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 |
来源：https://www.cnblogs.com/flame/archive/2006/05/09/394664.html