HTML 4.01 / XHTML 1.0 Reference

Ordered by Function

  • NN: indicates the earliest version of Netscape that supports the tag
  • IE: indicates the earliest version of Internet Explorer that supports the tag
  • DTD: indicates in which XHTML 1.0 DTD the tag is allowed. S=Strict, T=Transitional, and F=Frameset 
Start tag Purpose NN IE DTD
Basic Tags
<!DOCTYPE> Defines the document type STF
<html> Defines an html document 3.0 3.0 STF
<body> Defines the body element 3.0 3.0 STF
<h1> to <h6> Defines header 1 to header 6 3.0 3.0 STF
<p> Defines a paragraph 3.0 3.0 STF
<br> Inserts a single line break 3.0 3.0 STF
<hr> Defines a horizontal rule 3.0 3.0 STF
<!–…–> Defines a comment 3.0 3.0 STF
Char Format
<b> Defines bold text 3.0 3.0 STF
<font> Deprecated. Defines text font, size, and color 3.0 3.0 TF
<i> Defines italic text 3.0 3.0 STF
<em> Defines emphasized text 3.0 3.0 STF
<big> Defines big text 3.0 3.0 STF
<strong> Defines strong text 3.0 3.0 STF
<small> Defines small text 3.0 3.0 STF
<sup> Defines superscripted text 3.0 3.0 STF
<sub> Defines subscripted text 3.0 3.0 STF
<bdo> Defines the direction of text display 6.2 5.0 STF
<u> Deprecated. Defines underlined text 3.0 3.0 TF
Output
<pre> Defines preformatted text 3.0 3.0 STF
<code> Defines computer code text 3.0 3.0 STF
<tt> Defines teletype text 3.0 3.0 STF
<kbd> Defines keyboard text 3.0 3.0 STF
<var> Defines a variable 3.0 3.0 STF
<dfn> Defines a definition term 3.0 STF
<samp> Defines sample computer code 3.0 3.0 STF
<xmp> Deprecated. Defines preformatted text 3.0 3.0
Blocks
<acronym> Defines an acronym 6.2 4.0 STF
<abbr> Defines an abbreviation 6.2 STF
<address> Defines an address element 4.0 4.0 STF
<blockquote> Defines a long quotation 3.0 3.0 STF
<center> Deprecated. Defines centered text 3.0 3.0 TF
<q> Defines a short quotation 6.2 4.0 STF
<cite> Defines a citation 3.0 3.0 STF
<ins> Defines inserted text 6.2 4.0 STF
<del> Defines deleted text 6.2 4.0 STF
<s> Deprecated. Defines strikethrough text 3.0 3.0 TF
<strike> Deprecated. Defines strikethrough text 3.0 3.0 TF
Links
<a> Defines an anchor 3.0 3.0 STF
<link> Defines a resource reference 4.0 3.0 STF
Frames
<frame> Defines a sub window (a frame) 3.0 3.0 F
<frameset> Defines a set of frames 3.0 3.0 F
<noframes> Defines a noframe section 3.0 3.0 TF
<iframe> Defines an inline sub window (frame) 6.0 4.0 TF
Input
<form> Defines a form 3.0 3.0 STF
<input> Defines an input field 3.0 3.0 STF
<textarea> Defines a text area 3.0 3.0 STF
<button> Defines a push button 6.2 4.0 STF
<select> Defines a selectable list 3.0 3.0 STF
<optgroup> Defines an option group 6.0 6.0 STF
<option> Defines an item in a list box 3.0 3.0 STF
<label> Defines a label for a form control 6.2 4.0 STF
<fieldset> Defines a fieldset 6.2 4.0 STF
<legend> Defines a title in a fieldset 6.2 4.0 STF
<isindex> Deprecated. Defines a single-line input field 3.0 3.0 TF
Lists
<ul> Defines an unordered list 3.0 3.0 STF
<ol> Defines an ordered list 3.0 3.0 STF
<li> Defines a list item 3.0 3.0 STF
<dir> Deprecated. Defines a directory list 3.0 3.0 TF
<dl> Defines a definition list 3.0 3.0 STF
<dt> Defines a definition term 3.0 3.0 STF
<dd> Defines a definition description 3.0 3.0 STF
<menu> Deprecated. Defines a menu list 3.0 3.0 TF
Images
<img> Defines an image 3.0 3.0 STF
<map> Defines an image map 3.0 3.0 STF
<area> Defines an area inside an image map 3.0 3.0 STF
Tables
<table> Defines a table 3.0 3.0 STF
<caption> Defines a table caption 3.0 3.0 STF
<th> Defines a table header 3.0 3.0 STF
<tr> Defines a table row 3.0 3.0 STF
<td> Defines a table cell 3.0 3.0 STF
<thead> Defines a table header 4.0 STF
<tbody> Defines a table body 4.0 STF
<tfoot> Defines a table footer 4.0 STF
<col> Defines attributes for table columns 3.0 STF
<colgroup> Defines groups of table columns 3.0 STF
Styles
<style> Defines a style definition 4.0 3.0 STF
<div> Defines a section in a document 3.0 3.0 STF
<span> Defines a section in a document 4.0 3.0 STF
Meta Info
<head> Defines information about the document 3.0 3.0 STF
<title> Defines the document title 3.0 3.0 STF
<meta> Defines meta information 3.0 3.0 STF
<base> Defines a base URL for all the links in a page 3.0 3.0 STF
<basefont> Deprecated. Defines a base font 3.0 3.0 TF
Programming
<script> Defines a script 3.0 3.0 STF
<noscript> Defines a noscript section 3.0 3.0 STF
<applet> Deprecated. Defines an applet 2.0 3.0 TF
<object> Defines an embedded object 3.0 STF
<param> Defines a parameter for an object 3.0 3.0 STF
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