Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?

Question

This morning, upon upgrading my Firefox browser to the latest version (from 22 to 23), some of the key aspects of my back office (website) stopped working.

Looking a

Answer 1

Put the below tag into the section of your document to force the browser to replace unsecure connections (http) to secured connections (https). This can solve the mixed content problem if the connection is able to use https.

If you want to block then add the below tag into the tag: