• Hi, on a performance/SEO/security check on WPMUDEV I got the following warning:

    While your site seems to be setup with an HTTPS URL for secure communication, there seem to be some encryption issues that invalidate it.
    http://gmpg.org/xfn/11 => N/A
    

    After some searching on the internet I have the impression that it’s not really an urgent problem, but is there a way to avoid such an error? Could I just change the header by changing the line
    esc_url( 'gmpg.org/xfn/11' ); ?>">
    to
    esc_url( 'https://gmpg.org/xfn/11' ); ?>">

    or is there a better way?

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