Sina.cn is tracked by us since April, 2011. Over the time it has been ranked as high as 446 in the world, while most of its traffic comes from China, where it reached as high as 89 position. Book.sina.cn receives less than 13.9% of its total traffic. It was owned by several entities, from 谢国民 新浪网技术（中国）有限公司 to 北京新浪互联信息服务有限公司, it was hosted by China Mobile Communications Corporation, ChinaTelecom Group Beijing LtdCo and others.

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