1. Alter your master page to allow HTML5 Edit the masterpage of your site in Sharepoint Designer. Locate the following tag: DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd" > Simply remove everything behind “html” except the closing tag: DOCTYPE html > 2. Remove forced IE 8 rendering Your masterpage has a tag that pretty much says “Force this page to be rendered as an IE 8 browser would”. But IE 8 doesn’t support HTML 5 so get rid of it – delete the following line from your masterpage: < meta http-equiv ="X-UA-Compatible" content ="IE=8" /> 3. Back in your Sharepoint site, add a new Content Editor webpart on the page where you want the magic of HTML 5 to be displayed. Open the HTML editor for the contents (you’ll find it up at the ribbon, looks a little something like this: 4. Put your HTML 5 code into the HTML Source window that appears, click OK.
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