If a website takes ages to load and seems confusing to navigate around, the chances are visitors will sigh heavily and go find another website; their potential purchase lost. So, if it is obvious that a poor shopping experience costs online customers, why are so many websites still rubbish? It makes sense to keep visitors to your site happy and especially to ensure they return repeatedly – Yaron Morgenstern shows how valuable it is to create a slick, user-friendly experience.