NGFB / WPSSO – What are “Meta Property Containers”?

The NextGEN Facebook (NGFB) and WordPress Social Sharing Optimization (WPSSO) plugins offer a “Meta Property Containers” option that you can enable / disable under their General Settings > Specific Websites and Publishers > Google / Schema tab. There are several ways to include Schema markup in webpages (see an Introduction to Structured Data from Google for examples):

  • JSON-LD machine-readable scripts for Google (see WPSSO JSON extension).
  • Microdata and RDFa markup of HTML tag attributes in theme templates (not recommended).
  • HTML meta tags in the webpage head section.

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