Overview of WordPress Schemas

Overview of WordPress Schemas

Schemas are a vocabulary of HTML attributes and values that describe the content of the document. The concept of this vocabulary was born out of a collaboration between members of Google, Microsoft, Yahoo and Yandex and has since become a project that is maintained by those founding organizations, in addition to members from the W3C and individuals in the community. In fact, you can view the Schema community’s activity and connect with the group on their open community page.

You may see the term structured data tossed around when schemas are being discussed and that’s because it’s a good description for how schemas work. They provide a lexicon and hierarchy in the form of data that add structure and detail to HTML markup. That, in turn, makes the content of an HTML document much easier for search engines to crawl, read, index and interpret. If you see structured data somewhere, then we’re really talking about schemas as well.

#The Schema Format
Schema can be served in three different formats: Microdata, JSON-LD and RDFa. RDFa is one we aren’t going to delve into in this post because Microdata and JSON-LD make up the vast majority of use cases. In fact, as we dive into a working example later in this post, we’re going to shift our entire focus on JSON-LD.

Let’s illustrate the difference between Microdata and JSON-LD with an example of a business listing website, where visitors can browse information about local businesses. Each business is going to be an item that has additional context, such as a business type, a business name, a description, and hours of operation. We want our search engines to read that data for the sake of being able to render that information cleanly when returning search results. You know, something like this:

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