Purl.org is tracked by us since April, 2011. Over the time it has been ranked as high as 374 999 in the world, while most of its traffic comes from USA, where it reached as high as 581 359 position. It was owned by several entities, from OCLC Online Computer Library Center Inc of OCLC Online Computer Library Center Inc to Internet Archive of Internet Archive, it was hosted by OCLC Online Computer Library Center Inc. and Internet Archive.

Purl has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Purl.org is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Purl.org is a fully trustworthy domain with mostly positive visitor reviews.