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
11801 nakayama-foundation.jp 1.45/10 - - Nov 2022
11802 moto-eng.jp 1.45/10 - - Jul 2020
11803 ritsumeikan-hockey.jp 1.45/10 - - Feb 2019
11804 sound-s.jp 1.45/10 - - Oct 2022
11805 osaka-asahiholding.co.jp 1.45/10 - - Aug 2022
11806 ryokushun.jp 1.45/10 - - Feb 2019
11807 panamd.co.jp 1.45/10 - - Aug 2022
11808 derkleineautoladen.de 1.45/10 - - Sep 2020
11809 dreamranch.de 1.45/10 - - Apr 2020
11810 mental-shinwa.jp 1.45/10 - - Feb 2020
11811 hotel-zum-lindenweiler.de 1.45/10 - - Feb 2020
11812 sugarworld.gr 1.45/10 - - Aug 2019
11813 beinker.de 1.45/10 - - Jun 2022
11814 aufbruch-ev.de 1.45/10 - - Mar 2021
11815 seriemer-muehle.de 1.45/10 - - Aug 2022
11816 burrishof.de 1.45/10 - - Jan 2019
11817 exquisiteweine.de 1.45/10 - - Jul 2020
11818 campus-erlebniswelt.de 1.45/10 - - May 2023
11819 schlossparkhotel-sallgast.de 1.45/10 - - Apr 2023
11820 istitutogiovannipaolo2.it 1.45/10 - - Jan 2019
11821 flohmarkt-junkies.de 1.45/10 - - Jun 2024
11822 ctm-academy.org 1.45/10 87 186 Dec 2022
11823 muehlberg-spreewald.de 1.45/10 - - Dec 2021
11824 album-mmt.it 1.45/10 - 3 Jan 2019
11825 hotel-willmeroth-windeck.de 1.45/10 - - Aug 2022
11826 aromatika.it 1.45/10 - - Mar 2022
11827 ledpro.it 1.45/10 - - Aug 2018
11828 oceanic-saunas.eu 1.45/10 - - Jan 2019
11829 lushan.fr 1.45/10 - - Jan 2019
11830 burgersandbeersinc.co.nz 1.45/10 1 5 Feb 2019
11831 schweizer-tiertafel.ch 1.45/10 - - Sep 2022
11832 alteamipueblo.es 1.45/10 - - Oct 2020
11833 hairandbodysluis.nl 1.45/10 - - Dec 2021
11834 hushlab.pl 1.45/10 - - Feb 2020
11835 badkamer-outlet.nl 1.45/10 - - Jan 2019
11836 hobbykunstrijssen.nl 1.45/10 - - Nov 2024
11837 bg27.com.br 1.45/10 2 10 May 2019
11838 taglab.com.br 1.45/10 - - Feb 2017
11839 ofazendao.com.br 1.45/10 - - Jun 2021
11840 spravkadrovika.ru 1.44/10 - - Jun 2021
11841 my-hag.de 1.44/10 - - Mar 2021
11842 zil131.net 1.44/10 - - Aug 2018
11843 solerpalau.com.tr 1.44/10 - - Jan 2024
11844 beiser.be 1.44/10 - - Aug 2020
11845 tastegreece.com 1.44/10 - - Aug 2023
11846 apollogateopeners.com 1.44/10 4,100 1,139 Jan 2019
11847 pointsofdistribution.org 1.44/10 - - Nov 2025
11848 pilotnav.com 1.44/10 - - Jan 2019
11849 brillen-galerie.de 1.44/10 - - Mar 2023
11850 bondi-shop.de 1.44/10 8 5 Jan 2019
11851 totalprotex.nl 1.44/10 - - Jan 2019
11852 gorge.nl 1.44/10 - - Jun 2020
11853 agkelektroshop.nl 1.44/10 - - Jan 2019
11854 ntgpk.com 1.44/10 - - Apr 2025
11855 innebandykungen.com 1.44/10 - - Jan 2019
11856 teplice-teplitz.net 1.44/10 - - Sep 2021
11857 armagnac-sempe.fr 1.44/10 2 5 Oct 2022
11858 peaktrading.com 1.44/10 - - Jul 2021
11859 seikosan.com 1.44/10 - - Nov 2021
11860 revedemontagne.fr 1.44/10 - - Aug 2022
11861 immodev.ca 1.44/10 - - Apr 2022
11862 degustibusitaliae.es 1.44/10 - - Aug 2022
11863 supremacy1914.pl 1.44/10 - - Jun 2016
11864 qindustries.com 1.44/10 - - Jul 2019
11865 us2-fuji.com 1.44/10 - - Aug 2022
11866 newomics.com 1.44/10 - - Aug 2022
11867 motorradtraining-mental.de 1.44/10 - - Feb 2025
11868 hot-menue.de 1.44/10 - - Aug 2024
11869 kolpinghaus-olpe.de 1.44/10 - - Feb 2020
11870 xn--cts-mrkte-z2a.de 1.44/10 - - Aug 2022
11871 gs-haarzopf.de 1.44/10 - - May 2020
11872 dropsite.com.au 1.44/10 - - May 2020
11873 costumepartyworld.com 1.44/10 850 2,101 Oct 2017
11874 coulissesmedias.com 1.44/10 12 16 Feb 2020
11875 norwegianadventurecompany.com 1.44/10 - - Mar 2020
11876 igelhilfe-hinwil.ch 1.44/10 - - Sep 2024
11877 manntools.com 1.44/10 - - Mar 2025
11878 donglongtea.com 1.44/10 - - Apr 2025
11879 restaurant-bruecke.com 1.44/10 - - Jul 2020
11880 migrantworkersrights.net 1.44/10 - - Jul 2022
11881 sv-cochin-brahma-zwerg-brahma.de 1.44/10 - - Sep 2020
11882 polesinesport.it 1.44/10 - - Mar 2020
11883 escaping.be 1.44/10 - - Sep 2021
11884 edelmann-paulig.de 1.44/10 - - Jun 2020
11885 chuango.de 1.44/10 2 18 Jan 2023
11886 kefiralia.es 1.44/10 - - Jun 2020
11887 wirtshaus-zur-emerenz.de 1.44/10 - - Oct 2020
11888 everread.nl 1.44/10 - - Aug 2023
11889 historisches-hofheim.de 1.44/10 - - May 2024
11890 erclassics.es 1.44/10 - - Apr 2020
11891 cmwerkt.nl 1.44/10 - 1 Sep 2022
11892 manatwork.hu 1.44/10 - - Jan 2019
11893 covattinhhoa.vn 1.44/10 - 1 Aug 2026
11894 niedersachsenhaus.at 1.44/10 - - Oct 2020
11895 travers.com.mx 1.44/10 - - Sep 2023
11896 poltekpelsumbar.ac.id 1.44/10 - - Oct 2023
11897 reidosanimais.com.br 1.44/10 - - Apr 2019
11898 poltekkesadisutjipto.ac.id 1.44/10 - - Feb 2025
11899 hostomsky.cz 1.44/10 - - Sep 2022
11900 nakatani-1.co.jp 1.44/10 - - Feb 2024

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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