So this pool is a fork of
Open Ethereum Pool made by Sammy, these guys behind this pool delete every link to the main project, takes all credits and even replace the donation address of sammy by theirs.... even they don't understand what GPLv3 licence mean or they are playing dump.
Since I've been in open source for some time, these kids are the worst type of people, they don't contribute to the community in anyway, it is not wrong to run a service for profit, but have you thought about the guy who spent days of his life writing the code then open sourcing it for you to take and make profit with it? you just decided to rip him off and not acknowledge his work, even worst you didn't contribute the changes you made to the main project.
I wouldn't support these people by mining in their pool, let them return Sammy's address, point to github repo and pull request with the addiction they did... you know the things that a normal decent person would do.