Technorati Japan, a localized service of the blog search and ranking service, will close down on Oct. 23, it said Wednesday.
The closure of the service was blamed on difficulty in developing and supporting a Japanese language service after business changes at Technorati in the U.S. Notice of the closure didn't detail the changes to which it referred.
Last year Technorati acquired BlogCritics, a blog content network, and AdEngage, an Internet advertising network. And then in November it restructured its business laying off six employees and cutting the salaries of all others.
On Tuesday Technorati relaunched its Web site and increased the amount of content on its home page. The content is sorted into thematic channels led by editors who will write daily columns.
"We would like to apologize to all our members and users for the inconvenience caused and, at the same time, thank you for your patronage," the Technorati Japan notice said.
Technorati Japan was formed in early 2005 by Digital Garage, an Internet incubation and venture capital business that has invested in many successful Web startups in Japan. Among Digital Garage's current partners is Twitter.