HTML and XHTML are the markup languages used to create a solid foundation for your website or web application, and articles in this category generally touch upon the semantics and accessibility aspects of marking up web pages.

PHP Labs

An excellent introduction to XHTML and how to build modular documents with PHP.

Posted on February 8, 2005

Heading Elements, Semantics and the Spec

Andy Budd on the use of heading elements.

Posted on February 7, 2005

Invisible Information

Some thoughts on semantics and invisible information in HTML documents.

Posted on February 5, 2005

The perils of using XHTML properly

A discussion of the issues involved in serving XHTML with the application/xhtml+xml MIME type.

Posted on January 18, 2005

Semantics of <span>

There are cases where span is the most appropriate element to use.

Posted on January 17, 2005

Block vs. Inline

A three-part series of articles on block-level and inline-level elements in HTML and CSS.

Posted on January 14, 2005

More DWWS translations available

Read about web standards and accessibility in eight languages.

Posted on January 14, 2005


Not everything in HTML is called a tag. Learn what is what.

Posted on December 20, 2004

Flash Totanus Loader

Yet another method to embed Flash in a valid XHTML 1.0 Strict document.

Posted on December 20, 2004

Forgotten Element Types

A reminder of the HTML elements we often forget to use.

Posted on December 16, 2004

The alt and title attributes

When browser vendors bend the standards and implement something in a different way than what the specification states, they may…

Posted on December 8, 2004

Strictly Speaking

If you’re going to use XHTML, don’t settle for Transitional.

Posted on December 1, 2004

Quotations and citations: quoting text

When quoting text in HTML, there are several ways of marking up the quoted text. Which way you choose depends…

Posted on November 24, 2004

The Mobile Web

The killer app for web standards?

Posted on November 17, 2004

Content negotiation

Content negotiation explained, step by step.

Posted on November 4, 2004

Bring on the tables

Avoid using tables for layout, but make sure to use them, and use them properly, for tabular data. This article explains how to make HTML data tables accessible.

Posted on October 27, 2004


HTML vs XHTML and separating data from formatting explained.

Posted on October 11, 2004

The case for XHTML

Why using XHTML is good, even if you serve it as text/html.

Posted on October 6, 2004

Safari and XHTML

I just want to share a couple of issues I’ve come across with Safari and XHTML served as application/xhtml+xml. I’m…

Posted on October 3, 2004

(X)HTML Specs Made Easy

Block level and inline level XHTML elements explained.

Posted on September 20, 2004

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