Mixed Content: The page at 'https://.com/' was loaded over HTTPS, but requested an code example
Example: mixed content: the page at was loaded over https, but requested an insecure xmlhttprequest endpoint
Add below code to your index.php file for on the https
if((!empty( $_SERVER['HTTP_X_FORWARDED_HOST'])) || (!empty( $_SERVER['HTTP_X_FORWARDED_FOR'])) ) {
$_SERVER['HTTP_HOST'] = $_SERVER['HTTP_X_FORWARDED_HOST'];
$_SERVER['HTTPS'] = 'on';
}