Sudu.cn is tracked by us since April, 2011. Over the time it has been ranked as high as 4 399 in the world, while most of its traffic comes from China, where it reached as high as 5 457 position. It was owned by several entities, from 谢勇 成都飞数科技有限公司 to 成都飞数科技有限公司, it was hosted by China Unicom Shandong province network, Aliyun Computing Co. LTD and others.

Sudu has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Sudu.cn is poorly ‘socialized’ in respect to any social network. According to MyWot, Siteadvisor and Google safe browsing analytics, Sudu.cn is a suspicious domain with mostly positive visitor reviews.