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
1401 nd.edu.au 6.30/10 - - Aug 2022
1402 unimus.ac.id 6.30/10 12 11 Aug 2018
1403 dg.gov.cn 6.29/10 - 3 Nov 2021
1404 aud.edu 6.29/10 1,300 1,161 Aug 2018
1405 string-db.org 6.29/10 2,300 1,814 Jan 2016
1406 bismarckstate.edu 6.29/10 36,200 5,671 Aug 2022
1407 hnu.de 6.29/10 110 165 Mar 2021
1408 beck.pl 6.29/10 11 5 Aug 2018
1409 mmu.edu.my 6.29/10 580 412 Jan 2022
1410 utherverse.com 6.29/10 740 12 Jan 2024
1411 unitomo.ac.id 6.29/10 - - Apr 2020
1412 magtechjournal.com 6.28/10 - - Dec 2022
1413 365scores.com 6.28/10 1,186,200 309,837 Aug 2018
1414 postregister.com 6.28/10 24,300 29,615 Aug 2022
1415 afastronomie.fr 6.28/10 27 23 Jan 2019
1416 ntbprov.go.id 6.28/10 - - Oct 2022
1417 chu-lille.fr 6.28/10 56 141 Oct 2022
1418 ltu.bg 6.28/10 1 9 May 2020
1419 univpgri-palembang.ac.id 6.28/10 - - Aug 2024
1420 yalealumnimagazine.com 6.27/10 2,800 2,101 Aug 2018
1421 isdin.com 6.27/10 56,900 17,277 Jun 2018
1422 tulsacc.edu 6.27/10 28,500 15,598 Aug 2018
1423 stu.ca 6.27/10 6,900 2,011 Jul 2022
1424 alwaysdata.com 6.26/10 66 77 Jun 2025
1425 swedbank.lv 6.26/10 1,700 1,784 Jun 2018
1426 mlsi.gov.cy 6.26/10 970 338 Aug 2018
1427 kfs.go.jp 6.26/10 - - Jun 2016
1428 naturpark-suedschwarzwald.de 6.26/10 2 20 Apr 2019
1429 bowvalleycollege.ca 6.26/10 460 1,067 Oct 2021
1430 bijenhouders.nl 6.26/10 3 14 Dec 2020
1431 hoku-iryo-u.ac.jp 6.26/10 35 13 Aug 2018
1432 knnv.nl 6.26/10 - - Mar 2023
1433 rhodescollege.ca 6.25/10 52 127 Jan 2019
1434 efi.com 6.25/10 4,900 3,414 Jan 2019
1435 lmtribune.com 6.25/10 42,200 13,777 Feb 2024
1436 baskent.edu.tr 6.25/10 150 257 Aug 2018
1437 fehap.fr 6.25/10 2 18 Jan 2019
1438 sportzorg.nl 6.25/10 4 20 Apr 2021
1439 asia-u.ac.jp 6.25/10 23 19 Oct 2024
1440 untag-sby.ac.id 6.25/10 - 2 Apr 2020
1441 acko.com 6.24/10 18,900 26,515 Mar 2020
1442 chu-rennes.fr 6.24/10 2 38 Mar 2021
1443 ugd.edu.mk 6.24/10 20 33 Aug 2018
1444 alphenaandenrijn.nl 6.24/10 12 54 Jan 2019
1445 usd.ac.id 6.24/10 610 66 Aug 2018
1446 noloc.nl 6.23/10 4 6 Apr 2022
1447 whiteclaw.com 6.23/10 35,900 3,602 Aug 2021
1448 carlsjr.com 6.22/10 491,900 60,210 Oct 2023
1449 hardees.com 6.22/10 182,800 93,823 Oct 2023
1450 pureflix.com 6.22/10 103,200 39,119 Nov 2020
1451 infinitewp.com 6.21/10 220 55 Aug 2018
1452 csi.ca 6.21/10 3,600 2,590 Feb 2025
1453 hiringthing.com 6.21/10 150 52 Jan 2023
1454 citadel.com 6.21/10 41,100 5,026 Jul 2026
1455 alphabet.com 6.21/10 9,700 417 Apr 2022
1456 billiongraves.com 6.21/10 16,000 6,542 Aug 2018
1457 jobaffinity.fr 6.21/10 - - Aug 2017
1458 indianatech.edu 6.21/10 18,300 4,838 Aug 2018
1459 prattlibrary.org 6.21/10 45,800 12,740 Aug 2022
1460 ondarock.it 6.21/10 3,700 5,073 Aug 2018
1461 zooplus.fr 6.21/10 830 691 Aug 2022
1462 jtu.or.jp 6.21/10 5 38 Jan 2016
1463 snu.edu.in 6.21/10 1,500 1,122 Aug 2018
1464 landesmuseum.de 6.21/10 79 23 May 2022
1465 isi-dps.ac.id 6.21/10 3 2 Jul 2019
1466 city.katano.osaka.jp 6.21/10 1 2 May 2023
1467 douane.gov.ma 6.20/10 390 372 Apr 2019
1468 ttcportals.com 6.20/10 - - Nov 2024
1469 btpm.org 6.20/10 20,600 21,965 May 2025
1470 aydin.edu.tr 6.20/10 170 138 Aug 2018
1471 ukdw.ac.id 6.20/10 8 33 Dec 2020
1472 shijonawate.lg.jp 6.20/10 - - Feb 2020
1473 stiesia.ac.id 6.20/10 - 1 Aug 2018
1474 isi.ac.id 6.19/10 19 11 Aug 2018
1475 dek.cz 6.19/10 86 268 Oct 2017
1476 tu.edu.sa 6.18/10 380 116 Aug 2022
1477 hitbtc.com 6.18/10 210 334 Aug 2020
1478 sistemapiemonte.it 6.18/10 - 9 Aug 2022
1479 uos.ac.uk 6.17/10 1,000 1,157 Aug 2018
1480 utem.edu.my 6.17/10 130 157 Aug 2018
1481 colef.mx 6.17/10 130 260 Nov 2022
1482 yooco.de 6.17/10 - 5 Jan 2019
1483 trunojoyo.ac.id 6.16/10 - - Mar 2024
1484 iainpare.ac.id 6.16/10 71 11 Jan 2021
1485 mercubuana-yogya.ac.id 6.16/10 - - Jan 2019
1486 unmuhjember.ac.id 6.16/10 1 1 Feb 2020
1487 archimadrid.es 6.16/10 - - Jan 2021
1488 heliohost.org 6.15/10 150 70 Nov 2024
1489 uni-eszterhazy.hu 6.15/10 27 60 Apr 2019
1490 bistum-speyer.de 6.15/10 8 42 Feb 2022
1491 fecap.br 6.15/10 77 94 Aug 2024
1492 upnjatim.ac.id 6.15/10 2 17 Aug 2018
1493 nina.gov.pl 6.15/10 - - Aug 2018
1494 trt3.jus.br 6.14/10 - 7 Oct 2023
1495 frontstream.com 6.13/10 2,800 2,214 Mar 2021
1496 hakka.gov.tw 6.13/10 - 3 Mar 2025
1497 fh-wedel.de 6.13/10 27 48 Jan 2016
1498 iyte.edu.tr 6.13/10 92 91 Aug 2018
1499 unusa.ac.id 6.13/10 3,800 32 Jan 2019
1500 cwaf.jp 6.13/10 - - Jul 2019

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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