Websites Powered by Bootstrap
13,035,577 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
2M
4M
6M
Apr 2018
May 2020
Jul 2022
Aug 2024
Sep 2026
Domains observed using Bootstrap in each month's HTTP Archive crawl,
Apr 2018 to Sep 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 3,550,808 Bootstrap sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
758,929
India
368,409
Germany
277,428
United Kingdom
255,833
Brazil
241,343
France
234,434
Italy
222,549
Spain
183,194
Sites using Bootstrap by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 57.61% | 4,631 |
| Automotive | 43.08% | 29,917 |
| Real estate | 38.12% | 27,032 |
| Restaurants and food | 29.56% | 40,363 |
| Finance and insurance | 28.11% | 4,663 |
| News and media | 26.78% | 11,271 |
| Arts and entertainment | 25.17% | 10,391 |
| Education | 24.72% | 12,318 |
| Travel and hospitality | 23.98% | 17,826 |
| Pets and animals | 23.98% | 662 |
| Industrial and manufacturing | 21.44% | 930 |
| Healthcare | 20.02% | 21,335 |
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% · 181 of 372 sites
8+
50% · 3,817 of 7,677 sites
7+
41% · 18,570 of 45,712 sites
6+
35% · 39,005 of 110,136 sites
5+
29% · 72,373 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
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | google.com | 10.00/10 | 36,640,600 | 1,601,732 | Aug 2018 |
| 2 | twitter.com | 9.82/10 | 2,935,600 | 2,651,702 | Apr 2022 |
| 3 | cloudflare.com | 9.78/10 | 984,600 | 93,222 | May 2019 |
| 4 | apple.com | 9.66/10 | 12,947,600 | 1,709,217 | Aug 2018 |
| 5 | europa.eu | 9.57/10 | 42,200 | 31,835 | Aug 2018 |
| 6 | microsoft.com | 9.54/10 | 11,686,100 | 988,151 | Aug 2018 |
| 7 | amazonaws.com | 9.50/10 | - | - | Aug 2018 |
| 8 | adobe.com | 9.48/10 | 8,627,700 | 1,068,559 | Aug 2018 |
| 9 | bootstrapcdn.com | 9.48/10 | 3,800 | 543 | Jan 2016 |
| 10 | cloudfront.net | 9.47/10 | - | - | Aug 2018 |
| 11 | amazon.com | 9.47/10 | 351,206,500 | 41,126,511 | Aug 2018 |
| 12 | nih.gov | 9.44/10 | 301,200 | 37,339 | Aug 2018 |
| 13 | github.io | 9.43/10 | 1,800 | 1 | Aug 2018 |
| 14 | spotify.com | 9.40/10 | 2,864,300 | 78,065 | Jun 2018 |
| 15 | blogspot.com | 9.39/10 | - | - | Jan 2016 |
| 16 | godaddy.com | 9.38/10 | 853,200 | 110,962 | Jul 2019 |
| 17 | paypal.com | 9.36/10 | 4,830,900 | 336,712 | Aug 2018 |
| 18 | yandex.ru | 9.35/10 | 32,200 | 67,587 | Oct 2023 |
| 19 | stripe.com | 9.35/10 | 528,300 | 117,334 | Feb 2021 |
| 20 | qq.com | 9.34/10 | 2,200 | 163 | Aug 2018 |
| 21 | office.com | 9.34/10 | 1,707,400 | 30,278 | Aug 2018 |
| 22 | archive.org | 9.34/10 | 3,957,300 | 1,511,177 | May 2017 |
| 23 | baidu.com | 9.33/10 | 27,100 | 357 | Aug 2018 |
| 24 | w3.org | 9.32/10 | 383,900 | 97,788 | Jul 2021 |
| 25 | cdc.gov | 9.31/10 | 14,977,400 | 1,767,892 | Aug 2018 |
| 26 | doi.org | 9.30/10 | 18,700 | 24,752 | Mar 2023 |
| 27 | zoom.us | 9.29/10 | 682,200 | 64,680 | Jun 2018 |
| 28 | forbes.com | 9.28/10 | 11,895,600 | 3,957,523 | Jan 2019 |
| 29 | tumblr.com | 9.27/10 | 5,146,200 | 2,235,020 | Mar 2016 |
| 30 | yahoo.com | 9.27/10 | 16,064,700 | 10,883,592 | Aug 2018 |
| 31 | washingtonpost.com | 9.26/10 | 2,034,200 | 1,255,983 | Aug 2018 |
| 32 | unsplash.com | 9.26/10 | 4,799,000 | 829,828 | Aug 2018 |
| 33 | who.int | 9.26/10 | 3,114,700 | 778,407 | Aug 2018 |
| 34 | wikimedia.org | 9.25/10 | 26,200 | 5,466 | Aug 2018 |
| 35 | weebly.com | 9.24/10 | 162,400 | 11,089 | May 2017 |
| 36 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Aug 2018 |
| 37 | calendly.com | 9.23/10 | 215,100 | 33,025 | May 2024 |
| 38 | line.me | 9.23/10 | 57,900 | 397 | Jan 2019 |
| 39 | bund.de | 9.23/10 | - | - | Aug 2018 |
| 40 | theguardian.com | 9.23/10 | 15,181,100 | 3,912,803 | Aug 2018 |
| 41 | ca.gov | 9.23/10 | 1,457,100 | 28,722 | Jun 2018 |
| 42 | wix.com | 9.22/10 | 1,204,700 | 135,119 | Feb 2021 |
| 43 | hubspot.com | 9.22/10 | 238,300 | 45,665 | Aug 2018 |
| 44 | apache.org | 9.21/10 | 35,700 | 6,177 | Jan 2016 |
| 45 | dropbox.com | 9.21/10 | 984,800 | 123,932 | Aug 2018 |
| 46 | un.org | 9.21/10 | 2,209,200 | 439,253 | Aug 2016 |
| 47 | fb.com | 9.20/10 | 1 | 4 | Aug 2018 |
| 48 | opera.com | 9.20/10 | 153,200 | 22,019 | Aug 2018 |
| 49 | live.com | 9.20/10 | 1 | 1 | Jan 2019 |
| 50 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Jan 2016 |
| 51 | bbc.co.uk | 9.18/10 | 6,004,800 | 2,144,161 | Aug 2018 |
| 52 | mit.edu | 9.18/10 | 163,800 | 31,239 | Aug 2018 |
| 53 | admin.ch | 9.18/10 | 4,200 | 753 | Jun 2018 |
| 54 | dataprivacyframework.gov | 9.17/10 | 3,200 | 3,587 | Aug 2023 |
| 55 | oracle.com | 9.16/10 | 1,406,200 | 203,855 | Aug 2018 |
| 56 | eventbrite.com | 9.16/10 | 2,466,100 | 1,142,382 | Feb 2020 |
| 57 | cnn.com | 9.16/10 | 15,960,900 | 3,032,217 | Aug 2018 |
| 58 | ftc.gov | 9.16/10 | 919,300 | 216,968 | Dec 2020 |
| 59 | npr.org | 9.16/10 | 10,575,400 | 2,190,168 | Aug 2018 |
| 60 | amazon.co.jp | 9.16/10 | 56,200 | 85,866 | Aug 2018 |
| 61 | tinyurl.com | 9.15/10 | 115,100 | 2,095 | Jul 2021 |
| 62 | springer.com | 9.15/10 | 9,000 | 5,811 | Aug 2018 |
| 63 | bbc.com | 9.15/10 | 22,108,300 | 3,677,321 | Aug 2018 |
| 64 | nasa.gov | 9.15/10 | 2,715,500 | 372,280 | Jun 2018 |
| 65 | pages.dev | 9.14/10 | - | - | Jun 2021 |
| 66 | trustpilot.com | 9.14/10 | 4,788,100 | 791,788 | Aug 2018 |
| 67 | trustindex.io | 9.14/10 | 48,000 | 59,950 | Sep 2020 |
| 68 | cnil.fr | 9.14/10 | 3,100 | 2,187 | Aug 2022 |
| 69 | reuters.com | 9.14/10 | 4,976,200 | 1,589,888 | Jan 2019 |
| 70 | wiley.com | 9.14/10 | 76,900 | 33,308 | Feb 2018 |
| 71 | fda.gov | 9.14/10 | 4,271,000 | 880,054 | Aug 2018 |
| 72 | usda.gov | 9.14/10 | 476,600 | 147,178 | Aug 2018 |
| 73 | bunny.net | 9.13/10 | 61,900 | 3,491 | Mar 2021 |
| 74 | klaviyo.com | 9.13/10 | 69,000 | 15,790 | May 2017 |
| 75 | e-recht24.de | 9.13/10 | 25 | 139 | Jan 2016 |
| 76 | jotform.com | 9.13/10 | 356,800 | 135,549 | Jul 2020 |
| 77 | ibm.com | 9.13/10 | 11,139,500 | 518,522 | Aug 2018 |
| 78 | wsj.com | 9.13/10 | 3,123,700 | 1,076,427 | Aug 2018 |
| 79 | nature.com | 9.13/10 | 4,250,400 | 2,211,060 | Oct 2016 |
| 80 | amazon.de | 9.13/10 | 112,300 | 182,017 | Aug 2018 |
| 81 | irs.gov | 9.13/10 | 19,016,800 | 2,129,096 | Jun 2018 |
| 82 | epa.gov | 9.13/10 | 3,829,800 | 580,699 | Aug 2018 |
| 83 | myshopify.com | 9.12/10 | - | - | May 2017 |
| 84 | xing.com | 9.12/10 | 1,000 | 7,689 | Aug 2018 |
| 85 | bloomberg.com | 9.12/10 | 5,955,500 | 1,460,211 | Aug 2018 |
| 86 | nist.gov | 9.12/10 | 677,600 | 130,365 | Aug 2018 |
| 87 | afternic.com | 9.11/10 | 4,200 | 1,398 | Mar 2024 |
| 88 | squarespace.com | 9.11/10 | 240,100 | 36,138 | Aug 2018 |
| 89 | prnewswire.com | 9.11/10 | 1,838,500 | 1,198,803 | Jan 2016 |
| 90 | twitch.tv | 9.11/10 | 3,327,900 | 1,006,123 | Aug 2018 |
| 91 | rakuten.co.jp | 9.11/10 | 9,200 | 1,689 | Aug 2018 |
| 92 | zendesk.com | 9.10/10 | 416,900 | 60,938 | Aug 2018 |
| 93 | salesforce.com | 9.10/10 | 1,368,700 | 131,215 | Jun 2018 |
| 94 | ft.com | 9.10/10 | 698,500 | 489,218 | Jan 2019 |
| 95 | openai.com | 9.10/10 | 1,962,300 | 167,582 | Aug 2018 |
| 96 | berkeley.edu | 9.10/10 | 166,900 | 5,412 | Jun 2018 |
| 97 | cornell.edu | 9.10/10 | 242,100 | 23,854 | Aug 2018 |
| 98 | hhs.gov | 9.10/10 | 1,465,200 | 282,522 | Jan 2016 |
| 99 | ietf.org | 9.09/10 | 23,000 | 5,477 | Aug 2018 |
| 100 | cloudinary.com | 9.09/10 | 93,500 | 30,227 | Jun 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
- Bootstrap vs Animate.css
- Bootstrap vs Tailwind CSS
- Bootstrap vs ZURB Foundation
- Bootstrap vs Radix UI
- Bootstrap vs shadcn/ui