HTML doctype

Related:
• HTML 5 <!doctype>
• XML <!doctype>

The information on this page is based on HTML version 4.01 (which is the current version of HTML). The next version, HTML 5, is currently being written. Here's a list of HTML 5 tags.

The HTML !doctype tag is used for specifying which version of HTML the document is using. This is referred to as the document type declaration (DTD).

The HTML document type declaration starts off with <!doctype html public, followed information on the HTML specification that the document conforms to.

HTML 4.01 has 3 possible doctypes: HTML 4 Strict, HTML 4 Transitional, and HTML 4 Frameset. Every HTML document you create should have one of these three DTDs. The DTD you use will depend on how strict you want your HTML to be and whether you are using frames or not.

HTML 4 Strict

This document type includes all HTML elements except those that have been deprecated, and those that appear in frameset documents.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

HTML 4 Transitional

This document type includes all HTML elements including those that have been deprecated.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

HTML 4 Frameset

This document type includes all HTML elements in the transitional DTD as well as those in framed document.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">

Also see the HTML 5 version of HTML tags

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HTML Resources

HTML Tags

HTML doctype

HTML 4 Strict

HTML 4 Transitional

HTML 4 Frameset

Also see the HTML 5 version of HTML tags

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HTML Resources HTML Home HTML Tutorial HTML Codes HTML Templates HTML 4 Tags HTML 5 Tags HTML Tags <!--...--> <!doctype> <a> <abbr> <acronym> <address> <applet> <area> <b> <base> <basefont> <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> <h1> <h2> <h3> <h4> <h5> <h6> <head> <hr> <html> <i> <iframe> <img> <input> <ins> <isindex> <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>
	HTML doctype Related: • HTML 5 `<!doctype>` • XML `<!doctype>` The information on this page is based on HTML version 4.01 (which is the current version of HTML). The next version, HTML 5, is currently being written. Here's a list of HTML 5 tags. The HTML `!doctype` tag is used for specifying which version of HTML the document is using. This is referred to as the document type declaration (DTD). The HTML document type declaration starts off with `<!doctype html public`, followed information on the HTML specification that the document conforms to. HTML 4.01 has 3 possible doctypes: HTML 4 Strict, HTML 4 Transitional, and HTML 4 Frameset. Every HTML document you create should have one of these three DTDs. The DTD you use will depend on how strict you want your HTML to be and whether you are using frames or not. HTML 4 Strict This document type includes all HTML elements except those that have been deprecated, and those that appear in frameset documents. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> HTML 4 Transitional This document type includes all HTML elements including those that have been deprecated. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> HTML 4 Frameset This document type includes all HTML elements in the transitional DTD as well as those in framed document. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd"> Also see the HTML 5 version of HTML tags Enjoy this website? Share Add this page to your Favorites Link to this page (copy/paste into your own website or blog): <a href="http://www.quackit.com/html/tags/doctype_html_public.cfm">HTML doctype</a> from Quackit.com Link to Quackit using one of these banner ads. Help support Quackit by making a donation Oh, and thank you for supporting Quackit!