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
11701 makiko-doso.jp 1.46/10 - - Jun 2024
11702 suruga-k.jp 1.46/10 - - Jul 2021
11703 akiruno-film.jp 1.46/10 - - Dec 2024
11704 pastoralverbund-am-revierpark.de 1.46/10 - - Feb 2019
11705 gamberorosso-ristorante.de 1.46/10 - - Aug 2022
11706 baeder-rastede.de 1.46/10 - - Dec 2021
11707 akzentmoebel-unger.de 1.46/10 1 1 Feb 2020
11708 fahrraeder-hecken.de 1.46/10 - - May 2022
11709 zeitlose-mediterrane-schoenheit.de 1.46/10 - - Oct 2021
11710 murripatrizia.it 1.46/10 - - Aug 2016
11711 weinstube-goldfuss.at 1.46/10 - - Feb 2019
11712 laguaridadeloso.es 1.46/10 - - Feb 2024
11713 hardcoreluv.com 1.46/10 - - May 2019
11714 krealo.es 1.46/10 - - Jan 2019
11715 schweizersilberkaninchenklub.ch 1.46/10 - - Jan 2025
11716 emmentaler-alpabfahrt.ch 1.46/10 - - Oct 2023
11717 entsorgunghorgen.ch 1.46/10 - - Feb 2023
11718 elfenaupraxis.ch 1.46/10 - - Mar 2023
11719 feuerwehr-wald.ch 1.46/10 - - Sep 2023
11720 jungfraupraxis.ch 1.46/10 - - Feb 2022
11721 dlugosz.katowice.pl 1.46/10 - - Apr 2019
11722 jerzykionline.pl 1.46/10 - - Aug 2022
11723 tusoft.ru 1.45/10 - - May 2026
11724 beks-systems.com 1.45/10 17 3 Apr 2025
11725 a10-equipment.com 1.45/10 7 52 Apr 2022
11726 legops.com 1.45/10 - - Feb 2023
11727 ausgewaehlt.com 1.45/10 - 2 Mar 2021
11728 ibd-hund.de 1.45/10 - - Jul 2020
11729 sterlingelectric.com 1.45/10 - - Sep 2026
11730 rheingold-zug.eu 1.45/10 - - Nov 2025
11731 crates.co 1.45/10 41 10 Aug 2022
11732 legion-media.com 1.45/10 - - Mar 2025
11733 bbplanet.com 1.45/10 22 202 Oct 2020
11734 leminar.net 1.45/10 - - Sep 2026
11735 smokeworks.org 1.45/10 - - Oct 2026
11736 waterbeddiscount.info 1.45/10 - - Jun 2020
11737 koeln-flittard.de 1.45/10 - - Aug 2022
11738 nbe-shop.dk 1.45/10 - - Jan 2019
11739 ixylon.de 1.45/10 - - Aug 2022
11740 brendlberg.de 1.45/10 - - Sep 2020
11741 kvgartenfreunde-mg.de 1.45/10 - - Mar 2024
11742 auszeit-bauwagencamp.de 1.45/10 - 1 Jun 2023
11743 pangea-bildungszentrum.de 1.45/10 - - Feb 2022
11744 xn--kipp-bckerei-lcb.de 1.45/10 - - May 2021
11745 tamigo.no 1.45/10 - - Mar 2023
11746 gt247.com 1.45/10 - - Jun 2020
11747 zeitronix.com 1.45/10 - - Jan 2019
11748 regalareunastella.org 1.45/10 - - Jan 2019
11749 boschautopartes.mx 1.45/10 59 140 Dec 2021
11750 enkelikartano.fi 1.45/10 - - May 2019
11751 galerie-yoshii.com 1.45/10 - - Dec 2022
11752 pagaja.de 1.45/10 - - Sep 2020
11753 wheelspecialists.com 1.45/10 - - Jan 2019
11754 bruchschule.de 1.45/10 - - Oct 2024
11755 twilightcafeandbar.com 1.45/10 - - Jun 2023
11756 fdt-horeis.de 1.45/10 - - Aug 2026
11757 biermanufaktur-langguth.de 1.45/10 - - Mar 2021
11758 xn--tierfreunde-schwabmnchen-etc.de 1.45/10 - - Jun 2020
11759 zos-zielobjektsuche.de 1.45/10 - - Nov 2021
11760 burgliebenfels.at 1.45/10 - 1 Oct 2021
11761 iqumore.com 1.45/10 - - Feb 2019
11762 kayaknapoli.com 1.45/10 - - Jul 2019
11763 farjestadtaxi.se 1.45/10 - - Jan 2024
11764 brassbrands.co.il 1.45/10 - - Jul 2026
11765 sud-ouest.fr 1.45/10 - - Jul 2025
11766 minguldsmed.dk 1.45/10 - - Jan 2019
11767 ausilivisivi.it 1.45/10 - 3 Jan 2019
11768 tudecora.com 1.45/10 - - Jan 2019
11769 sattler-bedding.de 1.45/10 - - May 2022
11770 realschule-cuxhaven.de 1.45/10 - - May 2020
11771 hid.it 1.45/10 - - Sep 2020
11772 kita-verbund.de 1.45/10 - - May 2019
11773 vanamsteldiamant.nl 1.45/10 - - Jan 2019
11774 laperledemariejo.com 1.45/10 - - Oct 2020
11775 hammer-basketball.de 1.45/10 - - May 2020
11776 baumschule-brenninger.de 1.45/10 1 1 Sep 2022
11777 03g49.de 1.45/10 - - Jul 2024
11778 kijkopdrank.nl 1.45/10 - - Dec 2020
11779 burg-schoenburg.de 1.45/10 - 2 Oct 2020
11780 meura.de 1.45/10 - - Sep 2022
11781 innocam.nl 1.45/10 - - Jan 2019
11782 erclassics.pl 1.45/10 - - May 2019
11783 covenantchristianacademy.org 1.45/10 540 154 Mar 2020
11784 alpengartenrannach.at 1.45/10 - - May 2022
11785 oswietleniemarzen.pl 1.45/10 - - Aug 2022
11786 buretaphysio.co.nz 1.45/10 9 50 Jul 2020
11787 wishbird.com.mx 1.45/10 - - Jan 2016
11788 ammanleipa.fi 1.45/10 - - Feb 2019
11789 paataloseura.fi 1.45/10 - - Jul 2024
11790 kuy.fi 1.45/10 - - Apr 2019
11791 macohs.edu 1.45/10 - - Jun 2023
11792 vibrantvictoria.ca 1.45/10 - - Aug 2018
11793 cdpaliva.cz 1.45/10 - 1 Sep 2020
11794 hirose-kk.co.jp 1.45/10 - - Aug 2022
11795 sasanoyu.jp 1.45/10 - - May 2019
11796 fuchucar.jp 1.45/10 - - Oct 2022
11797 murata-clinic-houjukai.jp 1.45/10 - - Jan 2019
11798 hoaki.jp 1.45/10 - - Jun 2020
11799 erclassics.jp 1.45/10 - - Jul 2021
11800 parkland.dk 1.45/10 - - Aug 2022

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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