How to check whether a link can be added as bookmark on not?

Social media sites like twitter and facebook gives a utility tool to check how a URL will be rendered and moreover give insights what is missing or can be fixed to properly render them?

https://support.huawei.com/enterprise/en/doc/EDOC1100279023/4df860f5/8021x-port-based-authentication-configuration

This URL can’t be embedded in ghost, how can I check what is missing or wrong.