Why use React for website

When & Why You Should Use React For Front-End Development

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StuartWhite Matthew



What is React?

React, often referred to as React.js or simply React, is an open-source JavaScript library designed for building user interfaces. It was created by Jordan Walke in 2011 and was later open-sourced by Facebook in 2013. React is based on the concept of reusable components, which allow developers to break down the user interface into smaller, manageable pieces, making the development process more efficient and easier to maintain.

1. Component-Based Architecture

The fundamental building block of React is its component-based architecture. Each component represents a piece of the user interface and can be reused across the application. This modularity encourages code reusability, which is especially advantageous for larger projects.

2. Virtual DOM

React's Virtual DOM (Document Object Model) is a significant innovation that improves the rendering performance of web applications. When a React component's state changes, React creates a virtual representation of the entire DOM, calculates the difference (diff) between the virtual and actual DOM, and then updates only the necessary parts of the actual DOM. This approach minimizes costly manipulations and enhances overall performance.

When to Use React

While React offers several advantages, it may not be the best choice for every project. Knowing when to use React is essential for making informed decisions in web development. Below are some scenarios where using React is highly beneficial:

1. Building Single-Page Applications (SPAs)

React is ideal for creating Single-Page Applications (SPAs), where all content is loaded on a single web page, and navigation happens without refreshing the page. Its Virtual DOM helps improve the SPA's performance by efficiently managing updates without full page reloads.

2. Interactive User Interfaces

When your application requires a highly interactive user interface, React shines. With its component-based architecture, developers can build reusable UI components that respond to user interactions smoothly. React's state management system enables the creation of dynamic and real-time user experiences, which are vital for modern web applications.

3. Collaborative Development

React's component-based nature makes it an excellent choice for large-scale projects with multiple developers. Different teams can work on separate components without interfering with each other's code, leading to better collaboration, increased productivity, and easier maintenance.

4. Mobile App Development

React Native, a framework built upon React, allows developers to create native mobile applications using JavaScript and React. If you are looking to develop both web and mobile applications with a unified codebase, React and React Native combination can be a powerful choice.

5. Frequent UI Updates

Applications that require frequent user interface updates, such as real-time data-driven apps or social media platforms, can benefit greatly from React's Virtual DOM and efficient rendering mechanism.

Read more: A beginner's guide: Building Front-End Applications with React

When not to use React

While React is a powerful and widely adopted framework, there are certain scenarios where it might not be the best fit. Understanding when not to use React can help you make informed decisions and choose the most appropriate technology for your specific project requirements. Here are some situations where using React might not be the ideal choice:

Simple Static Websites

If you are building a simple static website with minimal interactivity and without any plans for future expansion or dynamic content, using React could be overkill. In such cases, a lightweight library like jQuery or plain HTML, CSS, and JavaScript might be more suitable and faster to implement.

Expert's Protip: If you have future plans of integrating more interactive elements into the landing page, it's advisable to start using ReactJS right from the beginning.

Complex Admin Panels

On the other hand, for building heavy Admin panels, opting for ReactJS may not be the most suitable choice. In such cases, it's more efficient to stick with backend frameworks, which require less code to construct typical admin panel elements compared to ReactJS.

Learning Curve and Team Expertise

If your development team is not familiar with React and its component-based architecture, the initial learning curve can slow down the development process. It might be more efficient to stick with technologies that your team is already proficient in to avoid potential delays.

Why Choose React for Web Development?

In today's fast-paced digital world, user experience plays a pivotal role in the success of any web application or website. React JS, with its component-based architecture and efficient rendering capabilities, has emerged as a powerful tool for building interactive and dynamic user interfaces. Whether you are developing a simple website or a complex web application, let's delve into the compelling reasons why React stands out as a preferred choice for web developers:


React's Virtual DOM efficiently manages updates and reduces the number of actual DOM manipulations. This results in improved performance compared to traditional JavaScript frameworks that update the entire DOM on every change. React's approach makes it suitable for complex and data-intensive applications.

Reusable Components

One of React's core strengths lies in its reusability. With component-based architecture, developers can create encapsulated UI elements that can be reused across the application or even shared between different projects. This not only speeds up development but also promotes a more consistent and maintainable codebase.

Rich Ecosystem and Community Support

React's popularity has led to a vast ecosystem of third-party libraries and tools that enhance its capabilities. Developers can easily find pre-built components, tools for state management (such as Redux), and various other utilities to streamline development. Additionally, the large and active community behind React ensures continuous support, regular updates, and a wealth of learning resources.

SEO-Friendly Applications

While SPAs can sometimes face SEO challenges due to the lack of initial server-side rendering, React addresses this issue through frameworks like Next.js. Next.js offers server-side rendering (SSR) capabilities, allowing search engines to crawl and index content effectively, resulting in better SEO performance.

Flexibility and Scalability

React is unopinionated, which means it allows developers to choose the tools and libraries they prefer for state management, routing, and more. This flexibility makes React adaptable to various project requirements and ensures that developers can scale the application as it grows without being tied to specific technology choices.

Read more: Cost to Hire the Best React Developer in 2023

Potential Challenges and Considerations

While React offers numerous advantages, it's essential to be aware of potential challenges and considerations before adopting it:

Learning Curve

For developers unfamiliar with React's component-based architecture and the concept of Virtual DOM, there may be a learning curve. However, the abundance of learning resources and a supportive community can help ease the process.

Build Size

React's efficient rendering comes with a trade-off. The initial load time can be affected, especially if the application relies heavily on third-party libraries and dependencies. Proper code-splitting and lazy loading can mitigate this issue.

Compatibility with Legacy Systems

If you're working with a legacy codebase or integrating React into an existing project, you may encounter compatibility issues with other frameworks or libraries. Proper planning and testing are necessary to ensure smooth integration.

Use Case of React

React is a powerful tool utilized to craft both single and multi-page application interfaces, as well as to build extensive websites. Its core objective revolves around mitigating errors commonly encountered during user interface development. This is achieved through the implementation of components, which act as autonomous logical units of code responsible for describing specific parts of the user interface. By skillfully combining these components, a comprehensive user interface can be seamlessly constructed. React efficiently abstracts the majority of visualization tasks, thereby allowing developers to concentrate on the design aspect of the project without being burdened by intricate details.

Let's explore some of the prominent use cases of React:

  1. Single Page Applications (SPAs): React's component-based architecture and virtual DOM make it an ideal choice for building SPAs. SPAs provide a seamless user experience by dynamically updating content without requiring full-page reloads, resulting in faster load times and smoother transitions.

  2. E-commerce Websites: React is widely used in building e-commerce platforms, where the user interface needs to be responsive and interactive. React's ability to handle complex UI interactions and product filtering makes it an excellent choice for creating engaging online shopping experiences.

  3. Social Media Platforms: React's real-time data rendering capabilities make it suitable for social media applications, where users expect instant updates and notifications. Platforms like Facebook and Instagram utilize React for their user interfaces.

  4. Content Management Systems (CMS): React can enhance the user experience in content-heavy applications, such as CMS, by rendering content efficiently and providing a seamless navigation experience.

  5. Collaborative Tools: Applications that require real-time collaboration and data synchronization, such as project management tools and collaborative editors, benefit from React's performance and reactivity.

  6. Data Dashboards and Analytics Tools: React's ability to efficiently manage and display large datasets makes it an excellent choice for building data dashboards and analytics tools that demand real-time data visualization.

  7. Mobile Applications: React Native, a mobile framework based on React, enables the development of cross-platform mobile applications for both iOS and Android. Businesses looking to reach a broader audience with a single codebase often opt for React Native.

  8. Interactive Maps: React can be used to build interactive maps, making it suitable for location-based applications and geospatial visualizations.

  9. Real-Time Chat Applications: React's ability to handle dynamic user interfaces and real-time updates makes it an excellent choice for building chat applications and messaging platforms.

  10. Audio and Video Streaming Apps: React's support for multimedia rendering allows developers to create audio and video streaming applications with seamless playback and interactivity.

  11. Gaming Applications: React's rendering capabilities can be utilized to build simple gaming applications and interactive game interfaces.

  12. Online Booking and Reservation Systems: React's responsive UI components and real-time data updates are beneficial for online booking systems that require immediate availability updates and booking confirmations.

What Companies Use React?

React was widely adopted by a vast number of companies, from small startups to large enterprises, across various industries. Given that React's popularity has continued to grow since then, it's safe to assume that even more companies are now using React for their web and mobile applications. Here are some notable companies that were known to be using React:

  1. Facebook: As the creators of React, Facebook has been using React extensively in its products, including the Facebook website itself and other platforms like Instagram and WhatsApp.

  2. Instagram: Instagram, a subsidiary of Facebook, heavily relies on React for its web and mobile applications, allowing for a smooth user experience and efficient development.

  3. WhatsApp: Another Facebook-owned platform, WhatsApp, uses React for its web version, enabling users to access the messaging service from their computers.

  4. Netflix: Netflix employs React for various components of its user interface, especially for managing the complex UIs in its streaming services, ensuring a seamless experience for its global audience.

  5. Airbnb: The popular accommodation-sharing platform uses React to build dynamic and interactive user interfaces, making it easy for travelers to find and book accommodations worldwide.

  6. Twitter: Twitter adopted React to improve the performance and responsiveness of its web application, making it easier for users to browse tweets and interact with content.

  7. Salesforce: React has been embraced by Salesforce to develop components and user interfaces in its customer relationship management (CRM) software.

  8. Uber: React has found its way into Uber's technology stack, contributing to the development of its web and mobile applications that facilitate ride-sharing and food delivery services.

  9. Dropbox: Dropbox leverages React to provide a user-friendly and responsive interface for its cloud-based file storage and collaboration platform.

  10. Pinterest: Pinterest, a popular image-sharing social platform, relies on React to create interactive and visually appealing user experiences.

  11. Microsoft: Microsoft has integrated React into its web applications and services, incorporating it into various products like Office 365 and Outlook.

  12. PayPal: PayPal uses React to build parts of its user interface, ensuring secure and efficient payment processing for millions of users.

  13. Shopify: The e-commerce giant Shopify incorporates React into its platform to enable merchants to create customizable and feature-rich online stores.

  14. Reddit: Reddit uses React to provide an engaging and dynamic user experience on its website and mobile applications.

  15. The New York Times: The media giant employs React to power various interactive elements and components on its website and applications.

It's important to note that technology choices can evolve rapidly, and the landscape of companies using specific frameworks and libraries can change over time. React's popularity and strong community support make it a solid choice for many businesses seeking to build modern and interactive web and mobile applications.

Why Choose Relia Software For Your React Project?

We know that being average is not enough and that’s why we have the best talent. Our core values and adoption of tools and new technologies make us one of the most sought-after partners for ReactJS development.

Domain Expertise

Our ReactJS developers are very professional and skilled ReactJS with extensive domain expertise and experience in delivering ReactJS solutions for diverse domains. We promise you high-rated ReactJS development services for all your needs

High Performance

We create feature-rich ReactJS portals and apps with high performance ensuring that you get only the best solution in the industry.

Clean Solutions

With Relia you get glitch-free, bug-free technology products because our ReactJS developers conduct continuous debugging sweeps for maximum app or website performance. We encourage test-driven development, which means we use unit tests and integration tests that help you iterate without fear of breaking old code.

Dynamic User Experience

Our ReactJS developers are not experts just in tools and frameworks. They are also skilled in leveraging technology to make sure they deliver a delightful user experience for you and your end users.

End-to-end Development

From creating a prototype or an MVP to building a full-fledged ReactJS technology product, Relia’s ReactJS developers are with you all the way to ensure successful deployment. We also provide ongoing support and maintenance post deployment.


React has revolutionized the way modern web applications are built, offering developers a powerful toolset to create highly interactive and responsive user interfaces.

Knowing when and why to use React can significantly impact the success of your project. When building SPAs, interactive user interfaces, or collaborative development environments, React shines brightest. The performance, reusability, and scalability of React contribute to its widespread adoption and continued growth within the web development community.

As with any technology, React is not without its challenges, but with proper planning and an understanding of its features, developers can harness its potential to create cutting-edge web applications that deliver exceptional user experiences.

Still doubtful about using React for your project? Our team is happy to help. Get in touch now.




  • Designing an application
  • Mobile App Development
  • coding
  • web development

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