As the company notes, page speed “has been used in ranking for some time” but that was largely for desktop searches. Starting in July 2018, page speed will be a ranking factor for mobile searches on Google as well. In November 2014, Google started labeling sites as “mobile-friendly” to denote pages optimized for phones. The company then spent the next few years experimenting with using the label as a ranking factor, ultimately pushing those changes in April 2015 and increasing the effect in May 2016. The label was removed in August 2016 as the company noted that most pages had become “mobile-friendly.” Google now plans to wield that power again to make mobile pages load faster. Get the full story at VentureBeat and Google Read also "How to improve your Google "Quality Score"" at Entrepreneur