This is accomplished by using an <iframe> tag. The <iframe> tag specifies an inline frame that is automatically displayed when page loads. An inline frame is used to embed another document within the current HTML document.

<iframe name='BobsAutoWidget' style='min-height: 550px; width: 100%; border: 0; overflow-y: auto;' scrolling='no' src='http://bobsbestownauto.optimaplatform.com/Share/WidgetReviews?w=72D215EA06A44D7F80197D010A912B5F'></iframe>