12 SEO tips for large ecommerce websites 12 SEO tips for large ecommerce websites With more pages than you can even get your head around and issues like product variants, complex filtering systems and expired products, SEO for ecommerce sites requires a different kind of SEO strategy. Author Categories Approaching SEO for large ecommerce sites can be overwhelming. With more pages than you can even get your head around and issues like product variants, complex filtering systems and expired products, SEO for ecommerce sites requires a different kind of SEO strategy. Let’s be clear: all of the same keyword research and onsite optimization practices apply to ecommerce sites as they would for your standard brochure site. That’s the first step in the process, and we won’t cover those points here.