Zooniverse.org is tracked by us since April, 2011. Over the time it has been ranked as high as 60 099 in the world, while most of its traffic comes from India, where it reached as high as 41 967 position. Letters.zooniverse.org receives less than 1% of its total traffic. It was owned by several entities, from Chris Lintott of Chris Lintott to Redacted for Privacy Purposes of Redacted for Privacy Purposes, it was hosted by Amazon.com Inc., Microsoft Corporation and others.

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