Before making any steps on how Google SEO services worked, you must first have an idea on how Google optimized your pages. As you may know keywords is the name tag of your site in order to locate your site it will first go to search engine which the costumer and clients first do. Google provides them in helping to find your site through search engine and Google as well helps SEO in providing the tools on how to find a great traffic with less competition. They can find your site on a particular topic, keywords, title page, or even in your tags, this are generally used for on-page optimization.