Get the meta element out of your markup and and send the header over HTTP instead.
On Apache, add this to your root .htaccess file:
Header set X-UA-Compatible "IE=edge"
The solution for now is to produce your videos in multiple formats.
Table 1. Browser support by video format
Browser
MP4
WebM
Ogg
Internet Explorer 9
Yes
No
No
Firefox 4.0
No
Yes
Yes
Google Chrome 6
Yes
Yes
Yes
Apple Safari 5
Yes
No
No
Opera 10.6
No
Yes
Yes
Note: For the latest compatibility information, always check the CanIUse website.
A more robust way to create the fallback is to use a JavaScript utility like Modernizr to evaluate the browser's capabilities and then dynamically write the video and source tags or embed the Flash video player using SWFObject.
Tip 3: The source tag should always include the "type" attribute with the correct MIME type value. You may need to add an .htaccess file to your server to define the MIME types as well. Check out the Video for everybody article for more tips on MIME types.
Tip 2: The video tag includes a range of parameters that you can use to configure the video. See the Mozilla article Using HTML5 audio and video for more information.
Tip 1: The Adobe Media Encoder does not currently export video to Ogg or WebM format. You can use the Firefogg add-on for Firefox to encode video to Ogg Theora format, or you can use Miro Video Converter to encode video to WebM or Ogg Theora format.
Besides the data- prefix, the name of a valid custom data attribute must contain only letters, numbers, hyphen (-), dot (.), colon (:) or underscore (_). It cannot contain capital letters.
I recommend you use this method for quick prototypes rather than a production website, not least because CSS-only tooltips are not fully accessible.
How to transfer the default code to html5? Here it is: open the functions.php (you can find it in the theme folder), then copy and paste the following php code to the functions.php
Previous/next buttons (or pagination)
I would say yes to this because it is important to the overall structure and hierarchy of the blog/site
Search form
For me, a definite yes, but it is not mentioned in the spec. A search form is hugely important to the navigation of a site, particularly large sites which rely almost solely on their search engine.
Breadcrumbs
Again, I would say yes to this as well. Although breadcrumbs are not always necessary and can be used when not applicable, on large sites a breadcrumb trail can be an important navigation aid.
Breadcrumbs
Again, I would say yes to this as well. Although breadcrumbs are not always necessary and can be used when not applicable, on large sites a breadcrumb trail can be an important navigation aid.
"How to enable and tags in all major browsers
To make HTML5 video and audio tags work in all major browsers, simply add the following line of code somewhere in the of your document.
"
The :required attribute works on radio buttons. If you put required on one radio button (or all), that particular group of radio buttons will be required. On checkboxes, makes each individual checkbox required (to be checked).