What is HTML5?What?

Sir Timothy John Berners-Leeborn 8 June 1955

also known as "TimBL"

+WHATWG

(Web Hypertext Application Technology Working Group)

HOW GOOD?How?

HTML4

HTML5

Semantic Markup<article><aside><command><details><summary><figure><figcaption><footer>

<header><hgroup><mark><meter><nav><progress><ruby><rt>

<rp><section><time><wbr>

Form Enhancement

<datalist>

<keygen>

<output>

New Input Type Attribute Values

telsearchurlemaildatetimedateMonthweek

timedatetime-localnumberrangecolor

New Media Elements<audio>

<video>

<source>

<embed>

<canvas>

Content Editable

Browsersupport

Mozilla Firefox 3.6+ Safari 5 Chrome 10

Internet Explorer 9+ Opera 11

HTML5With SEO

- page segmentation- tag <article>- tag <section>- tag <header>- tag <footer>- tag <nav>

HTML5With SEO