what is c3 metrics
C3 Metrics. C3 Metrics is the worldâs first complete attribution platform. Employing a multi-dimensional machine-learning bayesian algorithm, marketers utilizing C3 Metrics realize a 15% â 44% improvement in ROI. C3 is ranked #1 in the 2017 Attribution Vendor Scorecard, the most accurate solution by TBR Independent Research, the Global 250 Winner of AlwaysOn and the Global Winner of the Red Herring 100.