href
src
link
url
<strong>
<em>
<mark>
<span>
required
mandatory
checked
validate
autostart
loop
autoplay
play=true
<time>
<canvas>
<img>
<svg>
<vector>
<img src="image.jpg">
<img alt="image.jpg">
<img src="image.jpg" alt="Description">
<img src="image.jpg" description="Description">
color
select
paint
rgb
section
nav
menu
aside
<div>
<br>
<header>
<list>
<dropdown>
<select>
<menu>
<lb>
<break>
<line>
<style src="styles.css">
<link href="styles.css" rel="stylesheet">
<link src="styles.css">
<style href="styles.css">
<maxlength>
<limit>
<size>
<max>
<sound>
<audio>
<music>
<song>
<input type="checkbox">
<check>
<box>
<input type="check">
<h1>
<h6>
<heading>
<title>
<meta lang="en">
<html lang="en">
<header lang="en">
<body lang="en">
<iframe>
<meta>
<content>
<viewport>
<charset>
<alt>
<tooltip>
<info>
<fieldset>
<formgroup>
<section>
<href>
<action>
<method>
<formtarget>
<footer>
<bottom>
<end>
<nav>
<progress>
<meter>
<status>
<range>
<class>
<style>
<id>
<inline>
<b>
<dl>
<ol>
<ul>
<video>
<movie>
<film>
<media>
<embed>
<object>
<link>
<li>
<form method="submit">
<form action="POST">
<form method="post">
<form post="submit">
POST
GET
PUT
DELETE
<td>
<th>
<tr>
<thead>
alt
<article>
<embed audio="audio.mp3">
<audio src="audio.mp3"<>/audio>
<sound src="audio.mp3"<>/sound>
<media src="audio.mp3"<>/media>
<password>
<submit>
<checkbox>
placeholder
<input>
<blockquote>
<cite>
<q>
<quote>
<a href="URL" target="_blank">
<a href="URL" new="tab">
<a href="URL" open="newtab">
<a href="URL" window="new">
<aside>
<source>
<script>
<table>
<output>
<result>
display: block
block: true
position: block
visibility: block
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