<main>The <main> element represents the dominant content of a document. It is commonly used together with <header> and <footer>.landmark-elementsLandmark elementswidely2015-07-292018-01-29https://html.spec.whatwg.org/multipage/grouping-content.html#the-main-elementhttps://developer.mozilla.org/docs/Web/HTML/Reference/Elements/mainhtml.elements.mainhttps://nowyoucanuse.com/features--main.html