Specifications for webpage URLs.
Historical RFC1866 HTML 2.0 specification is discussed.
HTML specifications set by the W3C.
Covers markup language specifications for HTML 4.01, CSS2, XHTML 1.0, and XML 1.0.
A detailed list of HTML tags.
Historical W3C specification.
International standard for HTML 4.0, which is a refinement of W3C's HTML 4.0 standard.