This HTML code represents an image element using the `img` tag. The `src` attribute specifies the URL of the image that will be displayed on the webpage. In this case, the image URL is "https://random.imagecdn.app/500/150". This URL most likely points to an image with a width of 500 pixels and a height of 150 pixels. When the webpage is loaded, the browser will request and display the image specified by this URL at the location where the `img` tag is placed in the HTML code.