Harpercollins.com is tracked by us since April, 2011. Over the time it has been ranked as high as 32 099 in the world, while most of its traffic comes from USA, where it reached as high as 6 896 position. Twittercommerce.harpercollins.com receives less than 1.7% of its total traffic. It was owned by several entities, from Tony Marrone HarperCollins Publishers L.L.C. to HarperCollins Publishers L.L.C. While MARKMONITOR INC. was its first registrar, now it is moved to MarkMonitor Inc..

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