For years, Google has been actively seeking ways to encourage website owners to implement SSL certificates. SSL allows websites to be accessed over HTTPS, which encrypts information sent between the visitor and web server.
Recently, we discussed how Google is moving from a reward system to a punitive one. Websites using SSL continue to get an SEO boost since it became a confirmed ranking signal in 2014, but we noticed a few months ago that Google was blacklisting non-HTTPS websites that allowed password fields and credit card forms to be filled.
Source: Scuri check