SEO, or Search Engine Optimization, is the practice of optimizing websites to rank higher in search engine results. This involves using relevant keywords, creating high-quality content, and ensuring the website is technically sound. The goal is to increase organic traffic by making the site more visible to users searching for related topics. SEO also includes building backlinks, improving site speed, and ensuring mobile-friendliness. By aligning with search engine algorithms, businesses can attract more visitors, enhance user experience, and ultimately achieve higher conversion rates. In essence, SEO is a key component of digital marketing success.