Google How Google’s Penguin 3.0 Is Playing Out Across The Web How has Penguin 3.0 resonated globally? Contributor Philip Petrescu of Advanced Web Ranking shares data on the algorithm update's impact. Philip Petrescu | Dec 11, 2014 at 9:58 am ET
PPC How Ads Influence Organic Click-Through Rate On Google If the SERPs are a zero-sum game, where drawing a click in one place takes it away from another, how are ads influencing organic click-through? Philip Petrescu | Oct 1, 2014 at 3:50 pm ET