SEO or Search Engine Optimization involves a set of practices used to improve the ranking or visibility of a website on search engines like Google, Bing, Yahoo, etc. With the increasing competition among companies on the internet, it is with the help of SEO that a company can gain a competitive edge. SEO involves a number of aspects like on-page optimization, off-page optimization, etc. which an SEO professional targets to improve the ranking of a website and get more visitors on the website.