| HTML 1.0 1993年 | HTML 2.0 1995年 | HTML 3.2 1997年 | HTML 4.0* 1997年 | HTML 5 2014年 | HTML 5.1 2016年 | HTML 5.2 2017年 | HTML LS 2011年～ |
|---|---|---|---|---|---|---|---|
| A | A | A | A | A | A | A | A |
| ABBR | ABBR | ABBR | ABBR | ABBR | |||
| ACRONYM | |||||||
| ADDRESS | ADDRESS | ADDRESS | ADDRESS | ADDRESS | ADDRESS | ADDRESS | ADDRESS |
| APPLET | APPLET▲ | ||||||
| AREA | AREA | AREA | AREA | AREA | AREA | ||
| ARTICLE | ARTICLE | ARTICLE | ARTICLE | ||||
| ASIDE | ASIDE | ASIDE | ASIDE | ||||
| AUDIO | AUDIO | AUDIO | AUDIO | ||||
| B | B | B | B | B | B | B | B |
| BASE | BASE | BASE | BASE | BASE | BASE | BASE | BASE |
| BASEFONT | BASEFONT▲ | ||||||
| BDI | BDI | BDI | BDI | ||||
| BDO | BDO | BDO | BDO | BDO | |||
| BIG | BIG | ||||||
| BLOCKQUOTE | BLOCKQUOTE | BLOCKQUOTE | BLOCKQUOTE | BLOCKQUOTE | BLOCKQUOTE | BLOCKQUOTE | BLOCKQUOTE |
| BODY | BODY | BODY | BODY | BODY | BODY | BODY | BODY |
| BR | BR | BR | BR | BR | BR | BR | |
| BUTTON | BUTTON | BUTTON | BUTTON | BUTTON | |||
| CANVAS | CANVAS | CANVAS | CANVAS | ||||
| CAPTION | CAPTION | CAPTION | CAPTION | CAPTION | CAPTION | ||
| CENTER | CENTER▲ | ||||||
| CITE | CITE | CITE | CITE | CITE | CITE | CITE | CITE |
| CODE | CODE | CODE | CODE | CODE | CODE | CODE | CODE |
| COL | COL | COL | COL | COL | |||
| COLGROUP | COLGROUP | COLGROUP | COLGROUP | COLGROUP | |||
| DATA | DATA | DATA | DATA | ||||
| DATALIST | DATALIST | DATALIST | DATALIST | ||||
| DD | DD | DD | DD | DD | DD | DD | DD |
| DEL | DEL | DEL | DEL | DEL | |||
| DETAILS | DETAILS | DETAILS | |||||
| DFN | DFN | DFN | DFN | DFN | DFN | DFN | |
| DIALOG | DIALOG | ||||||
| DIR | DIR | DIR | DIR▲ | ||||
| DIV | DIV | DIV | DIV | DIV | DIV | ||
| DL | DL | DL | DL | DL | DL | DL | DL |
| DT | DT | DT | DT | DT | DT | DT | DT |
| EM | EM | EM | EM | EM | EM | EM | EM |
| EMBED | EMBED | EMBED | EMBED | ||||
| FIELDSET | FIELDSET | FIELDSET | FIELDSET | FIELDSET | |||
| FIGCAPTION | FIGCAPTION | FIGCAPTION | FIGCAPTION | ||||
| FIGURE | FIGURE | FIGURE | FIGURE | ||||
| FONT | FONT▲ | ||||||
| FOOTER | FOOTER | FOOTER | FOOTER | ||||
| FORM | FORM | FORM | FORM | FORM | FORM | FORM | |
| FRAME | |||||||
| FRAMESET | |||||||
| H1 | H1 | H1 | H1 | H1 | H1 | H1 | H1 |
| H2 | H2 | H2 | H2 | H2 | H2 | H2 | H2 |
| H3 | H3 | H3 | H3 | H3 | H3 | H3 | H3 |
| H4 | H4 | H4 | H4 | H4 | H4 | H4 | H4 |
| H5 | H5 | H5 | H5 | H5 | H5 | H5 | H5 |
| H6 | H6 | H6 | H6 | H6 | H6 | H6 | H6 |
| HEAD | HEAD | HEAD | HEAD | HEAD | HEAD | HEAD | HEAD |
| HEADER | HEADER | HEADER | HEADER | ||||
| HGROUP | |||||||
| HR | HR | HR | HR | HR | HR | HR | |
| HTML | HTML | HTML | HTML | HTML | HTML | HTML | HTML |
| I | I | I | I | I | I | I | I |
| IFRAME | IFRAME | IFRAME | IFRAME | IFRAME | |||
| IMG | IMG | IMG | IMG | IMG | IMG | IMG | IMG |
| INPUT | INPUT | INPUT | INPUT | INPUT | INPUT | INPUT | |
| INS | INS | INS | INS | INS | |||
| ISINDEX | ISINDEX | ISINDEX | ISINDEX▲ | ||||
| KBD | KBD | KBD | KBD | KBD | KBD | KBD | KBD |
| KEY | |||||||
| KEYGEN | KEYGEN | ||||||
| LABEL | LABEL | LABEL | LABEL | LABEL | |||
| LEGEND | LEGEND | LEGEND | LEGEND | LEGEND | |||
| LI | LI | LI | LI | LI | LI | LI | LI |
| LINK | LINK | LINK | LINK | LINK | LINK | LINK | LINK |
| LISTING | LISTING | LISTING | |||||
| MAIN | MAIN | MAIN | MAIN | ||||
| MAP | MAP | MAP | MAP | MAP | MAP | ||
| MARK | MARK | MARK | MARK | ||||
| MENU | MENU | MENU | MENU▲ | MENU | MENU | ||
| MENUITEM | |||||||
| META | META | META | META | META | META | META | |
| METER | METER | METER | METER | ||||
| NAV | NAV | NAV | NAV | ||||
| NEXTID | NEXTID | ||||||
| NOFRAMES | |||||||
| NOSCRIPT | NOSCRIPT | NOSCRIPT | NOSCRIPT | NOSCRIPT | |||
| OBJECT | OBJECT | OBJECT | OBJECT | OBJECT | |||
| OL | OL | OL | OL | OL | OL | OL | OL |
| OPTGROUP | OPTGROUP | OPTGROUP | OPTGROUP | OPTGROUP | |||
| OPTION | OPTION | OPTION | OPTION | OPTION | OPTION | OPTION | |
| OUTPUT | OUTPUT | OUTPUT | OUTPUT | ||||
| P | P | P | P | P | P | P | P |
| PARAM | PARAM | PARAM | PARAM | PARAM | |||
| PICTURE | PICTURE | PICTURE | |||||
| PLAINTEXT | PLAINTEXT | PLAINTEXT | |||||
| PRE | PRE | PRE | PRE | PRE | PRE | PRE | PRE |
| PROGRESS | PROGRESS | PROGRESS | PROGRESS | ||||
| Q | Q | Q | Q | Q | |||
| RB | RB | RB | RB | ||||
| RBC | |||||||
| RP | RP | RP | RP | RP | |||
| RT | RT | RT | RT | RT | |||
| RTC | RTC | RTC | RTC | ||||
| RUBY | RUBY | RUBY | RUBY | RUBY | |||
| S▲ | S | S | S | S | |||
| SAMP | SAMP | SAMP | SAMP | SAMP | SAMP | SAMP | SAMP |
| SCRIPT | SCRIPT | SCRIPT | SCRIPT | SCRIPT | SCRIPT | ||
| SECTION | SECTION | SECTION | SECTION | ||||
| SELECT | SELECT | SELECT | SELECT | SELECT | SELECT | SELECT | |
| SLOT | |||||||
| SMALL | SMALL | SMALL | SMALL | SMALL | SMALL | ||
| SOURCE | SOURCE | SOURCE | SOURCE | ||||
| SPAN | SPAN | SPAN | SPAN | SPAN | |||
| STRIKE | STRIKE▲ | ||||||
| STRONG | STRONG | STRONG | STRONG | STRONG | STRONG | STRONG | STRONG |
| STYLE | STYLE | STYLE | STYLE | STYLE | STYLE | ||
| SUB | SUB | SUB | SUB | SUB | SUB | ||
| SUMMARY | SUMMARY | SUMMARY | |||||
| SUP | SUP | SUP | SUP | SUP | SUP | ||
| SVG | |||||||
| TABLE | TABLE | TABLE | TABLE | TABLE | TABLE | ||
| TBODY | TBODY | TBODY | TBODY | TBODY | |||
| TD | TD | TD | TD | TD | TD | ||
| TEMPLATE | TEMPLATE | TEMPLATE | TEMPLATE | ||||
| TEXTAREA | TEXTAREA | TEXTAREA | TEXTAREA | TEXTAREA | TEXTAREA | TEXTAREA | |
| TFOOT | TFOOT | TFOOT | TFOOT | TFOOT | |||
| TH | TH | TH | TH | TH | TH | ||
| THEAD | THEAD | THEAD | THEAD | THEAD | |||
| TIME | TIME | TIME | TIME | ||||
| TITLE | TITLE | TITLE | TITLE | TITLE | TITLE | TITLE | TITLE |
| TR | TR | TR | TR | TR | TR | ||
| TRACK | TRACK | TRACK | TRACK | ||||
| TT | TT | TT | TT | ||||
| U | U | U▲ | U | U | U | U | |
| UL | UL | UL | UL | UL | UL | UL | UL |
| VAR | VAR | VAR | VAR | VAR | VAR | VAR | VAR |
| VIDEO | VIDEO | VIDEO | VIDEO | ||||
| WBR | WBR | WBR | WBR | ||||
| XMP | XMP | XMP |