We operate that site and are using Cloudflare to prevent DDOS attacks. Probably some sort of hash collision...
Crazy stuff!
It looks like you mistyped it and landed on a domain with spammy redirects. They have all kinds of weird URLs and there's not always any connection to anything you did other than go to the wrong domain.
I didn't mis-type. I press 'd' and Firefox fills-in the site for me.