Slow and warning messages on new install

Newbie alert…

Just installed a letsencrypt certificate on my siteground domain using the automated option in cpanel.

Attempting to go to my frontpage ( is VERY slow and ultimatly results in a warning message:

This server could not prove that it is; its security certificate is from * This may be caused by a misconfiguration or an attacker intercepting your connection.

Is this expected?


No. That means it is not installed correctly. It is still SiteGround's wildcard certificate being served instead of yours.


I found this at

The shared SSL is installed globally on the server and all clients can use it. Its certificate is self-signed and is configured to work with SiteGround server's name. That's why it will always show a pop-up warning when used.

The pop-up warning seems to have morphed into a complete block, at least on chrome.

Does this suggest that a letsencrypt certificate on a shared SSL account is in fact pretty useless?


No, this is an issue with the site’s SSL/TLS configuration, not a problem that affects shared hosting plans in general. I don’t know anything about SiteGround, unfortunately, so I don’t really know where you should start looking. I’d recommend contacting their support.

Not really - largely depends on the hoster. See Home · certbot/certbot Wiki · GitHub

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