Why you now must have a mobile-friendly site

The time has come.
Google has announced that on April 21 it will introduce significant changes to its algorithm for delivering search results, which means that anyone who operates a Web site and hopes for traffic from Google should take notice.
The driving force behind the updated Google algorithm is to better accommodate mobile users.
For some time now, Google has rewarded sites that offer good mobile usability by giving them a boost in page rank along with a “mobile-friendly” notation in search results.
But the new algorithm places even greater emphasis on delivering sites that are easily consumed on mobile devices. The resulting impact is expected to be greater than with any update that Google has ever released.
So if your site does not meet Google standards for mobile-friendliness, you might soon see a notable drop in your traffic from mobile devices and desktops alike.