SEO for e-commerce means making your online store visible in Google search results when people look for products you sell. Unlike blog SEO, e-commerce SEO deals with hundreds or thousands of product and category pages that need to rank while maintaining good site performance and user experience. The core components include technical optimization like fast page speed, mobile responsiveness, clean URL structures, and proper pagination handling for category pages with dozens of products. You also need structured data markup for products, prices, availability, and reviews so Google can show rich snippets in search results. Product page optimization is critical. Each product needs a unique title tag and meta description, descriptive product copy beyond manufacturer descriptions, optimized images with alt text, and internal links from related products and categories. Thin content is the biggest trap—stores that copy manufacturer descriptions across identical products or have barely any text on category pages typically don't rank. Category and collection pages need optimization too. These should target broader commercial keywords like "men's running shoes" while product pages target specific models. Category descriptions, faceted navigation that doesn't create duplicate content, and logical site hierarchy all matter. Internal linking structure separates winning e-commerce sites from mediocre ones. Your homepage should link to main categories, categories to subcategories and top products, products to related items. This distributes link equity and helps Google understand what matters most. At Ottawa SEO, we see stores with 500-5000 products where 80% of organic traffic comes from 20% of pages. The strategy isn't optimizing everything equally—it's identifying your money pages (high-margin products, popular categories) and building authority there first. Technical fixes like eliminating duplicate content from filters, managing out-of-stock pages properly, and implementing canonical tags correctly often unlock more traffic than writing better product descriptions ever will.