Ef.de is tracked by us since April, 2011. Over the time it has been ranked as high as 187 199 in the world, while most of its traffic comes from Germany, where it reached as high as 5 770 position. It was owned by several entities, from cbs registry to DNS Administrator of CSC Corporate Domains Inc., it was hosted by Akamai Technologies Inc., CloudFlare Inc. and others.

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