You are hosting this in a free hosting site that's why they are adding pop up ads on your faucet even you may not know about this. Even 1$ per month hosting service is better than free hosting. You may also get server overload message if you get few hundreds of visitors daily.
I need a cheapest Hosting and domain, I get about 100 to 500 Unique Visitors, When i get Hosting and Domain price i will buy it.Your traffic is not big if compare to other faucets. Maybe this list of hosting companies will help you
http://nocens.org/ratings/487-bitcoin-hosting As you see, you can get hosting only for few dollars month. I think it's not big price.
OK, THANKS.