WordPress 3.x will automatically remove iFrame tags when you switch between HTML and Visual mode. In order to prevent that issue, simply install TSL iframe unfilter plugin.This will fix the issue of Youtube iframe embedded code disappearing or any other iframe code you’ve got. To automatically center Youtube videos using the iframe embedded code (supporting for flash and HTML5), edit style.css in Appearance->Editor, and add the lines /* Align iFrame Youtube Videos */ .youtube-player { display: block; margin: 0 auto; } Jean-Luc Aufranc (CNXSoft)Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011. www.cnx-software.com
Support for HTML5 Youtube Videos (iFrame) in WordPress
