- HyperText Markup Language (HTML) [W3C]
- Standards, specifications, and guidelines on how to use the HTML and XHTML markup languages. From the World Wide Web Consortium, an organisation that proposes and maintains technical standards for the Web. HTML Tags
- Complete index and cross-reference of HTML tags; part of an ongoing project to bring accurate, material to the Internet community.- Compendium of HTML Elements
- Reference manual of all tags in general use. - htmlcompendium.org
- Compendium of HTML, MathML, and CSS elements. - Quick Reference Site, The
- Offers quick reference cards in PDF format for HTML and programming as well as books and free software. - Index DOT Html
- Technical reference on HTML, the tags, and the browsers that support them. Includes complete coverage of style sheets as well. - HTML-Tags.info
- Quick-reference to HTML tags with attributes and values for XHTML 1.1. - Webmonkey: Color Charts
- Features HTML colour chart along with respective hexadecimal codes. - Webmonkey: HTML Cheatsheet
- An HTML cheat sheet for website designers and creators, offering a list of commonly used HTML tags and codes. - W3Schools.com: HTML 4.01 / XHTML 1.0 Reference
- Find the complete list of HTML 4.01 and XHTML 1.0 tags along with their usages arranged by functions like char formats, frames, tables, lists, etc. - W3Schools.com: HTML and XHTML Event Attributes
- Find the complete list of standard event attributes that can be used as HTML and XHTML elements to trigger various event actions. - W3Schools.com: HTML and XHTML Standard attributes
- Reference list of all the standard HTML and XHTML attributes.
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