Suma.ac.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 435 599 in the world, while most of its traffic comes from Japan, where it reached as high as 48 844 position. It was owned by several entities, from GAKKOUHOUJIN SUMAGAKUEN to Kobayashi Mineko of GAKKOUHOUJIN SUMAGAKUEN, it was hosted by K-Opticom Corporation and SAKURA Internet Inc..

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