For the longest time, all browsers will always use HTTP in schemeless URLs (when HTTP or HTTPS is not specified). Chrome is flipping this with version 90  Chapters*  HTTPS by Default * What happens Today * What will happen in Chrome 90 * HSTS? * is HTTPS everywhere dead? * How to Enable Video https://youtu.be/XrlfX0duLKQhttps://latesthackingnews.com/2021/03/01/google-will-launch-https-first-approach-with-urls-from-chrome-90