Classbuilder.com.br is tracked by us since September, 2012. Over the time it has been ranked as high as 2 096 399 in the world, while most of its traffic comes from Brazil, where it reached as high as 105 644 position. It was owned by several entities, from Pearson Education do Brasil Ltda of Pearson Education do Brasil Ltda to Pearson Education do Brasil Ltda of Pearson Education do Brasil Ltda., it was hosted by NCS Business Systems and NCS Pearson Inc..

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