Websites Powered by Prototype

168,047 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 Aug 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 0.46% 206
Government 0.34% 26
Industrial and manufacturing 0.24% 10
Arts and entertainment 0.19% 72
Retail 0.19% 492
Non-profit and religious 0.16% 11
Finance and insurance 0.10% 15
News and media 0.08% 33
Blogs and publishing 0.08% 19
Sports and fitness 0.08% 12
Pets and animals 0.08% 2
Professional services 0.07% 25

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% · 358 of 7,677 sites
7+ 2% · 1,011 of 45,712 sites
6+ 1% · 1,626 of 110,136 sites
5+ <1% · 2,400 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
4401 editoravida.com.br 3.46/10 - - Nov 2025
4402 collyerbristow.com 3.46/10 - - Aug 2024
4403 band.fm 3.46/10 - - Aug 2023
4404 inceif.edu.my 3.46/10 - - Oct 2024
4405 alectobaby.nl 3.46/10 1 10 Jan 2023
4406 bestblackhatforum.com 3.46/10 91 134 Aug 2022
4407 beachgstaad.ch 3.46/10 20 14 Feb 2023
4408 schatberg.nl 3.46/10 - - Jan 2021
4409 sakenojin.jp 3.46/10 - - May 2020
4410 goivvy.com 3.45/10 - - Apr 2019
4411 abramo.de 3.45/10 3 13 Aug 2018
4412 homepagine.com 3.45/10 - - Oct 2021
4413 bitiba.co.uk 3.45/10 - - Sep 2022
4414 edelstahlschornstein-123.de 3.45/10 - - Jan 2019
4415 erplain.com 3.45/10 - - Mar 2023
4416 jesusnet.dk 3.45/10 - - Jan 2019
4417 arkeabanqueprivee.fr 3.45/10 7 7 Feb 2019
4418 ukulele.org 3.45/10 - - Jun 2020
4419 dermatic.pl 3.45/10 - - Feb 2020
4420 wfp.com 3.45/10 - - Dec 2023
4421 jahcp.org 3.45/10 - - Jan 2019
4422 retail-summit.eu 3.45/10 - - Jun 2022
4423 ticketstorm.com 3.45/10 - - Jan 2019
4424 enartis.com 3.45/10 - - Apr 2019
4425 kizuki.com 3.45/10 - - Jan 2019
4426 lfv-bgld.at 3.45/10 - - Aug 2022
4427 zooplus.dk 3.45/10 - - Aug 2022
4428 zooplus.gr 3.45/10 - - Aug 2022
4429 cloudcart.com 3.45/10 - - Jul 2020
4430 iua.edu.ar 3.45/10 - - Aug 2022
4431 cpau.org 3.45/10 - - Jun 2024
4432 christkirk.com 3.45/10 - - Jan 2019
4433 groningerondernemerscourant.nl 3.45/10 - - Jan 2019
4434 pawelkuczynski.com 3.45/10 - - Jan 2019
4435 bitiba.fr 3.45/10 - - Oct 2022
4436 sznm.ro 3.45/10 - - May 2019
4437 beatlesebooks.com 3.45/10 16,800 3,821 Jan 2019
4438 umemori.co.jp 3.45/10 - - Feb 2022
4439 villagrazia.ua 3.45/10 - - Jan 2019
4440 frh.or.jp 3.45/10 - - Jul 2021
4441 oeschberg.ch 3.45/10 - - Jul 2025
4442 unisbablitar.ac.id 3.45/10 - - Oct 2022
4443 goedkopermetschakelmateriaal.nl 3.45/10 - - Jan 2019
4444 goedkopermetled.nl 3.45/10 - - Jan 2019
4445 aura.diamonds 3.45/10 - - Jul 2020
4446 beckmann-reisen.de 3.44/10 - - Aug 2022
4447 gilgendoorsystems.com 3.44/10 - - Mar 2024
4448 homeboxstores.com 3.44/10 - - Dec 2020
4449 scottcoop.com 3.44/10 - - Aug 2022
4450 ammattilehti.fi 3.44/10 - 4 Jan 2019
4451 betblog.com 3.44/10 7 21 Feb 2019
4452 zoo-boissiere.com 3.44/10 - - Jan 2019
4453 verso-net.be 3.44/10 - - Apr 2020
4454 couristan.com 3.44/10 - - Jan 2019
4455 ip-edu.org 3.44/10 - - Apr 2018
4456 ultra-bike.de 3.44/10 - - May 2019
4457 stadtwerke-elmshorn.de 3.44/10 - - Dec 2020
4458 nej-sici-stroje.cz 3.44/10 - - Aug 2018
4459 duesseldorf-altstadt.de 3.44/10 - - Jan 2019
4460 versum.pl 3.44/10 - - Aug 2018
4461 dyson.sa 3.44/10 - - May 2024
4462 grbbank.com 3.44/10 - - Jan 2025
4463 sfss.ca 3.44/10 - - Apr 2019
4464 scifinet.org 3.44/10 - - Jul 2020
4465 thuisvester.nl 3.44/10 - - Jan 2019
4466 nejinews.co.jp 3.44/10 - - Jan 2019
4467 svnk.nl 3.44/10 - - Aug 2018
4468 leckermachtlaune.de 3.44/10 - - Jan 2019
4469 vitechinc.com 3.43/10 - - Aug 2018
4470 ligfiets.net 3.43/10 - - Jan 2019
4471 indzara.com 3.43/10 - - Jan 2023
4472 tfront.com 3.43/10 - - Jun 2025
4473 trzebownisko.pl 3.43/10 - - Aug 2018
4474 mcfr.kz 3.43/10 - - Sep 2019
4475 bluebirdbackcountry.com 3.43/10 - - Jul 2026
4476 flynyx.com 3.43/10 - - Jun 2021
4477 ultimate64.com 3.43/10 - - Jan 2019
4478 uptowntheatrenapa.com 3.43/10 - - Jan 2019
4479 snn.eu 3.43/10 - - Mar 2022
4480 dyson.lv 3.43/10 - - May 2024
4481 brennercom.it 3.43/10 - - Jun 2021
4482 energie-suedwest.de 3.43/10 - - Sep 2020
4483 artpark.net 3.43/10 7,200 2,008 Apr 2024
4484 bouyguestelecom-pro.fr 3.43/10 - - Jul 2025
4485 sudo-sekizai.co.jp 3.43/10 - - Jan 2019
4486 amper-kurier.de 3.43/10 - 1 Apr 2019
4487 tinyme.com 3.43/10 - - Aug 2018
4488 bki.cz 3.43/10 - - Aug 2022
4489 oikocredit.nl 3.43/10 - - Jan 2019
4490 transfercar.co.nz 3.43/10 - - Jan 2023
4491 maxiprotec.fr 3.43/10 - - Jan 2019
4492 gotthelf.ch 3.43/10 - - Aug 2022
4493 donnuet.edu.ua 3.43/10 - - Apr 2020
4494 stikesmhk.ac.id 3.43/10 - - Oct 2025
4495 sempihost.com.br 3.42/10 - - Jan 2019
4496 turbopascher.com 3.42/10 - - Aug 2018
4497 helpling.com 3.42/10 - - Sep 2020
4498 goldgas.de 3.42/10 - - Aug 2022
4499 stickma.de 3.42/10 - - Jan 2019
4500 jst.fr 3.42/10 - - May 2020

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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