Empire Market is fine and most notorious Dark Network Marketplace at the time. Being this great it faces the problem of continuous Ddos attacks causes main Empire Market URL to be down, and alternative URLs as well. That lead that empire market have to make a lot of URLs and tor mirror and mirror. And the thing is that there is not too much ways users can find a fresh Empire Marketplace links.
That's why Empire Marketplace decided to create a special website where their users can at any time find active URLs and onion mirrors, for quick enter to Empire Market. Here it is http://empiremarket.site/ make sure you using every time you you wish to enter to darknet market empire market.