Quantcast Market Share & Usage Stats

Quantcast helps advertisers and publishers better understand, find and access targeted audiences in real-time. Marketers use Quantcast to amplify their targeting and reach consumers who look just like their best performing customers with unprecedented performance and scale. Publishers use Quantcast to directly measure and package their audiences, to win, execute and renew more deals. Ranked Fast Company's #3 Most Innovative Company on the Web, Quantcast is currently used by the top 10 media agencies and more than half of the top advertising supported publishers. The company pioneered large scale direct measurement of audiences and, today, more than 100 million web destinations have their audiences continually interpreted by Quantcast. With the world's largest database of human interests, Quantcast enables advertisers and publishers to win and thrive in a real-time digital world where consumers expect, and respond to, more relevant experiences. Launched in 2006, Quantcast is based in San Francisco, New York and London and backed by Founders Fund, Polaris Venture Partners, Revolution Ventures and Cisco Systems.