The best thing that you can do is just make sure that your haunt is listed in several different directories besides relying on one source. You wouldn't just advertise your haunt with one newspaper and nothing else. Same idea here. Be sure to check and update/add your haunt to directories specializing in your local area/region and national directories like Hauntworld, Findahaunt.com, HauntDB.com and HauntedHouse.com. As far as preventing rating manipulation, unless the server does multiple ways of preventing gaming, then there is really nothing you can do. As you noticed, if you clear cookies, you can manipulate a listing on some sites. With our listing ratings on HauntDB, we do a variety of ways to try to minimize gaming the best we can, but your never going to completely eliminate it. Once you figure out one way, someone who is really determined will all ways try to find a way around it and game the system. It's important to keep an eye on your profile and promote it with you fans and get them to vote on it! For every 1 negative comment, there are 10 positive that are not posting. Encourage the positive commenters to post on your profiles. That will help combat the negative reviews. It's like Harry Truman use to say, "How is it that only SOB's know how to lick a stamp?"