Websites Powered by Prototype

168,279 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 Sep 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 53,040 Prototype sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 13,953
Germany 13,016
United Kingdom 6,613
India 6,244
France 6,107
Japan 5,814
Netherlands 5,575
Spain 5,285

Sites using Prototype by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Education 0.42% 207
Government 0.32% 26
Industrial and manufacturing 0.21% 9
Arts and entertainment 0.18% 74
Retail 0.16% 486
Non-profit and religious 0.14% 11
Finance and insurance 0.10% 16
Blogs and publishing 0.08% 19
Pets and animals 0.07% 2
News and media 0.07% 30
Sports and fitness 0.07% 11
Travel and hospitality 0.06% 46

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+ 6% · 22 of 372 sites
8+ 5% · 347 of 7,677 sites
7+ 2% · 979 of 45,712 sites
6+ 1% · 1,577 of 110,136 sites
5+ <1% · 2,335 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
5301 hlywd.co.jp 3.06/10 - - Aug 2020
5302 techxxl.de 3.05/10 - - Jul 2025
5303 trycksakstorget.se 3.05/10 - - Jan 2019
5304 brandsource.com 3.05/10 - - Jan 2017
5305 smxracing.nl 3.05/10 - - May 2019
5306 pollendiary.com 3.05/10 - - Apr 2019
5307 adcustoms.gov.ae 3.05/10 28 55 Aug 2022
5308 ksb-ll.de 3.05/10 - - Feb 2020
5309 smt-montagetechnik.de 3.05/10 - - Jun 2019
5310 almapatika.hu 3.05/10 37 130 Dec 2020
5311 greenfieldcoopbank.com 3.05/10 - - Nov 2024
5312 dataexpress.com.tw 3.05/10 - - Aug 2019
5313 vascorossi.net 3.05/10 - - Aug 2018
5314 stikespantiwaluya.ac.id 3.05/10 - - Jan 2021
5315 universitatcarlemany.com 3.05/10 - - Aug 2022
5316 bitiba.cz 3.05/10 - - Sep 2022
5317 notschrei-loipe.de 3.05/10 - - Jan 2019
5318 exo.com.ar 3.05/10 - - Jan 2023
5319 rappa.cz 3.05/10 - - Jan 2019
5320 nordblogs.com 3.05/10 - - Jan 2019
5321 athene-cs.co.jp 3.05/10 - - May 2019
5322 mptpszichiatria.hu 3.05/10 - - Jan 2019
5323 bsvbern.ch 3.05/10 - - Jan 2019
5324 overtek.com.br 3.05/10 - - May 2019
5325 arao-lib.jp 3.05/10 - - May 2020
5326 hantec.cz 3.05/10 - - Jan 2019
5327 itskesicme.ac.id 3.05/10 - - Aug 2023
5328 unkafa.ac.id 3.05/10 - - Feb 2025
5329 sandbaguk.com 3.04/10 - - Jan 2019
5330 conject.com 3.04/10 - - Aug 2022
5331 myarena.ru 3.04/10 - - Aug 2018
5332 hdtv.ru 3.04/10 - - Aug 2018
5333 glaser.es 3.04/10 - - Jan 2019
5334 sevellia.com 3.04/10 - - Jun 2018
5335 illux.dk 3.04/10 - - Jan 2019
5336 christianfischbacher.com 3.04/10 - - Feb 2022
5337 passionflix.com 3.04/10 - - Nov 2024
5338 experis.co.il 3.04/10 - - Jun 2022
5339 collect-world.com 3.04/10 - - Jan 2019
5340 awo-juki.de 3.04/10 - - Apr 2020
5341 salina-reha.ch 3.04/10 - - Apr 2022
5342 brueder-grimm-haus.de 3.04/10 - - Sep 2020
5343 deherkenbosche.nl 3.04/10 - - Jul 2019
5344 net-links.co.jp 3.04/10 - - Mar 2020
5345 nozawaonsen.co.jp 3.04/10 - - Jul 2020
5346 kurhaus-grimmialp.ch 3.04/10 - - Aug 2022
5347 szfzhemmingen.de 3.04/10 - - Sep 2020
5348 mange-disque.tv 3.04/10 - - Jan 2022
5349 prl.ie 3.03/10 - - Jun 2024
5350 auctionedge.com 3.03/10 670 131 May 2020
5351 donahue.com 3.03/10 - - Dec 2021
5352 leadsplease.com 3.03/10 - - Apr 2017
5353 svicac.org 3.03/10 - - Jan 2024
5354 zlatarnacelje.com 3.03/10 - - Feb 2020
5355 superkarate.ru 3.03/10 - - Aug 2018
5356 landfrauenverband-suedbaden.de 3.03/10 - - Sep 2022
5357 archives41.fr 3.03/10 - 2 Jan 2026
5358 lernsoftware-mathematik.de 3.03/10 - - Jun 2020
5359 gites-de-france-ain.com 3.03/10 - - Jan 2019
5360 avonic.com 3.03/10 440 122 Oct 2022
5361 ezcosplay.com 3.03/10 - - Jan 2016
5362 lynxspring.com 3.03/10 - - Nov 2022
5363 airportstaxitransfers.com 3.03/10 3,000 4,826 Aug 2018
5364 metsamieli.fi 3.03/10 - - Jun 2022
5365 mectron.de 3.03/10 - - Sep 2022
5366 guo.by 3.03/10 - - Jun 2018
5367 cavedejurancon.com 3.03/10 - - Jan 2019
5368 eptc.com.br 3.03/10 - - May 2023
5369 naturel21.com 3.03/10 - - Mar 2020
5370 abiturloesung.de 3.03/10 - - Aug 2018
5371 verjo.nl 3.03/10 - - Jan 2019
5372 sgahlen.de 3.03/10 - - May 2020
5373 stroomwinkel.nl 3.03/10 - - Jan 2019
5374 gra-nat.ch 3.03/10 - - Jun 2023
5375 oos.jp 3.03/10 - - Jan 2019
5376 kinepolis.ch 3.03/10 - - Jan 2019
5377 kaisan.com.br 3.03/10 - - Sep 2017
5378 hurennoordveluwe.nl 3.03/10 - - Jan 2019
5379 park-hotel.ch 3.03/10 - - Apr 2022
5380 nuroa.ch 3.03/10 - - Jan 2019
5381 normark.se 3.03/10 - - Jan 2019
5382 inaba.ac.id 3.03/10 - - May 2026
5383 mobilefun.es 3.03/10 - - Aug 2018
5384 baumannpaper.com 3.02/10 1,400 2,638 May 2019
5385 zedencrypt.com 3.02/10 - - May 2020
5386 vangogh.shop 3.02/10 - - Jan 2024
5387 woco-k12.org 3.02/10 - - Jun 2025
5388 best-boats24.net 3.02/10 - - Aug 2018
5389 molehillempire.com 3.02/10 - - Jan 2016
5390 mypclc.org 3.02/10 - - Feb 2019
5391 techjalmar.se 3.02/10 - - Jun 2020
5392 16bit.com 3.02/10 440 2,032 Jan 2019
5393 ma.services 3.02/10 - - May 2024
5394 oima.fi 3.02/10 - - Feb 2023
5395 ce-parfait.com 3.02/10 - - Aug 2018
5396 mmsport.dk 3.02/10 - - Jan 2019
5397 supervigo.com 3.02/10 - - Sep 2021
5398 famemma.tv 3.02/10 - - Jan 2023
5399 postbeeld.com 3.02/10 - - Mar 2019
5400 hitecmobile.com.sg 3.02/10 - - Jun 2017

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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