Empire Market is big and most notorious Onion Network Market at the time. Being this famous it faces the problem of continuous Ddos attack leading primary Empire Market link to be down, and alternative link as well. That lead that empire marketplace have to design more and more URLs and onion mirror and links. And the thing is that there is not much ways users can discover a right Empire Market link.
So that's why Empire Marketplace decided to create an official site where their users can at any time find legit URLs and onion mirrors, for instant access to Empire Market. Here it is http://empiremarketurl.com make sure to use it every time you you have to access to darknet market empire market.