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
11901 hakushikai.jp 1.44/10 - - Dec 2022
11902 zennaka.or.jp 1.44/10 - - Feb 2019
11903 baecker-suepke.de 1.44/10 - - Apr 2019
11904 reitano.com.au 1.44/10 - - Aug 2022
11905 bernard-seiseralm.it 1.44/10 - - Aug 2022
11906 cycleclinic.de 1.44/10 - - Aug 2022
11907 elevateresidential.com.au 1.44/10 - - Oct 2022
11908 bbcfnc.org 1.44/10 430 316 Oct 2024
11909 briefumschlaegebestellen.at 1.44/10 - 3 Apr 2020
11910 abp-audio.fr 1.44/10 - - Jan 2022
11911 susanne-sahli.ch 1.44/10 - - Jul 2025
11912 stedtli-praxis.ch 1.44/10 - - Sep 2021
11913 ob-news.ch 1.44/10 - - Jul 2019
11914 badi-mittlereswynental.ch 1.44/10 - - May 2025
11915 schuleniederlenz.ch 1.44/10 - - Apr 2020
11916 ecovisions.ch 1.44/10 - - Jul 2019
11917 kaffeekatoen.nl 1.44/10 - - Aug 2022
11918 click4friends.nl 1.44/10 - - Jan 2019
11919 10hp.in 1.44/10 1 10 Sep 2024
11920 tavernechalet.nl 1.44/10 - - Oct 2024
11921 siberischsjamanisme.nl 1.44/10 - - Oct 2020
11922 spencercountybank.com 1.44/10 - - Dec 2024
11923 replicawatchsshop.cc 1.44/10 - - Aug 2022
11924 gleanapp.com 1.43/10 - - May 2026
11925 adventisthost.org 1.43/10 - - May 2023
11926 vanbeveren.com 1.43/10 - - Mar 2020
11927 raeucherhaus.com 1.43/10 - - Sep 2021
11928 bluedrop360.com 1.43/10 - - May 2023
11929 hyleegardens.com.hk 1.43/10 - - Sep 2022
11930 znakomstva.ru 1.43/10 - - Jan 2016
11931 flowersofbocaraton.com 1.43/10 - - Mar 2021
11932 holzpellet.com 1.43/10 - - Jul 2019
11933 littlerubberguys.com 1.43/10 - - Jan 2019
11934 hayonwyebooksellers.co.uk 1.43/10 - - Aug 2022
11935 sugarassociation.co.uk 1.43/10 - - Jul 2023
11936 rewoskin.cz 1.43/10 - - Aug 2025
11937 tertiarycourses.com.my 1.43/10 - - Jan 2019
11938 worldcdb.com 1.43/10 - - Jul 2018
11939 antik-vehrs.de 1.43/10 - - Mar 2023
11940 dietmartemps.com 1.43/10 - - Jul 2019
11941 gtifabrication.com 1.43/10 - - Jun 2023
11942 basementnz.com 1.43/10 - - Jan 2019
11943 switch-boardershop.de 1.43/10 - - Sep 2020
11944 sc-wernsdorf.de 1.43/10 - - Oct 2022
11945 havfiskeshop.nl 1.43/10 - - Jul 2022
11946 weiz-sozial.net 1.43/10 - - Oct 2024
11947 militarycenter.com.ua 1.43/10 - - Feb 2019
11948 nlop.com 1.43/10 - - Aug 2018
11949 supremacy1914.es 1.43/10 - - Jan 2016
11950 robertoricetti.it 1.43/10 - - Jan 2021
11951 solotop.fi 1.43/10 - - Jul 2022
11952 kawa-prt.com 1.43/10 - - Jul 2020
11953 ansazura.com 1.43/10 11 52 Jan 2022
11954 swrng.de 1.43/10 - - Jun 2025
11955 discoverysoftware.co.uk 1.43/10 - - Oct 2023
11956 dvorci.info 1.43/10 - - Apr 2019
11957 instamo.cz 1.43/10 - - Apr 2020
11958 berghof-danter.at 1.43/10 - - Sep 2020
11959 123consommables.com 1.43/10 16 115 Jan 2023
11960 landmaschinenimport.ch 1.43/10 - - Jan 2021
11961 tombesdelalune.com 1.43/10 - - Aug 2022
11962 italiakaikan.com 1.43/10 - - Jan 2021
11963 alplhuette.com 1.43/10 - - Jul 2019
11964 edelweiss-alagna.it 1.43/10 - - Sep 2022
11965 serial-cooker.com 1.43/10 - - Jan 2019
11966 spa-du-cabanon.be 1.43/10 - - Dec 2021
11967 moosalbtaler-camping.de 1.43/10 - - Aug 2022
11968 quarkeria.de 1.43/10 - - Sep 2020
11969 freiraum-wittstock.de 1.43/10 - - Sep 2022
11970 sandras-eifler-alpakas.de 1.43/10 - - May 2024
11971 westlandsolar.nl 1.43/10 - - Jan 2019
11972 glasstore.nl 1.43/10 - - Jan 2019
11973 psfmwerkt.nl 1.43/10 - - Jun 2023
11974 tdmx.eu 1.43/10 - - Oct 2022
11975 ecat.ro 1.43/10 - - Mar 2020
11976 aha-journals.org 1.43/10 - - Aug 2022
11977 aitos.org 1.43/10 - - Sep 2023
11978 illusionhouse.pl 1.43/10 - - Sep 2020
11979 craftboard.pl 1.43/10 - - May 2017
11980 joasia.com.pl 1.43/10 - - Jul 2019
11981 4x4team.com.pl 1.43/10 - - Jan 2019
11982 volvodealeraccessories.com 1.43/10 - - Jan 2019
11983 woodenspoonchicago.com 1.43/10 - - Jan 2019
11984 elamanluukku.fi 1.43/10 - - Apr 2020
11985 puistopaviljonki.fi 1.43/10 - - Feb 2019
11986 ws-kyoto.jp 1.43/10 - - Nov 2024
11987 nishikawabunkazaidan.or.jp 1.43/10 - - Apr 2023
11988 u-maruhara.co.jp 1.43/10 - - Feb 2024
11989 zeltplatz-kuhle-wampe.de 1.43/10 - - Jul 2020
11990 lindsrehab.com.au 1.43/10 - - Apr 2019
11991 rmwpa.com.au 1.43/10 - - Jul 2021
11992 laboum-leipzig.de 1.43/10 - - May 2020
11993 anticagardumo.it 1.43/10 - - Oct 2020
11994 cines.com.py 1.43/10 56 164 Jul 2017
11995 mbtu.us 1.43/10 - - Nov 2022
11996 playescaperoom.es 1.43/10 - - Feb 2020
11997 riitplatz.ch 1.43/10 - - May 2024
11998 politeknikyakpermas.ac.id 1.43/10 - - Mar 2022
11999 katzenhilfe-bern.ch 1.43/10 - - Jul 2021
12000 praxis-kuettigen.ch 1.43/10 - - Sep 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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