Cdio.org is tracked by us since July, 2012. Over the time it has been ranked as high as 743 099 in the world, while most of its traffic comes from India, where it reached as high as 300 389 position. It was owned by several entities, from MIT to Not Disclosed of NOT DISCLOSED, it was hosted by Network Solutions LLC, Chalmers University of Technology and others.

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