<a href hreflang media ping rel target type>
<abbr title>
<address>
<area alt coords href hreflang media ping rel shape target type>
<article>
<aside>
<audio autoplay controls end playcount loopend loopstart src start>
<b>
<base href target>
<bdo dir>
<blockquote cite>
<body>
<br>
<canvas height width>
<caption>
<cite>
<code>
<col span>
<colgroup span>
<command checked default disabled hidden icon label radiogroup title type>
<datagrid disabled multiple>
<datatemplate>
<dd>
<del cite datetime>
<details open>
<dfn title>
<dialog>
<div>
<dl>
<dt>
<em>
<embed height src type width>
<event-source src>
<figure>
<footer>
<h1>
<h2>
<h3>
<h4>
<h5>
<h6>
<head>
<header>
<hr>
<html manifest>
<i>
<iframe name src>
<img alt height ismap src usemap width>
<ins cite datetime>
<kbd>
<legend>
<li value>
<link href hreflang media rel sizestitle type>
<mark>
<map>
<menu autosubmit label type>
<meta charset content http-equiv name>
<meter high low max min optimum value>
<nav>
<nest filter mode>
<noscript>
<object data height name type usemap width>
<ol reversed start>
<p>
<param name value>
<pre>
<progress max value>
<q cite>
<rule condition mode>
<samp>
<script async defer src type>
<section>
<small>
<source media src type>
<span>
<strong>
<style media scoped title type>
<sub>
<sup>
<table>
<tbody>
<td colspan rowspan>
<tfoot>
<th colspan rowspan scope>
<thead>
<time datetime>
<title>
<tr>
<ul>
<var>
<video autoplay controls end height playcount loopend loopstart poster src start width>
<button accesskey action autofocus disabled enctype form method name replace tabindex template type value>
<datalist data>
<fieldset disabled form>
<form accept accept-charset action data enctype method replace>
<input accept accesskey action alt autocomplete autofocus checked disabled enctype form inputmode list maxlength method min max name pattern step readonly replace required size src tabindex template type value>
<label accesskey for>
<optgroup disabled label>
<option disabled label selected value>
<output for form name>
<select accesskey autofocus data disabled form multiple name size tabindex>
<textarea accept accesskey autofocus cols disabled form inputmode maxlength name readonly required rows tabindex wrap>
class
contenteditable
contextmenu
data-* (custom attributes)
dir
draggable
id
irrelevant
lang
ref
registrationmark
style
tabindex
template
title
onabort
onbeforeunload
onblur
onchange
onclick
oncontextmenu
ondblclick
ondrag
ondragend
ondragenter
ondragleave
ondragover
ondragstart
ondrop
onerror
onfocus
onkeydown
onkeypress
onkeyup
onload
onmessage
onmousedown
onmousemove
onmouseout
onmouseover
onmouseup
onmousewheel
onresize
onscroll
onselect
onstorage
onsubmit
onunload
These attributes are allowed on any element. When used on non-HTML elements these attributes have to be namespaced.
Thanks to Matt McDonald for doing the real work that made this page possible.
Simon Pieters