Could there be a chance that Google might be coming out with a new mobile algorithm soon? Google is sending out mass notifications to webmasters who don't have websites that are mobile-friendly. The notifications contain the subject "fix mobile usability issues found on...", and the notification goes on to explain that the sites have critical mobile usability [...]
In this episode of Google Webmasters, you'll learn about *making mobile-friendly sites.* It is hosted by John Mueller.