SEO stands for Search Engine Optimization. It is a process of increasing the number of visitors to a website. It enhances the visibility of a web page and increases the quantity and quality of traffic to a website so that it could appear at the top of search engine result pages.
It optimizes the websites for search engines and thus helps it achieve higher ranking in search engine result pages when users use keywords related to their products or services. Therefore, it improves the quality as well as the quantity of traffic to a website through organic search engine results.