Comment by alextgordon

I think the best way to do it would be an XML file referenced from a meta tag. This is a property of websites, not web pages, so it makes sense to put all the information in one place.

    <!-- page.html -->
    <meta name="msapplication-jumplist" content="http://arstechnica.com/jumplist.xml">
    
    <!-- jumplist.xml -->
    <?xml version="1.0" encoding="UTF-8"?>
    <jumplist>
        <name>Ars Technica</name>
        <starturl>http://arstechnica.com/</starturl>
        <tooltip>Ars Technica: Serving the technologist for 1.2 decades</tooltip>

        <task>
            <name>News</name>
            <action-uri>http://arstechnica.com/</action-uri>
            <icon-uri>http://arstechnica.com/favicon.ico</icon-uri>
        </task>
        <task>
            <name>Features</name>
            <action-uri>http://arstechnica.com/features/</action-uri>
            <icon-uri>http://static.arstechnica.net/ie-jump-menu/jump-features.ico</icon-uri>
        </task>
        <!-- etc -->
    </jumplist>