Google custom search is built upon their highly successful search platform which allows you to quickly create your own search engine by choosing which websites and directories you want to include in your index and give those sites a ranking of your choosing.
To improve your website’s search engine ranking, you must plan its optimization strategy wisely. You achieve this by feeding the search engines properly. Learn the methods that these search engines use for the purpose of ranking the web pages. This will enable you to achieve goods rankings for your website without resorting to spam.