In basic layman terms, search engine optimization (SEO) is what makes a website appear on the first page of a popular search engine like Google, Yahoo, and Bing. However, there are a lot of techniques involved behind the website that makes it easily recognizable by the search engine. The mere presence of a website online is of no importance now if it cannot be searched. It was at the start of the internet boom that websites appeared in the search engine results as they were created. Now it takes a lot of effort and technique in order to be reached on the web.