| HTML或者XHTML版本 | !DOCTYPE声明 |
|---|---|
| HTML 2.0 | <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| HTML 3.2 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> |
| HTML 4.0 Transitional | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| HTML 4.0 Frameset | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd"> |
| HTML 4.0 Strict | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
| HTML 4.01 Transitional | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| HTML 4.01 Frameset | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd"> |
| HTML 4.01 Strict | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
| HTML 5 | <!DOCTYPE html> |
| XHTML 1.0 Trasitional | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Trasitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-trasitional.dtd"> |
| XHTML 1.0 Strict | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
| XHTML 1.0 Frameset | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"> |
| XHTML 1.1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1.dtd"> |
| XHTML 2.0 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 2.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml2.dtd"> |
| XHTML Basic 1.0 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd"> |
| XHTML Basic 1.0 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd"> |