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
9401 nagomi-c.co.jp 1.75/10 - - Apr 2019
9402 s-s-hotel.jp 1.75/10 - - May 2022
9403 wandelwaaier.nl 1.75/10 - - May 2019
9404 woestewillemspeelnatuur.nl 1.75/10 - - Jul 2020
9405 annerturgi.ch 1.75/10 - - Jun 2023
9406 healthcaresigns.com 1.74/10 - - Aug 2022
9407 msfo-practice.ru 1.74/10 - - Jun 2021
9408 mhcampus.com 1.74/10 - - Jul 2024
9409 agoraplus.com 1.74/10 4 7 Jan 2023
9410 statesvillecc.com 1.74/10 - - Mar 2026
9411 eichendorffschule.net 1.74/10 - - Feb 2019
9412 japaninpystykorva.fi 1.74/10 - - Feb 2019
9413 cheapammo.com 1.74/10 450 432 Feb 2020
9414 ontbrekendestukjes.nl 1.74/10 - - Aug 2026
9415 simcosplay.com 1.74/10 - - Jan 2019
9416 princessyachtsamerica.com 1.74/10 - - Nov 2025
9417 batteryclerk.com 1.74/10 12,900 11,904 Jan 2023
9418 goonfleet.com 1.74/10 - - May 2017
9419 gasthof-fohlenweide.de 1.74/10 - - Sep 2020
9420 le-besson.com 1.74/10 - - Aug 2026
9421 darpo.nl 1.74/10 - - May 2019
9422 magyarvadasz.hu 1.74/10 - - Jan 2019
9423 officenext.nl 1.74/10 - - Dec 2024
9424 proterapi.dk 1.74/10 - - Oct 2022
9425 distinguisheddaughtersofpa.org 1.74/10 - - Dec 2022
9426 dresden.gold 1.74/10 - - Feb 2020
9427 mw-fahrzeugtechnik.de 1.74/10 - - Aug 2022
9428 lojaroster.com.br 1.74/10 - - Jan 2019
9429 sint-michielsbeweging.be 1.74/10 - - Oct 2022
9430 unsera.ac.id 1.74/10 - - Sep 2024
9431 menuiseriemateco.fr 1.74/10 - - Jan 2019
9432 retrofootball.fr 1.74/10 - - Jan 2019
9433 numazu-mitsubishi.co.jp 1.74/10 - - Aug 2022
9434 shyu.ac.kr 1.74/10 - - Nov 2022
9435 sagem-lagarde.com 1.74/10 - - May 2019
9436 silverbowflyshop.com 1.74/10 - - Jan 2019
9437 bihbank.com 1.74/10 960 591 Apr 2025
9438 doublejstables.com 1.74/10 - - Sep 2020
9439 harzclassixfestival.de 1.74/10 - - Oct 2024
9440 omerto.com 1.74/10 - - Sep 2020
9441 yoshiizumi.com 1.74/10 - - Jul 2021
9442 ribka74.ru 1.74/10 - - Feb 2020
9443 magnaniembalagens.com.br 1.74/10 - - Mar 2020
9444 spray-tan.nl 1.74/10 - - Jul 2019
9445 kutschenfahrten-scherrer.ch 1.74/10 - - Sep 2020
9446 parasols.be 1.74/10 - - Jul 2019
9447 outlet-piscines.fr 1.74/10 - - Jun 2020
9448 regaflex.de 1.74/10 - - Aug 2018
9449 kevinhicksrealestate.com.au 1.74/10 - - Nov 2020
9450 kopara.fi 1.74/10 - - Apr 2019
9451 okumuraboat.co.jp 1.74/10 - - Mar 2022
9452 citruscycles.ca 1.74/10 170 210 Jan 2019
9453 girotti.fr 1.74/10 - - Jan 2019
9454 valverdedealcala.es 1.74/10 - - Oct 2022
9455 ennser-huette.at 1.74/10 - - Aug 2022
9456 primarschuleweiningen.ch 1.74/10 - - Aug 2022
9457 pzje.ch 1.74/10 - - Jul 2024
9458 theartlifegallery.com 1.74/10 - - Aug 2022
9459 shop4seats.com 1.74/10 - - Aug 2018
9460 racingmodellbau.ch 1.74/10 - - Jan 2019
9461 mofafreunde-beelen.de 1.74/10 - - Aug 2023
9462 xn--kirchsteinhtte-qsb.de 1.74/10 - - Feb 2022
9463 unicestas.com.br 1.74/10 - - Jan 2024
9464 kk-kato.co.jp 1.74/10 - - Nov 2022
9465 a-tabi.jp 1.74/10 - - Aug 2022
9466 vegadates.nl 1.74/10 - - Jan 2019
9467 bungalowparkdewijdeblick.nl 1.74/10 - - Jul 2020
9468 degoldberg.nl 1.74/10 - - Sep 2020
9469 mrhj.ac.id 1.74/10 - - Dec 2025
9470 currencyliquidator.com 1.73/10 68 82 Jun 2019
9471 notare-num.de 1.73/10 - - Aug 2022
9472 replicasrolex.es 1.73/10 - - Sep 2024
9473 praxis-kaiserviertel.de 1.73/10 - - Feb 2022
9474 stecknadel-online.de 1.73/10 - - Jan 2019
9475 maximus-solaria.pl 1.73/10 - - Jun 2020
9476 beiser-se.eu 1.73/10 - - Mar 2026
9477 kullysupply.com 1.73/10 - - Jan 2019
9478 tetsuya-jp.com 1.73/10 - - May 2022
9479 saloistenreipas.fi 1.73/10 - - Feb 2019
9480 nkbooking.dk 1.73/10 - - May 2019
9481 st-maria-weiskirchen.de 1.73/10 - - Aug 2023
9482 iabc.net 1.73/10 - - Nov 2022
9483 officialbrand.eu 1.73/10 - - Oct 2024
9484 printpoppa.co.nz 1.73/10 - - Jan 2019
9485 hayashi-group.jp 1.73/10 - - Jul 2024
9486 christmastimeuk.com 1.73/10 300 741 Jan 2019
9487 accidental.com.au 1.73/10 21 65 Jan 2019
9488 detallesarmonia.es 1.73/10 - - Feb 2019
9489 rokkanal.se 1.73/10 - - Jan 2019
9490 ortobras.com.br 1.73/10 - - Jun 2024
9491 knifemerchant.com 1.73/10 - - May 2024
9492 berlin-marsch.de 1.73/10 - 1 Aug 2022
9493 digitalskillseducation.com 1.73/10 - - Mar 2024
9494 webmartial.com 1.73/10 - - Jan 2019
9495 drei-koenig.de 1.73/10 - - May 2025
9496 barcodegiant.com 1.73/10 4,000 5,886 Mar 2018
9497 polymax.co.uk 1.73/10 - - Jan 2019
9498 gobelpower.com 1.73/10 - - May 2022
9499 akitayhdistys.fi 1.73/10 - - Aug 2022
9500 medstrana.com 1.73/10 - - Aug 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).

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