How Google will be detecting unsecured HTTP site
Google now and detect websites with HTTP Connection
Recent Google has announced an innovation that would detect and tell users on Chrome web browser when a user is visiting a site that is secured or not secured. Coming this year July 2018 , websites that on HTTP connection will be detected and marked as "Not secured", this will be indicated right in the address bar of Chrome browser.
Google has been warning every site owner on unsecured HTTP site to please move to more secured connect HTTPS