Sep 2022
4105 rvapm.com 0.29/10 - - Sep 2025
4106 hotelcourseine.com 0.29/10 - - Aug 2022
4107 austrianstartups-summit.com 0.29/10 - - Aug 2022
4108 yamaishidohei.com 0.29/10 - - Aug 2022
4109 gohomely.com 0.29/10 - - Jun 2022
4110 kenko-kouen.com 0.29/10 - - Aug 2022
4111 blackleyandson.com 0.29/10 36 56 Sep 2020
4112 michaelkeil.com 0.29/10 - - Mar 2021
4113 elata06.com 0.29/10 - - Jul 2020
4114 bioxcell.com.cn 0.29/10 - - Apr 2026
4115 seabluffe.com 0.29/10 - - Sep 2020
4116 hotelrestelpi.com 0.29/10 - - Sep 2021
4117 seaquakefishing.com 0.29/10 - - Jun 2025
4118 devafashion-shop.com 0.29/10 - - Aug 2022
4119 stillservices.com 0.29/10 - - Jul 2025
4120 hotneedywomen.com 0.29/10 - - Nov 2021
4121 barzmanapp.com 0.29/10 16 1 Aug 2022
4122 poprostuflirt.com 0.29/10 - - Jul 2020
4123 khanteum.com 0.29/10 - - Jan 2021
4124 alu-profi.eu 0.29/10 - - Aug 2022
4125 vivatgroup.vn 0.29/10 - - May 2024
4126 eyesouleyewear.co.id 0.29/10 - - Feb 2023
4127 tokolelang.id 0.29/10 - - Aug 2024
4128 moveiscalcada.pt 0.29/10 - - Feb 2020
4129 zapos.vn 0.29/10 - - Jul 2021
4130 meclinic.net 0.28/10 - - Apr 2019
4131 nyaradzo.global 0.28/10 - - Aug 2022
4132 mrplant.no 0.28/10 - - Apr 2026
4133 myvisa.mx 0.28/10 - - Jul 2024
4134 mareli.rs 0.28/10 - - Feb 2022
4135 kakadotech.co.il 0.28/10 - - Aug 2022
4136 valeriostore.com 0.28/10 - - Dec 2020
4137 glowhabits.com 0.28/10 - - Apr 2021
4138 ecoaldeaespiral.com 0.28/10 - - Mar 2024
4139 americanmastermovers.com 0.28/10 - - Aug 2026
4140 khaochaobaan.com 0.28/10 - - Apr 2022
4141 marinatarrafal.com 0.28/10 - - Oct 2022
4142 tibenmotorsport.com 0.28/10 - - Aug 2021
4143 kentonhouse.com 0.28/10 - - Apr 2023
4144 yuki-shika-dc.com 0.28/10 - - May 2023
4145 appotacard.com 0.28/10 - 1 Feb 2020
4146 audoncamillo.com 0.28/10 - - Jul 2024
4147 armycadetswebstore.com 0.28/10 1 10 Nov 2023
4148 zverca.com 0.28/10 - - Jul 2021
4149 flirtgleich.com 0.28/10 - - Feb 2026
4150 versautesverlangen.com 0.28/10 - - Sep 2020
4151 santateresaallakalsa.com 0.28/10 - - Jul 2019
4152 espmfg.com 0.28/10 - - May 2025
4153 vinestreetsalon.com 0.28/10 - - Aug 2022
4154 cadalbrass.com 0.28/10 - - Jun 2022
4155 stellargroupinc.com 0.28/10 - - Feb 2024
4156 thelosolife.com 0.28/10 - - Mar 2024
4157 giuliadalmas.com 0.28/10 - - Aug 2026
4158 prixdupneu.com 0.28/10 - - Mar 2024
4159 simpleosce.com 0.28/10 - - Apr 2019
4160 ochabakajisan.com 0.28/10 - - Sep 2022
4161 tcg-logistics.com 0.28/10 - - Nov 2024
4162 perfecttouchelaine.com 0.28/10 - - Sep 2024
4163 sakae-gs.com 0.28/10 - - Oct 2020
4164 taxiguiadeisora.com 0.28/10 - - Sep 2024
4165 diplomageeks.com 0.28/10 - - Apr 2023
4166 sanpedrodealcantaraarenas.com 0.28/10 - - Dec 2022
4167 pinebreezebaguio.com 0.28/10 - - Jun 2020
4168 johnwest.dk 0.28/10 - - Jun 2022
4169 prairieinnandsuitesholmen.com 0.28/10 - - Sep 2022
4170 shimmersoft.com 0.28/10 - - May 2023
4171 optunas.com 0.28/10 - - Jul 2024
4172 citysweeties.com 0.28/10 - - Dec 2020
4173 burhanihospital.com 0.28/10 - - Jul 2023
4174 kuzekagu.com 0.28/10 - - Aug 2022
4175 huffmanshayeblaw.com 0.28/10 - - Aug 2026
4176 tasteoftrelawny.com 0.28/10 - - Apr 2022
4177 cottagesattexarkana.com 0.28/10 - - Nov 2024
4178 gentlove.com 0.28/10 - - Nov 2023
4179 sinkkuseuraa.com 0.28/10 - - Apr 2020
4180 mikistitkunk.com 0.28/10 - - Nov 2023
4181 alumgostar.com 0.28/10 13 32 Feb 2025
4182 soseigawadori-seikei.com 0.28/10 - - Jan 2025
4183 pro-slovo.com 0.28/10 - - Oct 2026
4184 vinosdirectosdebodegas.com 0.28/10 - - Feb 2025
4185 senzaregole.com 0.28/10 - - Jul 2020
4186 kkuljaemkorean.com 0.28/10 - - Jun 2021
4187 whatsupscv.com 0.28/10 - - Dec 2022
4188 provocami.com 0.28/10 - - Jul 2019
4189 smokingbuddhaco.com 0.28/10 - - Oct 2021
4190 scootsandsounds.com 0.28/10 - - Jul 2022
4191 leinenlos-der-hundecoach.de 0.28/10 - - Jan 2021
4192 ballers-design.com 0.28/10 - - Aug 2022
4193 aseelwater.com 0.28/10 - - Aug 2022
4194 ikkujun.com 0.28/10 - - Feb 2022
4195 kajiyamachi-seikotsuin.com 0.28/10 - - Apr 2023
4196 okuzawa-dental.com 0.28/10 - - Sep 2023
4197 joes-repair.com 0.28/10 - - May 2025
4198 dent-maruyama.com 0.28/10 - - Aug 2022
4199 idol-pic.com 0.28/10 - - Feb 2022
4200 aoisushiandizakaya.com 0.28/10 1,300 66 Nov 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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