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Andreas Rejbrands webbplats

Web design: HTML5 is a W3C Recommendation

HTML5 became a W3C recommendation last week (28 October 2014). Therefore I have now changed the doctype of my main websites from XHTML 1.0 Strict to HTML5. Since I have been thinking in terms of the HTML5 semantics a long time, only very minor changes had to be made in order to make the pages make full use of the new language. Besides changing the doctype, I have performed substitutions such as <div id="footer"> to <footer>. Indeed, the main benefit of the new doctype is that I can use the new HTML5 semantic elements, such as <header>, <footer>, <main>, <nav>, and <article>, to make the markup more semantic. For instance, consider the main layout of a typical web page on this site:

Screenshot of a typical web page with header, navigational links, main body, and footer

The markup of this body is now

<div id="chlang"></div>
<div id="logobar"></div>



Recall that the <nav> contains an unordered list of list items, each being a hyperlink.

In addition, the News page, which contains a number of articles, makes perfect use of the <article> and <header> elements:

<article id="ITEM208">
<p>Body text...</p>
<article id="ITEM207"></article>
<article id="ITEM206"></article>
<article id="ITEM205"></article>
<article id="ITEM204"></article>

(Recall that each article header contains a heading and a metadata name–value DL.)

Of course, HTML5 has many more benefits in addition to the semantic elements listed above. For instance, I can now use the <video> element to embed videos. I have actually already done so for quite some time on a small number of pages, but not until now will pages with such content validate.

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