Klass.ua is tracked by us since December, 2013. Over the time it has been ranked as high as 1 112 999 in the world, while most of its traffic comes from Ukraine, where it reached as high as 210 369 position. It was owned by several entities, from OAP18-UANIC ООО "АРТА ПЛЮС" to imena-668796, it was hosted by RIPE Network Coordination Centre, TheFirst-RU clients (WebDC Msk) and others. While was its first registrar, now it is moved to Internet Invest Ltd.

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