Websites Powered by Bootstrap

13,096,175 websites tracked using Bootstrap (UI frameworks) · getbootstrap.com

Bootstrap is an open-source CSS and JavaScript framework for building responsive, mobile-first websites. Created at Twitter, it provides a grid system, prebuilt components, and utility classes that speed up front-end development. It is one of the most common UI frameworks on the web and is detected from its distinctive class names and bundled assets.

Usage trend

Domains observed using Bootstrap in each month's HTTP Archive crawl, Apr 2018 to Oct 2026 · peak 4,338,260 in Mar 2023. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.8 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 3,431,585 Bootstrap sites with Chrome UX data, p75 values, Oct 2026.

Top countries

United States 734,790
India 353,081
Germany 269,173
United Kingdom 247,203
Brazil 232,747
France 219,137
Italy 212,230
Spain 177,736

Sites using Bootstrap by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Government 53.71% 5,041
Automotive 43.28% 36,321
Real estate 36.46% 29,593
Restaurants and food 28.62% 44,811
Finance and insurance 27.18% 5,645
News and media 25.11% 12,347
Arts and entertainment 23.83% 12,320
Education 23.27% 14,668
Travel and hospitality 23.21% 19,911
Pets and animals 23.03% 736
Industrial and manufacturing 20.59% 1,053
Healthcare 19.21% 24,301

Share of each industry's websites with a detected stack that use Bootstrap; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 49% · 184 of 372 sites
8+ 50% · 3,816 of 7,677 sites
7+ 40% · 18,496 of 45,712 sites
6+ 35% · 38,723 of 110,136 sites
5+ 29% · 71,693 of 246,751 sites

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

Websites using Bootstrap

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
5101 mit.gov.it 7.82/10 590 713 Apr 2016
5102 pwc.com.au 7.82/10 960 1,825 Jun 2018
5103 tcu.edu 7.82/10 98,800 15,033 Aug 2018
5104 uef.fi 7.82/10 910 1,172 Jun 2018
5105 bart.gov 7.82/10 571,200 83,005 Aug 2018
5106 awi.de 7.82/10 1,900 458 Aug 2018
5107 shaw.ca 7.82/10 14 4 Jun 2017
5108 footprintnetwork.org 7.82/10 46,300 7,721 Aug 2018
5109 unicef.es 7.82/10 1,500 1,473 Jun 2018
5110 jcom.co.jp 7.82/10 450 224 Jan 2026
5111 campact.de 7.82/10 47 118 Aug 2018
5112 philharmoniedeparis.fr 7.82/10 4,400 1,958 Aug 2018
5113 vutbr.cz 7.82/10 4 1 Aug 2018
5114 vs.ch 7.82/10 230 373 Jun 2018
5115 finanznachrichten.de 7.82/10 6,500 10,717 May 2020
5116 globalsecurity.org 7.82/10 107,800 81,733 May 2018
5117 lnu.se 7.82/10 1,900 1,578 Apr 2019
5118 safenames.net 7.81/10 130 418 Jun 2020
5119 childhood.org.br 7.81/10 4 29 Jan 2019
5120 tradeindia.com 7.81/10 19,800 80,328 Sep 2020
5121 startbootstrap.com 7.81/10 5,300 3,946 Aug 2017
5122 launchdarkly.com 7.81/10 5,500 3,262 Aug 2022
5123 ligazakon.net 7.81/10 24 14 Jun 2018
5124 mfa.gov.az 7.81/10 2,100 172 Jan 2020
5125 garage.co.jp 7.81/10 120 58 Aug 2018
5126 heartbleed.com 7.81/10 120 30 Aug 2018
5127 studentbeans.com 7.81/10 350,500 56,877 Jan 2026
5128 cox.com 7.81/10 1,624,700 73,112 Jun 2018
5129 rsa.com 7.81/10 8,400 4,868 Jun 2018
5130 webshopapp.com 7.81/10 - - Aug 2018
5131 webfoundation.org 7.81/10 26,900 737 Aug 2017
5132 egnyte.com 7.81/10 9,100 4,982 Jan 2016
5133 cgi.com 7.81/10 48,700 16,547 Aug 2018
5134 prweek.com 7.81/10 15,700 18,444 Dec 2023
5135 meb.gov.tr 7.81/10 1,700 747 Jan 2016
5136 companieshouse.gov.uk 7.81/10 - - Aug 2018
5137 wnba.com 7.81/10 2,663,300 42,585 Nov 2016
5138 fireside.fm 7.81/10 4,100 94 Jun 2018
5139 firstinspires.org 7.81/10 101,500 25,411 Jun 2018
5140 rbc.com 7.81/10 64,400 15,381 May 2017
5141 wma.net 7.81/10 10,000 9,436 Aug 2018
5142 westerndigital.com 7.81/10 259,900 20,956 Jan 2019
5143 stats.govt.nz 7.81/10 9,100 6,810 May 2021
5144 greenpeace.org.uk 7.81/10 23,300 8,393 Jul 2017
5145 pcloud.link 7.81/10 - - Sep 2020
5146 acehardware.com 7.81/10 4,563,200 934,793 Oct 2021
5147 aaha.org 7.81/10 79,000 27,990 Jul 2019
5148 audible.de 7.81/10 130 648 May 2017
5149 tinkercad.com 7.81/10 354,600 38,422 Aug 2017
5150 freenet.de 7.81/10 1,600 1,201 Feb 2019
5151 nfb.org 7.81/10 17,100 4,816 Feb 2019
5152 cricket.com.au 7.81/10 96,200 27,197 Aug 2018
5153 hudexchange.info 7.81/10 223,700 35,101 Jun 2017
5154 lip6.fr 7.81/10 100 49 Jan 2019
5155 renfe.com 7.81/10 41,100 20,020 Jun 2016
5156 chiesacattolica.it 7.81/10 950 1,703 Mar 2017
5157 merckmanuals.com 7.81/10 1,709,700 373,027 May 2024
5158 rthk.hk 7.81/10 1,600 642 Aug 2018
5159 ul.ie 7.81/10 10,400 6,444 Aug 2018
5160 bme.hu 7.81/10 1,300 299 Aug 2018
5161 openclipart.org 7.81/10 10,900 4,771 Jul 2017
5162 xtec.cat 7.81/10 330 950 Aug 2017
5163 couchsurfing.com 7.81/10 9,100 2,510 Nov 2019
5164 yahoo-net.jp 7.81/10 - - Jun 2020
5165 serviziocivile.it 7.81/10 - - Feb 2020
5166 bangordailynews.com 7.81/10 162,800 68,910 Aug 2017
5167 idf.org 7.81/10 34,100 8,369 Jul 2017
5168 thieme.de 7.81/10 450 401 Aug 2018
5169 womenshistorymonth.gov 7.81/10 25,700 498 Apr 2017
5170 twitcasting.tv 7.81/10 110 141 May 2017
5171 babson.edu 7.81/10 41,700 15,769 May 2019
5172 uncc.edu 7.81/10 - - Feb 2016
5173 htw-berlin.de 7.81/10 610 378 Aug 2018
5174 s-bb.nl 7.81/10 53 54 Aug 2018
5175 psychology.org.au 7.81/10 8,000 5,041 Jul 2021
5176 healthlinkbc.ca 7.81/10 69,400 60,135 Jun 2017
5177 spain.info 7.81/10 351,900 37,213 Jul 2020
5178 ulg.ac.be 7.81/10 - - May 2017
5179 hi.is 7.81/10 2,200 209 Oct 2018
5180 banquepopulaire.fr 7.81/10 2,200 1,681 Aug 2018
5181 christianpost.com 7.81/10 116,200 102,608 Jan 2016
5182 sfmoma.org 7.81/10 170,400 25,685 Jun 2018
5183 boku.ac.at 7.81/10 2,500 994 Aug 2018
5184 bsu.edu 7.81/10 243,200 37,148 May 2017
5185 businessfrance.fr 7.81/10 630 284 May 2017
5186 suny.edu 7.81/10 301,500 51,562 Aug 2018
5187 lacma.org 7.81/10 188,400 23,820 Aug 2018
5188 unrwa.org 7.81/10 65,900 14,751 Apr 2016
5189 detroitmi.gov 7.81/10 209,200 73,562 Jun 2018
5190 sacem.fr 7.81/10 170 123 Jan 2019
5191 science.org.au 7.81/10 38,200 18,230 Jun 2018
5192 unisi.it 7.81/10 920 422 Aug 2018
5193 iitk.ac.in 7.81/10 7,700 7,795 Aug 2018
5194 jcqhc.or.jp 7.81/10 - 1 Aug 2018
5195 presstv.ir 7.81/10 9,900 8,173 Sep 2021
5196 unicaen.fr 7.81/10 440 393 Aug 2018
5197 staatsbosbeheer.nl 7.81/10 66 205 Aug 2018
5198 pref.yamagata.jp 7.81/10 120 38 Mar 2023
5199 chambres-agriculture.fr 7.81/10 23 123 Jun 2020
5200 yano.co.jp 7.81/10 - 2 Apr 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).

Compare Bootstrap

Related UI frameworks

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018