Cos.ru is tracked by us since June, 2012. Over the time it has been ranked as high as 2 112 599 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 967 104 position. All this time it was owned by JSC 'COS&HT', it was hosted by RIPE Network Coordination Centre, "Domain names registrar REG.RU" Ltd and others.

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