Op-f.org is tracked by us since April, 2011. Over the time it has been ranked as high as 1 195 799 in the world, while most of its traffic comes from USA, where it reached as high as 171 547 position. It was hosted by State of Ohio Network, OHIO POLICE FIRE PENSION FU and others. While was its first registrar, now it is moved to Public Interest Registry.

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