Er.cz is tracked by us since April, 2011. Over the time it has been ranked as high as 241 799 in the world, while most of its traffic comes from Czech Republic, where it reached as high as 2 542 position. It was owned by several entities, from Tomáš Martínek nsset: NSS:FORPSI:118 to Tomáš Martínek of Tomáš Martínek, it was hosted by Jan Horak, WEDOS Internet a.s. and others. While REG-GRANSY was its first registrar, now it is moved to CZ-NIC.

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