technoratilogo.bmpTechnorati Inc., the San Francisco company that offers a blog search engine and other services, has raised another $1 million, but still has not articulated a clear strategy.

The latest capital adds to the existing $10.52 million already raised as part of its third round of financing, started last June.

DG Incubation, operator of Technorati Japan, is listed as a new shareholder, alongside existing backers Draper Fisher Jurvetson and Mobius Venture Capital, according to PE Wire, which referenced the filing. VentureBeat hasn’t confirmed this.

Technorati continues its search for a chief executive, and has also appeared unfocused lately (see our recent coverage; scroll down). While its traffic appears to be growing, its search tools have remained somewhat weak, even as upstarts like Sphere improve their blog searches.

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Spehere recently started offering better visuals of blog stories, and related content, for example. Take a look a the screenshot below. In this example, VentureBeat is part of the “technology” coverage. As you scroll through Sphere’s headlines, a fuller summary of the story pops up along side. To the far right is related content to the story you’re looking at.

Technorati has now raised more than $15 million.

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