Google recently threw down the mobile gauntlet. On April 21, 2015, changes went into effect that raise the importance of the mobile friendly website.
The changes greatly expand Google’s use of mobile-friendliness as a ranking signal, which impacts mobile organic search. So make sure you’re ready!
Simply put, these changes are huge. To put it in perspective, Zineb Ait Bahajji of Google’s Webmaster Trends team said at SMX Munich that the changes would be more significant than their Google Panda and Google Penguin updates. Need we say more? You can read the official Google announcement here.