HOW TO CHECK THE DIGITAL CERTIFICATE OF A WEBSITE IN MOZILLA FIRE FOX BROWSER
A digital certificate provides identifying information for a website, it cant be forged it can also be verified because it was issued by a certificate Authority which is trusted third party. The certificate contains the name of the certificate holder (website) a serial number, expiration dates, a copy of the certificate holder's public key (used for encrypting messages and digital signatures) and the digital signature of the certificate-issuing authority (CA) so that a recipient can verify that the certificate is real.