SSL certificate is a kind of digital certificate, similar to the electronic copy of driver's license, passport and business license. In short, it is to add a small green lock to the website, that is, SSL layer is added under HTTP, and the website can use HTTPS security Channel access.

This article introduces the entrance to apply for free SSL certificate, click → https://freessl.org/

With the help of the API provided by TrustAsia and let's encrypt, as well as the web cryptography API, freessl completely uses the browser to generate certificates, and there is no data transmission during this period,

If the browser does not support the web cryptography API, we will generate a certificate from the back-end server, so we strongly recommend that you use a browser that supports the web cryptography API. Finally, please remember to renew the certificate after it has expired.