Kai.ed.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 242 859 in the world, while most of its traffic comes from Japan, where it reached as high as 16 235 position. It was owned by several entities, from Yamanashi Educational Network to Ogawa Iwao of Yamanashi Prefectural Education Network, it was hosted by Wingtechnology Communications Inc., Yamanashi Prefectural Government and others.

Kai has a decent Google pagerank and bad results in terms of Yandex topical citation index. We found that Kai.ed.jp is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Kai.ed.jp is a fully trustworthy domain with no visitor reviews.