Empire Market is fine and most popular Darknet Marketplace right now. Being this big has it's consequences endless Ddos attacks leading essential Empire Market link to be down, and alternative mirrors as well. That lead to empire market had to design a lot of URLs and onion mirrors and links. And the thing is that there is not much ways costumers can find a right Empire Market mirrors.
So that's why Empire Marketplace decided to create a special webpage where their users can always discover legit URLs and onion mirrors, for instant enter to Empire Market. Here it is http://empiremarketurl.com be sure you using it every time you want to access to darknet market empire market.