Opcmia.org is tracked by us since December, 2016. Over the time it has been ranked as high as 3 112 799 in the world, while most of its traffic comes from USA, where it reached as high as 600 311 position. All this time it was owned by Operative Plasterers & Cement Masons International Association of Operative Plasterers & Cement Masons International Association, it was hosted by Zone.net, A2 Hosting Inc. and others.

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