Firefox1+Safari1+Chrome1+Opera12.1+Edge79+Edge (Legacy)12+Internet Explorer5.5+Firefox Android?Safari iOS?Chrome Android?WebView Android?Samsung Internet?Opera Android12.1+ Categories:None.Contexts in which this element can be used:As document's document element.Wherever a subdocument fragment is allowed in a compound document.Content model:A head element followed by a body element.Tag omission in