Htdp.org is tracked by us since April, 2011. Over the time it has been ranked as high as 146 999 in the world, while most of its traffic comes from Ukraine, where it reached as high as 8 099 position. It was owned by several entities, from How to Design Programs of How to Design Programs to REDACTED FOR PRIVACY, it was hosted by Brown University, GitHub INC. and others.

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