JSON is a simple format that, besides reading and writing it is very simple for humans, it is also easy for machines to process and produce. LD: refers to the use of link data to link similar content across the Internet. JSON-LD: A combination of both. This feature helps you to easily disclose items such as the price of each product or author of each article, and so on.


RDF is a simple language for describing data models that refer to objects (resources) and their relationships. An RDF-based model can be presented in different grammars, such as RDF / XML, N3, Turtle and RDFa. RDF is a basic standard of semantic web.


Microdata is a WHATWG HTML specification used to nest metadata within existing content on web pages


JSON JavaScript Object Notation is a standard, lightweight, open source, legible, and human-readable standard for data transfer and replacement for xml.