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
2401 suwalls.com 4.81/10 - - Jun 2018
2402 canadiannorth.com 4.81/10 3,100 1,649 Dec 2021
2403 daijob.com 4.81/10 - - May 2017
2404 unw.ac.id 4.81/10 - - Jun 2020
2405 itsk-soepraoen.ac.id 4.81/10 - - Jul 2021
2406 city.niigata.jp 4.81/10 - - Apr 2025
2407 doku.com 4.80/10 - - Jan 2023
2408 kumoh.ac.kr 4.80/10 - - Aug 2018
2409 landkreis-osterholz.de 4.80/10 - - Jan 2019
2410 mendoza.edu.ar 4.80/10 - - Jul 2020
2411 seifenhaus.ch 4.79/10 - - Jul 2025
2412 uithoorn.nl 4.79/10 - - May 2020
2413 cultival.fr 4.79/10 - - Aug 2023
2414 faithful-to-nature.co.za 4.78/10 - - Jun 2018
2415 nozawaski.com 4.78/10 - - Sep 2023
2416 lc.edu 4.78/10 - - Aug 2022
2417 dinamika.ac.id 4.78/10 - - Feb 2020
2418 umb.ac.id 4.78/10 - - Oct 2024
2419 usacheer.org 4.77/10 - - Feb 2026
2420 ulacit.ac.cr 4.77/10 - - Aug 2018
2421 jobsintown.de 4.77/10 - - Aug 2018
2422 agrowstar.com 4.77/10 130 162 Aug 2022
2423 umpr.ac.id 4.77/10 - - Nov 2022
2424 planetmad.es 4.77/10 - - Mar 2024
2425 bbg.ac.id 4.77/10 1 13 Jun 2024
2426 adesa.com 4.76/10 61,200 18,956 Sep 2020
2427 procurios.com 4.76/10 - - May 2024
2428 bps-system.de 4.76/10 6 18 Mar 2024
2429 escola.ch 4.76/10 - - Sep 2024
2430 premiumparking.com 4.76/10 - - Feb 2020
2431 kwsuspensions.jp 4.76/10 - - Jan 2019
2432 pimax.com 4.76/10 - - Jun 2020
2433 ntub.edu.tw 4.76/10 - - Aug 2018
2434 recia.fr 4.76/10 - - Oct 2025
2435 thenorthface.de 4.76/10 - - Aug 2025
2436 npru.ac.th 4.76/10 - - Feb 2024
2437 karvina.cz 4.76/10 - - Jan 2019
2438 pancabudi.ac.id 4.76/10 - - Jul 2023
2439 einsiedeln.ch 4.76/10 - - Jan 2019
2440 eaeprogramas.es 4.76/10 - - Aug 2019
2441 lnnu.edu.cn 4.75/10 - - Jun 2023
2442 callofwar.com 4.75/10 18,700 1,780 Jan 2016
2443 unicaf.org 4.75/10 - - Aug 2022
2444 truenorthlogic.com 4.75/10 - - Aug 2018
2445 szte.hu 4.75/10 - - Feb 2025
2446 fnu.ac.fj 4.75/10 - - Sep 2023
2447 medicinpriser.dk 4.75/10 - - Jan 2019
2448 tickets.kz 4.75/10 - - Jun 2017
2449 nflfoundation.org 4.75/10 - - Jan 2019
2450 paack.co 4.75/10 - - Dec 2022
2451 falkensee.de 4.75/10 - - Oct 2022
2452 tarc.edu.my 4.75/10 - - Dec 2020
2453 neue.at 4.75/10 - - Jul 2022
2454 tejar.pk 4.75/10 - - Aug 2018
2455 jdsf.or.jp 4.75/10 - - Jan 2019
2456 wvup.edu 4.75/10 - - Oct 2022
2457 tablety.pl 4.75/10 - - Jun 2016
2458 converse.com.au 4.75/10 - - Jan 2016
2459 yongpyong.co.kr 4.75/10 - - Aug 2026
2460 northmetrotafe.wa.edu.au 4.75/10 - - Jan 2019
2461 prometheus-bildarchiv.de 4.75/10 - - Jan 2019
2462 desall.com 4.75/10 - - Jun 2016
2463 ubharajaya.ac.id 4.75/10 - - Apr 2020
2464 ukwms.ac.id 4.75/10 - - Nov 2022
2465 iainkendari.ac.id 4.75/10 - - Feb 2019
2466 nbkorea.com 4.74/10 - - Aug 2018
2467 chauffage-et-climatisation.fr 4.74/10 54 31 Jan 2019
2468 msubmit.net 4.74/10 - - Aug 2022
2469 wordpresstemporal.com 4.74/10 - - Jun 2026
2470 ati.tn 4.74/10 - - Mar 2024
2471 minidsp.com 4.74/10 - - Jul 2020
2472 truereligion.com 4.74/10 - - Aug 2018
2473 srail.kr 4.74/10 - - Sep 2020
2474 rcpet.edu.tw 4.74/10 - - May 2021
2475 masslottery.com 4.74/10 - - Jan 2023
2476 guildhe.ac.uk 4.74/10 - - Jul 2022
2477 seacology.org 4.74/10 - - Feb 2020
2478 agbest.com 4.74/10 140 44 Aug 2022
2479 beardsleyfe.com 4.74/10 63 386 Nov 2023
2480 headphonezone.in 4.74/10 - - Jan 2019
2481 tiu.edu.iq 4.74/10 - - Dec 2021
2482 sliedrecht.nl 4.74/10 - - Jan 2020
2483 papendrecht.nl 4.74/10 - - Aug 2019
2484 polije.ac.id 4.74/10 - - Dec 2020
2485 djk.co.jp 4.74/10 - - Sep 2023
2486 sangirail.co.jp 4.74/10 - - Apr 2023
2487 uwks.ac.id 4.74/10 - - Apr 2020
2488 uinsalatiga.ac.id 4.74/10 - - Apr 2023
2489 drievliet.nl 4.74/10 - - Feb 2025
2490 uniku.ac.id 4.74/10 - - Aug 2024
2491 bedbathntable.com.au 4.74/10 6,500 19,803 Jan 2016
2492 gofar.co 4.73/10 - - Jan 2023
2493 eternityrose.com 4.73/10 - - Jan 2019
2494 apexx.global 4.73/10 660 197 Feb 2023
2495 autel.com 4.73/10 11,000 2,742 Aug 2018
2496 agricharts.com 4.73/10 - - Sep 2020
2497 swiftnav.com 4.73/10 - - Oct 2022
2498 cameyo.com 4.73/10 890 519 Jan 2023
2499 festive-lights.com 4.73/10 - - Jun 2018
2500 johnstonnc.com 4.73/10 - - Dec 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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