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.
mailchimp.com
Email & SMS Marketing Platform | Mailchimp
sagepub.com
Sage - a global academic publisher of educational resources | Home
deepl.com
DeepL AI Platform: Translation, Voice & API
icloud-content.com
iCloud - Apple Developer
okta.com
Secure Identity for Employees, Customers, and AI | Okta
mediatek.com
MediaTek | Home Page
opendns.com
Cloud Delivered Enterprise Security by OpenDNS
ea.com
Electronic Arts Home Page - Official EA Site
ubuntu.com
Enterprise Open Source and Linux | Ubuntu
ebay.com
Electronics, Cars, Fashion, Collectibles & More | eBay
adobe.com
Adobe: Creative, marketing and document management solutions
wordpress.org
Blog Tool, Publishing Platform, and CMS – WordPress.org
skype.com
Free Online Meetings & Video Calls | Microsoft Teams
bing.com
Search - Microsoft Bing
medium.com
Just a moment...
docker.io
Docker: Accelerated Container Application Development
fidelity.com
Fidelity International Usage Agreement
qualtrics.com
Qualtrics XM: The Leading Experience Management Software - Qualtrics
perplexity.ai
Just a moment...
xbox.com
XBOX Official Site: Consoles, Games, and Community | XBOX
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.