HTML, XHTML, CSS, & Other Web Design Resources
Style Guides and Usability
The Yahoo! Style Guide – A guide to writing and formatting content for the web.
References
The World Wide Web Consortium (W3C)
HTML character codes from the World Wide Web Consortium (W3C)
HTML character codes – Another good source; I find this one easier to use.
Validation Resources
W3C Markup Validation Service – Checks the validity of HTML, XHTML, etc., of web pages. Includes links for other validation tools for content such as RSS feeds and mobile-friendly web pages.
W3C CSS Validation Service – Checks the validity of cascading style sheets.
W3C Link Checker – Checks all the links in web pages.
Browser Shots – Tests the appearance of web pages on a number of different browsers.
Books
CSS: The Missing Manual, 2nd edition, 2009, by David Sawyer McFarland – Covers CSS2.1 but also includes valuable HTML and XHTML coding. This is my favorite and most-used HTML and CSS reference book.
Build Your Own Web Site The Right Way Using HTML & CSS, 2nd edition, 2008, by Ian Lloyd – This is a more extensive book that covers CSS2.1 but focuses on XHTML far more than HTML.
A few others I have seen recommended:
HTML, XHTML, & CSS, 6th edition, 2006, by Elizabeth Castro
CSS: The Definitive Guide, 3rd edition, 2006, by Eric A. Meyer
HTML & XHTML: The Definitive Guide, 6th edition, 2006, by Chuck Musciano and Bill Kennedy
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