Bt4.pl is tracked by us since September, 2012. Over the time it has been ranked as high as 440 399 in the world, while most of its traffic comes from Poland, where it reached as high as 7 393 position. All this time it was owned by Michau Enterprises Limited, it was hosted by "Sprint" S.A., Aftermarket.pl Limited and others. While was its first registrar, now it is moved to NASK.

Bt4 has a decent Google pagerank and bad results in terms of Yandex topical citation index. We found that Bt4.pl is poorly ‘socialized’ in respect to any social network. According to Google safe browsing analytics, Bt4.pl is quite a safe domain with no visitor reviews.