Markdown does not have a standard way to change the size of an image, common way to change image size in Markdown is to use some HTML code instead of Markdown syntax.
The minified file version provides the same functionality while reducing the bandwidth of network requests, which can result in faster page load times and better overall user experience.
Clearing the confusion on different types of DOM as you may have heard like regular, shadow, or virtual.
I discuss some HTML topics like living standard, semantic markup, accessibility, and more.