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HTML5 Tags
<!--><!DOCTYPE>
<a>
<abbr>
<acronym>
<address>
<applet>
<area>
<article>
<aside>
<audio>
<b>
<base>
<basefont>
<bdi>
<bdo>
<big>
<blockquote>
<body>
<br>
<button>
<canvas>
<caption>
<center>
<cite>
<code>
<col>
<colgroup>
<command>
<datalist>
<dd>
<del>
<details>
<dfn>
<dir>
<div>
<dl>
<dt>
<em>
<embed>
<fieldset>
<figcaption>
<figure>
<font>
<footer>
<form>
<frame>
<frameset>
<h1> - <h6>
<head>
<header>
<hgroup>
<hr>
<html>
<i>
<iframe>
<img>
<input>
<ins>
<keygen>
<kbd>
<label>
<legend>
<li>
<link>
<map>
<mark>
<menu>
<meta>
<meter>
<nav>
<noframes>
<noscript>
<object>
<ol>
<optgroup>
<option>
<output>
<p>
<param>
<pre>
<progress>
<q>
<rp>
<rt>
<ruby>
<s>
<samp>
<script>
<section>
<select>
<small>
<source>
<span>
<strike>
<strong>
<style>
<sub>
<summary>
<sup>
<table>
<tbody>
<td>
<textarea>
<tfoot>
<th>
<thead>
<time>
<title>
<tr>
<track>
<tt>
<u>
<ul>
<var>
<video>
<wbr>
HTML5 <meta> http-equiv Attribute
Example
Refresh document every 30 seconds:
<meta http-equiv="refresh" content="30" />
</head>
Try it yourself »
Browser Support
The http-equiv attribute is supported in all major browsers.
Definition and Usage
The http-equiv attribute provides an HTTP header for the information/value of the content attribute.
The http-equiv attribute can be used to simulate an HTTP response header.
Differences Between HTML 4.01 and HTML5
Using http-equiv is no longer the only way to specify the character set of an HTML document:
- HTML 4.01: <meta http-equiv="content-type" content="text/html; charset=UTF-8">
- HTML5: <meta charset="UTF-8">
Syntax
Attribute Values
| Value | Description |
|---|---|
| content-type | Specifies the character encoding for the document. Example: <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> |
| default-style | Specified the preferred style sheet to use. Example: <meta http-equiv="default-style" content="id_of_link_element" /> |
| refresh | Defines a time interval for the document to refresh itself.
Example: <meta http-equiv="refresh" content="300" /> Note: The value "refresh" should be used carefully, as it takes the control of a page away from the user. Using "refresh" will cause a failure in W3C's Web Content Accessibility Guidelines. |
HTML5 <meta> tag
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