Yeah ofc ,you can use a ripped site but , if you want to attract more people you it should at least work 100 % and have anything inside ... Thats my opinion ...
And to be honest before you log into a server you should first download the patch from the site ... If you see a ripped site (not working 100% and not many features inside ,like pvp ranks or good explained Information about the server ) you will leave this srv and say ! Ooohh another1 failed server homehosted with ripped site with just 1 domain .com ...