Websites using Strict-Transport-Security (HSTS)
Forces browsers to only connect over HTTPS, preventing protocol-downgrade attacks.
415 websites in our index present this header.
gov.br
GOV.BR
chess.com
Chess.com - Play Chess Online - Free Games
worldbank.org
World Bank Group - International Development, Poverty and Sustainability
agoda.com
Agoda Official Site | Free Cancellation & Booking Deals | Over 2 Million Hotels
zoho.com
Zoho | Cloud Software Suite for Businesses
mega.co.nz
MEGA: Protect your Online Privacy
usps.com
Welcome | USPS
box.com
Box | AI-Powered Content Management, Workflow & Collaboration
visualstudio.com
Visual Studio: IDE and Code Editor for Software Development
brave.com
The browser that puts you first | Brave
walmart.com
Walmart | Save Money. Live better.
ibm.com
IBM
hubspot.com
HubSpot | Software & Tools for your Business - Homepage
cisco.com
AI Infrastructure, Secure Networking, and Software Solutions - Cisco
one.one
Domain names | Hosting | Email | WordPress | one.com
dropbox.com
Dropbox: Secure cloud storage, file sharing, and more
mozilla.org
Mozilla - Internet for people, not profit (US)
office.com
Microsoft 365 | Write, Create & Collaborate with AI
gandi.net
Gandi.net - Gandi.net: Domain Names, Web Hosting, SSL Certificates and Emails
kleinanzeigen.de
Kleinanzeigen – früher eBay Kleinanzeigen. Anzeigen gratis inserieren mit Kleinanzeigen
Frequently asked questions
What is Strict-Transport-Security (HSTS)?
Forces browsers to only connect over HTTPS, preventing protocol-downgrade attacks.
How many websites in the SiteGraph index present Strict-Transport-Security (HSTS)?
415 websites in our index present this header.
Explore more: all security headers, technologies, or countries.