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 51,977 Prototype sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 13,806
Germany 12,443
United Kingdom 6,523
India 6,084
France 6,076
Japan 5,759
Netherlands 5,533
Spain 5,465

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
8101 karojinjya.jp 2.01/10 - - Mar 2022
8102 stikesrspadgs.ac.id 2.01/10 - - Nov 2021
8103 revival.tv 2.01/10 - - Jan 2023
8104 xn--stldeli-6wa.ch 2.01/10 - - Oct 2023
8105 nekocafe-monta.jp 2.01/10 - - Dec 2021
8106 nura.biz 2.00/10 - - Aug 2018
8107 payingsocialmediajobs.com 2.00/10 - - Jul 2020
8108 startinglineproducts.com 2.00/10 - - Jan 2019
8109 gourmetdash.com 2.00/10 - - Aug 2022
8110 sunnide.com 2.00/10 - - Jan 2019
8111 windbeutel.de 2.00/10 - - Jan 2019
8112 bettsmetalsales.com 2.00/10 92 426 Jan 2019
8113 machine-a-coudre.fr 2.00/10 - - Jan 2019
8114 bohnenkamp.kz 2.00/10 2 3 Jun 2022
8115 experienceguelph.ca 2.00/10 - - Nov 2020
8116 communitybankdelaware.com 2.00/10 - - Nov 2024
8117 matw.de 2.00/10 - - Jan 2019
8118 berrimapatchwork.com.au 2.00/10 3 34 Jun 2020
8119 lapismuseum.com 2.00/10 - - Jul 2022
8120 hohenlohe-aktiv-tours.de 2.00/10 - - Jul 2019
8121 flyerpara.de 2.00/10 - - May 2019
8122 strelcha.bg 2.00/10 - - Jul 2019
8123 keventajat.fi 2.00/10 - - Oct 2022
8124 prieuredepommiers.fr 2.00/10 - - Apr 2023
8125 personenschiffahrt-bamberg.de 2.00/10 - - Jul 2020
8126 hakwaidhofen-ybbs.ac.at 2.00/10 - - Jan 2021
8127 emporioberaldin.com.br 2.00/10 - - Jul 2019
8128 fotodotti.it 2.00/10 - - Jan 2019
8129 theehuys-anserdennen.nl 2.00/10 - - Apr 2023
8130 taoda.co.jp 2.00/10 - - Jan 2021
8131 streamlineproducts.com.au 2.00/10 - - Feb 2019
8132 landhotel-gustav.de 2.00/10 - - Aug 2022
8133 basba.de 2.00/10 1 22 Aug 2018
8134 fischeradventures.ch 2.00/10 - - Feb 2019
8135 treesbyjake.com 2.00/10 - - Apr 2026
8136 morichu.co.jp 2.00/10 - - Aug 2022
8137 provivatis.ch 2.00/10 - - Dec 2022
8138 choucas.ch 2.00/10 - - Oct 2020
8139 tamacc.co.jp 2.00/10 - - Jul 2021
8140 pit-orc.com 1.99/10 - - Nov 2022
8141 sandomierz.net 1.99/10 - - Jan 2019
8142 steelhome.com 1.99/10 - - Jan 2025
8143 tollekarten.de 1.99/10 - - Jan 2019
8144 vitalco.com 1.99/10 - - Jan 2019
8145 legacychurch.com 1.99/10 - - Oct 2022
8146 kim-cartoon.com 1.99/10 - - Apr 2023
8147 funntastic.de 1.99/10 - - Jun 2024
8148 deliciousseeds.com 1.99/10 - - Feb 2018
8149 ig-bssw.org 1.99/10 - - Apr 2019
8150 adeo.cloud 1.99/10 - - Jul 2026
8151 dnepro.net 1.99/10 - - Aug 2018
8152 partstown.co.uk 1.99/10 - - Aug 2023
8153 bsz-nord.de 1.99/10 - - Aug 2023
8154 hausbergturm.de 1.99/10 - - May 2023
8155 euroko.sk 1.99/10 - - May 2020
8156 euroko.ro 1.99/10 - - Apr 2023
8157 rock-regeneration.co.uk 1.99/10 - - May 2022
8158 unbl.ac.id 1.99/10 - - Dec 2022
8159 homoeosana.ch 1.99/10 - - Feb 2019
8160 engetron.com.br 1.99/10 - - Dec 2025
8161 kyotomotorclub.co.jp 1.99/10 - - Apr 2019
8162 dalejrazem.pl 1.99/10 - - Jan 2019
8163 bohnenkamp.pl 1.99/10 - - Apr 2020
8164 salon-flora.jp 1.99/10 - - Mar 2024
8165 jeeperstore.com 1.99/10 - - Jan 2019
8166 schallenbergclassic.ch 1.99/10 - - Nov 2021
8167 birrer-bau.ch 1.99/10 - - Oct 2023
8168 nagase-s.co.jp 1.99/10 - - Sep 2022
8169 kgfinancial.co.kr 1.98/10 - - Sep 2026
8170 virtualllantas.com 1.98/10 - - Aug 2018
8171 deco-uniforms.com 1.98/10 - - Oct 2022
8172 it-nunweiler.de 1.98/10 - - Jan 2026
8173 worldagentdirect.com 1.98/10 - - May 2017
8174 menonthemove.com 1.98/10 - - Apr 2019
8175 osconnects.com 1.98/10 - - Feb 2020
8176 scan123.com 1.98/10 - - May 2023
8177 barcosnews.es 1.98/10 4 95 Dec 2023
8178 primeclass.io 1.98/10 - - Jun 2021
8179 ezoil.com 1.98/10 - - Jan 2019
8180 feedping.net 1.98/10 - - Apr 2020
8181 tanzschuhe.de 1.98/10 - - Jan 2019
8182 metro-marketplace.eu 1.98/10 - - Jan 2023
8183 ainfoinc.com 1.98/10 210 330 May 2020
8184 autobas.se 1.98/10 2 2 Jan 2019
8185 yuboto-telephony.gr 1.98/10 - - Dec 2025
8186 kotochawan.com 1.98/10 - - Jan 2019
8187 rihter.si 1.98/10 - - Jan 2019
8188 mokoma.com 1.98/10 - - Jan 2019
8189 skinmds.com 1.98/10 - - Mar 2023
8190 oer4pacific.org 1.98/10 - - Sep 2022
8191 kanto-housing.co.jp 1.98/10 - - May 2019
8192 infoflotforum.ru 1.98/10 - - Jun 2016
8193 raumanakku.fi 1.98/10 - - Sep 2022
8194 taubenhof-cadenberge.de 1.98/10 - - Jun 2022
8195 reggae.es 1.98/10 - - Oct 2016
8196 spreng-architekten.ch 1.98/10 - - Apr 2025
8197 modeltreinstore.nl 1.98/10 - - Jan 2019
8198 oosterdriessen.nl 1.98/10 - - Apr 2019
8199 anfray.fr 1.98/10 2 4 Apr 2020
8200 biontex.com 1.97/10 7 90 Feb 2020

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).

Compare Prototype

Related JavaScript frameworks

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018