Security
Visit www.rfc-editor.org
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
HSTS Complementary Technologies
Technologies frequently found with HSTS.
Live HSTS Sites
3M
Complementary Tech
3.1k
Most Frequent Complementary Tech
Websites Using HSTS
An unordered, non-ranked list generated from observed technology data.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| casabellapizza.com.au | 🇦🇺 Australia | Amazon.com, Inc. | February 8, 2026 |
| teachingtalking.com | 🇨🇦 Canada | Cloudflare, Inc. | February 8, 2026 |
| masaassist.com | 🇺🇸 United States | Iland Internet Solutions Corporation | February 8, 2026 |
| pethotelpendotiba.com | 🇺🇸 United States | Google LLC | February 6, 2026 |
| bsxlk.cn | 🇺🇸 United States | AROSSCLOUD INC. | February 6, 2026 |
| speedbox-tuning.us | 🇩🇪 Germany | Akamai Connected Cloud | February 6, 2026 |
| westlundpvf.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| roslerpiano.com | 🇨🇳 China | Hangzhou Alibaba Advertising Co.,Ltd. | February 6, 2026 |
| kosedo.studio | 🇨🇦 Canada | Cloudflare, Inc. | February 6, 2026 |
| memoriescraftershop.com | 🇺🇸 United States | Google LLC | February 6, 2026 |
| comfortablesmile.com | 🇺🇸 United States | Google LLC | February 6, 2026 |
| 2ssszz.com | 🇺🇸 United States | The Constant Company, LLC | February 6, 2026 |
| yubasciencefoundation.org | 🇺🇸 United States | PrivateSystems Networks | February 6, 2026 |
| tenjyudo.com | 🇺🇸 United States | Google LLC | February 6, 2026 |
| uoiuniforms.com | 🇨🇦 Canada | Cloudflare, Inc. | February 6, 2026 |
| arthabaskafermentation.ca | 🇨🇦 Canada | Cloudflare, Inc. | February 6, 2026 |
| vedtatt.no | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| recraft.pl | 🇵🇱 Poland | Nazwa.pl Sp.z.o.o. | February 6, 2026 |
| ecoproject-ambiente.com | 🇮🇹 Italy | Aruba S.p.A. | February 6, 2026 |
| paspireviollet.com | 🇺🇸 United States | Google LLC | February 6, 2026 |
| uxpvo-62bpm-xmqmmo.work | 🇭🇰 Hong Kong | Amazon.com, Inc. | February 6, 2026 |
| direct-windscreens.net | 🇺🇸 United States | Google LLC | February 6, 2026 |
| jessica-turner.de | 🇺🇸 United States | Cloudflare London, LLC | February 6, 2026 |
| friendshipresortandmarina.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| klaviyo-swag.myshopify.com | 🇨🇦 Canada | Cloudflare, Inc. | February 6, 2026 |
| invented-taste-019.notion.site | 🇺🇸 United States | Notion Labs, Inc. | February 6, 2026 |
| bruderlinconsultancy.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| brushybranchcampground.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| passionforfamilies.org | 🇺🇸 United States | Google LLC | February 6, 2026 |
| stephanandrew.com | 🇮🇪 Ireland | Amazon.com, Inc. | February 6, 2026 |
| sridhanvi.in | 🇺🇸 United States | Google LLC | February 6, 2026 |
| coldtofu.org | 🇺🇸 United States | Google LLC | February 6, 2026 |
| linkzp.com | 🇨🇳 China | Hangzhou Alibaba Advertising Co.,Ltd. | February 6, 2026 |
| flagstaff.ab.ca | 🇨🇦 Canada | Xplore Inc. | February 6, 2026 |
| houseofnyla.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| nirmitpolymer.net | 🇺🇸 United States | Google LLC | February 6, 2026 |
| marqueslda.pt | 🇫🇷 France | Contabo GmbH | February 6, 2026 |
| poppybow.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| undervaluedmusic.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| brucetharpelaw.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| myebbflow.com | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| nakulkundra.com | 🇺🇸 United States | Fastly, Inc. | February 6, 2026 |
| sollink.ai | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| dilaraphotography.com | 🇺🇸 United States | Google LLC | February 6, 2026 |
| bn94888.net | 🇺🇸 United States | Datacamp Limited | February 6, 2026 |
| nellies.store | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| rockandshine.nl | 🇩🇪 Germany | Hetzner Online GmbH | February 6, 2026 |
| edutv.co.in | 🇺🇸 United States | Google LLC | February 6, 2026 |
| bethelhumanresources.org | 🇺🇸 United States | Amazon.com, Inc. | February 6, 2026 |
| kth.hu | 🇭🇺 Hungary | Rendszerinformatika Zrt. | February 6, 2026 |
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Most Frequent HSTS Identifiers and Complementary Tech
Most frequently encountered identifiers for HSTS and its complementary technologies.
| Technology | Sites |
|---|---|
| HTTP/3 | 1,492,038 |
| jQuery | 1,135,880 |
| React | 946,389 |
| Google Cloud | 841,791 |
| Google Cloud CDN | 836,822 |
| Lodash | 834,524 |
| Wix | 823,333 |
| PHP | 806,563 |
| Cloudflare | 677,505 |
| Nginx | 631,153 |
| Google Analytics | 587,452 |
| MySQL | 528,185 |
| WordPress | 516,952 |
| jQuery Migrate | 415,446 |
| Google Tag Manager | 403,862 |
| Bootstrap | 387,780 |
| Apache HTTP Server | 320,616 |
| Envoy | 258,558 |
| reCAPTCHA | 200,292 |
| Yoast SEO | 200,213 |
| Cloudflare Browser Insights | 191,981 |
| Google Hosted Libraries | 165,131 |
| Cloudflare Bot Management | 151,533 |
| cdnjs | 150,516 |
| jsDelivr | 146,298 |
| YouTube | 142,113 |
| GoDaddy Website Builder | 141,222 |
| Shopify | 133,562 |
| Elementor | 127,613 |
| jQuery UI | 126,001 |
| Slick | 118,798 |
| Node.js | 118,683 |
| Vercel | 115,221 |
| Contact Form 7 | 114,719 |
| WordPress Block Editor | 110,048 |
| OWL Carousel | 102,855 |
| Amazon Web Services | 102,807 |
| Microsoft ASP.NET | 98,843 |
| Swiper | 96,990 |
| imagesLoaded | 92,201 |
| Modernizr | 88,886 |
| Lightbox | 85,586 |
| Font Awesome | 82,162 |
| OpenResty | 79,957 |
| Vue.js | 77,259 |
| Magnific Popup | 75,272 |
| Webpack | 74,012 |
| jQuery CDN | 73,910 |
| Site Kit | 70,083 |
| Underscore.js | 68,721 |
| Language | Sites |
|---|---|
| English | 1,661,473 |
| German | 281,289 |
| French | 239,919 |
| Latin | 179,210 |
| Chinese | 155,543 |
| Spanish | 126,951 |
| Dutch | 126,235 |
| Italian | 93,220 |
| Portuguese | 88,626 |
| Japanese | 85,560 |
| Russian | 77,312 |
| Tagalog | 75,964 |
| Welsh | 46,969 |
| Afrikaans | 46,126 |
| Danish | 45,228 |
| Swedish | 41,707 |
| Catalan | 38,966 |
| Esperanto | 38,375 |
| Polish | 37,531 |
| Norwegian Nynorsk | 35,304 |
| Yoruba | 34,631 |
| Norwegian Bokmål | 30,713 |
| Czech | 26,430 |
| Southern Sotho | 25,231 |
| Indonesian | 24,987 |
| Tsonga | 24,964 |
| Swahili | 24,743 |
| Turkish | 24,505 |
| Romanian | 24,110 |
| Finnish | 23,523 |
| Tswana | 23,355 |
| Lithuanian | 21,615 |
| Shona | 18,825 |
| Vietnamese | 18,304 |
| Xhosa | 17,923 |
| Ukrainian | 15,617 |
| Slovak | 14,619 |
| Malay | 14,385 |
| Basque | 14,325 |
| Albanian | 13,279 |
| Korean | 12,985 |
| Hungarian | 12,313 |
| Estonian | 11,850 |
| Somali | 10,520 |
| Croatian | 8,396 |
| Ganda | 8,298 |
| Zulu | 7,874 |
| Bosnian | 7,733 |
| Hebrew | 7,402 |
| Slovenian | 7,295 |
| ASN | Sites |
|---|---|
| Google LLC | 896,817 |
| Amazon.com, Inc. | 520,833 |
| Cloudflare, Inc. | 406,262 |
| Cloudflare London, LLC | 105,990 |
| Hetzner Online GmbH | 65,616 |
| OVH SAS | 54,161 |
| Microsoft Corporation | 49,858 |
| Fastly, Inc. | 46,722 |
| DigitalOcean, LLC | 34,242 |
| Infomaniak Network SA | 33,994 |
| IONOS SE | 28,436 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 20,965 |
| Akamai International B.V. | 17,921 |
| Domain names registrar REG.RU, Ltd | 15,525 |
| Hostinger International Limited | 14,836 |
| Neue Medien Muennich GmbH | 13,745 |
| Akamai Connected Cloud | 12,119 |
| Aruba S.p.A. | 11,858 |
| A2 Hosting, Inc. | 11,631 |
| Combell NV | 10,372 |
| LINKED STORE BRASIL CRIACAO E DESENVOL DE SOFTWARE | 9,794 |
| Namecheap, Inc. | 9,549 |
| The Constant Company, LLC | 9,530 |
| Alibaba US Technology Co., Ltd. | 9,370 |
| Bigcommerce Inc. | 8,690 |
| Signet B.V. | 8,530 |
| Network Solutions, LLC | 8,240 |
| netcup GmbH | 8,100 |
| DXTL Tseung Kwan O Service | 7,461 |
| GoDaddy.com, LLC | 7,417 |
| GMO Internet Group, Inc. | 6,728 |
| JSC IOT | 6,713 |
| SAKURA Internet Inc. | 6,632 |
| dogado GmbH | 6,603 |
| Host Europe GmbH | 6,539 |
| DigiRock, Inc. | 6,387 |
| Shenzhen Tencent Computer Systems Company Limited | 6,273 |
| Incapsula Inc | 5,995 |
| Megagroup.ru LLC | 5,843 |
| Tencent Building, Kejizhongyi Avenue | 5,822 |
| JSC Selectel | 5,690 |
| Contabo GmbH | 5,452 |
| Wix.com Ltd. | 5,434 |
| Mittwald CM Service GmbH & Co. KG | 5,422 |
| New Dream Network, LLC | 5,376 |
| Liquid Web, L.L.C | 5,255 |
| GNET INC. | 4,868 |
| Sucuri | 4,649 |
| Evo Cloud LLC | 4,633 |
| Scaleway S.a.s. | 4,619 |
| TLD | Sites |
|---|---|
| com | 1,558,989 |
| de | 146,578 |
| org | 144,283 |
| co.uk | 86,251 |
| net | 70,676 |
| fr | 61,845 |
| nl | 59,290 |
| ru | 52,765 |
| ch | 45,661 |
| com.au | 40,083 |
| com.br | 38,963 |
| ca | 37,996 |
| it | 29,428 |
| wixsite.com | 24,885 |
| be | 22,250 |
| at | 22,053 |
| cz | 18,818 |
| pl | 18,014 |
| jp | 17,488 |
| io | 16,422 |
| eu | 16,316 |
| co | 16,242 |
| se | 15,341 |
| cn | 15,339 |
| es | 15,199 |
| dk | 14,098 |
| in | 12,226 |
| ai | 11,686 |
| no | 11,582 |
| info | 11,029 |
| fi | 10,213 |
| co.jp | 8,825 |
| co.nz | 8,542 |
| com.ua | 7,752 |
| app | 7,379 |
| com.ar | 6,880 |
| xyz | 6,836 |
| hu | 6,748 |
| org.uk | 6,456 |
| shop | 6,344 |
| co.za | 6,320 |
| com.tw | 6,110 |
| sk | 5,890 |
| me | 5,643 |
| ro | 5,604 |
| us | 5,592 |
| ie | 5,488 |
| dev | 5,417 |
| cl | 5,405 |
| gr | 5,251 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 1,729,956 |
| 🇩🇪 Germany | 199,144 |
| 🇨🇦 Canada | 152,487 |
| 🇫🇷 France | 84,059 |
| 🇳🇱 Netherlands | 64,829 |
| 🇷🇺 Russia | 61,131 |
| 🇬🇧 United Kingdom | 48,016 |
| 🇨🇳 China | 45,848 |
| 🇨🇭 Switzerland | 44,434 |
| 🇯🇵 Japan | 42,789 |
| 🇭🇰 Hong Kong | 35,777 |
| 🇦🇺 Australia | 28,367 |
| 🇮🇪 Ireland | 27,408 |
| 🇸🇬 Singapore | 19,953 |
| 🇮🇹 Italy | 19,575 |
| 🇪🇸 Spain | 17,861 |
| 🇧🇷 Brazil | 17,574 |
| 🇧🇪 Belgium | 16,233 |
| 🇵🇱 Poland | 15,848 |
| 🇨🇿 Czech Republic | 15,144 |
| 🇫🇮 Finland | 11,167 |
| 🇮🇳 India | 10,659 |
| 🇻🇳 Vietnam | 9,605 |
| 🇺🇦 Ukraine | 9,244 |
| 🇸🇨 Seychelles | 7,915 |
| 🇸🇪 Sweden | 7,892 |
| 🇦🇹 Austria | 7,811 |
| 🇰🇷 South Korea | 6,872 |
| 🇩🇰 Denmark | 6,625 |
| 🇹🇷 Turkey | 5,879 |
| 🇹🇼 Taiwan | 5,684 |
| 🇮🇷 Iran | 5,643 |
| 🇭🇺 Hungary | 4,369 |
| 🇿🇦 South Africa | 3,843 |
| 🇲🇾 Malaysia | 3,623 |
| 🇳🇴 Norway | 3,514 |
| 🇸🇰 Slovakia | 3,421 |
| 🇪🇪 Estonia | 3,336 |
| 🇮🇩 Indonesia | 2,902 |
| 🇹🇭 Thailand | 2,864 |
| 🇵🇹 Portugal | 2,436 |
| 🇰🇿 Kazakhstan | 2,335 |
| 🇧🇾 Belarus | 2,165 |
| 🇧🇬 Bulgaria | 1,877 |
| 🇷🇴 Romania | 1,692 |
| 🇳🇿 New Zealand | 1,393 |
| 🇱🇹 Lithuania | 1,344 |
| 🇸🇮 Slovenia | 952 |
| 🇬🇷 Greece | 950 |
| 🇮🇸 Iceland | 931 |
| 🇦🇪 United Arab Emirates | 870 |
| 🇦🇷 Argentina | 820 |
| 🇨🇱 Chile | 772 |
| 🇸🇦 Saudi Arabia | 722 |
| 🇮🇱 Israel | 680 |
| 🇱🇺 Luxembourg | 625 |
| 🇱🇻 Latvia | 607 |
| 🇺🇿 Uzbekistan | 585 |
| 🇲🇽 Mexico | 537 |
| 🇳🇵 Nepal | 523 |
| 🇭🇷 Croatia | 479 |
| 🇧🇩 Bangladesh | 406 |
| 🇲🇩 Moldova | 403 |
| 🇷🇸 Serbia | 312 |
| 🇸🇲 San Marino | 250 |
| 🇨🇴 Colombia | 222 |
| 🇬🇪 Georgia | 183 |
| 🇯🇪 Jersey | 183 |
| 🇵🇪 Peru | 141 |
| 🇰🇬 Kyrgyzstan | 135 |
| 🇹🇿 Tanzania | 129 |
| 🇯🇴 Jordan | 129 |
| 🇨🇾 Cyprus | 127 |
| 🇪🇨 Ecuador | 126 |
| 🇵🇭 Philippines | 123 |
| 🇵🇰 Pakistan | 120 |
| 🇨🇺 Cuba | 111 |
| 🇺🇾 Uruguay | 101 |
| 🇨🇷 Costa Rica | 93 |
| 🇲🇳 Mongolia | 91 |
| 🇧🇦 Bosnia and Herzegovina | 90 |
| 🇧🇭 Bahrain | 89 |
| 🇲🇦 Morocco | 72 |
| 🇩🇿 Algeria | 71 |
| 🇪🇬 Egypt | 67 |
| 🇴🇲 Oman | 67 |
| 🇦🇲 Armenia | 66 |
| 🇱🇧 Lebanon | 64 |
| 🇹🇲 Turkmenistan | 64 |
| 🇰🇪 Kenya | 62 |
| 🇻🇪 Venezuela | 61 |
| 🇵🇾 Paraguay | 60 |
| 🇹🇳 Tunisia | 57 |
| 🇲🇴 Macau | 52 |
| 🇰🇭 Cambodia | 51 |
| 🇲🇰 North Macedonia | 51 |
| 🇶🇦 Qatar | 49 |
| 🇦🇿 Azerbaijan | 49 |
| 🇵🇦 Panama | 48 |
| 🇲🇹 Malta | 47 |
| 🇦🇽 Åland Islands | 47 |
| 🇳🇬 Nigeria | 44 |
| 🇱🇮 Liechtenstein | 44 |
| 🇧🇴 Bolivia | 43 |
| 🇪🇹 Ethiopia | 40 |
| 🇳🇦 Namibia | 39 |
| 🇮🇲 Isle of Man | 37 |
| 🇳🇨 New Caledonia | 37 |
| 🇲🇨 Monaco | 34 |
| 🇱🇰 Sri Lanka | 30 |
| 🇦🇴 Angola | 30 |
| 🇦🇱 Albania | 29 |
| 🇨🇮 Côte d'Ivoire | 28 |
| 🇰🇼 Kuwait | 28 |
| 🇸🇾 Syria | 25 |
| 🇲🇭 Marshall Islands | 25 |
| 🇧🇫 Burkina Faso | 23 |
| 🇧🇹 Bhutan | 21 |
| 🇭🇳 Honduras | 20 |
| 🇵🇷 Puerto Rico | 20 |
| 🇹🇯 Tajikistan | 20 |
| 🇲🇺 Mauritius | 19 |
| 🇲🇲 Myanmar | 19 |
| 🇱🇦 Laos | 19 |
| 🇵🇸 Palestine | 18 |
| 🇵🇫 French Polynesia | 17 |
| 🇺🇬 Uganda | 17 |
| 🇩🇴 Dominican Republic | 16 |
| 🇧🇸 Bahamas | 16 |
| 🇬🇱 Greenland | 16 |
| 🇹🇱 Timor-Leste | 16 |
| 🇷🇪 Réunion | 15 |
| 🇧🇿 Belize | 15 |
| 🇩🇲 Dominica | 15 |
| 🇧🇳 Brunei | 15 |
| 🇧🇼 Botswana | 14 |
| 🇧🇯 Benin | 14 |
| 🇬🇮 Gibraltar | 14 |
| 🇳🇮 Nicaragua | 14 |
| 🇬🇭 Ghana | 14 |
| 🇬🇹 Guatemala | 13 |
| 🇮🇶 Iraq | 13 |
| 🇲🇿 Mozambique | 12 |
| 🇯🇲 Jamaica | 11 |
| 🇦🇩 Andorra | 11 |
| 🇸🇳 Senegal | 11 |
| 🇲🇪 Montenegro | 9 |
| 🇱🇾 Libya | 9 |
| 🇹🇹 Trinidad and Tobago | 9 |
| 🇫🇴 Faroe Islands | 9 |
| 🇸🇻 El Salvador | 9 |
| 🇷🇼 Rwanda | 8 |
| 🇻🇦 Vatican City | 8 |
| 🇻🇬 British Virgin Islands | 8 |
| 🇲🇬 Madagascar | 7 |
| 🇨🇻 Cape Verde | 7 |
| 🇧🇲 Bermuda | 6 |
| 🇰🇾 Cayman Islands | 5 |
| 🇰🇵 North Korea | 5 |
| 🇽🇰 Kosovo | 5 |
| 🇿🇼 Zimbabwe | 5 |
| 🇵🇬 Papua New Guinea | 5 |
| 🇿🇲 Zambia | 5 |
| 🇬🇺 Guam | 5 |
| 🇾🇪 Yemen | 4 |
| 🇨🇼 Curaçao | 4 |
| 🇸🇩 Sudan | 4 |
| 🇲🇼 Malawi | 4 |
| 🇬🇲 Gambia | 4 |
| 🇨🇲 Cameroon | 4 |
| 🇬🇬 Guernsey | 3 |
| 🇬🇦 Gabon | 3 |
| 🇫🇯 Fiji | 3 |
| 🇸🇷 Suriname | 3 |
| 🇦🇬 Antigua and Barbuda | 3 |
| 🇬🇵 Guadeloupe | 3 |
| 🇼🇸 Samoa | 3 |
| 🇬🇫 French Guiana | 2 |
| 🇹🇴 Tonga | 2 |
| 🇦🇼 Aruba | 2 |
| 🇨🇬 Republic of the Congo | 2 |
| 🇩🇯 Djibouti | 2 |
| 🇦🇫 Afghanistan | 2 |
| 🇦🇮 Anguilla | 2 |
| 🇼🇫 Wallis and Futuna | 2 |
| 🇹🇬 Togo | 1 |
| 🇻🇮 U.S. Virgin Islands | 1 |
| 🇲🇻 Maldives | 1 |
| 🇬🇾 Guyana | 1 |
| 🇬🇼 Guinea-Bissau | 1 |
| 🇲🇱 Mali | 1 |
| 🇸🇴 Somalia | 1 |
| 🇸🇽 Sint Maarten | 1 |
| 🇰🇳 Saint Kitts and Nevis | 1 |
| 🇧🇮 Burundi | 1 |
| 🇱🇸 Lesotho | 1 |
| 🇲🇫 Saint Martin | 1 |
| 🇸🇹 São Tomé and Príncipe | 1 |
| 🇸🇱 Sierra Leone | 1 |
| 🇲🇷 Mauritania | 1 |
| 🇭🇲 Heard Island and McDonald Islands | 1 |
| 🇲🇶 Martinique | 1 |
| 🇹🇩 Chad | 1 |
| 🇵🇲 Saint Pierre and Miquelon | 1 |