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 51,977 Prototype sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 13,806
Germany 12,443
United Kingdom 6,523
India 6,084
France 6,076
Japan 5,759
Netherlands 5,533
Spain 5,465

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
7601 alfa-direkt.de 2.18/10 - 11 Jan 2019
7602 murdimages.com 2.18/10 - - Jan 2019
7603 luchs-bw.de 2.18/10 - - Feb 2019
7604 abc.pt 2.18/10 - - Nov 2023
7605 jovenesnucleares.org 2.18/10 - - Aug 2022
7606 gadgetscuina.com 2.18/10 - - Jan 2016
7607 zampler.de 2.18/10 - - Feb 2020
7608 politanisamarinda.ac.id 2.18/10 - - Apr 2023
7609 sekmaettmi.ch 2.18/10 - - Feb 2026
7610 starehracky.cz 2.18/10 - - Feb 2019
7611 p4b.ch 2.18/10 - - Dec 2020
7612 strandbadmerligen.ch 2.18/10 - - Oct 2020
7613 syouren.or.jp 2.18/10 - - Dec 2021
7614 camping-grassi.ch 2.18/10 - - Jun 2026
7615 fassbeiz.ch 2.18/10 - - Mar 2025
7616 sooma.pt 2.17/10 - - Nov 2022
7617 cote-chasse.com 2.17/10 - - Jan 2019
7618 muzejsselija.lv 2.17/10 - - Aug 2022
7619 talathiinmaharashtra.in 2.17/10 - - Jan 2019
7620 polmaker.com 2.17/10 - - Aug 2022
7621 unifapce.edu.br 2.17/10 - - Jun 2025
7622 escora-dessous.de 2.17/10 - - Jan 2019
7623 philipp-lahm-sommercamp.de 2.17/10 - - Aug 2022
7624 toyama-takken.com 2.17/10 - - May 2023
7625 aperainst.com 2.17/10 7,000 880 Jan 2019
7626 raisacacciatore.fi 2.17/10 - - Feb 2019
7627 tsv-beuren.de 2.17/10 - - Apr 2023
7628 swoca.net 2.17/10 - - May 2025
7629 hrwijs.be 2.17/10 - - Feb 2026
7630 kmp.com 2.17/10 - - Jun 2020
7631 truenatural.com 2.17/10 - - Aug 2018
7632 effets-speciaux.info 2.17/10 - - Jan 2019
7633 nuroa.com.ec 2.17/10 - - Jan 2019
7634 upload.az 2.17/10 - - May 2017
7635 historia-hamburg.de 2.17/10 - - Jun 2016
7636 toysgarden.nl 2.17/10 - - Jan 2019
7637 phel.ch 2.17/10 - - Jan 2021
7638 mijnwoningzoeken.nl 2.17/10 - - Aug 2018
7639 ezelshoeve.nl 2.17/10 - - Dec 2021
7640 dlftx.org 2.17/10 - - Jan 2019
7641 shimanuki-clinic.jp 2.17/10 - - Jan 2019
7642 museum-krumbach.at 2.17/10 - - Jun 2022
7643 schule-opfikon.ch 2.17/10 - - May 2022
7644 barcis.fvg.it 2.17/10 - 4 Feb 2019
7645 chuo-ds.co.jp 2.17/10 - - Apr 2020
7646 cakle.cz 2.17/10 - - Sep 2021
7647 campingoverbetuwe.nl 2.17/10 - 1 Jul 2019
7648 oso.ac.id 2.17/10 - - Dec 2024
7649 positiveimagelive.com 2.16/10 - - Apr 2019
7650 deeniyat.com 2.16/10 - - Feb 2020
7651 motomotors.eu 2.16/10 - - Jan 2019
7652 sandbag-support.com 2.16/10 - - Jan 2023
7653 nrkv.info 2.16/10 - - May 2020
7654 artunlimited.com 2.16/10 - 1 Mar 2016
7655 echomaster.com 2.16/10 - - Apr 2019
7656 bulmaps.bg 2.16/10 41 20 Jan 2019
7657 lalunapetcare.com.au 2.16/10 - - Jan 2023
7658 bebac.at 2.16/10 12 58 Apr 2019
7659 meinmetzger.de 2.16/10 - - Jun 2018
7660 thefaceshopthailand.com 2.16/10 - - Jan 2019
7661 fototeca-gilardi.com 2.16/10 - - Jul 2020
7662 psi.com.tw 2.16/10 - - Feb 2025
7663 portail-uimm.fr 2.16/10 - - May 2020
7664 shirtalaminute.nl 2.16/10 - - Oct 2026
7665 moorhouses.co.uk 2.16/10 - - Apr 2023
7666 regionalbahn.hu 2.16/10 - - Jan 2019
7667 hoteltime.cz 2.16/10 - - Apr 2025
7668 neochim.bg 2.16/10 - - Jul 2019
7669 hama-univ.edu.sy 2.16/10 - - Aug 2026
7670 accordzeam.org 2.16/10 - - Aug 2022
7671 eniacom.com 2.16/10 - - Apr 2026
7672 beat-sport.ch 2.16/10 - 1 Oct 2022
7673 destion.nl 2.16/10 - - Feb 2026
7674 mercure-tagungs-und-landhotel-krefeld.de 2.16/10 - - Aug 2022
7675 humbert-droz.fr 2.16/10 - - Jun 2026
7676 groupalia.it 2.16/10 - - Apr 2022
7677 shop.nc 2.15/10 - - Jan 2019
7678 mtb-guide-eifel.de 2.15/10 - - Sep 2020
7679 hanlim.com 2.15/10 - - May 2023
7680 yachtdestinations.org 2.15/10 - - Oct 2021
7681 yar-genealogy.ru 2.15/10 - - Aug 2018
7682 clayrtons.com 2.15/10 - - Aug 2022
7683 brentwood.church 2.15/10 3,600 609 Feb 2023
7684 oui.technology 2.15/10 - - Apr 2019
7685 kronkorken-fuer-therapiehunde.de 2.15/10 - - Oct 2021
7686 replikahodinky.io 2.15/10 - - Dec 2025
7687 stadtwerke-werdau.de 2.15/10 - - Apr 2023
7688 stadt-hirschberg-saale.de 2.15/10 - - Jan 2022
7689 whynot.jp 2.15/10 - - Dec 2021
7690 badgerordnance.com 2.15/10 2,600 721 Jan 2019
7691 prpl.ca 2.15/10 - - Jul 2020
7692 mairie-collias.fr 2.15/10 - - Aug 2022
7693 mepra-store.nl 2.15/10 - - Jan 2019
7694 celestron.cz 2.15/10 - - Dec 2022
7695 hvezdlice.cz 2.15/10 - - Aug 2022
7696 mimitu-cc.jp 2.15/10 - - Feb 2023
7697 teamcity.com 2.14/10 - - Dec 2025
7698 thinkpro.net 2.14/10 - - Jun 2020
7699 dnsuser.de 2.14/10 - - Aug 2025
7700 truck-sim.club 2.14/10 - - Jun 2018

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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