Websites Powered by Closure Library

89,791 websites tracked using Closure Library (JavaScript libraries) · github.com

Closure Library is a JavaScript library used to add functionality to web pages. Its official site is github.com. PoweredBy tracks the websites that use Closure Library across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript libraries ecosystem.

Usage trend

Domains observed using Closure Library in each month's HTTP Archive crawl, Oct 2023 to Aug 2026 · peak 38,216 in Nov 2023. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 2 s INP 75 ms CLS 0 TTFB 800 ms

Median site among 33,038 Closure Library sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 7,960
India 5,352
Brazil 3,394
Japan 3,337
United Kingdom 2,866
Indonesia 2,765
Spain 2,660
France 2,590

Sites using Closure Library by audience country, Chrome UX Report.

Top sites by authority

9+ 6% · 21 of 372 sites
8+ 3% · 202 of 7,677 sites
7+ 1% · 553 of 45,712 sites
6+ <1% · 828 of 110,136 sites
5+ <1% · 1,259 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running Closure Library in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using Closure Library

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
2001 tanze-anders.at 3.82/10 - - Feb 2024
2002 outloudculture.com 3.81/10 - - Nov 2024
2003 hestetika.art 3.81/10 - - Jan 2024
2004 lorenzobettini.it 3.81/10 - - Nov 2023
2005 acsl.org 3.81/10 460 90 Oct 2023
2006 naturavive.com 3.81/10 - - Dec 2025
2007 holistic.news 3.81/10 - - Jan 2026
2008 sellmyapp.com 3.80/10 - - Oct 2023
2009 nutmegaward.org 3.80/10 - - Jan 2026
2010 gazeta-misto.te.ua 3.80/10 - - Oct 2023
2011 thinkglink.com 3.79/10 - - Oct 2023
2012 theviewer.co 3.79/10 - - Oct 2023
2013 monetizzando.it 3.79/10 - - Aug 2024
2014 semiconportal.com 3.79/10 - - Oct 2023
2015 carsandcoffeeevents.com 3.78/10 - - Oct 2024
2016 puc.paris 3.78/10 - - Mar 2025
2017 hu.ac.th 3.78/10 - - Jan 2026
2018 ufpi.edu.br 3.78/10 - - Oct 2023
2019 brainfodder.org 3.78/10 - - Jun 2025
2020 mashdigi.com 3.78/10 - - Oct 2023
2021 banksyexplained.com 3.78/10 7,800 1,324 May 2025
2022 feralpigroup.com 3.77/10 - - Oct 2023
2023 personality-database.com 3.77/10 - - Jun 2024
2024 townsq.com.br 3.77/10 - - Oct 2023
2025 podcastingtoday.co.uk 3.77/10 - - May 2024
2026 francoqueer.ca 3.77/10 - - Jan 2026
2027 parentsbeyondbreakup.com 3.76/10 - - Jan 2026
2028 klokrekenen.nl 3.76/10 - - Oct 2023
2029 pacificon.org 3.76/10 - - Oct 2023
2030 purehelp.no 3.76/10 - - Oct 2023
2031 vc-roubaix-cyclo.fr 3.76/10 - - Jan 2026
2032 laurainthekitchen.com 3.76/10 - - Oct 2023
2033 netpapa.de 3.76/10 - - Dec 2023
2034 lagazzettadellospettacolo.it 3.76/10 - - Jan 2024
2035 clickliverpool.com 3.76/10 - - Feb 2026
2036 zob.cz 3.76/10 - - Oct 2023
2037 boulistenaute.com 3.75/10 - - Oct 2023
2038 umut-acar.org 3.75/10 - - Oct 2023
2039 earthmap.org 3.75/10 - - Jan 2026
2040 risingsunnewspapers.co.za 3.75/10 - - Oct 2023
2041 alphaplus.ca 3.75/10 4 25 Feb 2026
2042 crux.org.nz 3.75/10 - - Oct 2023
2043 proformative.com 3.75/10 - - Oct 2023
2044 cmu.edu.ph 3.75/10 - - Feb 2026
2045 tischleindeckdich-blog.de 3.75/10 - - Jan 2024
2046 elec4.co.kr 3.74/10 - - Oct 2023
2047 primmart.com 3.74/10 - - Apr 2026
2048 sylapravdy.com 3.74/10 - - May 2025
2049 thefisherman.com 3.74/10 - - Jan 2024
2050 aiacademy.tw 3.74/10 - 2 Mar 2026
2051 developmentready.com.au 3.74/10 - - Jul 2024
2052 essays.se 3.74/10 - - Oct 2023
2053 acheterpermismoto.site 3.74/10 - - Apr 2026
2054 privatecompanydirector.com 3.73/10 - - Jun 2024
2055 welcome2thebronx.com 3.73/10 - - Mar 2025
2056 thequeerreview.com 3.73/10 - - May 2026
2057 klia2.info 3.73/10 - - Aug 2026
2058 smancmbbs.sch.id 3.72/10 - - Feb 2026
2059 2urbangirls.com 3.72/10 6,100 8,518 Mar 2025
2060 diebewertung.de 3.72/10 - - Nov 2023
2061 mounty.app 3.72/10 - - Oct 2023
2062 cenarioenergia.com.br 3.72/10 - - Jan 2026
2063 poltekkes-mks.ac.id 3.72/10 - - Oct 2023
2064 gegdaegu.org 3.71/10 - - Oct 2023
2065 woxikon.it 3.71/10 - - Jul 2026
2066 orienteering.ie 3.71/10 - - Feb 2026
2067 doentesporfutebol.com.br 3.71/10 - - Feb 2025
2068 civiltoday.com 3.71/10 - - Oct 2023
2069 autoracing1.com 3.71/10 5,700 17,222 Dec 2023
2070 metaalmagazine.nl 3.71/10 - - Oct 2023
2071 aviationnews.eu 3.71/10 3,500 2,746 Jul 2025
2072 lalignegourmande.fr 3.71/10 - - Nov 2024
2073 ateneionline.it 3.71/10 10 36 Oct 2023
2074 literaturepadi.com.ng 3.70/10 - - Apr 2025
2075 emka.web.id 3.70/10 - - Jan 2026
2076 kultur.bz.it 3.70/10 - - Aug 2025
2077 worthview.com 3.70/10 - - Oct 2025
2078 beanstalkmums.com.au 3.70/10 190 833 Jul 2024
2079 matsue-ct.ac.jp 3.70/10 - - Oct 2023
2080 abschools.org 3.69/10 2,000 448 Nov 2023
2081 myringsizecalculator.com 3.69/10 - - Jun 2025
2082 draftcountdown.com 3.69/10 - - Oct 2023
2083 1stgenhonors.org 3.69/10 330 62 Oct 2023
2084 thechristianbeat.org 3.69/10 - - Oct 2023
2085 playbasket.it 3.69/10 - - Mar 2026
2086 sdbinb.in 3.68/10 - - Oct 2023
2087 stayfreeapps.com 3.68/10 - - Jan 2026
2088 projectmanagementdocs.com 3.68/10 - - May 2024
2089 rgm.press 3.68/10 - - Nov 2023
2090 ph.education 3.67/10 - - Oct 2023
2091 tvanswerman.com 3.67/10 - - Apr 2026
2092 jaibs.jp 3.67/10 - - Oct 2023
2093 ncoda.org 3.67/10 - - Jun 2026
2094 akpcr.cz 3.67/10 - - Oct 2023
2095 smasa-magetan.sch.id 3.67/10 - - Oct 2023
2096 annelertoplandik.com 3.67/10 15 285 Oct 2023
2097 wpguru.co.uk 3.66/10 - - Nov 2024
2098 bestpass.com 3.66/10 5,800 1,829 Oct 2023
2099 breachbangclear.com 3.66/10 - - Feb 2024
2100 amexi.com.mx 3.66/10 590 3,291 Feb 2026

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) →

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