HyperText Markup Language(HTML) is the document format used on the Web. Web pages are built with HTML tags embedded in the text. HTML defines the page layout, fonts and graphic elements as well as the hypertext links to other documents on the Web. Each link contains the URL, or address, of a Web page residing on the same server or any server worldwide, hence "World Wide" Web.

HTML 2.0 was defined by the Internet Engineering Task Force (IETF) with a basic set of features, including interactive forms capability. Subsequent versions added more features such as blinking text, custom backgrounds and tables of contents. However, each new version requires agreement on the tags used, and browsers must be modified to implement those tags.

Extensible HTML (XHTML) is a markup language for Web pages from the W3C. XHTML combines HTML and XML into a single format. Like XML, XHTML can be extended with proprietary tags. Also like XML, XHTML must be coded more rigorously than HTML.

Dynamic HTML (DHTML) is a combination of HTML enhancements, scripting language and interface that are used to deliver animations, interactions and dynamic updating on Web pages. The two major elements are the ECMAScript language and the DOM object model. ECMAScript is a derivative of JavaScript, and DOM is an interface that presents the HTML document to the programmer as an object model for ease in updating.

There are many programs out there which will generate HTML code from a users’ graphical input. As an agency we however still prefer to code “by hand” as this allows us greatest control over our output.

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Related Technologies

JavaScript
XML

External Links

W3.org HTML
W3.org XHTML
HTML goodies
W3Schools
Dynamic Drive

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