Google Announced "Starting April 21, we will be expanding our use of mobile-friendliness as a ranking signal. This change will affect mobile searches in all languages worldwide and will have a significant impact in our search results. Consequently, users will find it easier to get relevant, high quality search results that are optimized for their devices. " On April 21, 2015, Google Frequently Asked Questions "For background, in February, we announced that the mobile-friendly update...