Chromium Project’s security team hasand is planning to explicitly and actively inform users that HTTP connections provide no data security protections. Google is encouraging user agent vendors to take a phased approach to implementing these changes given the needs of their users and product design constraints. Google also made changes in its search engine algorithm in an effort to give a slight ranking boost to the websites that use encrypted HTTPS connections. There are also projects like, launched by the non-profit foundation EFF (Electronic Frontier Foundation) to offer free HTTPS/SSL certificates for those running servers on the Internet at the beginning of 2015.
Source: https://thehackernews.com/2014/12/chrome-plans-to-mark-all-http-traffic_88.html