# NextJS vs ReactJS

## NextJS

* NextJS is a framework with a set of libraries that work together to build a web app, and one of those libraries is ReactJS.
    
* Next is a framework for react which is built upon react library.
    
* NextJS, we can build an entire web application.
    
* Next is a famous server-side rendering and static generation of websites
    
* NextJS features include automatic building size optimization, faster developer compilation, a preview mode, static export, and pre-rendering.
    
* Next can be difficult for someone to learn without prior ReactJS knowledge.
    
* The web apps built using NextJS are very fast
    
* NextJS offers better features
    

## ReactJS

* React is a JavaScript library that helps you to build user interfaces using components as building blocks.
    
* React is a library, not a framework
    
* ReactJS helps in building the beautiful UI of a web application
    
* React on the other side doesn’t support server-side rendering.
    
* Facebook built on ReactJS, an open-source front-end JavaScript library, in 2012. Web pages and mobile applications commonly use ReactJS for development.
    
* React can be easier to learn as compared to NextJS but you still need to learn vanilla JavaScript
    
* The web apps built using ReactJS are slow as compared to NextJS
    
* ReactJS offers better developer support.