Websites Powered by Bootstrap

12,805,807 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 Jun 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 800 ms

Median site among 3,639,966 Bootstrap sites with Chrome UX data, p75 values, Jun 2026.

Top countries

United States 886,770
India 429,293
Germany 322,762
United Kingdom 295,976
France 279,130
Brazil 273,285
Italy 251,088
Spain 202,979

Sites using Bootstrap by audience country, Chrome UX Report.

Top sites by authority

9+ 48% · 180 of 372 sites
8+ 50% · 3,860 of 7,677 sites
7+ 42% · 18,993 of 45,712 sites
6+ 37% · 40,203 of 110,136 sites
5+ 30% · 74,817 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
3101 easterseals.com 8.08/10 10,500 9,663 Dec 2019
3102 taylorandfrancis.com 8.08/10 484,900 219,337 Jul 2018
3103 snazzymaps.com 8.08/10 19,600 4,937 Aug 2018
3104 ascendoor.com 8.08/10 12 27 Oct 2022
3105 clover.com 8.08/10 391,700 101,489 Jun 2018
3106 webbyawards.com 8.08/10 12,000 5,380 Aug 2018
3107 fedcourt.gov.au 8.08/10 4,000 4,287 Apr 2018
3108 rero.ch 8.08/10 - 1 Oct 2021
3109 solarwinds.com 8.08/10 76,100 19,515 Apr 2018
3110 doofinder.com 8.08/10 4,900 5,051 Oct 2020
3111 e-marketing.fr 8.08/10 340 453 Dec 2021
3112 pressgazette.co.uk 8.08/10 7,900 6,476 Feb 2020
3113 optica.org 8.08/10 6,100 2,655 Jan 2022
3114 vnexpress.net 8.08/10 49,700 42,240 Aug 2018
3115 myflorida.com 8.08/10 19,000 2,318 Apr 2018
3116 openwrt.org 8.08/10 23,000 13,582 Dec 2020
3117 lufthansa.com 8.08/10 322,100 93,970 Jun 2022
3118 paperform.co 8.08/10 22,400 11,277 Apr 2024
3119 defra.gov.uk 8.08/10 - - Aug 2018
3120 mk.co.kr 8.08/10 120,200 101,142 Jul 2020
3121 shutterfly.com 8.08/10 1,179,200 302,588 Aug 2018
3122 goodrx.com 8.08/10 9,025,800 1,624,563 Sep 2020
3123 bitcoin.com 8.08/10 3,200 4,429 Jun 2018
3124 libretexts.org 8.08/10 6,200 2,036 Apr 2018
3125 nihr.ac.uk 8.08/10 4,200 4,426 Aug 2018
3126 gvsu.edu 8.08/10 178,500 70,793 Aug 2018
3127 cmhc-schl.gc.ca 8.08/10 13,600 7,723 Jan 2019
3128 derstandard.de 8.08/10 900 1,672 Oct 2025
3129 ascd.org 8.08/10 143,200 10,796 Aug 2018
3130 kiva.org 8.08/10 24,700 6,366 Aug 2018
3131 hannovermesse.de 8.08/10 1,100 1,530 Nov 2019
3132 louisville.edu 8.08/10 244,200 78,167 Aug 2018
3133 dnb.nl 8.08/10 1,500 1,843 Jan 2023
3134 wired.it 8.08/10 4,300 4,480 Aug 2018
3135 geo.de 8.08/10 1,600 3,290 Nov 2021
3136 voedingscentrum.nl 8.08/10 410 754 Jan 2019
3137 city.kawasaki.jp 8.08/10 91 56 Mar 2020
3138 fapesp.br 8.08/10 190 22 Nov 2018
3139 jr-central.co.jp 8.08/10 49 103 Jul 2025
3140 unisa.edu.au 8.08/10 9,100 3,801 Aug 2018
3141 tdg.ch 8.08/10 1,500 2,026 Aug 2018
3142 bitrix24.ru 8.07/10 50 45 Dec 2019
3143 drata.com 8.07/10 6,000 3,581 Jul 2021
3144 openjdk.org 8.07/10 14,500 8,503 Mar 2026
3145 gohighlevel.com 8.07/10 54,700 8,269 Jul 2022
3146 worldpay.com 8.07/10 14,800 4,099 Aug 2018
3147 leetchi.com 8.07/10 180 221 Jun 2018
3148 onrender.com 8.07/10 - - Jun 2020
3149 tuvsud.com 8.07/10 14,700 7,086 Dec 2021
3150 markdownguide.org 8.07/10 45,600 26,422 Jan 2019
3151 applytojob.com 8.07/10 - - Aug 2018
3152 xerox.com 8.07/10 59,800 20,093 Apr 2018
3153 askjan.org 8.07/10 108,300 25,436 Aug 2018
3154 shopee.vn 8.07/10 33,100 32,184 Aug 2018
3155 motorola.com 8.07/10 165,100 37,292 Jun 2018
3156 nips.cc 8.07/10 570 526 Apr 2018
3157 nec.com 8.07/10 7,600 3,489 Oct 2018
3158 globaldata.com 8.07/10 696,200 151,274 Feb 2020
3159 questionpro.com 8.07/10 119,500 35,524 Apr 2018
3160 xrea.com 8.07/10 - 4 Aug 2018
3161 turnitin.com 8.07/10 66,100 17,268 May 2020
3162 ryanair.com 8.07/10 90,900 24,535 Aug 2018
3163 findagrave.com 8.07/10 2,021,300 386,004 May 2018
3164 xunta.gal 8.07/10 2,400 3,286 Aug 2018
3165 hln.be 8.07/10 13,600 17,063 Aug 2018
3166 facs.org 8.07/10 132,400 62,821 Aug 2018
3167 otago.ac.nz 8.07/10 20,200 9,311 Aug 2018
3168 indystar.com 8.07/10 921,500 367,182 Aug 2018
3169 lavoro.gov.it 8.07/10 220 536 Apr 2018
3170 ucc.ie 8.07/10 16,700 13,116 Apr 2018
3171 stltoday.com 8.07/10 50,800 55,746 Jun 2018
3172 ihs.gov 8.07/10 154,400 52,036 Apr 2018
3173 podatki.gov.pl 8.07/10 1,700 1,492 Feb 2019
3174 conseil-etat.fr 8.07/10 270 486 Jun 2019
3175 prefeitura.sp.gov.br 8.07/10 3,800 5,554 Jan 2019
3176 arcep.fr 8.07/10 100 309 Aug 2018
3177 uni-graz.at 8.07/10 570 361 Jun 2018
3178 umb.edu 8.07/10 170,000 92,928 Aug 2018
3179 pearltrees.com 8.07/10 2,300 1,013 May 2018
3180 earth.org 8.07/10 181,300 72,628 Feb 2021
3181 infomoney.com.br 8.07/10 10,700 15,329 Aug 2018
3182 lanouvellerepublique.fr 8.07/10 4,100 9,562 Apr 2018
3183 lesoir.be 8.07/10 3,700 6,614 May 2018
3184 laregion.fr 8.07/10 230 428 Jun 2020
3185 nouvelle-aquitaine.fr 8.07/10 140 164 Feb 2020
3186 umt.edu 8.07/10 154,100 52,031 Aug 2018
3187 uwv.nl 8.07/10 1,900 1,205 Aug 2018
3188 pref.gunma.jp 8.07/10 5 18 Jan 2019
3189 racgp.org.au 8.07/10 59,200 45,966 Nov 2018
3190 flinders.edu.au 8.07/10 7,800 4,781 Jun 2018
3191 utas.edu.au 8.07/10 21,300 12,064 Aug 2018
3192 monash.edu.au 8.07/10 - - May 2018
3193 domainname.de 8.06/10 - - Nov 2020
3194 cocoapods.org 8.06/10 1,700 1,715 Jun 2021
3195 2checkout.com 8.06/10 1,100 516 Feb 2020
3196 sumup.com 8.06/10 29,500 12,559 Feb 2020
3197 bugcrowd.com 8.06/10 7,200 3,693 Jul 2022
3198 qualys.com 8.06/10 5,300 5,544 Jun 2020
3199 memri.org 8.06/10 5,300 5,684 Jun 2023
3200 streamyard.com 8.06/10 51,700 12,169 Sep 2022

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.

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