Quantcast Measure provides free, accurate and dependable audience insights for over 100 million web and mobile destinations. With detailed demographic, geographic and lifestyle information, Quantcast Measure gives you the best understanding of your online, mobile web and mobile app audiences. Access your data on the Quantcast website or via the Measure API.
GET MEASUREAmplify your audience development and ad sales efforts with insights from custom audience segments. See traffic numbers, demographic and interest profiles by content read, features used or ad campaigns exposed, across all your properties, mobile and web.
Learn MoreQuantcast's measurement expertise brings you the most complete demographics available so you can learn more about who's using your apps.
Use Quantcast's product insights to help you find and attract new users, and make sense of how they move between your platforms. You can showcase your audience publicly, and your audience data to advertisers looking to buy media across your mobile properties.
Get it all in five minutes with basic implementation, for free. Learn More
Give meaning to your metrics. An essential element of all our measurement profiles, Quantcast's Compare tool lets you see your site's activity in relation to your competition. We like this feature so much we embedded it here — type in a site (or two or three) and give it a go!
GET MEASUREUnderstand how groups of logged-in users return across platforms. Analyzing return visits can help you measure efforts to migrate users between platforms, as well as show advertisers multi-platform usage.
GET AUDIENCE CONNECT“We use Quantcast to measure audiences for individual posts on BuzzFeed. Getting audience insight at the post level helps us demonstrate to advertisers how sponsored content can deliver their specific target audiences.„
“At Topix we use Quantcast to measure our audience trends, and as our national mobile web traffic has doubled over the past year, we were looking for greater insight into our audience’s usage across all platforms.„
“Since 2009, we’ve used Quantcast as an integral part of our sales pitches, to provide thirdparty validation of the metrics we present to prospective clients. And unbelievably, it’s free!„
“Using Quantcast Measure allows us to have visibility of our audience in one unified platform. This significantly helps us identify trends and create bespoke advertising solutions for our partners.„
“We use Quantcast Measure to better understand our audiences through demographic composition reports and rich insights such as interests/lifestyle, which has helped us better respond to demand sources of all types.„
“Quantifying [across our web page, the video player and mobile app properties] enabled us to compare apples to apples when gauging the reach of our sites and mobile app.„