Oca.ac.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 293 699 in the world, while most of its traffic comes from Japan, where it reached as high as 21 525 position. It was owned by several entities, from Osaka Communication Art College Osaka Communication Art College to Shibata Aya of Osaka Communication Art College, it was hosted by Kokusai Kyoiku Center Corporation, XSERVER Inc. and others.

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