You can use your browser's network inspector to see what's sent securely or not. In this case the browser tries to get a favicon for your page via https://www.english-the-easy-way.com/favicon.ico but is redirected.

You can use your browser's network inspector to see what's sent securely or not. In this case the browser tries to get a favicon for your page via https://www.english-the-easy-way.com/favicon.ico but is redirected.

Here's a screenshot of Firefox's network inspector. See how the marked line does not have a green padlock against it.

The network inspector in Firefox is part of the Web developer tools. Other browsers have similar capabilities.