## What is JAMStack? JAMstack stands for Javascript API Markup. It’s a modern way of building a web app based on client side technologies that use Javascript, and APIs to extends its functionality like pulling content or authorization. And a prebuilt Markup For example here I have a Gatsby website that pulls the content from Contentful. Gatsby is the javascript part because it’s built with javascript it also Provides the M part which is the prebuilt Markup once that is loaded by the user Gatsby will lazily load React and turn my website into a fully fledged React App. The API part here is Contentful I am using Contentful's API to pull content and render it at build time in my website but since a Gatsby website is a full-blown React App at the end of the day you can call APIs also at runtime like Authentication. ## What is not JAMStack? A monolithic server-run web app that relies on a server technology like Ruby, python or Nodejs. What is also not JAMstack is a website that is baked