SSL certificate is a digital certificate, similar to the electronic copy of a driver's license, passport and business license. Because the configuration on the server, also known as SSL server certificate. A valid, trusted SSL digital certificate comprising a public key and a private key. The public key used to encrypt information, a private key for interpreting encrypted information.
So what good is it SSL Certificates
1, to prevent the flow middleman hijacking
2, Https encryption to make the site more secure
3, to protect user privacy information security
4, to help users identify phishing sites
5, http will be marked "unsafe"
6, improve search rankings
7, to enhance the company's image and credibility
At present SSL certificates can be divided into DV SSL certificates, OV SSL certificates and EV SSL certificates into three categories. Costs, there is a big difference depending on the type of which the cheapest DV SSL certificates, a few dollars to several hundred dollars, while OV SSL certificates at a few thousand dollars, the most expensive is the EV SSL Certificate million ( are by annualized), with the development of the Internet and raise awareness of network security using HTTPS in the future will become mainstream.