You can, and that is how it's mostly done now. But that isn't semantically correct. A div tag is just a div tag - like all other div tags. An article tag is "

You can, and that is how it's mostly done now. But that isn't semantically correct. A div tag is just a div tag - like all other div tags. An article tag is "a div tag", unlike all other div tags. It tells that this is the main part of the webpage.