HSTS

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Lead List Exporter

12.8M live HSTS sites, ready to export.

That's how many HSTS 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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HSTS companies in the United States

Every HSTS website we detected in the US.

Companies with personnel emails

Only sites where a personal, company-hosted email was found.

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 HSTS sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to HSTS websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

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Complementary Technologies

HSTS Complementary Technologies

Technologies frequently found with HSTS.

Most Frequent Complementary Tech
HTTP/3 6,524,949
Bootstrap 4,337,258
jQuery 4,203,903
React 3,706,208
Google Cloud 3,302,846
Google Cloud CDN 3,278,171
Lodash 3,238,980
Wix 3,201,455
PHP 3,145,458
Cloudflare 3,124,889
Live Websites

Websites Using HSTS

Live sites we caught running HSTS in the wild, straight from the latest crawl.

DomainServer LocationASNCrawl Date
brandmr.nl๐Ÿ‡ณ๐Ÿ‡ฑ NetherlandsAmazon.com, Inc.July 28, 2026
cnaligned.com๐Ÿ‡จ๐Ÿ‡ณ ChinaEGIHostingJuly 28, 2026
thelabourmovement.com UnknownCloudflare, Inc.July 28, 2026
nuvrah.com๐Ÿ‡ฎ๐Ÿ‡ณ IndiaCloudflare, Inc.July 28, 2026
lowopen.cfd๐Ÿ‡ฐ๐Ÿ‡ฟ KazakhstanLLP Internet company First PageJuly 28, 2026
blue-stone.net๐Ÿ‡ธ๐Ÿ‡ฌ SingaporeDigitalOcean, LLCJuly 28, 2026
colonyheating.com๐Ÿ‡บ๐Ÿ‡ธ United StatesIONOS SEJuly 28, 2026
download-pdf-ebooks.com UnknownCloudflare, Inc.July 28, 2026
chunyangroup.com๐Ÿ‡ฒ๐Ÿ‡ฉ MoldovaAva Host SrlJuly 28, 2026
lekotools.com.ua๐Ÿ‡บ๐Ÿ‡ฆ UkraineEvo Cloud LLCJuly 28, 2026
Identifiers

Top HSTS Identifiers

Who is using HSTS and where: top five by detected sites.

Technology
HTTP/3 6,524,949
Bootstrap 4,337,258
jQuery 4,203,903
React 3,706,208
Google Cloud 3,302,846
Language
English 6,936,121
German 855,569
French 676,743
Chinese 604,328
Spanish 422,188
ASN
Google LLC 3,419,568
Amazon.com, Inc. 2,353,340
Cloudflare, Inc. 2,309,853
Hetzner Online GmbH 240,427
Fastly, Inc. 195,626
TLD
com 6,910,453
org 535,745
de 532,744
uk 400,851
net 299,574
Country
Unknown 4,567,462
United States 2,700,254
Germany 712,735
United Kingdom 488,033
France 367,362
Deep Dive

Most Frequent HSTS Identifiers and Complementary Tech

Most frequently encountered identifiers for HSTS and its complementary technologies.

TechnologySites
HTTP/36,524,949
Bootstrap4,337,258
jQuery4,203,903
React3,706,208
Google Cloud3,302,846
Google Cloud CDN3,278,171
Lodash3,238,980
Wix3,201,455
PHP3,145,458
Cloudflare3,124,889
Nginx2,388,338
MySQL2,195,012
Google Analytics2,125,414
WordPress2,076,262
jQuery Migrate1,624,300
Google Tag Manager1,364,159
Apache HTTP Server1,135,410
Shopify990,365
GoDaddy Website Builder784,452
Yoast SEO765,338
Cloudflare Browser Insights737,230
reCAPTCHA699,170
Cloudflare Bot Management610,896
Google Hosted Libraries586,781
Vercel574,869