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HTML, XHTML, CSS, & Other Web Design Resources
HTML character codes from the World Wide Web Consortium (W3C)
HTML character codes – Another good source; I find this one easier to use.
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.
CSS3: The Missing Manual, 4th edition, 2015, by David Sawyer McFarland – This is my favorite and most-used HTML and CSS reference book.
Build Your Own Web Site The Right Way Using HTML & CSS, 3rd edition, 2011, by Ian Lloyd – eBook
A few others I have seen recommended:
HTML & XHTML: The Definitive Guide, 6th edition, 2006, by Chuck Musciano and Bill Kennedy
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