Seisen.com is tracked by us since April, 2011. Over the time it has been ranked as high as 506 099 in the world, while most of its traffic comes from Japan, where it reached as high as 46 860 position. It was owned by several entities, from Seisen International School 12-15 Yoga 1-chome to Seisen International School of Seisen International School, it was hosted by Lunar Pages, CloudFlare Inc. and others. While NETWORK SOLUTIONS LLC. was its first registrar, now it is moved to Network Solutions LLC.

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