From a crawler/automation perspective, bar some extra ingenuity it's good to use the likes of <article> to differentiate the 'main' content of a page versus the

From a crawler/automation perspective, bar some extra ingenuity it's good to use the likes of <article> to differentiate the 'main' content of a page versus the navigation/template. Also nowadays worth considering structured data to help clarify the meaning of a page and the entities within it.