Business firms who sell their products and services online, want to enhance the visibility of their website so that they can get top ranking in SERP(Search Engine Result Page; Google, Yahoo, Bing..). SEO is the process of optimizing the website to get organic or natural traffic and ranking of your targeted keywords. Ranking of the website is based on what the search engine considers most relevant to users. All search engines provide the best info for their users. So if you have a website and you want to increase the visibility of your website and want to see your website at the top rank of search engine's results, you will definitely need SEO software that helps find keywords you can rank for, links you can get and On-Page optimization guaranteed to increase rankings on search engines.