5 Stars4 Stars3 Stars2 Stars1 Star (15 votes, average: 5.00 out of 5) What Is HSTS (HTTP Strict Transport Security)?Last Modified: October 22, 2026 TL;DR HSTS (HTTP Strict Transport Security) is a web security policy that tells browsers to connect to a website only over HTTPS. Once a browser receives the Strict-Transport-Security header, it…