A little green lock or “https” in front of a web address means your internet traffic is encrypted. It protects from privacy and eavesdropping. Online Security is paramount for all the websites.
Google considers it as a major parameter when ranking search results. Web Hosting platforms are also integrating https in their web hosting tools.
No traffic if site not encrypted, i.e., not using https
Google search shows the websites with TLS/SSL certificate installed are ranked higher. Furthermore, from July 2018, Google Chrome would start warning for web pages, not SSL secured.
Free Security: Let's Encrypt, and Certbot has allowed previously unencrypted websites to get a free security certificate.
According to Electronic Frontier Foundation (EFF), half of the Internet traffic is now encrypted. It recommends HTTPSEverywhere browser extension, a collaboration between them and the Tor Project.
Free SSL from Let’s Encrypt Certificate Authority – Encrypted Hosting
A free, automated and open Certificate AuthorityNonprofit Internet Security Research Group (ISRG)TMz, issuing digital certificates for website encryption globally. Launched in April 2016, and has issued over 20 million certificates until now. Various hosting companies financially contribute Let's encrypt to get the Web to 100% encryption.
The company mandate is to provide individuals and organizations, the user-friendly and free secure digital certificates to enable HTTPS (SSL/TLS) for websites The company offers free, automated, secure and transparent certificates for Transport Layer Security (TLS) encryption through automation.
Nonprofit Internet Security Research Group (ISRG)TMz: A public benefit organization with a mission to reduce financial, technological, and education barriers to secure communication over the Internet.
Executive Director: Josh Aas