HTTP

• HTTP 1.1

DOM

DOM 1

• DOM 1 Core
• DOM 1 HTML

DOM 2

• Core
• Views
• Events
• Stylesheets and CSS
• Traversal and Ranges
• HTML

DOM 3

• ...

HTML

• HTML 4.01
• XHTML 1

CSS

CSS 1

• CSS 1

CSS 2

• CSS 2
• CSS 2.1

CSS 3

• Color
• Selectors
• ...