@MatthewPhillips, In the real world the HTML output is not like JSON or XML as you told. It is used to show data to a human and most of the time it contains a

@MatthewPhillips, In the real world the HTML output is not like JSON or XML as you told. It is used to show data to a human and most of the time it contains a lot of elements that are not related with the resource data even if it is not representing more than a resource in the same page. The interaction with a human doesn't happen in the same way as with another system.