Search Engine Optimization (SEO) is the practice of improving your website so that it appears more prominently in search engine results. In simple terms, SEO is the process of making your site better for search engines increasing the visibility of your web pages on Google, Bing, etc., in order to attract more relevant visitors. This involves optimizing various elements of your site (content, technical setup, links, and more) to help search engines understand your content and rank it higher for relevant searches.