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
10501 zapay.fr 1.60/10 - - Jun 2020
10502 farmhousefabrics.com 1.60/10 - - Dec 2020
10503 voileblanche.com 1.60/10 - - Jan 2019
10504 membercare.nl 1.60/10 - - Nov 2023
10505 biedermann-rottweil.de 1.60/10 - - Apr 2023
10506 zaun-experten.de 1.60/10 - - Jan 2019
10507 biohofkepos.de 1.60/10 - - Sep 2024
10508 promodels.eu 1.60/10 - - Sep 2020
10509 agf-foto.it 1.60/10 - 1 Jan 2019
10510 tridor.at 1.60/10 - - Oct 2021
10511 websterztech.com 1.60/10 - - May 2023
10512 epoxia.com 1.60/10 - - Jan 2019
10513 nadorwestmed.ma 1.60/10 - - Jan 2025
10514 mr-mrs-green.com 1.60/10 - - Aug 2022
10515 arolabear.fi 1.60/10 - - Aug 2022
10516 hippodrome-chateaubriant.fr 1.60/10 - - Nov 2021
10517 mobiup.ro 1.60/10 - - Jan 2019
10518 hp-hasegawa.or.jp 1.60/10 - - May 2023
10519 tsuda-science.jp 1.60/10 - - Aug 2022
10520 agric.co.jp 1.60/10 - - Sep 2025
10521 harmony-rainbow.jp 1.60/10 - - Mar 2026
10522 hl-tourism.com 1.60/10 - - Apr 2019
10523 xn--waldgaststtte-bahnhof-kottenforst-p1c.de 1.60/10 - - Sep 2020
10524 gasthof-krenn.at 1.60/10 - - Oct 2021
10525 schwarzwaldstube-tennenbronn.de 1.60/10 - - Oct 2021
10526 familyveterinaryclinic.com 1.60/10 - - Sep 2020
10527 cmvl.org 1.60/10 - - Aug 2022
10528 vegaaniravitsemus.fi 1.60/10 - - Feb 2019
10529 zariff.com.br 1.60/10 - - Sep 2019
10530 ferutec.ch 1.60/10 - - Mar 2021
10531 stsrdvisi.ac.id 1.60/10 - - Oct 2023
10532 schule-holderbach.ch 1.60/10 - - Oct 2020
10533 baerliundschwaenli.ch 1.60/10 - 2 Dec 2020
10534 neliobiedermann.ch 1.60/10 - - Sep 2025
10535 obeckorouhev.cz 1.60/10 - - May 2019
10536 tokai-foods.co.jp 1.60/10 - - Aug 2022
10537 koyama-clinic.jp 1.60/10 - - Feb 2019
10538 swissbuy24.pl 1.59/10 - - Nov 2023
10539 taionhd.co.jp 1.59/10 - - Jan 2025
10540 loeffler-moebel.de 1.59/10 - - Jul 2022
10541 arboristskola.se 1.59/10 - - Jun 2020
10542 premiumkeystore.com 1.59/10 - - Feb 2020
10543 sejourner-en-picardie.com 1.59/10 - - Aug 2022
10544 getacore.com 1.59/10 - - Dec 2020
10545 kapco.com 1.59/10 - - May 2021
10546 nordmann-mv.de 1.59/10 - - Apr 2025
10547 kpzwaagen.de 1.59/10 - - Sep 2021
10548 fuchswirt.de 1.59/10 - - Sep 2020
10549 trufit.eu 1.59/10 - - Jan 2019
10550 beachkit.com.au 1.59/10 2 38 Jan 2019
10551 cloqq.com 1.59/10 9 7 May 2020
10552 murphybank.com 1.59/10 - - Oct 2024
10553 hiwheel.com 1.59/10 - - Jan 2019
10554 temashop.se 1.59/10 - - Jan 2019
10555 pictureyourhome.net 1.59/10 - - Jun 2020
10556 kalajoenkesateatteri.fi 1.59/10 - - Sep 2021
10557 kultur-bad-kohlgrub.de 1.59/10 - - Aug 2025
10558 kunstmeile-kiel.de 1.59/10 - - Oct 2024
10559 newromepress.com 1.59/10 - - Mar 2025
10560 kra2.de 1.59/10 - - Oct 2022
10561 netfolio.hu 1.59/10 - - Jan 2019
10562 togetherwethrivetexas.org 1.59/10 - - Apr 2023
10563 grote-vakantiehuizen.com 1.59/10 - - Jan 2019
10564 hojonet.com 1.59/10 - - Aug 2022
10565 newwashbank.com 1.59/10 - - Oct 2024
10566 ifiske.ax 1.59/10 - - Aug 2022
10567 leadmusic.com 1.59/10 - - Feb 2019
10568 mzyachts.ru 1.59/10 - - Jul 2020
10569 chokyuhukushi.jp 1.59/10 - - Sep 2022
10570 timeoutnz.org 1.59/10 - - Nov 2022
10571 deckma-gmbh.de 1.59/10 - - Aug 2022
10572 franz-ferdinand-huette.at 1.59/10 - - Oct 2025
10573 thuonggiado.vn 1.59/10 - - Oct 2021
10574 bus-chemin-compostelle.com 1.59/10 - 2 May 2019
10575 lockhartmatterdermatology.com 1.59/10 - - Aug 2022
10576 roma.es 1.59/10 - - Jul 2019
10577 schulenbichelsee.ch 1.59/10 - - Dec 2021
10578 beachin.ch 1.59/10 - - Dec 2021
10579 cibumic.dk 1.59/10 - 1 Jan 2019
10580 pembertonlibrary.ca 1.59/10 - - Mar 2023
10581 gasthaus-weber.de 1.59/10 - - Aug 2022
10582 auto-und-modell.de 1.59/10 - 5 Apr 2019
10583 werbellinseetriathlon.de 1.59/10 - - Jan 2022
10584 schultheatertexte.de 1.59/10 - - Aug 2022
10585 ponnistus.fi 1.59/10 - - Apr 2019
10586 sukofamily.org 1.59/10 - - Jan 2019
10587 yachiyohonten.jp 1.59/10 - - Jan 2021
10588 ve-1.jp 1.59/10 - - Jan 2019
10589 sherco-scorpajapan.jp 1.59/10 - - Apr 2025
10590 oov.jp 1.59/10 - - Nov 2022
10591 sanwa-iron.co.jp 1.59/10 - - Nov 2022
10592 nicerentacar.jp 1.59/10 - - Jun 2020
10593 segelclub-fischen.de 1.59/10 - - Jul 2024
10594 fbgy.de 1.59/10 - - Aug 2022
10595 wonkeedonkeerichardburbidge.co.uk 1.59/10 - - Sep 2016
10596 reusetek.com 1.59/10 - - Aug 2018
10597 feestwinkel-oisterwijk.nl 1.59/10 - - Apr 2019
10598 echoaudio.nl 1.59/10 - - Aug 2022
10599 camperplaatsemmeloord.nl 1.59/10 - - Aug 2022
10600 pre-tec.nl 1.59/10 - - Nov 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).

Compare Prototype

Related JavaScript frameworks

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018