Tutorial: RDFa—markup with Schema.org
Tag your website with RDFa according to Schema.org’s guidelines
  • Website creation

Recommended by W3C as a standard for embedding metadata into HTML, HTML5, XHTML, and other XML dialects, this data format forms the foundation for the semantic web. The project Schema.org provides a standard vocabulary for the markup format. Find out more about its applications and limits and get a feel for tagging with RDFa.

Tag your website with RDFa according to Schema.org’s guidelines
Tutorial: JSON-LD with Schema.org
Marking up your website with JSON-LD according to Schema.org
  • Website creation

JSON LD gives the programmers the possibility of embedding meta data as script separately from web content. Separating HTML markup and semantic annotation helps ensure a more easily read source text and facilitates tagging meta data for dynamic web content. All of this makes JSON-LD a serious competitor of the data formats RDFa and Microdata.

Marking up your website with JSON-LD according to Schema.org
Structured data: an introduction
What is structured data?
  • Website creation

While humans automatically structure data when reading a website, programs like web crawlers or screen readers have to rely on special labeling in order to grasp sematic relationships. This additional information can be embedded in HTML code through a corresponding markup for structured data. Website owners have four formats at their disposal for this task: Microformats, RDFa, Microdata, and...

What is structured data?