Metro.tokyo.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 1 669 in the world, while most of its traffic comes from Japan, where it reached as high as 116 position. Opendata-portal.metro.tokyo.jp receives less than 1% of its total traffic. It was owned by several entities, from Arai Yasushi of TOKYO Metropolitan Government to Harada Kazunori of TOKYO Metropolitan Government, it was hosted by Techno Project Japan Co. and Google LLC.

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