What Is HTML5?

There’s been a lot of talk about HTML5 and all of the new elements it introduces. Forms will be built and used completely differently, the structure of documents will be much more semantic, and new features will be available to website and application developers.

But, what are these semantic elements? Are they really anything new? Will they change the structure of your document at all? The simple answer is “no”. The new elements, for the most part, just make your documents easier to parse and understand (for machines and for people using assistive technology). Very few of the new elements are really all that new; they’re just the same old elements with new names for new purposes.