Ef.sg is tracked by us since December, 2013. Over the time it has been ranked as high as 1 135 199 in the world, while most of its traffic comes from Singapore, where it reached as high as 8 497 position. It was owned by several entities, from Name: EF COLLEGES LTD (SGNIC-ORGEF148512) to SIGNUM INTERNATIONAL AG (SGNIC-ORG1519728), it was hosted by Akamai Technologies Inc., CloudFlare Inc. and others. While was its first registrar, now it is moved to CSC CORPORATE DOMAINS INC.

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