Tag <html> HTML Reference

Example

A simple HTML document, with the minimum of required tags:

<html>
<head>
<title>Title of the document</title>
</head>

<body>
The content of the document......
</body>

</html>

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

1. Definition and Usage

The <html> tag tells the browser that this is an HTML document.

The <html> element is also known as the root element.

The <html> tag is the container for all other HTML elements (except for the<!DOCTYPE> tag).

2. Differences Between HTML and XHTML

The xmlns attribute is required in XHTML, but invalid in HTML.

However, the HTML validator at http://www.w3.org does not complain when the xmlns attribute is missing in an XHTML document. This is because the namespace "xmlns=http://www.w3.org/1999/xhtml" is default, and will be added to the <html> tag even if you do not include it.

3. Required Attributes

DTD indicates in which HTML 4.01/XHTML 1.0 DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute Value Description DTD
xmlns http://www.w3.org/1999/xhtml Specifies the namespace to use (only for XHTML documents!) STF

4. Standard Attributes

The <html> tag supports the following standard attributes:

Attribute Value Description DTD
dir rtl
ltr		 Specifies the text direction for the content in an element STF
lang language_code Specifies a language code for the content in an element STF
xml:lang language_code Specifies a language code for the content in an element, in XHTML documents STF

5. Event Attributes

The <html> tag does not support any event attributes.

Other HTML/XHTML tags:

<a> <abbr> <acronym> <address> <area> <b> <base> <bdo> <big> <blockquote> <body> <br> <button> <caption> <center> <cite> <code> <col> <colgroup> <dd> <del> <dfn> <dir> <div> <dl> <dt> <em> <fieldset> <font> <form> <frame> <frameset> <head> <h1> - <h6> <hr> <html> <i> <iframe> <img> <input> <ins> <kbd> <label> <legend> <li> <link> <map> <menu> <meta> <noframes> <noscript> <object> <ol> <optgroup> <option> <p> <param> <pre> <q> <s> <samp> <script> <select> <small> <span> <strike> <strong> <style> <sub> <sup> <table> <tbody> <td> <textarea> <tfoot> <th> <thead> <title> <tr> <tt> <u> <ul> <var>

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