SEO courses can help you learn keyword research, on-page optimization, link building, and content strategy. You can build skills in analyzing website performance, understanding search engine algorithms, and creating SEO-friendly content. Many courses introduce tools like Google Analytics, SEMrush, and Moz, which help you track metrics, optimize your site, and improve your search rankings. By applying these skills and tools, you can enhance your online visibility and drive more organic traffic to your website.