Klas.cz is tracked by us since April, 2011. Over the time it has been ranked as high as 1 411 499 in the world, while most of its traffic comes from Czech Republic, where it reached as high as 11 336 position. It was owned by several entities, from Roman Sikora - KLAS temp-c: ME426-RIPE to Slavomír Psota of KLAS EU s.r.o., it was hosted by Server housing shared subnet, INTERNET CZ a.s. and others. While REG-ONE was its first registrar, now it is moved to CZ-NIC.

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