If the Google Snippet Preview and Content Analysis don’t work, it’s probably because you have an issue with your server configuration.
Please contact your webhost with these informations.
The requests are performed from the same host/server.
If they try to use this function with your domain from your own domain/server, it will return a 403 / 443 error.
The function used is the following: wp_remote_get
Sign in to your Cloudflare account, select your site, and go to SSL/TLS, Edge Certificates, Minimum TLS Version section and choose “TLS 1.0 (default)“.
Save changes. The content analysis should now work as expected.