Google has announced updates to it's algorithm that rates based on “mobile-friendliness” with updates to the display of URLs. This change will come in play on April 21 and includes the support for schema.org structured data for websites

References
Announcement from Google http://googlewebmastercentral.blogspot.de/2015/04/better-presentation-of-urls-in-search.html

Testing tool available from Gooogle https://www.google.com/webmasters/tools/mobile-friendly/