Calend.ru is tracked by us since April, 2011. Over the time it has been ranked as high as 11 301 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 605 position. It was owned by several entities, from OOO "Prodjuserskij centr "Roiber" to LLC Quantor, it was hosted by Roiber, Selectel Network and others. While RUCENTER-REG-RIPN was its first registrar, now it is moved to RU-CENTER-RU.

Calend has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Calend.ru is moderately ‘socialized’ in respect to Facebook shares (5.01K), Google+ shares (782) and Twitter mentions (1). According to MyWot and Google safe browsing analytics, Calend.ru is a fully trustworthy domain with mostly positive visitor reviews.