This can all be defined through the use of a combination of analytics tools like Google analytics and marketing automation software like Marketo, Leadlander or Eloqua. 'In the world of the consumer, it is easy enough to judge success with your online marketing efforts. To put it plainly, success=sales. Even more obvious is success for eCommerce sites. Success+checkout thank you message. So what determines success? Traffic is not your most important metric. Visitor engagement with your site, quality of that experience, and custom KPIs are what matter. Onpage SEO is not enough.