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
4801 nvagt-gestalt.org 3.24/10 - - Oct 2023
4802 knowledge-department.de 3.24/10 - - Jan 2019
4803 lepshy.by 3.24/10 - - Apr 2019
4804 asego.de 3.24/10 - - Jan 2023
4805 unigoro.ac.id 3.24/10 - - Feb 2025
4806 comnyou.net 3.24/10 - - Jan 2019
4807 hoerwelt-jana-ritter.de 3.24/10 - - Mar 2024
4808 changeengine.com 3.24/10 - - Aug 2023
4809 stadtwerke-schoenebeck.de 3.24/10 - - Jun 2025
4810 hollandridgefarms.com 3.24/10 - - Dec 2020
4811 jcimjournal.com 3.24/10 - - Jun 2020
4812 me-systeme.de 3.24/10 - - Jun 2024
4813 visembryo.com 3.24/10 - - Jan 2019
4814 unusia.ac.id 3.24/10 - - Jan 2024
4815 editoraleader.com.br 3.24/10 - - Feb 2021
4816 mondadoriperte.it 3.24/10 - - Jun 2018
4817 swisstopsport.ch 3.24/10 - - Mar 2022
4818 ohori-hosp.jp 3.24/10 - - Sep 2019
4819 shoplibido.com.br 3.24/10 - - Jan 2019
4820 pro-media.at 3.24/10 - - Nov 2023
4821 barefootdreams.jp 3.24/10 - 3 Jun 2018
4822 ryucom.ne.jp 3.24/10 - - Nov 2022
4823 pimc.edu.pk 3.24/10 - - Jan 2021
4824 deschouwwitgoed.nl 3.24/10 - - Aug 2018
4825 5050.pk 3.24/10 5 58 Jan 2019
4826 hondacityclube.com.br 3.24/10 - - Jan 2019
4827 billpocket.com 3.23/10 99 130 Aug 2018
4828 themooltipass.com 3.23/10 - - Jan 2019
4829 explodely.com 3.23/10 - - Jan 2023
4830 record360.com 3.23/10 - - Apr 2022
4831 crimealib.ru 3.23/10 - - Jan 2024
4832 gpsbulldogs.org 3.23/10 - - Jul 2022
4833 magetop.com 3.23/10 - - Jun 2020
4834 valbury.co.id 3.23/10 - - Feb 2023
4835 sahk.fi 3.23/10 - - Jul 2019
4836 cfcs.org.uk 3.23/10 - - Mar 2024
4837 electrictobacconist.com 3.23/10 - - Aug 2018
4838 dbjl.fr 3.23/10 - - Jan 2019
4839 zooplus.bg 3.23/10 - - Aug 2022
4840 cornerstonebank.com 3.23/10 - - Nov 2017
4841 tendercuts.in 3.23/10 - - Aug 2018
4842 mcpsmd.org 3.23/10 - - Aug 2018
4843 tooeleco.gov 3.23/10 - - Mar 2026
4844 parfuemerie.de 3.23/10 - - Jun 2024
4845 popularonline.com.my 3.23/10 - - Apr 2017
4846 othersideatwork.nl 3.23/10 - - Mar 2023
4847 notfalldose.de 3.23/10 - - Feb 2019
4848 premierillawarra.com.au 3.23/10 - - Jan 2019
4849 thuisbijantares.nl 3.23/10 - - Jul 2021
4850 mas-moravsky-kras.cz 3.23/10 - - Aug 2022
4851 dyson.sk 3.23/10 - - May 2024
4852 ahgonline.org 3.23/10 - - Sep 2023
4853 fiut.bg 3.23/10 - - Jan 2019
4854 sasebo-tamaya.co.jp 3.23/10 - - Jan 2019
4855 kabarett.at 3.23/10 - - Jan 2019
4856 vlasimskypark.cz 3.23/10 - - Sep 2020
4857 naramachi-center.jp 3.23/10 - - Feb 2020
4858 idealis.nl 3.23/10 - - Jan 2019
4859 ppicurug.ac.id 3.23/10 - - Sep 2025
4860 siedmiorog.pl 3.23/10 - - Jan 2019
4861 tokyoprototype.jp 3.23/10 - - Feb 2026
4862 saanenbank.ch 3.23/10 - - Apr 2020
4863 hostellerieamschwarzsee.ch 3.23/10 - - Oct 2024
4864 poltekpel-sby.ac.id 3.23/10 - - Aug 2024
4865 punk.cz 3.23/10 - - Jan 2019
4866 fencingandlandscapesupplies.co.uk 3.23/10 - - Apr 2019
4867 clarionsafety.com 3.22/10 - - Nov 2025
4868 rstinstruments.com 3.22/10 - - Jan 2023
4869 lovecleanstreets.com 3.22/10 - - Aug 2022
4870 amestile.com 3.22/10 1,200 2,351 Jan 2019
4871 x3news.com 3.22/10 - - Feb 2019
4872 flexportal.eu 3.22/10 - - Nov 2022
4873 enquire.cloud 3.22/10 - - Mar 2024
4874 deoa.org.tw 3.22/10 - - Dec 2020
4875 watiqa.ma 3.22/10 - - Jan 2019
4876 plandent.nl 3.22/10 - - Apr 2023
4877 heidelbergmaterials.ba 3.22/10 - - Mar 2026
4878 swa-b.de 3.22/10 - - Aug 2022
4879 dfpcl.com 3.22/10 - - Dec 2023
4880 bodegasommos.com 3.22/10 - - Sep 2019
4881 lenco.com 3.22/10 - - Aug 2019
4882 tennispro.fr 3.22/10 - - Jan 2016
4883 vinicolaguaspari.com.br 3.22/10 - - Jun 2021
4884 hauniv.edu 3.22/10 - - Aug 2022
4885 gstaadacademy.ch 3.22/10 - - Feb 2019
4886 klubcinema.fr 3.22/10 - - Jul 2023
4887 kamisusaisei.jp 3.22/10 - - Jan 2019
4888 zuidwestwonen.nl 3.22/10 - - Aug 2018
4889 jae.or.jp 3.22/10 - - Jul 2019
4890 navifleet.pl 3.22/10 - - Jan 2023
4891 bunkamura.or.jp 3.22/10 - - Jul 2019
4892 rebatt.nl 3.22/10 - - Jan 2019
4893 clearhome.jp 3.22/10 - - Aug 2026
4894 laundrylux.com 3.21/10 - - Jan 2025
4895 24open.ru 3.21/10 - - Jan 2016
4896 stylebooks.com 3.21/10 - - Jan 2019
4897 g-wonlinetextbooks.com 3.21/10 - - Oct 2016
4898 warpportal.com 3.21/10 - - Aug 2018
4899 zieloneimperium.pl 3.21/10 - - Jan 2016
4900 ww2.ru 3.21/10 - - 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).

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