If you have just installed your SSL Certificate and you receive an error message please check out these useful diagnostics tools that will help you troubleshoot common error messages
SSL Labs
This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
👉 SSL Labs
whatsmychaincert.com
If you are get getting the following error message "Missing intermediate certificate" please check you domain with whatsmychaincert.com and download the correct chain file
Mixed Content Test
If your certificate has been successfully installed but your Browser is still showing it is not fully secured you can use this tool to check if you have content loading over HTTP instead HTTPS