SEO stands for Search Engine Optimization. It involves a set of strategies and techniques aimed at improving a website's visibility on search engines. By optimizing website elements such as content, keywords, links, and site structure, businesses can increase organic traffic and rank higher in search engine results pages (SERPs). Effective SEO is crucial for driving traffic, as higher visibility typically leads to increased user engagement and conversions. Regular analysis and adaptation of SEO strategies are necessary to keep up with changing algorithms and user behavior, ensuring sustained online success.