Redirect traffic script based on Keywords

Hi Guys, have a magento store, i want to redirect traffic from our home page to appropriate internal page based on referer and keywords used in search engines. so for example if i my home page is ranking good on google for keyword snow boots and customers clicks on it, i want that customer to be redirected to the interneal page where snow boots are. Freelancer with LOWEST BID and positive feedback will be selected. I NEED THIS DONE IN 1-2 DAY MAX. Should you have any questions please do let me know. Happy Bidding!