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
10201 huaweishop.sk 1.63/10 - - Jan 2019
10202 asahi.pro 1.63/10 - - Aug 2022
10203 eleapcourses.com 1.63/10 - - Aug 2022
10204 meditacion.org 1.63/10 - - Oct 2020
10205 hassing.dk 1.63/10 - - Jan 2020
10206 abel-tasman.de 1.63/10 - - Aug 2022
10207 mls.hu 1.63/10 - - Jan 2019
10208 tenanttech.com 1.63/10 - - Jul 2023
10209 assaytech.com 1.63/10 660 213 Nov 2021
10210 supremacy1914.de 1.63/10 - - Jan 2016
10211 attockcement.com 1.63/10 2 2 Dec 2019
10212 instrumentation2000.com 1.63/10 - - Jan 2019
10213 shop4fasteners.co.uk 1.63/10 - - Jan 2019
10214 ksv-wienerlinien.at 1.63/10 - - Jun 2023
10215 uinsuku.ac.id 1.63/10 - - May 2026
10216 chousashi.net 1.63/10 - - May 2024
10217 voxsilentii.fi 1.63/10 - - May 2021
10218 aerztehaus-rostock.de 1.63/10 - - Feb 2019
10219 luini.com 1.63/10 - - Aug 2022
10220 xn--cafe-zur-rmerquelle-z6b.de 1.63/10 - - May 2023
10221 matematicasbachiller.com 1.63/10 - - Nov 2017
10222 swbeerlage.de 1.63/10 - - Sep 2022
10223 b12.pl 1.63/10 - - Apr 2019
10224 joaodeus.com 1.63/10 - - Mar 2019
10225 xn--kerilykuume-n8a.fi 1.63/10 - - May 2022
10226 alttilhundogkat.dk 1.63/10 - 3 Jul 2021
10227 emule-rus.net 1.63/10 - - Aug 2018
10228 magnoliabank.com 1.63/10 - - Jul 2024
10229 medicsport.dk 1.63/10 - - Feb 2022
10230 lafermedesepis.com 1.63/10 - - May 2021
10231 buddhafiguren.de 1.63/10 - 2 Feb 2019
10232 iwa-gymnastics.de 1.63/10 - - Jul 2022
10233 dsa-ev.de 1.63/10 - - Mar 2023
10234 deborahhaddix.com 1.63/10 - - Jul 2024
10235 domainelongpre.be 1.63/10 - - Feb 2019
10236 yogautrecht.nl 1.63/10 - - Mar 2020
10237 lachocolate.si 1.63/10 - - Feb 2020
10238 cultureb.de 1.63/10 - - Jan 2025
10239 gbz-net.de 1.63/10 - - Jun 2021
10240 einfach-bergmann.de 1.63/10 - - Dec 2024
10241 feuerwehr-guenzburg.de 1.63/10 - - May 2021
10242 xn--grtnerei-gschubert-ltb.de 1.63/10 - - Feb 2020
10243 maurysonline.it 1.63/10 - - Jul 2020
10244 serfish.com 1.63/10 - - May 2017
10245 yolobaby.fr 1.63/10 - - Oct 2020
10246 kanibus.jp 1.63/10 - - Dec 2022
10247 ykk-run.jp 1.63/10 - - Jan 2025
10248 tsumagari-gakuen.jp 1.63/10 - - Oct 2022
10249 k-takasima.jp 1.63/10 - - Apr 2025
10250 ihr-chiropraktor.de 1.63/10 - - Feb 2020
10251 amnesty-lombardia.it 1.63/10 2 1 Jan 2021
10252 canovas.com.br 1.63/10 - 11 Jan 2019
10253 reoplan.ch 1.63/10 - - Sep 2022
10254 orthoplusbasel.ch 1.63/10 - - Aug 2022
10255 pivohastrman.cz 1.63/10 - - Sep 2020
10256 veterancykel.se 1.63/10 - - Jun 2020
10257 sorfjardenscamping.se 1.63/10 - - Sep 2020
10258 duesselcamp.de 1.63/10 - - Sep 2020
10259 leschaissainteloi88.fr 1.63/10 - - Feb 2024
10260 hotel-passmann.de 1.63/10 - - Aug 2022
10261 asianworld.it 1.63/10 - - Sep 2016
10262 castormart.ie 1.63/10 - 3 Jun 2020
10263 totalbrain.co.jp 1.63/10 - - Jun 2023
10264 city-ticket.jp 1.63/10 - - Feb 2019
10265 r-shimizu.jp 1.63/10 - - Sep 2020
10266 servi-flor.com 1.62/10 - - Aug 2022
10267 novapteca.ru 1.62/10 - - Jun 2021
10268 canadianspacompany.com 1.62/10 300 171 Jan 2019
10269 museumsstueberl.com 1.62/10 - - Nov 2021
10270 kammi.fi 1.62/10 - - Sep 2021
10271 fne.dk 1.62/10 - - Nov 2022
10272 plusbuyer.com 1.62/10 - - Jan 2019
10273 silky-europe.com 1.62/10 - - Jan 2019
10274 teichprofi.de 1.62/10 - - Jun 2020
10275 xn--tierhilfe-sdbrandenburg-mpc.de 1.62/10 - - Dec 2020
10276 silostore.com 1.62/10 - - Jul 2020
10277 trauerwaren.at 1.62/10 - - Aug 2022
10278 hyundairentalcare.co.kr 1.62/10 - - Jul 2023
10279 printmykit.co.uk 1.62/10 - - Jul 2024
10280 garagentor-kaufen.ch 1.62/10 - - Aug 2022
10281 raviday-jardin.com 1.62/10 - - Apr 2019
10282 elpcctv.com 1.62/10 - - Feb 2019
10283 elbweiderind.com 1.62/10 - - Apr 2022
10284 prinfab.com 1.62/10 - - Jan 2019
10285 afvclub.ca 1.62/10 85 183 Jan 2019
10286 idylive.fr 1.62/10 - - Jan 2016
10287 goleditiberio.com 1.62/10 - - Jul 2021
10288 guinama.com 1.62/10 - - Oct 2016
10289 crookedmonkey.com 1.62/10 330 579 Oct 2020
10290 girotti.de 1.62/10 - - Jan 2019
10291 jesusbaeckerei.de 1.62/10 - - Aug 2022
10292 jugendmusikschule-dreisamtal.de 1.62/10 - - Nov 2022
10293 viavita-institut.de 1.62/10 - - Jun 2024
10294 e-uchebnici.com 1.62/10 - - Jan 2019
10295 dittmann-wohnungsverwalter.de 1.62/10 - - Nov 2022
10296 haus-halstenbek.de 1.62/10 - - Jul 2020
10297 audiotehnika.ee 1.62/10 7 37 Jan 2019
10298 perfectespresso.ro 1.62/10 - - Jan 2019
10299 cogop.org.uk 1.62/10 22 32 Feb 2024
10300 pesprotebe.com 1.62/10 - - Sep 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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