Google is “probably many quarters away” from launching its mobile-first index. So said Gary Illyes, Google webmaster trends analyst, during a crowded session Tuesday afternoon at our SMX Advanced conference in Seattle. “It’s going to be a big change, but don’t freak out,” Illyes said. SEOs and webmasters have been wondering and waiting for a couple of years now for news on when the mobile-first index will roll out. Illyes wasn’t able to give an exact answer to that question today. Get the full story at Search Engine Land