Websites using Bootstrap 3.x
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
551.6k live Bootstrap 3.x sites, ready to export.
That's how many Bootstrap 3.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every Bootstrap 3.x website we detected in the United States.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to Bootstrap 3.x websites on .com domains.
Only sites where an organisation phone number was found.
Which Bootstrap 3.x versions are most used?
We could read a version number on 98% of Bootstrap 3.x sites. Of those, the most common are Bootstrap 3.3.7, on 200,060 sites, Bootstrap 3 (exact), on 81,700 sites and Bootstrap 3.4.1, on 77,831 sites.
- Versions detected
- 17
- Sites with a version
- 539,253
Websites Using Bootstrap 3.x
A sample of live Bootstrap 3.x sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| madu777asia.com | September 28, 2026 | |
| madeinearth-store.jp | September 28, 2026 | |
| ma-ma.md | September 28, 2026 | |
| m77casino7.surf | September 28, 2026 | |
| m77casino7.buzz | September 28, 2026 | |
| m77casino7.lat | September 28, 2026 | |
| luxy.com.uy | September 28, 2026 | |
| luxurywatches.se | September 28, 2026 | |
| lucky-skull.com | September 27, 2026 | |
| lucadihome.com.br | September 27, 2026 |
How many websites use Bootstrap 3.x?
We found Bootstrap 3.x on 551,612 websites in our September 2026 crawl, across 205 countries.
Which countries use Bootstrap 3.x the most?
By number of websites, the top countries are United States (26%, 145,851 sites), Germany (5%, 25,815 sites), France (4%, 23,848 sites), United Kingdom (4%, 23,476 sites) and Japan (4%, 19,398 sites). Together they account for 43% of the 551,612 Bootstrap 3.x sites we track. 46% of the sites are in English, and .com is the most used domain ending, on 46% of them.
Where are Bootstrap 3.x websites hosted?
The networks carrying the most Bootstrap 3.x sites are Amazon.com, Inc. (85,684 sites), Cloudflare, Inc. (69,935 sites) and OVH SAS (17,875 sites).
What technologies are used with Bootstrap 3.x?
Across the 551,612 Bootstrap 3.x sites we track, the technologies most often found alongside it are jQuery (85%, 471,446 sites), PHP (55%, 304,107 sites), Cloudflare (36%, 198,303 sites), BootstrapCDN (36%, 196,050 sites) and Nginx (35%, 195,694 sites).
Breakdown of Bootstrap 3.x websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
jQuery | 471,446 |
PHP | 304,107 |
Cloudflare | 198,303 |
BootstrapCDN | 196,050 |
Nginx | 195,694 |
Google Analytics | 186,432 |
Google Hosted Libraries | 153,680 |
Apache HTTP Server | 146,772 |
cdnjs | 137,430 |
| HSTS | 133,846 |
HTTP/3 | 112,010 |
|
jQuery Migrate | 108,863 |
jQuery UI | 108,460 |
MySQL | 100,028 |
WordPress | 97,294 |
reCAPTCHA | 92,341 |
Google Tag Manager | 89,359 |
jsDelivr | 82,917 |
|
jQuery CDN | 77,693 |
Amazon Web Services | 61,088 |
OWL Carousel | 60,009 |
|
Cloudflare Browser Insights | 57,299 |
Microsoft ASP.NET | 53,465 |
OpenResty | 52,467 |
Slick | 50,777 |
| Language | Sites |
|---|---|
| English | 253,167 |
| Chinese | 36,303 |
| Indonesian | 27,688 |
| French | 27,292 |
| German | 22,881 |
| Japanese | 18,578 |
| Portuguese | 17,941 |
| Spanish | 17,890 |
| Dutch | 12,498 |
| Russian | 12,263 |
| Italian | 10,632 |
| Turkish | 8,363 |
| Polish | 7,568 |
| Latin | 6,284 |
| Vietnamese | 5,562 |
| Czech | 5,010 |
| Malay | 3,550 |
| Korean | 3,428 |
| Swedish | 3,099 |
| Thai | 3,054 |
| Greek | 2,586 |
| Danish | 2,577 |
| Tagalog | 2,464 |
| Hungarian | 2,110 |
| Romanian | 2,022 |
| ASN | Sites |
|---|---|
| Amazon.com, Inc. | 85,684 |
| Cloudflare, Inc. | 69,935 |
| OVH SAS | 17,875 |
| Microsoft Corporation | 14,477 |
| Hetzner Online GmbH | 14,282 |
| Cizgi Telekomunikasyon Anonim Sirketi | 13,187 |
| Google LLC | 13,098 |
| Hostinger International Limited | 9,994 |
| IONOS SE | 9,372 |
| CLOUDFLARENET | 8,575 |
| DigitalOcean, LLC | 8,187 |
| GoDaddy.com, LLC | 7,357 |
| Fastly, Inc. | 6,664 |
| SAKURA Internet Inc. | 5,966 |
| Data Communication Business Group | 5,143 |
| Xserver Inc. | 5,040 |
| Signet B.V. | 4,869 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 4,726 |
| AMAZON-02 | 4,344 |
| Cloudflare London, LLC | 3,992 |
| TotalChoice Hosting, LLC | 3,975 |
| Akamai Connected Cloud | 3,967 |
| Aruba S.p.A. | 3,852 |
| IX Reach Ltd | 3,761 |
| Rackspace Hosting | 3,494 |
| TLD | Sites |
|---|---|
| com | 251,446 |
| org | 26,738 |
| uk | 17,292 |
| de | 16,242 |
| net | 15,858 |
| br | 15,466 |
| fr | 11,892 |
| cn | 10,799 |
| nl | 9,672 |
| ru | 9,179 |
| jp | 8,069 |
| it | 7,468 |
| pl | 7,225 |
| tw | 6,411 |
| ca | 6,297 |
| xyz | 5,741 |
| au | 5,632 |
| cz | 5,085 |
| in | 4,868 |
| io | 4,105 |
| es | 4,010 |
| be | 3,774 |
| ch | 3,505 |
| eu | 3,180 |
| info | 3,150 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 145,851 |
| Unknown | 72,046 |
| 🇩🇪 Germany | 25,815 |
| 🇫🇷 France | 23,848 |
| 🇬🇧 United Kingdom | 23,476 |
| 🇯🇵 Japan | 19,398 |
| 🇨🇳 China | 18,872 |
| 🇹🇷 Turkey | 17,306 |
| 🇳🇱 Netherlands | 16,335 |
| 🇧🇷 Brazil | 16,043 |
| 🇨🇦 Canada | 12,928 |
| 🇷🇺 Russia | 11,436 |
| 🇮🇳 India | 11,378 |
| 🇮🇹 Italy | 10,623 |
| 🇪🇸 Spain | 8,433 |
| 🇵🇱 Poland | 8,243 |
| 🇹🇼 Taiwan | 7,637 |
| 🇦🇺 Australia | 6,552 |
| 🇨🇿 Czech Republic | 5,911 |
| 🇨🇭 Switzerland | 5,608 |
| 🇻🇳 Vietnam | 5,528 |
| 🇭🇰 Hong Kong | 5,299 |
| 🇧🇪 Belgium | 4,899 |
| 🇸🇬 Singapore | 4,024 |
| 🇮🇩 Indonesia | 3,732 |
FAQ
Answers drawn from our latest crawl of Bootstrap 3.x websites. Anything else, email us and we will look it up.
Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.