Search Engine Optimization (SEO) is a multifaceted digital marketing strategy aimed at improving a website's visibility on search engines like Google, Bing, and Yahoo. By optimizing various elements such as content quality, keyword usage, site structure, and backlinks, SEO helps websites rank higher in search results. This not only increases organic traffic but also enhances user experience, making it easier for potential customers to find relevant information. Effective SEO requires ongoing analysis and adaptation to ever-changing algorithms, ensuring that businesses stay competitive in the digital landscape.