2. HTML5 Primer

HTML is the coding language used to mark content types on the page and add structure using tags. Over the past 20 years or so, the language has changed—some tags were added, some removed, and some stayed exactly the same. HTML5 is the most recent version, adding tags to improve the ability to structure pages semantically, insert audio and video clips, and create more meaningful forms. Although mostly supported by all major Web browsers, there are still plenty of older browsers out there that do not support HTML5 at all. Fortunately, you can do something about that.

First, let’s ...

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