HTML5の全要素

html, head, title, base, link, meta, style, 
body, article, nav, aside, h1, h2, h3, h4, h5, h6, hgroup, header, footer, address, 
p, hr, pre, blockquote, ol, ul, menu, li, dl, dt, dd, figure, figcaption, main, div, 
a, em, strong, small, s, cite, q, dfn, addr, ruby, rt, rp, data, time, code, var, samp, kbd, sub, sup, i, b, u, mark, bdi, bdo, span, br, wbr, 
ins, del, 
picture, source, img, 
iframe, embed, object, param, video, audio, track, map, area, 
table, caption, colgroup, col, tbody, thead, tfoot, tr, td, th, 
form, label, input, button, select, datalist, optgroup, option, textarea, output, progress, meter, fieldset, legend, 
details, summary, dialog, 
script, noscript, template, slot, canvas, 

ドキュメント要素

html, head, title, base, link, meta, style, 

セクション

body, article, nav, aside, h1, h2, h3, h4, h5, h6, hgroup, header, footer, address, 

コンテンツのグループ化

p, hr, pre, blockquote, ol, ul, menu, li, dl, dt, dd, figure, figcaption, main, div, 

テキストレベルのセマンティクス

a, em, strong, small, s, cite, q, dfn, addr, ruby, rt, rp, data, time, code, var, samp, kbd, sub, sup, i, b, u, mark, bdi, bdo, span, br, wbr, 

リンク

map, area, 

<a>

編集

ins, del, 

埋め込みコンテンツ

picture, source, img, 

表形式データ

table, caption, colgroup, col, tbody, thead, tfoot, tr, td, th,

フォーム

form, label, input, button, select, datalist, optgroup, option, textarea, output, progress, meter, fieldset, legend, 

インタラクティブ要素

details, summary, dialog, 

スクリプト

script, noscript, template, slot, canvas, 

iframe, embed, object, param, video, audio, track, 

廃止・破棄

acronym, applet, basefont, bgsound, big, blink, center, dir, font, frame, frameset, isindex, marquee, nobr, noembed, noframes, strike, tt, 
command, comment, ilayer, keygen, layer, listing, menuitem, multicol, nextid, nolayer, plaintext, rb, rbc, rtc, server, spacer, xmp

再度採用

s, u, 

参考