Search Engine Optimization (SEO) is the foundation of digital marketing. Whether you’re running a small business, managing an eCommerce site, or building a personal brand, understanding SEO is essential to growing your online visibility and attracting quality traffic. For beginners, SEO can seem intimidating—filled with technical jargon and complex algorithms. But the truth is, it all comes down to two key components: On-Page SEO and Off-Page SEO.