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What Makes Node.js Web Apps So Fast? Top 5 Best Use Cases for Node.js Development.

While many technologies come and go over time, Node js web development is the most stable JavaScript framework that has become popular in recent years and is expected to remain popular in the coming year.

What is Node.js?

Node.js is a cross-platform, open-source JavaScript run-time environment that allows JavaScript code to be executed outside of the browser. Despite the fact that.js is a filename extension for JavaScript, it allows the developer to use Javascript to write command lines for server-side scripting to produce dynamic web page content.

The Node.js platform is a JavaScript-based server-side runtime environment. Ryan Dahl created Node.js in 2009. It debuted at the European JSConf at the end of the year. Node.js is a programming language that combines Google’s V8 JavaScript engine, an event loop, and a low-level I/O API. It was initially only available on Linux and Mac OS, but a Windows version was released three years later.

What Can Node.js Do?

  • Node.js can produce the dynamic page content
  • Node.js is capable of creating, opening, reading, writing, deleting, and closing files on the server.
  • Node.js can collect form data.
  • Node.js can add, delete, and modify data in your database.

The Benefits of Node.js Development Include:

The Benefits of Node.js Development
  • It allows for the rapid development of real-time, high-traffic apps (eg. chats or gaming)
  • It allows you to code in JavaScript on both the client and server sides, which improves development efficiency by bridging the gap between frontend and backend developers (more on this later),
  • The ever-expanding NPM (Node Package Manager) provides developers with a plethora of tools and modules to use, thereby increasing productivity; 
  • code executes faster than in any other language; Node is ideal for microservices, which are a popular solution among enterprise applications.

What makes Node.js Web Apps so fast?

Node.js web app development services technology is similar to Ruby on Rails in that it is used to create and run a wide range of web applications. Its primary language is JavaScript, which is lightweight and manages a large number of plugins via Node Package Manager (NPM), allowing developers to create custom applications.

Node.js is used in the back-end with Angular, React, React Native, and Vue.js to provide lightning-fast handling and rendering.

Node.js Advantages:

  • Node.js is a single-threaded and asynchronous programming language. Every I/O operation does not interfere with other operations. This means you can read files, send emails, query the database, and so on all at once.
  • Each request to the web server DOES NOT result in the creation of a new NodeJS process. Instead, one NodeJS process is always running and listening for connections.
  • A JavaScript program is generated in the process’s main thread, and all I/O operations are executed in separate threads, resulting in almost no delays.
  • JIT compilation is used by the virtual machine in Node.js (V8) that executes JavaScript. When given source code, the virtual machine can compile it to machine code at runtime. This means that “hot” functions that are frequently called can be compiled to machine code.

What’s asynchronous?

Asynchronous I/O is a type of input/output processing that allows other processing to continue while the transmission is being completed.

Asynchronous programming, as we now know in JavaScript, can only be accomplished by making functions first-class citizens of the language: they can be passed around to other functions just like any other variable. Higher-order functions are functions that can take other functions as arguments.

The Event Loop

The event loop is at the core of Node.js / Javascript, and it is in charge of scheduling asynchronous operations. 

The flow of a program is ascertained by events such as user actions (mouse clicks, key presses), upscale, or messages from other programs/threads in event-driven coding.

Top 5 best use of Node. Js 

The clues imply that Node. js is best suited for applications that require a continuous connection between both the browser and the server.

These are some of the best examples of Node.JS Use Cases.

1. Big Data Analytics

Node.js help to make data processing more accessible. We already know that Node.js maintains a data flow between the browser and the server.

Unlike the others, it will allow the data to flow without interruption by breaking it up into smaller portions.

Online shopping/retail sites like Amazon are a good example of When to Use Node.js.

2. Real-Time Data Apps

Node.js help apps take advantage of real-time data. Node.js is an excellent framework for developing real-time web applications. It employs push technology via web sockets. It is also the best option for server-side applications. Node.js also supports sharing and reusing code.

Google Doc is an example of a real-time data app that makes use of Node.js. It is event-driven and non-blocking in this case.

It could enable no-hang-up operations and instant work updates. Node.js is essential in this situation because it: allows developers to share library codes; effectively handles I/O tasks; and is fast and scalable.

3. Chatbots

Node.js assist by providing chatbots that are less expensive and fit within the budget.

Node.js is required for interfaces that require quick message exchanges, such as chat rooms in-browser games.

The API is simpler and allows for real-time data/message exchange via Express.js. Chatbots are used daily by numerous apps and websites to assist customers.

Drift is an excellent example of this application. Chatbots are used to connect businesses with qualified leads. Drift allows users to interact directly with the chatbot, which improves the business’s customer experience.


Node.js will assist in the development of a REST API, which will speed up the API integration process.

REST, or representational state transfer, is critical for developing software architectures and makes extensive use of the HTTP protocol.

This NodeJS Use Case entails it providing a framework to Express.js, resulting in a lighter and faster REST API.

5. Single Page Application

Using Node.js and its asynchronous nature. NodeJS assists in the development of SPAs that handle asynchronous calls and heavy I/O operations in a well-organized manner.

SPAs are commonly found in social networking sites, text or drawing tools, and email solutions. In this case, the use of NodeJS will aid in catching the numerous client requests that arise.

It simplifies the process and makes the site more reusable by moving toward both the front and back end.

Also Read: – Developing Web App With Node.js: Go Beyond the Basics.

Conslusion – 

The variety of NodeJS Use Cases ensure that developers do not endure a hard time, especially when doing business with real-time applications.

If you’re looking for a Back-end Development Company in the USA, We got you covered. 

ThinkStart Private Limited is a leading Node JS Web Development Company. Join hands with us to develop your next big Node.Js project together.


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May 2024