UI frameworks
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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 2.1.1 Complementary Technologies
Technologies frequently found with Bootstrap 2.1.1.
Live Bootstrap 2.1.1 Sites
276
Complementary Tech
138
Most Frequent Complementary Tech
Websites Using Bootstrap 2.1.1
An unordered, non-ranked list generated from observed technology data.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| nck12.com | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| ehillel.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| lowtance.com | 🇺🇸 United States | POWER LINE DATACENTER | February 14, 2026 |
| tenacrecds.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| wfbacademy.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| baysideacademy.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| hhprep.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| summeratcsb.com | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| lesriverainslevis.com | 🇨🇦 Canada | HostPapa | February 14, 2026 |
| csca.org | 🇨🇦 Canada | HostPapa | February 14, 2026 |
| magnificaths.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| blackbaudwebsiteportfolio.com | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| thepreschool.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| regisjesuit.com | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| jazzstoreonline.com | ðŸ‡ðŸ‡° Hong Kong | POWER LINE DATACENTER | February 14, 2026 |
| sac.on.ca | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| stcharlesprep.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| stpaulsmobile.net | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| ncs.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| mountsaintmary.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| mingovalley.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| tjs.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| nashobabrooks.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| yspb.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| integrandopacientes.com | 🇨🇦 Canada | OVH SAS | February 14, 2026 |
| realizetacoma.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| thecountryschool.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| gslsnovato.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| eaglebrook.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| calvarycca.com | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| bishopdiego.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| bailiant.com | 🇨🇳 China | Hangzhou Alibaba Advertising Co.,Ltd. | February 14, 2026 |
| gonzaga.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| ccaeagles.org | 🇺🇸 United States | Amazon.com, Inc. | February 14, 2026 |
| jollyrogeradventures.org | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| aprendete.com | 🇸🇬 Singapore | WebHorizon Internet Services | February 13, 2026 |
| dream-home.szczecin.pl | 🇵🇱 Poland | home.pl sp. z o.o. | February 13, 2026 |
| dsfuse.com | 🇨🇳 China | Shenzhen Tencent Computer Systems Company Limited | February 13, 2026 |
| jacksonholeclassicalacademy.org | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| strangevice.co.uk | 🇬🇧 United Kingdom | Krystal Hosting Ltd | February 13, 2026 |
| shp.org | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| fayerweather.org | 🇺🇸 United States | Amazon.com, Inc. | February 13, 2026 |
| stvm.com | 🇺🇸 United States | Amazon.com, Inc. | February 8, 2026 |
| vgh.de | 🇩🇪 Germany | noris network AG | February 7, 2026 |
| loyolanyc.org | 🇺🇸 United States | Amazon.com, Inc. | February 7, 2026 |
| prepforprep.org | 🇺🇸 United States | Amazon.com, Inc. | February 7, 2026 |
| fairfieldcountryday.org | 🇺🇸 United States | Amazon.com, Inc. | February 7, 2026 |
| highmeadows.org | 🇺🇸 United States | AT&T Enterprises, LLC | February 6, 2026 |
| htacademy.org | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| baoxiansi.xin | 🇨🇳 China | Huawei Cloud Service data center | 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 2.1.1 Identifiers
Who is using Bootstrap 2.1.1 and where.
Countries
Top 5 most detected countries for Bootstrap 2.1.1
ASNs
Top 5 most detected ASNs for Bootstrap 2.1.1
Languages
Top 5 most detected Languages for Bootstrap 2.1.1
TLDs
Top 5 most detected TLDs for Bootstrap 2.1.1
Most Frequent Bootstrap 2.1.1 Identifiers and Complementary Tech
Most frequently encountered identifiers for Bootstrap 2.1.1 and its complementary technologies.
| Technology | Sites |
|---|---|
| Nginx | 224 |
| HSTS | 222 |
| Google Analytics | 149 |
| Google Tag Manager | 94 |
| jQuery | 66 |
| PHP | 30 |
| YouTube | 23 |
| Cloudflare | 19 |
| HTTP/3 | 14 |
| Apache HTTP Server | 14 |
| Microsoft ASP.NET | 11 |
| Windows Server | 11 |
| IIS | 11 |
| MySQL | 10 |
| Juicer | 10 |
| WordPress | 10 |
| Cloudflare Browser Insights | 10 |
| metisMenu | 9 |
| Simpli.fi | 9 |
| SweetAlert | 8 |
| jQuery UI | 8 |
| theTradeDesk | 8 |
| iCheck | 8 |
| jQuery Migrate | 7 |
| Google Hosted Libraries | 7 |
| Moment.js | 7 |
| Modernizr | 6 |
| cdnjs | 6 |
| OWL Carousel | 6 |
| Lightbox | 5 |
| AddThis | 5 |
| Slick | 5 |
| Linkedin Ads | 5 |
| WOW | 5 |
| Google Maps | 4 |
| Contact Form 7 | 4 |
| CentOS | 4 |
| FitVids.JS | 4 |
| jQuery CDN | 4 |
| Weglot | 4 |
| Java | 3 |
| SnapWidget | 3 |
| WooCommerce | 3 |
| Adobe Fonts | 3 |
| Crazy Egg | 3 |
| jsDelivr | 3 |
| Yoast SEO | 3 |
| reCAPTCHA | 3 |
| Amazon Web Services | 3 |
| 3 |
| Language | Sites |
|---|---|
| English | 226 |
| Latin | 17 |
| French | 15 |
| German | 13 |
| Chinese | 12 |
| Portuguese | 6 |
| Spanish | 6 |
| Polish | 4 |
| Tagalog | 4 |
| Afrikaans | 3 |
| Yoruba | 3 |
| Dutch | 3 |
| Esperanto | 3 |
| Basque | 3 |
| Catalan | 3 |
| Malay | 2 |
| Italian | 2 |
| Russian | 2 |
| Danish | 2 |
| Lithuanian | 2 |
| Welsh | 2 |
| Swahili | 2 |
| Tswana | 1 |
| Zulu | 1 |
| Indonesian | 1 |
| Ganda | 1 |
| Norwegian Nynorsk | 1 |
| Estonian | 1 |
| Somali | 1 |
| Xhosa | 1 |
| Korean | 1 |
| Albanian | 1 |
| Hungarian | 1 |
| Norwegian Bokmål | 1 |
| Japanese | 1 |
| Czech | 1 |
| ASN | Sites |
|---|---|
| Amazon.com, Inc. | 207 |
| Cloudflare, Inc. | 15 |
| HostPapa | 7 |
| OVH SAS | 5 |
| Hetzner Online GmbH | 5 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 3 |
| POWER LINE DATACENTER | 3 |
| Bradler & Krantz GmbH & Co. KG | 2 |
| Aruba S.p.A. | 1 |
| West263 International Limited | 1 |
| Fastly, Inc. | 1 |
| Huawei Cloud Service data center | 1 |
| DigitalOcean, LLC | 1 |
| Akamai Connected Cloud | 1 |
| Start2 LLC | 1 |
| Internap Holding LLC | 1 |
| Google LLC | 1 |
| Infomaniak Network SA | 1 |
| TN-BB-AS Tunisia BackBone AS | 1 |
| home.pl sp. z o.o. | 1 |
| Microsoft Corporation | 1 |
| KDDI Web Communications Inc. | 1 |
| GoDaddy.com, LLC | 1 |
| Alibaba US Technology Co., Ltd. | 1 |
| WebHorizon Internet Services | 1 |
| Neue Medien Muennich GmbH | 1 |
| Beget LLC | 1 |
| Hostinger International Limited | 1 |
| Shenzhen Tencent Computer Systems Company Limited | 1 |
| InMotion Hosting, Inc. | 1 |
| Krystal Hosting Ltd | 1 |
| Grupo Loading Systems, S.L. | 1 |
| Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networ | 1 |
| NETFORMS s.r.o. | 1 |
| Korea Telecom | 1 |
| Namecheap, Inc. | 1 |
| ivv Informationsverarbeitung fuer Versicherungen GmbH | 1 |
| TLD | Sites |
|---|---|
| org | 168 |
| com | 51 |
| net | 8 |
| ca | 8 |
| de | 7 |
| edu | 7 |
| cn | 3 |
| on.ca | 2 |
| ch | 2 |
| eu | 2 |
| it | 1 |
| school | 1 |
| com.br | 1 |
| ru | 1 |
| co.uk | 1 |
| szczecin.pl | 1 |
| us | 1 |
| xin | 1 |
| hk | 1 |
| jp | 1 |
| academy | 1 |
| com.tn | 1 |
| poznan.pl | 1 |
| cz | 1 |
| work | 1 |
| qc.ca | 1 |
| info | 1 |
| mb.ca | 1 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 212 |
| 🇨🇦 Canada | 11 |
| 🇩🇪 Germany | 10 |
| 🇨🇳 China | 6 |
| ðŸ‡ðŸ‡° Hong Kong | 4 |
| 🇫🇷 France | 2 |
| 🇷🇺 Russia | 2 |
| 🇵🇱 Poland | 2 |
| 🇸🇬 Singapore | 2 |
| 🇬🇧 United Kingdom | 2 |
| 🇧🇷 Brazil | 1 |
| 🇮🇹 Italy | 1 |
| 🇪🇸 Spain | 1 |
| 🇹🇳 Tunisia | 1 |
| 🇯🇵 Japan | 1 |
| 🇰🇷 South Korea | 1 |
| 🇨🇿 Czech Republic | 1 |
| 🇨🇠Switzerland | 1 |