With the increase in relevancy of the pages, there are higher chances that the page will appear at the top of the listing
. Search engines can be basically thought of as automated software that is used for the judgment regarding relevancy of the website pages. When SEO techniques are employed, they function in a proper manner under two categories. The first one is the on page and the second one is the off page optimization technique. Off page optimization is mainly concerned about the use of inbound links. In SEO, high search engine ranking is achieved through keyword research that also involves modification of HTML code.