Actually scammers also using fake twitter account to promote fake sites and you will be wonder that followers is so high that one especially newbie will consider it real and additionally these twitter accounts have blue tick also. I am sure that these twitters are also hacked. Scammers promote their tweet from different accounts and maybe they buy twitter promotion and you will see these scam sites on the top of the opening page.  Below is just one example, how they promoting in twitter and trying to decieve airdrop hunters.