what is ruby on rails used for

Ruby on Rails is an open-source web application development framework written in the Ruby programming language. It provides a pre-built structure for development and everything needed to build a web app, making web development easier. Ruby on Rails is used to build all types of web applications and services, including marketing websites, CMSs, eCommerce sites, and custom web applications. It is a popular web framework for startups because of its ease of use, which makes for quick application development with small teams. Some well-known companies that use Rails include Airbnb, Shopify, and Basecamp. Ruby on Rails is suitable for both state-of-the-art public websites that compete with Single Page JavaScript applications and complex enterprise core system applications. It is versatile and able to compete with both. The flexibility of Ruby on Rails simplifies the frontend and backend, making the creation of web applications more accessible. Ruby on Rails is also cost-efficient, as it comes with a complete toolbox providing the tools needed to build web applications and APIs quickly and without much effort.