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 62,410,529 websites that are HSTS Customers. We know of 40,530,158 live websites using HSTS and an additional 21,880,371 sites that used HSTS historically and 4,537,506 websites in the United States.
Get a list of 62,410,529 websites using HSTS which includes location information, hosting data, contact details, 40,530,158 currently live websites and an additional 5,578,048 domains that redirect to sites in this list. 21,880,371 sites that used this technology previouslyand 4,537,506 websites in the United States currently using HSTS.
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