somebody has a porn layout. how do i report it?

i was looking for people to add as friends (because....why not), but i UNKNOWINGLY came across this perverted layout. i want to report it because there are minors (like me) on this web site. the link is below but please PLEASE PLEASE don't click this if you're under 18. thank you for reading

(18+) http://spacehey.com/traphouse