Insufficient funds so fast within a day, did you get so much traffic to empty your balance or did some bot eat up all your balance, If so how much did you loose.
You site is taking too long to load and try to add some anti bot links in your site. lower your referral commission to 50% or even lower would work fine. Be careful with adsense ads, you might get banned, Have some other ad networks too Choose from here
https://bitcointalk.org/index.php?topic=1108616.0Also take time to read this thread to prevent your faucet from bots and scammers
https://bitcointalk.org/index.php?topic=1200700.0