Yelp is far more dominant in the US than in Europe, where Google Reviews take the lead. In fact, a study on 500 US-based businesses showed that 75% of their reviews came from Yelp, whereas in Europe, it was the opposite, with 60% coming from Google. This shift in platform importance affects review management strategies, with US-focused campaigns prioritizing Yelp optimization and European campaigns focusing on Google Review velocity and diversity.