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Quantcast measures Internet traffic and collects audience profiles. The company analyzes site audiences on behalf of web advertisers, identifying purchase influencers such as age, gender, income, and ethnicity. Web advertisers select the right audience for their campaign through Quantcast's premium analytical tools. The company collects data from a panel, purchases information from Internet Service Providers where available. Publishers may opt-in to more detailed and accurate statistics by placing a piece of JavaScript on their pages to record each visit in the Quantcast database.

Quick Stats

  • Founded in
  • Six employees



$25.7 million raised over two rounds.

  1. $5.7 million - March 2007
  2. $20.0 million - January 2008

Startup Search score

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