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SGSiteGraph

Websites using Strict-Transport-Security (HSTS)

Forces browsers to only connect over HTTPS, preventing protocol-downgrade attacks.

417 websites in our index present this header.

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)?

417 websites in our index present this header.

Explore more: all security headers, technologies, or countries.