Technorati tops off Series C

Technorati raised $1.5 million more toward its Series C investment from Draper Fisher Jurvetson, Mobius Technology Ventures and Japanese firm DG Incubation, according to a regulatory filing.

The San Francisco-based blog search engine has been raising its Series C since June 2006, documents show, and the new money pushed the round total to $12 million. The company raised about $7.6 million in late 2004 from DFJ, Mobius and Hummer Winblad Venture Partners.

The most recent cash injection comes as the company is trying to attract a new CEO. Founder and CEO David Sifry is looking for a replacement who can grow the startup to a size that would make it suitable for an IPO. “I’m really proud to have brought us to where we are,” Sifry writes in his blog. He used that vehicle to make the company’s headhunting search public by calling for resumes.

The Series C financing, inked on April 23, comes more than two weeks after Sifry’s blog post about trying to find a new CEO.

Technorati, which tracks 70 million blogs, estimates there are 120,000 blogs created each day.