Have you set up SSL on your website?
Now if you do not know what SSL certificate is, let’s look at that first.

SSL (Secure Sockets Layer) is a standard security protocol for establishing encrypted links between a web server and a browser in an online communication.

The usage of SSL technology ensures that all data transmitted between the web server and browser remains encrypted.

See the reasons why need to.
There are three main benefits to using HTTPS instead of HTTP to access your blog or website:
  • It helps to check that your visitors open the correct website and aren’t being redirected to a malicious site.
  • It helps detect if an attacker tries to change any data sent from Blogger to the visitor.
  • It adds security measures that make it harder for other people to listen to your visitors’ conversations, track their activities, or steal their information.