You must have heard a lot about the fact that if anything does not lead to call-to-action, then it will not benefit you but if you want to get maximum results from your search engine marketing, then you need to look out for various SEO technique to design your landing page. If you are planning to include a 'buy now' button in your landing page, then it will surely use the eye-tracking technology but it will not guarantee you the conversion of your search engine marketing plan.