Note, that Schema.org breadcrumb has been replaced by the newer BreadcrumbList. Please see the How to Implement Schema.org BreadcrumbList with Breadcrumb NavXT article for more information.
Unlike Google’s Breadcrumb micodata format, Schema.org’s microdata format for breadcrumbs is very easy to implement. There is no need for nested tags, or overly verbose and redundant tags. Instead, there is just two modifications from the standard Breadcrumb NavXT setup.
Breadcrumbs are a property of the Schema.org WebPage CreativeWork type. The first thing you must do to use the Schema.org microdata is declare the body of the (x)HTML page to be of type WebPage. You’ll need to modify your current WordPress theme so that the opening body tag is:
<body itemscope itemtype="http://schema.org/WebPage">
Once we’ve declared our body to be of type WebPage, all we have to do is include itemprop=”breadcrumb” in the div wrapping around the breadcrumb trail. For example, we’d use:
<div itemprop="breadcrumb" class="breadcrumbs">
<?php if(function_exists('bcn_display')) { bcn_display(); }?>
</div>
That’s it! Note that this does not work with the included widget in 4.0.1, and is something that will be changed for the next release.
-John Havlik
[end of transmission, stay tuned]
