Chrome
- Go to chrome://net-internals/#hsts. Enter the domain under Delete domain security policies and press the Delete button.
- Go to
chrome://settings/clearBrowserData
, tick the box Cached images and files and press click the button Clear data.
Firefox
or
Go to Library -> History -> Show all history.
Right-click on an entry for the site and choose: Forget about this site.
References
- https://superuser.com/questions/565409/how-to-stop-an-automatic-redirect-from-http-to-https-in-chrome
- https://stackoverflow.com/questions/30532471/firefox-redirects-to-https