Live Tiles support in IE11

Scenario 1: Using HTML

Use HTML to set up periodic notifications on the current webpage.
You should use HTML for your pinned sites customizations when your polling URIs or polling frequency are not subject to change.

Scenario 2: Using JavaScript

Use JavaScript to set up periodic notifications on current webpage.
You should use JavaScript for your liveness when you required higher levels of customizability in turning live tiles on and off or customizing the polling URIs. JavaScript also enables scheduled notifications or lets the webpage track the user's site pinning action.

Scenario 3: Using XML

Specify an XML file which contains your pinned sites customizations.
You should use the XML file if you want to turn on live tiles for your entire domain. You can specify the location of this XML file through the msapplication-config tag as shown in this example. In the absence of this tag, IE will check the root of your server for the file: "browserconfig.xml" and apply its contents to all the URLs on your domain. Use this approach for a simple live tile implementation that is not subject to change and works on your entire website.

See also

Reference

Pinned Sites API Reference

List of Tile Templates

Conceptual

BuildMyPinnedSite Wizard

IE11 Dev Guide: Pinned Site enhancements

Pinned Sites Developer Documentation

Internet Explorer Test Drive

Live Tiles for websites