Google rarely gives advanced information about changes to its algorithm. So when Google recently announced the date and focus of their algorithm changes we knew it was going to be a serious update.
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.”
So, it is time to make sure that you have a mobile-friendly website. Google has made it easy to test things by creating a tool where you can enter your web address and get an instant result. You can try it out here: https://www.google.com/webmasters/tools/mobile-friendly/ . Now is the time to make sure that you are not going to be affected negatively by this update.