Websites using Bootstrap 5.1.2
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.
861 live Bootstrap 5.1.2 sites, ready to export.
That's how many Bootstrap 5.1.2 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.
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Every Bootstrap 5.1.2 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 5.1.2 websites on .com domains.
Only sites where an organisation phone number was found.
Websites Using Bootstrap 5.1.2
A sample of live Bootstrap 5.1.2 sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| leadercar.es | September 27, 2026 | |
| 747live.pro | September 26, 2026 | |
| treatmenow.com | September 25, 2026 | |
| remucalcv2.nl | September 25, 2026 | |
| ranberr.com | September 25, 2026 | |
| ntoultimate.com.br | September 25, 2026 | |
| iustitiaeuropa.es | September 25, 2026 | |
| consamu.com.br | September 24, 2026 | |
| academiadelingles.com | September 24, 2026 | |
| luckycola.io | September 24, 2026 |
How many websites use Bootstrap 5.1.2?
We found Bootstrap 5.1.2 on 861 websites in our September 2026 crawl, across 63 countries.
Which countries use Bootstrap 5.1.2 the most?
By number of websites, the top countries are United States (18%, 156 sites), Brazil (11%, 94 sites), France (6%, 51 sites), Spain (6%, 49 sites) and United Kingdom (5%, 40 sites). Together they account for 45% of the 861 Bootstrap 5.1.2 sites we track. 40% of the sites are in English, and .com is the most used domain ending, on 40% of them.
Where are Bootstrap 5.1.2 websites hosted?
The networks carrying the most Bootstrap 5.1.2 sites are Cloudflare, Inc. (102 sites), Amazon.com, Inc. (85 sites) and Hetzner Online GmbH (72 sites).
What technologies are used with Bootstrap 5.1.2?
Across the 861 Bootstrap 5.1.2 sites we track, the technologies most often found alongside it are jQuery (73%, 628 sites), jsDelivr (72%, 620 sites), PHP (62%, 538 sites), Apache HTTP Server (35%, 305 sites) and Cloudflare (32%, 279 sites).
Breakdown of Bootstrap 5.1.2 websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
jQuery | 628 |
jsDelivr | 620 |
PHP | 538 |
Apache HTTP Server | 305 |
Cloudflare | 279 |
HTTP/3 | 255 |
Google Analytics | 254 |
Nginx | 208 |
OWL Carousel | 208 |
cdnjs | 191 |
Unpkg | 172 |
|
jQuery CDN | 172 |
reCAPTCHA | 171 |
| HSTS | 167 |
Google Tag Manager | 164 |
MySQL | 164 |
WordPress | 163 |
Google Hosted Libraries | 140 |
Popper | 132 |
| WOW | 123 |
|
jQuery Migrate | 122 |
LiteSpeed | 99 |
Yoast SEO | 99 |
jQuery UI | 98 |
Slick | 92 |
| Language | Sites |
|---|---|
| English | 348 |
| Spanish | 107 |
| Portuguese | 77 |
| French | 52 |
| Dutch | 28 |
| German | 24 |
| Latin | 20 |
| Czech | 17 |
| Italian | 11 |
| Tagalog | 11 |
| Arabic | 10 |
| Romanian | 10 |
| Chinese | 10 |
| Hungarian | 9 |
| Polish | 7 |
| Russian | 7 |
| Welsh | 6 |
| Esperanto | 6 |
| Thai | 6 |
| Tsonga | 6 |
| Turkish | 6 |
| Indonesian | 5 |
| Japanese | 5 |
| Swedish | 5 |
| Lithuanian | 4 |
| ASN | Sites |
|---|---|
| Cloudflare, Inc. | 102 |
| Amazon.com, Inc. | 85 |
| Hetzner Online GmbH | 72 |
| OVH SAS | 58 |
| Hostinger International Limited | 43 |
| GoDaddy.com, LLC | 38 |
| Under Servicos de Internet Ltda | 33 |
| IONOS SE | 22 |
| Namecheap, Inc. | 21 |
| DigitalOcean, LLC | 18 |
| Microsoft Corporation | 16 |
| Fastly, Inc. | 12 |
| Liquid Web, L.L.C | 10 |
| Google LLC | 9 |
| Akamai Connected Cloud | 8 |
| Aruba S.p.A. | 8 |
| Combell NV | 7 |
| Tilaa B.V. | 7 |
| A2 Hosting, Inc. | 6 |
| GANDI SAS | 6 |
| Locaweb Servicos de Internet S/A | 6 |
| O2switch SAS | 6 |
| AMAZON-02 | 5 |
| CYBERCON, INC. | 5 |
| CoreSpace, Inc. | 5 |
| TLD | Sites |
|---|---|
| com | 348 |
| br | 90 |
| es | 39 |
| org | 30 |
| nl | 23 |
| net | 19 |
| uk | 18 |
| fr | 16 |
| cz | 15 |
| ie | 15 |
| in | 14 |
| io | 14 |
| lk | 13 |
| de | 12 |
| au | 11 |
| ca | 11 |
| pl | 10 |
| hu | 9 |
| it | 9 |
| ai | 8 |
| eu | 7 |
| app | 6 |
| cl | 6 |
| ro | 6 |
| mx | 5 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 156 |
| 🇧🇷 Brazil | 94 |
| Unknown | 78 |
| 🇫🇷 France | 51 |
| 🇪🇸 Spain | 49 |
| 🇬🇧 United Kingdom | 40 |
| 🇩🇪 Germany | 36 |
| 🇮🇳 India | 34 |
| 🇳🇱 Netherlands | 30 |
| 🇮🇪 Ireland | 25 |
| 🇨🇿 Czech Republic | 20 |
| 🇫🇮 Finland | 20 |
| 🇨🇦 Canada | 17 |
| 🇮🇹 Italy | 16 |
| 🇱🇰 Sri Lanka | 15 |
| 🇦🇺 Australia | 14 |
| 🇵🇱 Poland | 12 |
| 🇸🇬 Singapore | 12 |
| 🇨🇾 Cyprus | 10 |
| 🇭🇺 Hungary | 9 |
| 🇹🇭 Thailand | 7 |
| 🇨🇭 Switzerland | 6 |
| 🇨🇱 Chile | 6 |
| 🇲🇽 Mexico | 6 |
| 🇷🇴 Romania | 6 |
FAQ
Answers drawn from our latest crawl of Bootstrap 5.1.2 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.