J-cat.org is tracked by us since July, 2012. Over the time it has been ranked as high as 180 899 in the world, while most of its traffic comes from Japan, where it reached as high as 14 591 position. It was owned by several entities, from VALUE DOMAIN DIGIROCK INC. to Ryuma Ando of ECOMAS Co. Ltd., it was hosted by University of Tsukuba and SAKURA Internet Inc..

J-cat has a decent Google pagerank and bad results in terms of Yandex topical citation index. We found that J-cat.org is poorly ‘socialized’ in respect to any social network. According to Siteadvisor and Google safe browsing analytics, J-cat.org is quite a safe domain with no visitor reviews.