Mobile Study: Only 57 percent of PR websites are mobile-friendly PR and marketing pros, beware: An upcoming change to Google’s algorithm will affect brand search results. By Beki Winchel@bekiwekiApril 8, 2015 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.