Search engine optimization (SEO) is a technique used to improve website’s rank. Search engine such as Google, Yahoo and Bing crawl your website to check the type and quality of content present. Websites with higher rank appear at the top when you search for any related query. SEO makes your website more visible in the search engine results which mean you get more traffic through unpaid search. With little effort and small structural changes to the content on the website can improve the site ranking leaps and bounds. Here are some basics of Search Engine Optimization that will help.