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HTML5, CSS3 & why its important

Evan Richards
November 22, 2011

HTML5, CSS3 & why its important

Use HTML5 & CSS now. This presentation is all about why I think this.

Evan Richards

November 22, 2011
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  1. 1999  –  2010,  Internet  usage  throughout  the   world  grew

     by  444.8%!!   Year 2000: XHTML 1.0 released as a candidate recommendation by the W3C. Currently used to build websites. Internet World Stats (2010)
  2. 5  billion  Internet  connected  devices!!   The Internet landscape has

    changed drastically since XHTML 1.0 was first introduced. People and society use the internet differently compared to when XHTML 1.0 was introduced back in 2000 This is because of the amount of devices available today IMS (2010)
  3. HTML5  and  CSS3  can  improve  the  current   browsing  experience

      XHTML 1.0 evolved the web in 2000 but complicates the implementation of common features such as video and audio. HTML5 vs Adobe Flash - Third party plugins cannot be used on handheld devices HTML5 is about markup and structure CSS3 is just decoration and how a page looks
  4. The  problem?   W3C will finalise HTML5 as a candidate

    recommendation in 2014 Developers would have faced 14 years using XHTML 1.0 Rolling specification, some elements are even classed as CSS4 CSS3  
  5. Don’t  wait  9ll  2014  to  use  HTML5  and  CSS3  

      You  CAN  use  them  now,  as  in  today!  
  6. How  do  websites  that  u9lise  older   specifica9ons  look  on

     handheld  devices?   Built using XHTML 1.0 and CSS 2.1 Hard to navigate Can’t read content clearly http://www.anglia.ac.uk
  7. CSS3  @media  queries   Enable different styles to be applied

    depending on the viewport size of the device accessing the website
  8. It’s  not  perfect!   Not all browsers support @media rule,

    especially older handheld devices Page load times can be slow when rendering images & downloading content that is hidden from view