Understanding SSL parameters are essential in testing for maximum performance of realistic traffic and relevant environment. When you are purchasing an SSL certificate, pay attention to the following 3 factors: 1. Public key exchange, key signing, and certificate exchanges 2. Symmetric encryption, data authenticity, confidentiality and hashing 3. Key size – the higher the key size, the more secure the connection Our SSL checker tool provides all the necessary certificate details, server details, and certificate chain details to give you an overall understanding of your SSL certificate parameters.