Your site is running on insecure http protocol which is why it’s breaking. Make sure your server is setup with HTTPS and not HTTP and also setup redirect all traffic from http to https and set the strict transport security header either via server or in your code.
Make sure to update your URL in general settings to HTTPS, WordPress should handle the search and replace of all your urls.
You are also running on outdated PHP version which is no longer receiving security updates, you need to update to PHP 8+.
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This reply was modified 7 months, 3 weeks ago by Lukasz.