Sema.org is tracked by us since April, 2011. Over the time it has been ranked as high as 93 025 in the world, while most of its traffic comes from USA, where it reached as high as 17 696 position. It was owned by several entities, from Specialty Equipment Market Association of Specialty Equipment Market Association to Perfect Privacy LLC of Specialty Equipment Market Association, it was hosted by Cox Communications Inc. and Microsoft Corporation.

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