What are microdata (or microdatas)?
A HTML5 feature represented by new attributes that allow information to be tagged directly within the element carrying this information.
A data format inspired by JSON that allows communication between a client and a server in a faster and more optimized way.
It is a term that refers to the set of techniques that allow semantic meaning to be added to the content of the HTML page.
It is a set of information that allows the content of a resource (file, image, ...) to be described precisely.