Apis: The APIs are used to store the user data in the database or handling authentication.
Markup: Site markup can prebuilt during the build time by using a static site generator.
- Each time you click on a new page or blog post in the WordPress site we make a network request to the server and we need to wait until the server builds that page and sends back to the client it often sometimes server fail to build a webpage during the heavy load.
- The hosting cost is also very cheap for the Jamstack sites compare to the other tech stacks.(Lamp or mean etc).
- High security.
The site you are currently browsing is also build with jamstack by using the Gatsby static site generator.
they are many more sites.
I have a complete tutorial of how to build a jamstack blog by using gatsbyjs and react.