Turn off helper text box of "insecure connection"

Bonjour Is it your question What do the security warning codes mean https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean Troubleshoot security error codes on secure websites https://support.mozilla.org/en-US/kb/error-codes-secure-websites If the error occurs on one site only, test it using SSL Labs https://www.ssllabs.com/ssltest Is it your question Insecure connection password warning in Firefox https://support.mozilla.org/en-US/kb/insecure-password-warning-firefox A discussion thread https://support.mozilla.org/en-US/questions/1507742 If you wish to test userChrome.css

I've made a website. fromspacestation https://fromspacestation.pages-perso.free.fr SSL Report https://www.ssllabs.com/ssltest/analyze.html?d=fromspacestation.pages-perso.free.fr Overall Rating A http://fromspacestation.free.fr Note: https://support.mozilla.org/en-US/kb/https-only-prefs Some websites only support HTTP and the connection cannot be upgraded. If HTTPS-Only Mode is enabled and an HTTPS version of a site is not available, you will see a Secure Site Not Available page.