HTML Resource Center
DOCTYPE - Document Type Declaration

A description of HTML 4.0 Document Type Declarations for giving the version of HTML to which a document adheres.

Activating the Right Layout Mode Using the Doctype Declaration

Explains how browsers use doctype sniffing to switch the layout mode between the quirks mode and the standards mode.

A List Apart: Articles: Fix Your Site With the Right DOCTYPE!

You've used valid CSS, XHTML, and the W3C DOM, yet your site is failing in standards compliant browsers like Mozilla, IE5/Mac, and IE6. A faulty DOCTYPE is to blame.

Using !DOCTYPE

If you don't define the DOCTYPE or document type definition, newer browsers (version 6+) will assume you didn't write your markup to a standard and provide some strange results. Learn how to write a DOCTYPE that says what you mean and means what you say.

Using the DOCTYPE Tag - webreference.com

Having trouble with your Web pages? Can't get them to display correctly in your browser? It might be that your page is a little 'quirky;.

XHTML 1.0: Where XML and HTML meet (1/8) - exploring XML - webreference.com

HTML has now been reformulated in XML. Many new non-PC devices will surf the Web soon, or are already doing it. Make your site available to them by migrating your site to XHTML.

The Opera 7 and 8 DOCTYPE Switches

Overview over what document types and content types trigger Quirks Mode or Standards Mode (as well as WML 2.0 processing) in Opera 7 and 8

DOCTYPEs and their Respective Layout Modes - The Web Standards Project

The Web Standards Project is a grassroots coalition fighting for standards which ensure simple, affordable access to web technologies for all.

HTML Tip: Declare Your DOCTYPE

You've carefully written and edited your HTML code, validated your style sheets, and painstakingly debugged your JavaScript code. But the page STILL doesn't look right! You could swear that some browsers are completely ignoring parts of your code.

Browser News: Resources - DOCTYPEs

This weekly web-based newsletter offers news about browsers and web design, helps you find browsers old and new, presents design resources, and reports internet statistics.

DOCTYPE Defines HTML Version -- Baughan and Company

There are three DTDs in HTML4, one in XHTML. In HTML4, usually you only need the Transitional (Loose) DTD, with the Frameset DTD used on Frames pages. Here's a simple description.

XHTML Tutorial - Part 1

Learn the new language which is set to replace HTML, making sites compatible across a whole range of systems. (Free Webmaster Help)

Doctype, HTML Tutorial, W3c DOCTYPE, Directive, SGML, Strict, Transitional, Code, Web-Wise-Wizard

DOCTYPE. This SGML tutorial explains that HTML standards state that each HTML document requires a document type declaration, to tell Web browsers, Web Robots and HTML validators which version of HTML to use when parsing a document (checking the syntax).

W3C Validation - DOCTYPEs - DTD - Document Type Definition

In order for a website to validate with the W3C, a properly formatted DOCTYPE is required at the very top of your html, before the html tag. Here is a list of currently used DOCTYPEs and DTDs along with their proper formatting.

dtd

The Nemesis Project is a CSS resource featuring links, articles, scripts and tips. There is also DTD information and a handy META tag generator. The home page has News articles in weblog format. The design is pure CSS and includes a style changer.

HotSource HTML Help - HTML - Make your First Webpage

This resource covers many areas of webpage authoring beyond HTML including Cascading Style Sheets, JavaScript, Dynamic HTML, CGI, Graphics Design, Ethics and Design, Publicizing and Promoting your Website, and Frequently Asked Questions.

First line of HTML code <!DOCTYPE HTML PUBLIC .

Webmaster discussion on numerous topics including Website design, programming, scripting, hosting, server administration, search engines, and operating systems

Frontpage 2002 - DOCTYPE ? - HTML

Frontpage 2002 - DOCTYPE ?, a discussion topic in our HTML forum. Join us for more discussions on software, scripts, programming, HTML and Frontpage 2002 - DOCTYPE ?.

Test your Website using free HTML validation and spell check

Learn to test your Website using online HTML validation, spell check, verify links and determine your download time free.

About DOCTYPE

SearchWin - Search text (file content) and file names in Windows using multiple search terms. Find files quickly and easily without using ancient DOS filename or wildcard parameters. SearchWin adds Internet like Search Engine capability to Windows File System.

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