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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.
Disclaimer: The data used in this report is collected from the current VersionDB release (February 2026) containing a total of 12,727,168 domains. All statistics reflect this dataset and do not claim to represent all websites globally.
Bootstrap 4.1.2 Complementary Technologies
Technologies frequently found with Bootstrap 4.1.2.
Live Bootstrap 4.1.2 Sites
1.6k
Complementary Tech
316
Most Frequent Complementary Tech
Websites Using Bootstrap 4.1.2
An unordered, non-ranked list generated from observed technology data.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| prince2.se | 🇩🇪 Germany | Hetzner Online GmbH | February 13, 2026 |
| nusco.net | 🇯🇵 Japan | GMO GlobalSign Holdings K.K. | February 13, 2026 |
| urbanvillagehomes.com | 🇫🇷 France | Host Europe GmbH | February 13, 2026 |
| woodlingchiropractic.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| isades.org | 🇹🇷 Turkey | Cizgi Telekomunikasyon Anonim Sirketi | February 13, 2026 |
| historicproperties.com | 🇺🇸 United States | Microsoft Corporation | February 13, 2026 |
| customexteriorsreviews.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| akinik.com | 🇺🇸 United States | GoDaddy.com, LLC | February 13, 2026 |
| globalteacher.jp | 🇯🇵 Japan | SAKURA Internet Inc. | February 13, 2026 |
| 3lr.esp.br | 🇺🇸 United States | OVH SAS | February 13, 2026 |
| lernwelt-kirche.de | 🇩🇪 Germany | Amazon.com, Inc. | February 13, 2026 |
| rudysnursery.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| taqueriaellocal.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| jansladky.com | 🇨🇿 Czech Republic | WEDOS Internet, a.s. | February 13, 2026 |
| lastnitebarandgrill.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| timeupmarcacoes.com.br | 🇺🇸 United States | OVH SAS | February 13, 2026 |
| bertastap.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| dra-yokohama.jp | 🇯🇵 Japan | Xserver Inc. | February 13, 2026 |
| rendelsjoliet.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| southernwaterworkssupplyinc.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| spencerhandicappedassistance.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| elektro-roos.de | 🇩🇪 Germany | Neue Medien Muennich GmbH | February 13, 2026 |
| americanlegion1080.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| yogalifecntrreviews.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| allianceautobodymurfreesborotn.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| lessinsupplyco.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| professionalpaintingandconstruction.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| jimmyspizzail.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| theminnowbucketoxford.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| churtongrove.org | 🇺🇸 United States | Microsoft Corporation | February 13, 2026 |
| poligonogranda2.com | 🇩🇪 Germany | IONOS SE | February 13, 2026 |
| multiclinicmed.com.br | 🇺🇸 United States | HIVELOCITY, Inc. | February 13, 2026 |
| paducahrvparkreviews.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| transformationinaction.co.uk | 🇺🇸 United States | Akamai Connected Cloud | February 13, 2026 |
| bellabluebottoms.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| heathstudiosandtattoo.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| carrollstreasuresjewelry.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| operationcleanhealth.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| criswellheatingandcooling.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| directfloorsnwi.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| schweringexcavatingllc.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| bawialniakulka.pl | 🇫🇷 France | OVH SAS | February 13, 2026 |
| sridasmeshacademy.in | 🇺🇸 United States | Unified Layer | February 13, 2026 |
| rivercityalehouseil.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| lucyskitchenandcoffee.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| tdsheavytowingin.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| mlsautoclinic.com | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| fanextras.com | 🇺🇸 United States | Alibaba US Technology Co., Ltd. | February 6, 2026 |
| incitta.co.uk | 🇫🇷 France | OVH SAS | February 6, 2026 |
| refineryhairwdsm.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
Find Your Customers By Their Technologies
12,727,168 domains across 3,651 technologies. Ready for lead generation, market research, and security analysis.
Buy Now — $199.95 USDTop Bootstrap 4.1.2 Identifiers
Who is using Bootstrap 4.1.2 and where.
Countries
Top 5 most detected countries for Bootstrap 4.1.2
ASNs
Top 5 most detected ASNs for Bootstrap 4.1.2
Languages
Top 5 most detected Languages for Bootstrap 4.1.2
TLDs
Top 5 most detected TLDs for Bootstrap 4.1.2
Most Frequent Bootstrap 4.1.2 Identifiers and Complementary Tech
Most frequently encountered identifiers for Bootstrap 4.1.2 and its complementary technologies.
| Technology | Sites |
|---|---|
| jQuery | 1,645 |
| Popper | 1,450 |
| Cloudflare | 1,426 |
| cdnjs | 1,412 |
| BootstrapCDN | 1,353 |
| jQuery CDN | 1,270 |
| Microsoft ASP.NET | 1,050 |
| Slick | 1,045 |
| reCAPTCHA | 1,039 |
| Windows Server | 1,021 |
| IIS | 1,020 |
| Bootbox.js | 983 |
| Cleave.js | 979 |
| PHP | 402 |
| Apache HTTP Server | 261 |
| Google Analytics | 212 |
| Nginx | 173 |
| OWL Carousel | 147 |
| WordPress | 139 |
| MySQL | 139 |
| jQuery UI | 136 |
| HTTP/3 | 132 |
| Google Hosted Libraries | 125 |
| jQuery Migrate | 111 |
| Google Tag Manager | 106 |
| HSTS | 103 |
| jsDelivr | 101 |
| parallax.js | 99 |
| GSAP | 81 |
| Cloudflare Browser Insights | 74 |
| Contact Form 7 | 61 |
| Yoast SEO | 58 |
| Lightbox | 51 |
| FancyBox | 51 |
| OpenSSL | 50 |
| ProgressBar.js | 49 |
| YouTube | 43 |
| Unpkg | 42 |
| CentOS | 41 |
| Font Awesome | 41 |
| Google AdSense | 39 |
| LiteSpeed | 31 |
| Google Maps | 30 |
| Amazon Web Services | 29 |
| Modernizr | 29 |
| SweetAlert2 | 27 |
| Plesk | 25 |
| Amazon CloudFront | 24 |
| WOW | 23 |
| WordPress Block Editor | 22 |
| Language | Sites |
|---|---|
| English | 1,117 |
| Spanish | 75 |
| French | 67 |
| Japanese | 59 |
| German | 48 |
| Latin | 48 |
| Dutch | 34 |
| Portuguese | 34 |
| Italian | 29 |
| Chinese | 24 |
| Russian | 24 |
| Polish | 20 |
| Czech | 15 |
| Esperanto | 13 |
| Catalan | 11 |
| Norwegian Bokmål | 11 |
| Danish | 10 |
| Tagalog | 10 |
| Afrikaans | 9 |
| Thai | 9 |
| Welsh | 8 |
| Turkish | 8 |
| Tsonga | 8 |
| Finnish | 8 |
| Malay | 7 |
| Bosnian | 7 |
| Swedish | 7 |
| Southern Sotho | 7 |
| Swahili | 7 |
| Slovak | 6 |
| Norwegian Nynorsk | 6 |
| Shona | 6 |
| Romanian | 6 |
| Lithuanian | 5 |
| Basque | 5 |
| Ukrainian | 5 |
| Yoruba | 5 |
| Albanian | 5 |
| Vietnamese | 5 |
| Estonian | 4 |
| Hebrew | 3 |
| Tswana | 3 |
| Xhosa | 3 |
| Indonesian | 3 |
| Croatian | 3 |
| Hungarian | 2 |
| Serbian | 2 |
| Greek | 2 |
| Somali | 2 |
| Ganda | 1 |
| ASN | Sites |
|---|---|
| Amazon.com, Inc. | 1,034 |
| Cloudflare, Inc. | 84 |
| Akamai Connected Cloud | 51 |
| OVH SAS | 48 |
| IONOS SE | 28 |
| GMO Internet Group, Inc. | 25 |
| Microsoft Corporation | 24 |
| SAKURA Internet Inc. | 19 |
| DigitalOcean, LLC | 17 |
| Hostinger International Limited | 16 |
| Hetzner Online GmbH | 15 |
| Esmero Holding B.V. | 13 |
| Google LLC | 11 |
| Aruba S.p.A. | 9 |
| Xserver Inc. | 7 |
| GoDaddy.com, LLC | 7 |
| Cloudflare London, LLC | 7 |
| Neue Medien Muennich GmbH | 5 |
| Fastly, Inc. | 5 |
| InMotion Hosting, Inc. | 5 |
| Alibaba US Technology Co., Ltd. | 5 |
| Web4U s.r.o. | 5 |
| Beget LLC | 5 |
| Combell NV | 5 |
| Host Europe GmbH | 4 |
| VSHosting s.r.o. | 4 |
| Network Solutions, LLC | 4 |
| Strato GmbH | 4 |
| LH.pl Sp. z o.o. | 4 |
| Namecheap, Inc. | 4 |
| One.com A/S | 4 |
| VIETNAM POSTS AND TELECOMMUNICATIONS GROUP | 4 |
| WebSupport s.r.o. | 4 |
| cyon AG | 4 |
| Jsc ru-center | 4 |
| Unitas Global | 3 |
| home.pl sp. z o.o. | 3 |
| Oracle Corporation | 3 |
| Mexico Red de Telecomunicaciones, S. de R.L. de C.V. | 3 |
| Infomaniak Network SA | 3 |
| DC STAR nv | 3 |
| Academic Computer Centre CYFRONET AGH | 2 |
| JSC RTComm.RU | 2 |
| Sharktech | 2 |
| Weber Ltd | 2 |
| O2switch SAS | 2 |
| CS LOXINFO Public Company Limited. | 2 |
| Loopia AB | 2 |
| GMO GlobalSign Holdings K.K. | 2 |
| New Dream Network, LLC | 2 |
| TLD | Sites |
|---|---|
| com | 1,275 |
| net | 38 |
| de | 29 |
| com.br | 27 |
| org | 21 |
| co.uk | 18 |
| ru | 17 |
| jp | 16 |
| be | 15 |
| nl | 15 |
| fr | 13 |
| it | 9 |
| cz | 9 |
| pl | 9 |
| ca | 7 |
| co.jp | 7 |
| biz | 6 |
| com.tr | 6 |
| ch | 6 |
| es | 5 |
| eu | 5 |
| io | 5 |
| ovh | 5 |
| co | 4 |
| in | 4 |
| ro | 4 |
| co.il | 4 |
| com.au | 4 |
| org.ua | 3 |
| edu.pl | 3 |
| com.vn | 3 |
| com.tw | 3 |
| bet | 2 |
| mx | 2 |
| an.r.appspot.com | 2 |
| by | 2 |
| com.pl | 2 |
| gr | 2 |
| com.hk | 2 |
| tw | 2 |
| org.br | 2 |
| sk | 2 |
| xn--p1ai | 2 |
| shop | 2 |
| lt | 2 |
| partners | 2 |
| rs | 2 |
| com.ar | 2 |
| cl | 2 |
| ec | 2 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 1,199 |
| 🇯🇵 Japan | 63 |
| 🇩🇪 Germany | 52 |
| 🇫🇷 France | 40 |
| 🇳🇱 Netherlands | 30 |
| 🇷🇺 Russia | 25 |
| 🇵🇱 Poland | 17 |
| 🇬🇧 United Kingdom | 16 |
| 🇮🇹 Italy | 14 |
| 🇧🇪 Belgium | 11 |
| 🇨🇿 Czech Republic | 11 |
| 🇧🇷 Brazil | 10 |
| 🇨🇠Switzerland | 9 |
| 🇪🇸 Spain | 8 |
| 🇻🇳 Vietnam | 7 |
| 🇦🇺 Australia | 7 |
| 🇹🇷 Turkey | 6 |
| 🇸🇬 Singapore | 5 |
| 🇹🇠Thailand | 5 |
| 🇩🇰 Denmark | 5 |
| 🇫🇮 Finland | 4 |
| ðŸ‡ðŸ‡° Hong Kong | 4 |
| 🇸🇰 Slovakia | 4 |
| 🇮🇪 Ireland | 4 |
| 🇲🇽 Mexico | 3 |
| 🇱🇹 Lithuania | 3 |
| 🇺🇦 Ukraine | 3 |
| 🇨🇦 Canada | 3 |
| 🇨🇳 China | 3 |
| 🇹🇼 Taiwan | 3 |
| 🇨🇱 Chile | 2 |
| 🇦🇷 Argentina | 2 |
| 🇸🇪 Sweden | 2 |
| 🇮🇩 Indonesia | 2 |
| 🇧🇾 Belarus | 2 |
| 🇧🇬 Bulgaria | 2 |
| 🇮🇳 India | 2 |
| 🇸🇦 Saudi Arabia | 1 |
| 🇪🇪 Estonia | 1 |
| 🇮🇷 Iran | 1 |
| 🇮🇱 Israel | 1 |
| 🇧🇹 Bhutan | 1 |
| 🇧🇦 Bosnia and Herzegovina | 1 |
| 🇳🇴 Norway | 1 |
| 🇦🇹 Austria | 1 |
| 🇧🇩 Bangladesh | 1 |