Legend: Required / Optional / Forbidden, Yes / No
| Name | Start Tag | End Tag | Empty | Description |
|---|---|---|---|---|
| A | R | R | N | anchor |
| ACRONYM | R | R | N | acronym (e.g., WWW, HTTP, etc.) |
| ADDRESS | R | R | N | information on author |
| APPLET | R | R | N | Java applet |
| AREA | R | F | Y | client-side image map area |
| B | R | R | N | bold text style |
| BASE | R | F | Y | document base URL |
| BASEFONT | R | F | Y | base font size |
| BDO | R | R | N | I18N BiDi over-ride |
| BIG | R | R | N | large text style |
| BLOCKQUOTE | R | R | N | long quotation |
| BODY | O | O | N | document body |
| BR | R | F | Y | forced line break |
| BUTTON | R | R | N | push button |
| CAPTION | R | R | N | table caption |
| CENTER | R | R | N | shorthand for DIV with align=center |
| CITE | R | R | N | citation |
| CODE | R | R | N | computer code fragment |
| COL | R | F | Y | table column |
| COLGROUP | R | O | N | table column group |
| DD | R | O | N | definition description |
| DEL | R | R | N | deleted text |
| DFN | R | R | N | instance definition |
| DIR | R | R | N | directory list |
| DIV | R | R | N | generic language/style container |
| DL | R | R | N | definition list |
| DT | R | O | N | definition term |
| EM | R | R | N | emphasis |
| FIELDSET | R | R | N | form control group |
| FONT | R | R | N | local change to font |
| FORM | R | R | N | interactive form |
| FRAME | R | F | Y | subwindow |
| FRAMESET | R | R | N | window subdivision |
| H1 | R | R | N | heading |
| H2 | R | R | N | heading |
| H3 | R | R | N | heading |
| H4 | R | R | N | heading |
| H5 | R | R | N | heading |
| H6 | R | R | N | heading |
| HEAD | O | O | N | document head |
| HR | R | F | Y | horizontal rule |
| HTML | O | O | N | document root element |
| I | R | R | N | italic text style |
| IFRAME | R | R | N | inline subwindow |
| IMG | R | F | Y | Embedded image |
| INPUT | R | F | Y | form control |
| INS | R | R | N | inserted text |
| ISINDEX | R | F | Y | single line prompt |
| KBD | R | R | N | text to be entered by the user |
| LABEL | R | R | N | form field label text |
| LEGEND | R | R | N | fieldset legend |
| LI | R | O | N | list item |
| LINK | R | F | Y | a media-independent link |
| MAP | R | R | N | client-side image map |
| MENU | R | R | N | menu list |
| META | R | F | Y | generic metainformation |
| NOFRAMES | R | R | N | alternate content container for non frame-based rendering |
| NOSCRIPT | R | R | N | alternate content container for non script-based rendering |
| OBJECT | R | R | N | generic embedded object |
| OL | R | R | N | ordered list |
| OPTION | R | O | N | selectable choice |
| P | R | O | N | paragraph |
| PARAM | R | F | Y | named property value |
| PRE | R | R | N | preformatted text |
| Q | R | R | N | short inline quotation |
| S | R | R | N | sstrike-through text style |
| SAMP | R | R | N | sample program output, scripts, etc. |
| SCRIPT | R | R | N | script statements |
| SELECT | R | R | N | option selector |
| SMALL | R | R | N | small text style |
| SPAN | R | R | N | generic language/style container |
| STRIKE | R | R | N | strike-through text |
| STRONG | R | R | N | strong emphasis |
| STYLE | R | R | N | style info |
| SUB | R | R | N | subscript |
| SUP | R | R | N | superscript |
| TABLE | R | R | N | |
| TBODY | O | O | N | table body |
| TD | R | O | N | table data cell |
| TEXTAREA | R | R | N | multi-line text field |
| TFOOT | R | O | N | table footer |
| TH | R | O | N | table header cell |
| THEAD | R | O | N | table header |
| TITLE | R | R | N | document title |
| TR | R | O | N | table row |
| TT | R | R | N | teletype or monospaced text style |
| U | R | R | N | underlined text style |
| UL | R | R | N | unordered list |
| VAR | R | R | N | instance of a variable or program argument |