Tpcb.org is tracked by us since September, 2015. Over the time it has been ranked as high as 1 757 099 in the world, while most of its traffic comes from USA, where it reached as high as 462 820 position. It was owned by several entities, from Perfect Privacy LLC of Transportation Professional Certification Board to Transportation Professional Certification Board of Transportation Professional Certification Board, it was hosted by ServerVault Corp. and Private Customer.

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