Ef.no is tracked by us since October, 2012. Over the time it has been ranked as high as 663 599 in the world, while most of its traffic comes from Norway, where it reached as high as 3 541 position. It was owned by several entities, from : EEDE2O-NORID : organization to Fredrik Henriksson, it was hosted by NTT America Inc., CloudFlare Inc. and others. While : REG48-NORID was its first registrar, now it is moved to NORID.

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