Google now wants all sites to be “secure” and is starting to give secure sites better ranking than non secure sites. They would like all sites to be converted to “secure”
Secure sites use https:/ instead of http:/. Like your bank sites.
Perhaps a good idea to reduce site hacking (of which we have seen 4 cases lately) etc.
The down side is that it will require site changes and purchasing a security certificate for your site. Security certificates cost from around $5 per month to over $500 per year, depending on your hosting company. Just to make Mr Google happy.
According to this article Google are already using it as a minor part of their ranking algorithm and may increase the importance of it. How far they take this remains to be seen, it is still early days for this idea.