Pu.ru is tracked by us since April, 2011. Over the time it has been ranked as high as 314 287 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 29 363 position. It was owned by several entities, from Saint-Petersburg State University to St.Petersburg State University, it was hosted by Hosting department of VTC SPbU, Institut Bekhtereva and others. While RUCENTER-REG-RIPN was its first registrar, now it is moved to RU-CENTER-RU.

Pu has a supreme Google pagerank and bad results in terms of Yandex topical citation index. We found that Pu.ru is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Pu.ru is quite a safe domain with mostly negative visitor reviews.