A little green lock or “https” in front of a web address means your internet traffic is encrypted. It protects from privacy and eavesdropping.
Google considers it as a major parameter when ranking search results. Web Hosting platforms are also integrating https in their web hosting tools.
Free Security: Let's Encrypt, and Certbot has allowed previously unencrypted websites to get a free security certificate.
Free SSL from Let’s Encrypt Certificate Authority
Launched in April 2016, and has issued over 20 million certificates until now.
The company offers free, automated, secure and transparent certificates for Transport Layer Security (TLS) encryption through automation.