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Common Ideas Between HTML and XHTML

As of this writing, HTML and XHTML are both being used to create Web sites. But there are multiple versions of each, with specific changes and ideas attached. The following table shows the current W3C HTML and XHTML recommendations of note.

HTML Versus XHTML: Which Should We Use, and Why?

HTML 4.01 is as valuable as XHTML 1.0 in a daily usage. The syntax proposed by XHTML 1.0 has several important benefits. The weight of these benefits has to be evaluated in the context of your project: Use the right tool for the right job. For a Web designer, starting to use XHTML 1.0 will be helpful in some circumstances and will certainly help you to smoothly negotiate the future. XHTML 1.0 gives a wonderful opportunity to learn about XML languages and their possibilities without having to learn new semantics because you’re working with familiar tags and attributes.

What’s the Difference Between HTML and XHTML?

If you’ve mastered HTML, you’re 90% of the way towards using XHTML. They’re actually very much the same thing—tag-based markup languages used to display Web pages. The difference is only seen by the people creating the pages (Web designers, programmers, etc.) and focuses on “forgivability”— HTML allows for some ugly code (mixed case tags like , improperly nested elements, and unclosed tags), while XHTML does not. If you write HTML, it’s probably a good idea to start using XHTML practices anyway. It will take 5 minutes to learn, and it’s just a better way of doing things.

The Basics of HTML

In this article you will learn the basics of HTML—what it is, what it does, its history in brief, and what the structure of an HTML document looks like.

Long Live the Q Tag

IE/Win does not render these quotation marks, and because of this, most web authors choose not to use the Q tag. I'm here to change all that!

Rescue Terrible HTML with TagSoup

XHTML is a friendly enough format for parsing and screen-scraping, but the Web still has a lot of messy HTML out there. In this tip Uche Ogbuji demonstrates the use of TagSoup to turn just about any HTML into neat XHTML.

XHTML, HTTP accept-header and MIME-type application/xhtml+xml

In 2005 it is high time to start serving XHTML as XML on a grand scale. Others have been doing it for years. I have been doing it since Christmas. Switching between XHTML as xml and text/html is easy using the HTTP accept header.

Fast and Easy XHTML

Wondering how to turn your HTML markup into XHTML? Here are a few quick tips to teach you the very basics, a sample XHTML document, and resources for more information.

Differences Between XHTML and HTML

XHTML is the next generation of HTML, but it will of course take some time before browsers and other software products are ready for it. In the meantime there are some important things you can do to prepare yourself for it. As you will learn from this tutorial, XHTML is not very different from HTML 4.01, so bringing your code up to 4.01 standards is a very good start. Our complete HTML 4.01 reference can help you with that. In addition, you should start NOW to write your HTML code in lowercase letters, and NEVER make the bad habit of skipping end tags like the

XHTML 1.0 Reference

A collection of the valid tags and attributes within XHTML 'strict' encoding, with examples.

XHTML Tutorial

In this tutorial you will learn the difference between HTML and XHTML. You will also learn how this Web site was converted to XHTML.

MarkUp Validation Service

A free service that checks documents like HTML and XHTML for conformance to W3C Recommendations and other standards.