Websites Powered by Prototype

168,470 websites tracked using Prototype (JavaScript frameworks) · www.prototypejs.org

Prototype is a JavaScript framework for building interactive web applications. Its official site is prototypejs.org. PoweredBy tracks the websites that use Prototype across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript frameworks ecosystem.

Usage trend

Domains observed using Prototype in each month's HTTP Archive crawl, Apr 2018 to Oct 2026 · peak 75,529 in May 2019. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 50,339 Prototype sites with Chrome UX data, p75 values, Oct 2026.

Top countries

United States 13,438
Germany 12,070
United Kingdom 6,350
India 5,915
France 5,844
Japan 5,667
Spain 5,357
Netherlands 5,289

Sites using Prototype by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Education 0.40% 251
Government 0.31% 29
Industrial and manufacturing 0.29% 15
Arts and entertainment 0.17% 86
Retail 0.15% 542
Non-profit and religious 0.14% 14
Pets and animals 0.13% 4
Finance and insurance 0.10% 21
Travel and hospitality 0.06% 53
Automotive 0.06% 50
News and media 0.06% 29
Sports and fitness 0.06% 12

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

Top sites by authority

9+ 5% · 20 of 372 sites
8+ 4% · 345 of 7,677 sites
7+ 2% · 970 of 45,712 sites
6+ 1% · 1,563 of 110,136 sites
5+ <1% · 2,327 of 246,751 sites

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

Websites using Prototype

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
10701 cpgear.com 1.57/10 920 1,370 Jan 2019
10702 leiputrija.com 1.57/10 - - Sep 2020
10703 husse.hu 1.57/10 - - Nov 2021
10704 shariaportfolio.com 1.57/10 - - Sep 2026
10705 emeraldm3d.com 1.57/10 - - Jan 2019
10706 superolie.dk 1.57/10 - - Sep 2026
10707 boelsche-berlin.de 1.57/10 - - Feb 2024
10708 moseltalschule.de 1.57/10 - - Jan 2019
10709 cloudsfactory.net 1.57/10 840 882 Jan 2019
10710 panorama-einbeck.de 1.57/10 - - Jan 2024
10711 cafekeese.de 1.57/10 - - Sep 2020
10712 tierschutzverein-schwaan.de 1.57/10 - - Jan 2025
10713 greenheart.at 1.57/10 - - Aug 2022
10714 game-news.co.uk 1.57/10 - - Dec 2022
10715 mietery.fi 1.57/10 - - Mar 2021
10716 getfit2sport.be 1.57/10 - - Jan 2025
10717 coregases.ca 1.57/10 - 2 Jul 2026
10718 geyersbergerhof.de 1.57/10 - - May 2019
10719 infoguadiato.com 1.57/10 - - Jan 2019
10720 bawcs.org.au 1.57/10 - 4 Jun 2020
10721 crinitzberg.de 1.57/10 - - Mar 2023
10722 trebra-ms.de 1.57/10 - - Apr 2019
10723 elmofo.com.au 1.57/10 - - May 2019
10724 murtalerhof.at 1.57/10 - - Oct 2020
10725 cocorolife.vn 1.57/10 - 2 Jul 2022
10726 powellvalleybank.com 1.57/10 - - Sep 2024
10727 mrbenretroclothing.com 1.57/10 - - Aug 2022
10728 skyway.es 1.57/10 - - Aug 2021
10729 wuosisatamarkkinat.fi 1.57/10 - - Oct 2021
10730 taillens.ch 1.57/10 - - Aug 2022
10731 aleksandrinke.si 1.57/10 - - Aug 2022
10732 restaurantrj.nl 1.57/10 - - Oct 2021
10733 bernardusparochie.nl 1.57/10 - 1 Feb 2019
10734 restaurangmyra.se 1.57/10 - - Feb 2024
10735 mexicofrancia.org 1.57/10 - - Jul 2020
10736 alt-calw.de 1.57/10 - - Feb 2019
10737 zoemmm.com 1.57/10 - - Feb 2019
10738 gemeinde-stapel.de 1.57/10 - - Oct 2020
10739 maclarens.de 1.57/10 - - Oct 2020
10740 weingut-albert.at 1.57/10 - - Sep 2021
10741 inthergroup.de 1.57/10 - - Jul 2026
10742 lakecomoboat.eu 1.57/10 - - Jul 2021
10743 eskale-design.fr 1.57/10 - - Dec 2022
10744 lotn.jp 1.57/10 - - Oct 2020
10745 diacryston.co.jp 1.57/10 - - Sep 2022
10746 ogatagomi-amagasaki.jp 1.57/10 - - May 2024
10747 wettersteinalm.de 1.57/10 - - Sep 2021
10748 k1-duesseldorf.de 1.57/10 - - Apr 2019
10749 brauerei-krug.de 1.57/10 - - Oct 2022
10750 landhaus-waldfrieden.de 1.57/10 - - Feb 2020
10751 bino.pl 1.57/10 - 1 Jan 2019
10752 westendtheaterterschelling.nl 1.57/10 - - Jun 2024
10753 atvdeuithof.nl 1.57/10 - 2 Sep 2023
10754 bandenvoorscooters.nl 1.57/10 - 7 Jan 2019
10755 anisan.ch 1.57/10 - - Apr 2024
10756 stikesbcm.ac.id 1.57/10 - - Aug 2022
10757 specmo.cz 1.57/10 - - Dec 2020
10758 peps-couleurs.fr 1.57/10 - - Dec 2020
10759 comfortandfit.com.au 1.57/10 12 31 Apr 2019
10760 petromatco.com 1.56/10 - - Nov 2021
10761 ortho-kehl.de 1.56/10 - - Apr 2020
10762 emploibateau.com 1.56/10 - - Nov 2021
10763 die-fraenkische-schweiz.com 1.56/10 - - Apr 2020
10764 raue-shop.de 1.56/10 - - Jan 2019
10765 natur.no 1.56/10 - - Apr 2019
10766 blokshop.nl 1.56/10 - 1 Jan 2019
10767 piezus.ru 1.56/10 - - Jan 2019
10768 parasoles.es 1.56/10 - - Jul 2020
10769 tuli.hr 1.56/10 - - May 2019
10770 e-laboratoria.pl 1.56/10 - - Jan 2019
10771 healthyoptionsbuffalo.com 1.56/10 - - Mar 2020
10772 whatimplantisthat.com 1.56/10 - - Sep 2019
10773 wrightwoodca.com 1.56/10 - - Feb 2020
10774 meteora-hamburg.de 1.56/10 - - Feb 2022
10775 soosanind.co.kr 1.56/10 - - Sep 2020
10776 barrowuponsoarheritage.org.uk 1.56/10 - - Aug 2022
10777 wikiderm.de 1.56/10 - - Feb 2019
10778 goagwest.com 1.56/10 - - Apr 2020
10779 protank.com 1.56/10 - - Jan 2019
10780 newholland-biso.eu 1.56/10 - - Feb 2020
10781 restaurant-fiedler.de 1.56/10 - - Jul 2019
10782 kitfor.co.uk 1.56/10 - - Aug 2022
10783 kvk-electro.com.ua 1.56/10 - - Apr 2019
10784 seppalasleddogs.com 1.56/10 - - Jun 2024
10785 bach-strasbourg.com 1.56/10 - 3 Oct 2021
10786 gyertyagyujtas.hu 1.56/10 - - Jan 2019
10787 sarkanen.fi 1.56/10 - - May 2019
10788 cottony.sg 1.56/10 45 16 Jan 2020
10789 retrofootball.it 1.56/10 - - Jan 2019
10790 ganzheitliche-frauenheilkunde-freiburg.de 1.56/10 - - Oct 2022
10791 yado-asunaro.com 1.56/10 - - Dec 2020
10792 vital-elektromobile.de 1.56/10 - - Sep 2022
10793 wingsupply.com 1.56/10 - - Feb 2017
10794 jupeb.edu.ng 1.56/10 - - Aug 2025
10795 gartenland-ooe.at 1.56/10 - - Apr 2023
10796 liotecnica.com.br 1.56/10 - - Aug 2022
10797 brewart.com 1.56/10 1,100 266 Jan 2019
10798 moedaseco.com.br 1.56/10 - - May 2024
10799 sicry.fi 1.56/10 - - Sep 2022
10800 tanpopo-kodomo-clinic.jp 1.56/10 - - Jan 2019

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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