You can refer "Implementing Adaptive Images in AEM" in the below documentation:https://helpx.adobe.com/in/experience-manager/6-3/sites/developing/using/responsive.htmlhttps://helpx.adobe.com/in/experience-manager/6-3/sites/developing/using/responsive.html

Can someone please do a tutorial on how to setup advanced ecommerce, all of them are not clear, what is dtm_ga??? And where is the original code fromthis post?