For a quick check, the site has a simple interface for easy viewing.

1) What is/are the benefit of being signed up?
2) Some of the listed gambling sites there are new to my vocabulary. Seeing their payment methods, are those mostly fiat online casinos?
3) Checking those sites under Bitcoin Bonuses, those sites are also new to my vocabulary. Are you sure those are legit or I mean, already established a good reputation in crypto-gambling industry?