HTML

• ASCII Characters
• CodeFetch
• Email Encoder
• Free Class

• Hiding Email Addresses
• HTML Email Design
• HTML eNewsletters
• HTML Handy Tags
• HTML Special Characters
• Learn HTML
• Link Borders in Browsers
• Login Flowchart
• Meta tag information
• MIME Types
• MSDN HTML Reference
• Online Broken Link Checker
• Redirects-Other options
• Ron's HTML Tutorial
• SEO Guide to Status Codes
• Web Page Request Process
• What Are Websites Made Of?
• W3Schools Tutorial

XHTML

• Free Class
• XHTML.org
• XHTML Tutorial
• XHTML/CSS Examples

HTML 5

• Adobe Edge Animation Tool
• Adobe Expressive Web (beta)
• Audio Tag-Master It
• Blowing Up HTML5 Video & Mapping to 3D Space
• Boilerplate Template Base
• Coding a CSS3/HTML5 Website Template
• Create a Stylish HTML5 Template from Scratch
• Downloads on the Fly
• Grid Based Web Design in HTML5/CSS3
• Elastic Video Layout
• Element Listing
• Fireworks
• Grayscale Image Hover
• HTML5 Outliner Tool
• Layout from Scratch
• Living Standard
• Optimize Images with HTML5 Canvas
• Polyfill Progress Bar
• Progress Bar using HTML5 Canvas
• Sticky Note Effect using HTML5/CSS3

HTML5 Frameworks

• iUI HTML5 Framework

W3C

• XHTML/CSS Validator
• XHTML 1.1 Standards
• HTML 4.01 Standard
• HTML Validator
• HTML 5

404 Pages

• 404 Page Ideas
• 404 Page Designs
• Best 404 Page Designs
• Creating Useful 404 Pages
• CSS3 Animations on 404 Pages