[Techtaffy Newsdesk]

Convertro, which provides a platform to measure and optimize ad campaign effectiveness using cross-channel attribution of online and traditional media channels, has closed a $5 million Series B round of funding. The funding round, was led by Bessemer Venture Partners and DAG Ventures.

The recent funding follows a $5 million 2009 Series A round led by Bessemer Venture Partners.

Convertro says it captures data at the most granular level, so users can track the online behavior of individual consumers, even across devices and platforms. The company inserts 144,000 marketing events per second into its database, and has more than 40 million users every hour.

[Image courtesy: Convertro]