Chapter 1. HTML5 Page Structures

In 2004, a group of developers from Apple, Opera, and Mozilla were unhappy with the direction that HTML and XHTML were heading. In response, they formed a group called the Web Hypertext Application Technology Working Group (WHATWG). They published their first proposals in 2005 under the name Web Applications 1.0. In 2006, the World Wide Web Consortium (W3C) decided to support WHATWG officially rather than to continue developing XHTML. In 2007, the new specification was republished by the W3C under the name HTML5.

While it was thought that the final specifications would not be published until 2022, that timeline is now being reconsidered. In 2009–2010, there was an explosion of interest in HTML5 and, as a result, ...

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