Wordpress Https Change
The fix is to go through all of the website and change all media (such as images, embeds/videos, etc) that say "http" to be a relative URL if on the same domain (as we discussed in the past) or https if on another domain.
For example, our website is loading
http://i.creativecommons.org/l/by-sa/4.0/88x31.png
And it should be changed to
https://i.creativecommons.org/l/by-sa/4.0/88x31.png
...that appears to be the only item that says 'http' on our main page, but if you encounter something like
Then it should be changed to
/wp-content/uploads/2018/06/Marcinted.jpg