What is JSON?
Also called: JavaScript Object Notation
The short answer
JSON is a lightweight text format for structured data, readable by people and machines, and the standard way web APIs send information.
JSON, explained
It is also the format of structured-data markup (JSON-LD) that tells search engines what a page describes.
Questions people ask about JSON
What is JSON?
JSON is a lightweight text format for structured data, readable by people and machines, and the standard way web APIs send information.
Related terms
An API is a defined way for one piece of software to ask another for data or actions, such as a site asking a payment service to charge a card.
Structured dataStructured data is code, usually JSON-LD using the Schema.org vocabulary, that labels what a page describes, such as a product, business, FAQ or article, for search engines and AI.
WebsiteA website is a collection of linked web pages published under one domain name, stored on a server and viewed in a web browser.
Web pageA web page is a single document on the web, identified by its own URL and written in HTML, that a browser renders for a visitor.
Part of the Web Encyclopedia by Apex Flow Digital. Definitions are general knowledge, kept current, with no invented statistics.