Twitter card validator cannot validate my secured url

Question

The Twitter card validator is able to validate http://my domain.com which doesn't link up with my files well because I've added "s" to the "http" in my base URL, but is unable to validate https://my domain.com. the https://my domain.com is my custom domain which has an SSL installed. I don't know why it's not been validated. Anytime I try it gives me errors: Fetching the page failed because of other errors and Unable to render Card preview.

Please any guide will be very much appreciated.

Answer 1

According to the Twitter troubleshooting post:

if you see a validator message about Fetching the page failed because other errors or similar, check your SSL configuration. The certificate and server name must match (or be aliased to match) due to Java security constraints.

There's more detail on the Twitter forum. You'll need to use a site such as ssllabs.com/ssltest/ to check the quality of your setup.