h1 - h6

Funktion Markiert eine Überschrift
Parent-Elemente blockquote, body, button, dd, del, div, fieldset, form, iframe, ins, li, map, noscript, object, td, th
Child-Elemente a, abbr, area, b, base, bdi, bdo, br, button, caption, cite, code, col, colgroup, command, datalist, dd, details, dfn, dt, em, embed, html, i, iframe, img, input, kbd, keygen, label, legend, link, map, mark, meta, meter, nav, object, optgroup, option, param, progress, q, rp, rt, ruby, s, samp, script, select, small, source, span, strong, style, sub, summary, sup, tbody, textarea, thead, time, title, var, wbr
Attribute accesskey, class, contenteditable, contextmenu, data, dir, draggable, hidden, id, item, itemprop, lang, spellcheck, style, subject, tabindex, title
Bemerkung Keine spezifischen Attribute

head

Funktion Dokumentenkopf (Header) eines HTML-Dokuments
Parent-Elemente html
Child-Elemente base, link, meta, object, script, style
Attribute Keine spezifischen Attribute
Bemerkung Das Element title muss verwendet werden.

header

Funktion Kopfbereich des Inhalts
Parent-Elemente a, abbr, address, area, article, aside, audio, b, base, bdi, bdo, blockquote, body, br, button, canvas, caption, cite, code, col, colgroup, command, datalist, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, form, h1, h2, h3, h4, h5, h6,  hgroup, hr, html, i, iframe, img, input, ins, kbd, keygen, label, legend, li, link, map, mark, menu, meta, meter, nav, noscript, object, ol, optgroup, option, output, p, param, pre, progress, q, rp, rt, ruby, s, samp, script, section, select, small, source, span, strong, style, sub, summary, sup, table, td, tbody, textarea, th, thead, tfoot, time, title, tr, track, ul, var, video, wbr
Child-Elemente a, abbr, address, area, article, aside, audio, b, base, bdi, bdo, blockquote, br, button, canvas, caption, cite, code, col, colgroup, command, datalist, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, form, h1, h2, h3, h4, h5, h6, hgroup, hr, html, i, iframe, img, input, ins, kbd, keygen, label, legend, li, link, map, mark, menu, meta, meter, nav, noscript, object, ol, optgroup, option, output, p, param, pre, progress, q, rp, rt, ruby, s, samp, script, section, select, small, source, span, strong, style, sub, summary, sup, table, td, tbody, textarea, th, thead, tfoot, time, title, tr, track, ul, var, video, wbr
Attribute Keine spezifischen Attribute
Bemerkung  

hgroup

Funktion Überschriftengruppe
Parent-Elemente address, article, aside, audio, blockquote, body, canvas, del, div, dl, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, hr, ins, li, menu, noscript, ol, output, p, pre, section, table, td, tfoot, th, tr, track, ul, video
Child-Elemente h1, h2, h3, h4, h5, h6
Attribute Keine spezifischen Attribute
Bemerkung  

hr

Funktion Horizontale Linie
Parent-Elemente blockquote, body, button, dd, del, div, fieldset, form, iframe, ins, li, map, noscript, object, td, th
Child-Elemente keine
Attribute Keine spezifischen Attribute
Bemerkung Dies ist ein leeres Element.

html

Funktion Wurzelelement
Parent-Elemente Keine
Child-Elemente body, head
Attribute manifest
Bemerkung Der Einsatz der Child-Elemente muss in der Reihenfolge: head, dann body erfolgen.Es sind die oben genannten Attribute zwar erlaubt, in der Praxis werden jedoch keine Attribute verwendet.