How to Examine Security Certificates in Safari

How Do You Examine Security Certificates in Safari?

To determine if a website has a security certificate:

If the website has a security certificate there will be a lock just to the left of the URL:
If there is no lock, the website does not have a security certificate:

To view the security certificate:

(1). Click on the Lock that is just to the left of the URL. A box will popup: 

(2). Click Show Certificate:

(3). To view more information about the certificate, click the arrows: