Homepage appears as non secure, while all the other pages as secure

I have built the website with the link [ redundant link removed ]
When you first open the webpage it is rendered as non secure.( only the homepage). Than as you visit the other pages they are considered as secure and when I go back to my homepage it is considered secure. How is this possible?
Can someone help with a solution so I can make my homepage secure. I dont find any mixed content or something like that anywhere, so I could fix it.
I dont find the problem why homepage appears as non secure at first.
This happens for all browsers in mobile or desktop.

  • This topic was modified 21 hours, 3 minutes ago by Jan Dembowski. Reason: Moved to Fixing WordPress, this is not an Everything else WordPress topic

The page I need help with: [log in to see the link]

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