Search Engine Optimization (SEO) is the process of improving a website’s visibility on search engines like Google. It involves optimizing content, using relevant keywords, improving website speed, and creating quality backlinks to rank higher in search results. SEO helps businesses attract organic (free) traffic, increase brand awareness, and generate more leads. By focusing on user experience and valuable content, SEO ensures that a website reaches the right audience at the right time, making it an essential part of digital marketing strategy.