head Attribut: dir "ltr"|"rtl" [4.01] lang "en-US"|"fr-CA"|... [4.01] profile URI [4.01] prefix Dans la balise: html Peut contenir: meta, title, style, link, script Exemple: <!-- opengraph prefix (facebook) --> <head prefix="og: http//ogp.me/ns#"> </head> Javascript: HTMLHeadElement Liens: HTML 3.2 HEAD HTML 4.01 HEAD HTML 5 H1