The role of SEO (Search Engine Optimization) in web development is to enhance a website’s visibility on search engines, thereby increasing organic traffic. By implementing best practices, such as optimizing content, improving site structure, and acquiring backlinks, developers ensure that websites rank higher in search engine results. SEO influences various elements, including keywords, meta tags, and user experience, shaping how search engines interpret a site’s relevance. By prioritizing SEO, businesses can reach a broader audience, improving their online presence and potentially driving conversions and sales.