Websites using Bootstrap 4.1.3
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.
38.4k live Bootstrap 4.1.3 sites, ready to export.
That's how many Bootstrap 4.1.3 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every Bootstrap 4.1.3 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 4.1.3 websites on .com domains.
Only sites where an organisation phone number was found.
Websites Using Bootstrap 4.1.3
A sample of live Bootstrap 4.1.3 sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| lussk.cz | September 27, 2026 | |
| lojaskyglasscanela.com.br | September 27, 2026 | |
| lobpa.dk | September 27, 2026 | |
| lgforyou.it | September 27, 2026 | |
| kalivas.net | September 27, 2026 | |
| jagomotor.com | September 27, 2026 | |
| hyperlokal.id | September 27, 2026 | |
| hcm.edu.eg | September 27, 2026 | |
| gamzoapp.com | September 27, 2026 | |
| formenteravuela.com | September 27, 2026 |
How many websites use Bootstrap 4.1.3?
We found Bootstrap 4.1.3 on 38,427 websites in our September 2026 crawl, across 161 countries.
Which countries use Bootstrap 4.1.3 the most?
By number of websites, the top countries are United States (17%, 6,652 sites), Thailand (9%, 3,496 sites), Japan (5%, 1,809 sites), Germany (4%, 1,610 sites) and France (4%, 1,494 sites). Together they account for 39% of the 38,427 Bootstrap 4.1.3 sites we track. 37% of the sites are in English, and .com is the most used domain ending, on 42% of them.
Where are Bootstrap 4.1.3 websites hosted?
The networks carrying the most Bootstrap 4.1.3 sites are Cloudflare, Inc. (4,431 sites), CS LOXINFO Public Company Limited. (3,378 sites) and Amazon.com, Inc. (2,494 sites).
What technologies are used with Bootstrap 4.1.3?
Across the 38,427 Bootstrap 4.1.3 sites we track, the technologies most often found alongside it are jQuery (95%, 36,376 sites), Cloudflare (73%, 28,037 sites), cdnjs (69%, 26,414 sites), Popper (62%, 23,883 sites) and BootstrapCDN (61%, 23,411 sites).
Breakdown of Bootstrap 4.1.3 websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
jQuery | 36,376 |
Cloudflare | 28,037 |
cdnjs | 26,414 |
Popper | 23,883 |
BootstrapCDN | 23,411 |
PHP | 22,250 |
|
jQuery CDN | 14,517 |
Google Analytics | 13,382 |
Nginx | 12,065 |
| HSTS | 10,844 |
Apache HTTP Server | 10,517 |
MySQL | 8,953 |
WordPress | 8,858 |
OWL Carousel | 8,487 |
HTTP/3 | 8,120 |
jsDelivr | 7,455 |
|
jQuery Migrate | 6,998 |
Google Hosted Libraries | 6,857 |
Magnific Popup | 6,666 |
Google Tag Manager | 6,573 |
reCAPTCHA | 6,332 |
Modernizr | 5,807 |
jQuery UI | 5,652 |
Moment.js | 5,116 |
| imagesLoaded | 5,025 |
| Language | Sites |
|---|---|
| English | 14,319 |
| Thai | 2,662 |
| Portuguese | 1,748 |
| French | 1,734 |
| Japanese | 1,732 |
| Russian | 1,644 |
| Spanish | 1,596 |
| German | 1,453 |
| Dutch | 1,200 |
| Polish | 1,061 |
| Turkish | 844 |
| Italian | 789 |
| Latin | 735 |
| Chinese | 595 |
| Indonesian | 518 |
| Czech | 430 |
| Danish | 406 |
| Arabic | 254 |
| Tagalog | 234 |
| Vietnamese | 228 |
| Swedish | 215 |
| Romanian | 205 |
| Korean | 190 |
| Hungarian | 185 |
| Lithuanian | 180 |
| ASN | Sites |
|---|---|
| Cloudflare, Inc. | 4,431 |
| CS LOXINFO Public Company Limited. | 3,378 |
| Amazon.com, Inc. | 2,494 |
| OVH SAS | 1,408 |
| Liquid Web, L.L.C | 985 |
| Hetzner Online GmbH | 954 |
| Hostinger International Limited | 936 |
| DigitalOcean, LLC | 889 |
| Fastly, Inc. | 785 |
| Microsoft Corporation | 710 |
| IONOS SE | 634 |
| GoDaddy.com, LLC | 613 |
| Xserver Inc. | 534 |
| Google LLC | 522 |
| Cizgi Telekomunikasyon Anonim Sirketi | 394 |
| CLOUDFLARENET | 366 |
| GMO Internet, Inc. | 364 |
| Cloudflare London, LLC | 362 |
| SAKURA Internet Inc. | 338 |
| Akamai Connected Cloud | 331 |
| home.pl sp. z o.o. | 293 |
| Cyber_Folks S.A. | 291 |
| Psychz Networks | 236 |
| SIA VEESP | 236 |
| Aruba S.p.A. | 234 |
| TLD | Sites |
|---|---|
| com | 16,083 |
| org | 2,033 |
| br | 1,358 |
| ru | 1,217 |
| net | 1,059 |
| pl | 1,018 |
| nl | 989 |
| uk | 872 |
| de | 871 |
| fr | 712 |
| jp | 688 |
| it | 558 |
| th | 545 |
| cz | 437 |
| au | 407 |
| ca | 404 |
| in | 376 |
| dk | 361 |
| io | 330 |
| eu | 319 |
| ch | 315 |
| be | 309 |
| es | 268 |
| ar | 257 |
| tr | 245 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 6,652 |
| Unknown | 4,127 |
| 🇹🇭 Thailand | 3,496 |
| 🇯🇵 Japan | 1,809 |
| 🇩🇪 Germany | 1,610 |
| 🇫🇷 France | 1,494 |
| 🇧🇷 Brazil | 1,485 |
| 🇷🇺 Russia | 1,434 |
| 🇬🇧 United Kingdom | 1,307 |
| 🇳🇱 Netherlands | 1,304 |
| 🇵🇱 Poland | 1,188 |
| 🇮🇳 India | 939 |
| 🇮🇹 Italy | 808 |
| 🇹🇷 Turkey | 775 |
| 🇨🇦 Canada | 742 |
| 🇪🇸 Spain | 599 |
| 🇨🇳 China | 577 |
| 🇨🇿 Czech Republic | 486 |
| 🇦🇺 Australia | 465 |
| 🇩🇰 Denmark | 406 |
| 🇨🇭 Switzerland | 384 |
| 🇧🇪 Belgium | 350 |
| 🇸🇬 Singapore | 334 |
| 🇵🇹 Portugal | 294 |
| 🇦🇷 Argentina | 293 |
FAQ
Answers drawn from our latest crawl of Bootstrap 4.1.3 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.