Empire Market is fine and most popular Deep Web Marketplace right now. Being this popular has it's consequences nonstop Ddos attacks witch leads main Empire Market link to be down, and alternative URL too. That lead that empire marketplace have to design a lot of URLs and onion mirror and links. And the problem is that there are not too much ways users can discover a right Empire Market URl.
That's why Empire Market decided to create a special webpage where their users can at any time find active URLs and onion mirrors, for quick enter to Empire Market. Here it is http://empiremarketurl.online/ be sure to use it every time you want to access to darknet market empire market.