EEv4 with LetsEncrypt SSL and Cloudflare always gives me mixed content issue even thought specified https


Lately I migrated to EEv4 and it gives me hard time on a running site.

I have a problem now that I installed EEv4 with LE SSL and it always gives mixed content issue. I also run it on Cloudflare.

The site is the same as the old one and mixed content errors caused by not specifying Https.

BUT I did specify HTTPS request. it is just unbelievable.

I want to load in other page (say test1).

(The resources i’m trying to load are:

  1. an IFrame with src poiting to the page:
  2. And also costumed peroxided errors get me the same error:

The error I get in the browser console:

Mixed Content: The page at ‘’ was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint ‘’. This request has been blocked; the content must be served over HTTPS.

What should I do?

Add a tag in the html header:

“<” meta http-equiv=“Content-Security-Policy” content=“upgrade-insecure-requests” /">"

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