Forces browsers to only communicate with the site using HTTPS.
https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security
SSL Certificates
Get access to data on 60,066,920 websites that are HSTS Customers. We know of 31,252,477 live websites using HSTS and an additional 28,814,443 sites that used HSTS historically and 3,730,019 websites in the United States.
Get a list of 60,066,920 websites using HSTS which includes location information, hosting data, contact details, 31,252,477 currently live websites and an additional 5,717,991 domains that redirect to sites in this list. 28,814,443 sites that used this technology previouslyand 3,730,019 websites in the United States currently using HSTS.
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