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
10901 tierschutzverein-rendsburg.de 1.55/10 - - Jan 2019
10902 elbe-camping.de 1.55/10 - - Jun 2023
10903 tsv-unna.de 1.55/10 - - Nov 2022
10904 leipzig-bleibt-friedlich.org 1.55/10 - - Oct 2026
10905 solomonplus.com.ua 1.55/10 - - Jan 2019
10906 shimbashikarasumoriuranai.com 1.55/10 - - Jan 2019
10907 cincojotas.us 1.55/10 4,500 122 Jan 2019
10908 advancedphysicaltherapy.com 1.55/10 120 245 Jul 2025
10909 termoservice63.ru 1.55/10 - - Oct 2026
10910 schule-thierachern.ch 1.55/10 - - Feb 2022
10911 begaegnig.ch 1.55/10 - - Sep 2022
10912 fireonline.se 1.55/10 - - Aug 2022
10913 tramp4.pl 1.55/10 - - Jan 2019
10914 mundodospassaros.com.br 1.55/10 - - Jan 2019
10915 weinkontor-sinzing.de 1.55/10 - - Oct 2020
10916 montezuma.co.us 1.55/10 - - Sep 2022
10917 der-eppendorfer.de 1.55/10 - - Aug 2022
10918 estacaodosgraos.com.br 1.55/10 - - Aug 2018
10919 divertoys.com.br 1.55/10 - - Feb 2025
10920 bootsservice-rick.de 1.55/10 - - Aug 2022
10921 roadstop-essen.de 1.55/10 - - Dec 2019
10922 frankenalb-camping.de 1.55/10 - - Aug 2022
10923 herbsthaeuschen.de 1.55/10 - - Jan 2019
10924 black-forest-ultra-bike.de 1.55/10 - - Aug 2022
10925 ristorantecogola.it 1.55/10 - - Oct 2020
10926 castelloditaormina.it 1.55/10 5 3 Mar 2024
10927 bld.cz 1.55/10 - 3 Jan 2019
10928 littlecopenhagen.fi 1.55/10 - - Jan 2019
10929 marsafe.com.au 1.55/10 - - Jul 2022
10930 buysunglasses.is 1.55/10 4 24 May 2023
10931 woods-corp.co.jp 1.55/10 - - Aug 2022
10932 hikawa-lib.jp 1.55/10 - - Sep 2026
10933 kamiryo.jp 1.55/10 - - Sep 2020
10934 peugeot-klubas.lt 1.55/10 - - Jan 2019
10935 oshima-sc.jp 1.55/10 - - Dec 2022
10936 pastobras.com.br 1.55/10 - - Jul 2021
10937 jeanbergerwijn.nl 1.55/10 - - Jul 2020
10938 wohnschule-dentenberg.ch 1.55/10 - - Jun 2025
10939 schuhhaus-emch.ch 1.55/10 - - Sep 2020
10940 hirschen-flawil-egg.ch 1.55/10 - - Sep 2020
10941 lacollineauxoiseaux.ch 1.55/10 - - Oct 2020
10942 x-delivery.org 1.54/10 - - Jan 2023
10943 az-boutique.com 1.54/10 1,100 893 Jan 2019
10944 infoman.pl 1.54/10 - - Aug 2022
10945 pacisoft.com 1.54/10 - - Jan 2019
10946 irlannincobyhdistys.fi 1.54/10 - - May 2020
10947 vanhanraumankirjakauppa.fi 1.54/10 - - Sep 2022
10948 nulighting.com.au 1.54/10 - - Jan 2019
10949 fashion-queen.eu 1.54/10 - - Mar 2023
10950 berdsk.ru 1.54/10 - - Jul 2024
10951 desafiovegetariano.com 1.54/10 - - Apr 2019
10952 jhc.com 1.54/10 - - Apr 2019
10953 palanquee.com 1.54/10 - - Dec 2016
10954 koutairen.com 1.54/10 - - Jan 2019
10955 2contact.com 1.54/10 - - Apr 2025
10956 numazu-gurume.net 1.54/10 - - Feb 2019
10957 edwardrutherfurd.com 1.54/10 - - Feb 2019
10958 morinaga-dessert.jp 1.54/10 - - Aug 2022
10959 geniusstrand.de 1.54/10 - - Jan 2016
10960 boxxco.co.uk 1.54/10 210 400 Jan 2021
10961 abba-tribute-noble-composition.com 1.54/10 - - Aug 2022
10962 jbl-caraudio.com.au 1.54/10 - - May 2022
10963 eisenbahnwelt.com 1.54/10 - - Aug 2022
10964 lederzentrum.ch 1.54/10 - - Jul 2019
10965 chanmr.com 1.54/10 - - Aug 2026
10966 thefederaltheatre.com 1.54/10 - - Jul 2025
10967 1st-step.org 1.54/10 - - May 2026
10968 bassan.com 1.54/10 2 30 Aug 2018
10969 sev-soemmerda.de 1.54/10 - - Apr 2023
10970 gekshirt.nl 1.54/10 - - Feb 2019
10971 hundeschule-bello.de 1.54/10 - - Sep 2020
10972 montessori-rohrdorf.de 1.54/10 - - May 2019
10973 bohnenkamp.ro 1.54/10 - - Jan 2023
10974 rosetti.co.uk 1.54/10 - - Apr 2019
10975 laubenhof.at 1.54/10 - - Sep 2020
10976 au-bec-fin.com 1.54/10 - 4 Jun 2020
10977 securitybk.com 1.54/10 - - Jun 2025
10978 impsport.com 1.54/10 - - Sep 2020
10979 ridgeriding.com 1.54/10 - - Jul 2020
10980 helikon-tex.us 1.54/10 - - Feb 2020
10981 hammehafen.de 1.54/10 - - Aug 2022
10982 poema.ro 1.54/10 - - Aug 2016
10983 burdorf-landmaschinen.de 1.54/10 - - May 2019
10984 edelices.it 1.54/10 - - Apr 2019
10985 weingut-bruecke-ohl.de 1.54/10 - - Oct 2021
10986 alip.pt 1.54/10 - - May 2020
10987 4foulees.ch 1.54/10 - - Jul 2024
10988 konzeptwyler.ch 1.54/10 - - Sep 2022
10989 vogelpflegestation.ch 1.54/10 - - Jul 2019
10990 puurvandewall.nl 1.54/10 - - Nov 2022
10991 mispo.ee 1.54/10 - - Jan 2019
10992 tendadostapetes.com.br 1.54/10 - - Jan 2019
10993 unisep.edu.br 1.54/10 - - Jan 2024
10994 jerome-kassel.de 1.54/10 - - Jan 2016
10995 brandmarken-jena.de 1.54/10 - - Apr 2020
10996 mannheimer-onkologie-praxis.de 1.54/10 - - Sep 2020
10997 naturerlebnisbad-lauenstein.de 1.54/10 - - Jul 2023
10998 schirmundco.de 1.54/10 - - Jan 2021
10999 sandboxmadrid.es 1.54/10 - - Feb 2026
11000 mjj.or.jp 1.54/10 - - Jan 2021

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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