Upenn.edu is tracked by us since April, 2011. Over the time it has been ranked as high as 2 069 in the world, while most of its traffic comes from USA, where it reached as high as 677 position. Pdri.upenn.edu receives less than 6.16% of its total traffic. It was owned by several entities, from University of Pennsylvania ISC Networking & Telecommunications to University of Pennsylvania, it was hosted by Pantheon.

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