Sigma.com is tracked by us since April, 2011. Over the time it has been ranked as high as 15 549 in the world, while most of its traffic comes from USA, where it reached as high as 3 798 position. It was owned by several entities, from Sigma-Aldrich 3050 Spruce St. to REDACTED FOR PRIVACY of REDACTED FOR PRIVACY, it was hosted by MCI Communications Services Inc, Incapsula Inc and others. While NETWORK SOLUTIONS LLC. was its first registrar, now it is moved to Key-Systems GmbH.

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