OSDS - Structured Data Sniffer 4+

A browser extension for discovering and interacting knowledge graphs embedded in HTML documents as enhanced metadata and/or structured data islands.

Supported stuctured data formats include Microdata, RDFa, JSON-LD, RDF-Turtle, RDF-XML, CSV, JSON, RSS, and Atom.

Benefits?
Generally, it adds new data-gps dimension to Web exploration informed by metadata and knowledge graphs embeddedd in HTML docments.
For Digital Brand Managers, Digital Content Managers, and Semantic Search Engine Optimization (SSEO) practitioners it provides access to important
information that's increasingly used by Search Engine algorithms with regards to Search Engine Results Positioning or Placement (SERPs).

How is it used?
Simply install the extension to your browser and then visit a page of interest. On page arrival, the OSDS icon will be visually activated thereby indicating metadata and/or knowledge graph discovery; once the icon is clicked, information discovered will be presented using a familiar property-sheet layout.