Ask any web developer today and they will probably tell you that design and development are just half the battle of creating a successful e commerce website. With the recent advent of Google Panda and Penguin patches, along with the more overarching rise of search engines in the online retail and sales sector in the last 10 to 20 years, it's difficult to imagine an effective online store front that hasn't made at least some effort to optimise their pages for the end user.