Ef.com.cn is tracked by us since April, 2011. Over the time it has been ranked as high as 15 849 in the world, while most of its traffic comes from China, where it reached as high as 1 520 position. It was owned by several entities, from Administrator Domain EF Education Limited to 上海英培商务咨询有限公司, it was hosted by CHINANET shanghai province network, CloudFlare Inc. and others.

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