Vko.cn is tracked by us since May, 2012. Over the time it has been ranked as high as 35 149 in the world, while most of its traffic comes from China, where it reached as high as 3 101 position. It was owned by several entities, from 马永刚 to 北京微课九天教育科技有限公司, it was hosted by Langfang Development Area Huarui Xintong Network Technology Co. Ltd., Beijing RHTD Network Technology Co. Ltd. and others.

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