Ecommerce SEO services cover a greater breadth and depth of activity than what applies to lead generation websites. Search engine optimization (SEO) is one of the most effective and affordable ways to grow your ecommerce store and increase your income. Ecommerce websites often have very large product catalogs, thousands of web pages to optimize, complex duplicate content issues (especially when it comes to product pages), a lack of unique content on the web. Web. entire site, bad URL structure and imperfect product category. strategy.