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
9801 nmbz.co.zw 1.69/10 - - Dec 2020
9802 zaam-wonen.nl 1.69/10 - - Jun 2020
9803 musikschule-einsiedeln.ch 1.69/10 - - Aug 2022
9804 oswueri.ch 1.69/10 - - Oct 2024
9805 eter.com.ar 1.69/10 - - Jan 2019
9806 dollsanddolls.com 1.69/10 - - Aug 2018
9807 kavka-bus.cz 1.69/10 - - Jan 2019
9808 dd-pdy.cz 1.69/10 - - May 2022
9809 seksswk.edu.hk 1.69/10 - - Jan 2021
9810 motoculturestjean.fr 1.69/10 - - Feb 2020
9811 frankreich-mobil-erleben.de 1.69/10 - - Jul 2019
9812 fruehlingsfest-hannover.de 1.69/10 - - Apr 2019
9813 gasthof-pension-schmid.de 1.69/10 - - Aug 2022
9814 lakeistenranta.fi 1.69/10 - - Jun 2023
9815 hotelcoppetrieste.it 1.69/10 - - Aug 2022
9816 perswazjawsprzedazy.pl 1.69/10 - - May 2019
9817 okasan-group.jp 1.69/10 - - Apr 2020
9818 uud.jp 1.69/10 - - Oct 2023
9819 veneficus.nl 1.69/10 - - Feb 2025
9820 bourret.fr 1.69/10 - - Feb 2020
9821 oenanthiqueconseil.fr 1.69/10 - - Jan 2022
9822 labyrint-trebic.cz 1.69/10 - - Feb 2019
9823 rebellion.es 1.69/10 - - Aug 2018
9824 hpswetzikon.ch 1.69/10 - - Feb 2023
9825 baeckerei-maerchy.ch 1.69/10 - - Aug 2025
9826 levitalis.ch 1.69/10 - - Sep 2026
9827 gaigai.jp 1.69/10 - - Apr 2019
9828 bierglutenvrij.nl 1.69/10 - - Jul 2021
9829 pasztorvolgyi.hu 1.68/10 - - Jan 2019
9830 shopyalehome.co.nz 1.68/10 - - Aug 2022
9831 dataprom.com 1.68/10 - - Jul 2022
9832 yamasa-suppon.com 1.68/10 - - Feb 2019
9833 agromarket.ru 1.68/10 - 4 Feb 2020
9834 vividcharts.com 1.68/10 - - Oct 2026
9835 pingpong.net 1.68/10 - - Aug 2018
9836 mykia.club 1.68/10 - - Dec 2021
9837 outlet-piscinas.com 1.68/10 - - Aug 2018
9838 atl-software.net 1.68/10 8 15 Jan 2024
9839 girotti.com 1.68/10 - - Aug 2022
9840 dynavena.com 1.68/10 - - Feb 2019
9841 dedacciai.com 1.68/10 - - Aug 2025
9842 real-fukushima.com 1.68/10 - - May 2019
9843 donordrives.com 1.68/10 - - Jan 2019
9844 triadtechnologies.com 1.68/10 - - Aug 2025
9845 icecreamclub.com 1.68/10 - - Aug 2022
9846 munchen.jp 1.68/10 - - Mar 2022
9847 wearitto.com.au 1.68/10 - - Apr 2019
9848 caframobrands.com 1.68/10 430 573 Feb 2020
9849 cafe-obergfell.de 1.68/10 - - May 2019
9850 veggiemaid.de 1.68/10 - - Jan 2021
9851 stadthotelsmutje.de 1.68/10 - - Sep 2020
9852 werbemittel.at 1.68/10 - - May 2019
9853 candas.fr 1.68/10 - - Jul 2024
9854 ilmailumuseot.fi 1.68/10 - - Apr 2020
9855 ecasacartii.ro 1.68/10 - - Jan 2019
9856 danskradio.dk 1.68/10 - - Jan 2019
9857 waterinc.com 1.68/10 - - Feb 2020
9858 jyderup.dk 1.68/10 - - Sep 2026
9859 st-matthaeus-duesseldorf.de 1.68/10 - - Nov 2021
9860 farmfoods.sk 1.68/10 - - Jun 2017
9861 lahtivesivehmaa.fi 1.68/10 - - Sep 2020
9862 mondedumacaron.fr 1.68/10 - - Feb 2019
9863 copas-systemes.fr 1.68/10 1 1 Feb 2025
9864 1110yeg.jp 1.68/10 - - Aug 2022
9865 opportunity.org.nz 1.68/10 - - Jan 2026
9866 kreativland.at 1.68/10 - - Mar 2020
9867 musikschule-johann-sebastian-bach.de 1.68/10 - - Oct 2024
9868 funnygames.co.uk 1.68/10 - - Jan 2016
9869 yourprint.in 1.68/10 - - Jun 2024
9870 vivimoruzzo.it 1.68/10 - - Jul 2019
9871 restaurantdefuke.nl 1.68/10 - - Jul 2019
9872 gprimavera.org.br 1.68/10 - - May 2019
9873 quartermaster.nl 1.68/10 - - Jan 2019
9874 gildedebevelanden.nl 1.68/10 - - Aug 2022
9875 hof-herrendingen.ch 1.68/10 - - Sep 2022
9876 lcrj.ch 1.68/10 - - Oct 2022
9877 schwingfest-wankdorf.ch 1.68/10 - - Jul 2025
9878 developimmo.fr 1.68/10 - - Nov 2022
9879 cyg.de 1.68/10 - - Jun 2024
9880 camping-haus-seeblick.de 1.68/10 - - Aug 2022
9881 verein-park-der-sinne.de 1.68/10 - - May 2023
9882 pizzacab.de 1.68/10 - - Sep 2026
9883 gastspielhaus-darmstadt.de 1.68/10 - - Jan 2026
9884 alathair.de 1.68/10 - - Jan 2019
9885 casamoralessevilla.es 1.68/10 82 5 Apr 2023
9886 senaat.co 1.68/10 - - Jan 2019
9887 aimwellbeing.com 1.68/10 2,500 688 Mar 2025
9888 carbon-ti.it 1.68/10 1 2 May 2019
9889 stiamak.ac.id 1.68/10 - - Aug 2022
9890 sodai-atsugi.jp 1.68/10 - - Mar 2023
9891 hanayama.co.jp 1.68/10 - - Jul 2019
9892 lieblings-eis.de 1.68/10 - - Nov 2021
9893 findes.org.br 1.68/10 - - Apr 2020
9894 dejongensvanhemmes.nl 1.68/10 - - Sep 2020
9895 meccanodirect.fr 1.68/10 - - Jan 2019
9896 restaurantzeebinkie.nl 1.68/10 - - Jul 2025
9897 lifefood.nl 1.68/10 - - Dec 2020
9898 gondolasontheswan.com.au 1.68/10 - - Apr 2019
9899 lufaz.ch 1.68/10 - - Aug 2022
9900 schweizer-immo.ch 1.68/10 - - Mar 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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