An SSL certificate is a digital certificate for a server that adheres to the SSL protocol and is issued by a trusted root certificate authority.
SSL certificates use the SSL protocol for communication. When an SSL certificate is deployed to a server, HTTPS protocol will be enabled for server-side access. Your website will transmit data via the HTTPS encryption protocol, which helps to establish an encrypted link between the server side and the client side, thus ensuring secure data transmission.
The role of SSL certificates
(1) Green security mark for browsers
The major mainstream browsers attach importance to the website without the SSL certificate installed prompted “not secure”, the browser will be installed with the SSL certificate will display the green security mark, indicating that the connection is secure.
(2) Encrypted transmission of website data
After the SSL certificate is installed, the website will be upgraded to https, which stands for encryption protocol. It can encrypt and protect all data information on the website, protect visitors’ registration and login, online transactions and other information data, which is vital for e-commerce, finance, government, enterprise and other websites.
(3) Security mark to gain visitors’ trust
The SSL certificate verifies the true identity of the applicant organisation and can be viewed in the certificate details for the applicant company. Advanced SSL certificates can also display the green company name in the browser address bar, which can deepen visitors’ trust in the website and make browsing more secure.
(4) Strong encryption level protection
SSL certificate can be encrypted data, and its 2048-bit encryption technology is inseparable, always protect this sensitive data from theft, leakage.
(5) Beneficial to search ranking improvement
A number of search engine companies have publicly stated that friendly priority to display https sites, which will benefit the site’s SEO keyword ranking, for website optimization is a good opportunity.