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
12001 praxishochdrei.ch 1.43/10 - - Aug 2022
12002 henessenmuehle.ch 1.43/10 - - Mar 2025
12003 visiocoaching.ch 1.43/10 - - Oct 2022
12004 priggo.nl 1.43/10 - - Jan 2019
12005 syncplm.com 1.42/10 - - Nov 2024
12006 eskillzlivesupport.com 1.42/10 - - Apr 2023
12007 fotbutikken.no 1.42/10 - - May 2023
12008 veterinardoma.ru 1.42/10 - - Jul 2024
12009 elektrik-master.ru 1.42/10 - - Jan 2019
12010 ws-montessori.at 1.42/10 - - Jul 2020
12011 restaurant365.net 1.42/10 - - Apr 2019
12012 asoyriidat.fi 1.42/10 - - Jun 2022
12013 ipharm.co.il 1.42/10 - - May 2019
12014 pgarmiantiche.com 1.42/10 - - May 2025
12015 motorverk.dk 1.42/10 - - Jul 2025
12016 sfzcham.de 1.42/10 - - Mar 2023
12017 transcriptcenter.com 1.42/10 - - Jul 2023
12018 hagenmuehle-willanzheim.de 1.42/10 - - May 2022
12019 varkaudenratsastuskeskus.eu 1.42/10 - - May 2019
12020 kinderleicht-geniessen.de 1.42/10 - - Jul 2021
12021 thienkimhome.com 1.42/10 - - Aug 2022
12022 intersign.com 1.42/10 - - Apr 2019
12023 pohkis.fi 1.42/10 - - May 2019
12024 sunbright-stay.com 1.42/10 - - Aug 2022
12025 aqua-pro.de 1.42/10 - - Feb 2022
12026 htsgroup.co.nz 1.42/10 - - Aug 2022
12027 harkatnegeri.ac.id 1.42/10 - - Jan 2026
12028 aveclunettesoleil.fr 1.42/10 1 54 Jan 2019
12029 sternkaufen.at 1.42/10 - - Jan 2019
12030 antarescatamarans.com 1.42/10 310 74 Sep 2026
12031 chemiphar.tv 1.42/10 - - Jan 2019
12032 silky-europe.it 1.42/10 - - Aug 2022
12033 smsl.co.nz 1.42/10 - - Apr 2019
12034 asplundh.co.nz 1.42/10 39 17 Aug 2022
12035 saea.org.br 1.42/10 - - Jun 2025
12036 musicnotesroom.com 1.42/10 - - Jul 2019
12037 drschlossberger.de 1.42/10 - - Jan 2019
12038 rakkyokan.com 1.42/10 - - Feb 2019
12039 chantre.com 1.42/10 2,300 1,202 Jan 2019
12040 altespfarrhaus.de 1.42/10 - - Aug 2022
12041 therapie-franke.de 1.42/10 - - Feb 2022
12042 rsplus-vulkaneifel.de 1.42/10 - - Apr 2020
12043 starkenburg-festival.de 1.42/10 - - Aug 2022
12044 ms-astor.de 1.42/10 - - Sep 2020
12045 homberg-und-brusius.de 1.42/10 - - Apr 2023
12046 toy-versand.de 1.42/10 - - Mar 2024
12047 uksignshop.co.uk 1.42/10 - - Jan 2019
12048 greengrasslake.com.tw 1.42/10 - - Jun 2023
12049 zemnivruty-krinner.cz 1.42/10 - - Apr 2020
12050 hps-bezirk-buelach.ch 1.42/10 - - Aug 2022
12051 stikespantirapih.ac.id 1.42/10 - - Aug 2022
12052 agy.ch 1.42/10 1 10 Jul 2019
12053 faran-cosmetic.com 1.42/10 - - May 2019
12054 e-sazanami.com 1.42/10 - - Aug 2022
12055 norjalainenmetsakissa.fi 1.42/10 - - Feb 2019
12056 naturalmedicine.ie 1.42/10 - - Apr 2020
12057 karstulankiva.fi 1.42/10 - - Jun 2023
12058 emolus.lt 1.42/10 - - Apr 2019
12059 dresslikeyou.com 1.42/10 - - Jan 2019
12060 dieupentale.fr 1.42/10 - - Jul 2020
12061 feedtrain.com 1.42/10 - - Sep 2022
12062 simbacement.co.tz 1.42/10 - - Oct 2026
12063 gemfrance.com 1.42/10 - - Jan 2019
12064 caw-e.de 1.42/10 - - Aug 2022
12065 hainzamsee.de 1.42/10 - - Jul 2020
12066 ledradiant.com 1.42/10 - - Feb 2020
12067 dezwaan-makkum.nl 1.42/10 - - Sep 2020
12068 ushiroyamasansou.com 1.42/10 - - Jan 2023
12069 tierheim-riesa.de 1.42/10 - - Nov 2024
12070 metzgerei-giesse.de 1.42/10 - - Feb 2020
12071 tsv-georgensgmuend.de 1.42/10 - - Oct 2026
12072 berggasthaus-jenzig.de 1.42/10 - - Apr 2020
12073 hotel-zum-schiffchen.de 1.42/10 - - Jul 2020
12074 jungacademie.nl 1.42/10 - - Aug 2022
12075 zur-zweere.de 1.42/10 - - Jun 2021
12076 playland.at 1.42/10 - - Jan 2019
12077 aktywnynadgarstek.pl 1.42/10 - 29 Aug 2018
12078 brand.co.in 1.42/10 2 6 Oct 2024
12079 gruposapiens.com.br 1.42/10 - - Feb 2020
12080 homefurnitureandpatio.com 1.42/10 - - Aug 2018
12081 valkoinenlanka.fi 1.42/10 - - Oct 2022
12082 tapahtumalaite.fi 1.42/10 - - Jul 2019
12083 hotelzebrak.cz 1.42/10 - - Sep 2022
12084 eigenji-clinic.jp 1.42/10 - - Dec 2021
12085 waei-iseshima.co.jp 1.42/10 - - May 2024
12086 pirteledviem.lt 1.42/10 - - Jul 2020
12087 toyostainless-kako.co.jp 1.42/10 - - Apr 2026
12088 craftart.co.jp 1.42/10 - - Aug 2022
12089 nagashimahp.or.jp 1.42/10 - - Dec 2021
12090 retrovizovice.cz 1.42/10 - - Apr 2019
12091 aozora-kids.jp 1.42/10 - - May 2019
12092 fbn-kyoto.co.jp 1.42/10 - - Apr 2023
12093 kanban-oac.or.jp 1.42/10 - - Aug 2022
12094 iliqchuan.ru 1.42/10 - - Feb 2019
12095 breitwein.de 1.42/10 - - Sep 2025
12096 npa.co.jp 1.42/10 - - Jan 2019
12097 customtshirtprintingonline.com.au 1.42/10 8 66 Dec 2020
12098 fahrschneller.de 1.42/10 - - Jun 2020
12099 escapeintime.de 1.42/10 - - Feb 2019
12100 nuvolanapoli.de 1.42/10 - - Oct 2023

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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