HTML is Hyper Text Markup Language and is what the web is based on from the simplest to the most complex web site. If you are a Web Developer or Designer, or an aspiring one, you will need to understand HTML and know how to use it when creating and developing web pages. This tutorial article from Sitepoint, titled Bulletproof HTML: 37 Steps to Perfect Markup, highlights and answers some of the most frequently asked questions about HTML. 

Contents of 37 Steps to Perfect Markup (HTML):

1. What is HTML?
2. What are the different versions of HTML?
3. What about XHTML?
4. Is HTML case-sensitive?
5. What does the DOCTYPE declaration do?
6. What is a DTD?
7. What is the difference between Strict, Transitional and Frameset DTDs?
8. Which DOCTYPE should I use?
9. Why should I validate my markup?
10. Why does HTML allow sloppy coding?
11. Why does the validator complain about my <embed> tag?
12. What does character encoding (charset) mean?
13. What is a BOM?
14. What encoding should I declare?
15. How do I insert characters outside the encoding range?
16. Why do I need to write &amp; instead of just &?
17. How should heading elements be used?
18. What are block-level and inline elements?
19. Can I make an inline element block-level with CSS?
20. Why are external CSS and JavaScript files a good idea?
21. Should I use p or br?
22. What does "semantic" mean?
23. Should I replace b and i with strong and em?
24. Why are layout tables considered harmful?
25. Should I use divs instead of layout tables?
26. Are tables deprecated?
27. What is the correct use of the address element type?
28. What is the correct use of the dfn element type?
29. What is the correct use of the var element type?
30. Should I use quotation marks within or around a q element?
31. What is the difference between abbr and acronym?
32. Why is <feature X> deprecated?
33. Must I have an alt attribute for every image?
34. What is the difference between class and id?
36. Why doesn't <a href=My Cool Page.html> work?
37. How can I include an HTML page in another HTML page?

This is a Web Page Layout and Design Tutorial, provided by the Interactive Media Center of the University at Albany. The goal of this tutorial is to provide an overview of the most important web components and concepts that you will need to understand and know when building a Web page.

The pages of this web layout and design tutorial are divided into right and left halves. The left half provides the main content. The right half features interactive elements, additional information, or examples. As you go through the tutorial, follow the instructions, click the buttons, and try the quizzes to see how much you have learned.

Web Layout and Design Tutorial Table of Contents:

• How this Tutorial Works
• Defining a Web Site
• Identifying the Purpose of a Web Site
• Identifying Who will Visit the Site 
• Serving the Needs of the Client
• Basic Web Design Concepts
• Proximity
• Alignment
• Repitition
• Contrast
• Navigation
• Navigation Styles
• Fonts
• Text Presentation
• Page Size and Layout
• Tables
• Tips, Tricks, and Questions