Software Alternatives, Accelerators & Startups

SignalR VS React

Compare SignalR VS React and see what are their differences

SignalR logo SignalR

SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.

React logo React

A JavaScript library for building user interfaces
  • SignalR Landing page
    Landing page //
    2023-09-20
  • React Landing page
    Landing page //
    2023-04-19

SignalR features and specs

  • Real-time communication
    SignalR enables real-time web functionality, allowing server-side code to push content to connected clients instantly. This is crucial for applications like live chat, real-time notifications, and live data feeds.
  • Simplified development
    SignalR provides a high-level API that abstracts much of the complexity involved in creating real-time web applications, making the development process easier and more efficient.
  • Automatic Reconnection
    SignalR includes automatic reconnection capabilities, so if a client connection is lost, it can automatically try to re-establish the connection without manual intervention.
  • Cross-platform support
    Being part of the ASP.NET Core suite, SignalR works across different platforms including Windows, macOS, and Linux, providing greater flexibility in deployment.
  • Transport fallback
    SignalR supports multiple transport protocols (WebSocket, Server-Sent Events, and Long Polling) and can smoothly fall back to a lesser protocol if the preferred one is not available.
  • Security
    SignalR comes with built-in support for authentication and authorization mechanisms to ensure that only authorized users can connect and communicate through the service.

Possible disadvantages of SignalR

  • Scalability concerns
    While SignalR works well for small to medium applications, scaling to a large number of concurrent connections can require significant investments in infrastructure, such as deploying a SignalR backplane.
  • Performance overhead
    The abstraction provided by SignalR can introduce performance overhead, which may not be suitable for applications demanding high performance and low latency.
  • Limited PaaS support
    Although SignalR can be hosted on various platforms, its integration with some Platform as a Service (PaaS) offerings is less mature compared to other technologies designed for real-time communication.
  • Complex deployment
    Setting up a SignalR application, especially with considerations for scaling and high availability, can be complex and require deep knowledge of the underlying infrastructure.
  • Client compatibility
    While SignalR supports multiple clients including JavaScript, .NET, and Java, it may still face compatibility issues with less commonly used technologies or older client systems.
  • Debugging challenges
    Debugging real-time applications built with SignalR can be more challenging compared to traditional web applications due to their asynchronous nature and multiple transport protocols.

React features and specs

  • Component-Based Architecture
    React encourages the creation of reusable UI components, which can be leveraged to build complex user interfaces efficiently. This promotes better code organization and separation of concerns.
  • Virtual DOM
    React uses a virtual DOM to optimize and accelerate the process of updating the browser’s DOM, significantly improving application performance.
  • Strong Community and Ecosystem
    React has a large and active community, which means plenty of third-party libraries, tools, and community support are readily available to assist developers.
  • JSX Syntax
    React’s JSX syntax allows developers to write HTML structures within JavaScript code, making the code more readable and easier to debug.
  • Unidirectional Data Flow
    React promotes a unidirectional data flow, which helps maintain the predictability and ease of debugging, especially for larger applications.
  • Extensive Documentation
    React's official documentation is comprehensive, well-organized, and provides numerous examples and tutorials to help developers get started and advance their skills.

Possible disadvantages of React

  • Steep Learning Curve
    React comes with a steep learning curve for beginners, especially those unfamiliar with JavaScript ES6 and JSX syntax.
  • Boilerplate Code
    Setting up a React project often requires boilerplate code, which can be cumbersome and time-consuming compared to simpler frameworks.
  • Fast-Paced Development
    React and its associated libraries evolve rapidly, necessitating frequent updates and learning new patterns, which can be overwhelming for developers.
  • Complexity in Larger Applications
    As a React application grows in size, managing state and props across components can become complex, sometimes necessitating additional state management libraries like Redux or Context API.
  • SEO Challenges
    React, being a JavaScript library, can present challenges for search engine optimization (SEO) due to Googlebot's limitations in executing JavaScript, although this can be mitigated with server-side rendering (SSR) or static site generation (SSG).

SignalR videos

SignalR Tutorial 1 - What is SignalR?

More videos:

  • Review - SignalR Deep Dive: Building Servers - David Fowler & Damian Edwards
  • Tutorial - SignalR Tutorial 3 - Why Use SignalR?
  • Review - Real-time web applications with ASP.NET Core SignalR

React videos

What Is React?

More videos:

  • Review - NOT Worth Buying? Nike EPIC REACT FLYKNIT 2 vs Epic React REVIEW
  • Review - NIKE REACT INFINITY RUN FLYKNIT REVIEW | The Ginger Runner

Category Popularity

0-100% (relative to SignalR and React)
Developer Tools
8 8%
92% 92
Javascript UI Libraries
0 0%
100% 100
App Development
100 100%
0% 0
Mobile Push Messaging
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare SignalR and React

SignalR Reviews

Essential .NET Core Libraries that Every Programmer should know
You can include it in your code by configuring the SignalR API, which creates remote procedure calls for the server-client architecture. In addition, it manages the communication channel and resources for seamlessly transferring data during high traffic.
Source: positiwise.com
12 Most Preferred latest .NET Libraries of 2022
SignalR offers real-time web integration for .NET core apps through its SignalR .NET core library. Using it, developers can push/add data from the server into their applications. Features: Automatic connection management. Simultaneous message-sending to all clients. Scalable to handle increasing traffic. A group of clients can be notified at once with a message.
Source: www.bigscal.com
SignalR Alternatives
SignalR is basically used to allow connection between client and server or vice-versa. It is a type of bi-directional communication between both the client and server. SignalR is compatible with web sockets and many other connections, which help in the direct push of content over the server. There are many alternatives for signalR that are used, like Firebase, pusher,...
Source: www.educba.com

React Reviews

Top JavaScript Frameworks in 2025
ReactJS is a JavaScript based UI development library which is developed by Facebook. It is an open-source framework which is widely used by developers for web development. One of the major reasons why React.JS is widely popular is because it uses Virtual DOM. This enables developers to create web applications faster.
Source: solguruz.com
The 20 Best Laravel Alternatives for Web Development
React’s the cool kid on the block, turning heads since Facebook dropped it at our feet. Building dynamic user interfaces feels less like coding, more like crafting with this JavaScript library.
Top 9 best Frameworks for web development
React uses a virtual DOM to optimize the performance of UI updates and follows a one-way data flow for easy tracking of data changes. With its active community and abundance of third-party resources and libraries, React is a solid choice for web development.
Source: www.kiwop.com
9 Best JavaScript Frameworks to Use in 2023
React can be used as a base in the development of single-page or mobile applications. However, React is concerned with rendering data to the DOM, so creating React apps usually requires additional libraries for state management, routing, and interaction with an API.
Source: ninetailed.io
JavaScript: What Are The Most Used Frameworks For This Language?
Some of its top features include server-side rendering, automatic code splitting, client-side routing, built-in CSS support, static site generation and API routes. Overall, Next.JS is a powerful and flexible framework that provides developers with a simple and intuitive way to build complex React applications with ease. It is widely used in the React community and has a...
Source: www.bocasay.com

Social recommendations and mentions

Based on our record, React seems to be a lot more popular than SignalR. While we know about 813 links to React, we've tracked only 5 mentions of SignalR. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

SignalR mentions (5)

  • Get Started with Serverless Architectures: Top Tools You Need to Know
    Azure Functions integrates with most tools in the Microsoft ecosystem, including Azure Queue (adding messages to a queue) and SignalR (sending real-time updates). This makes Azure Functions the perfect choice for real-time applications like chat apps. Here are the top features:. - Source: dev.to / about 1 month ago
  • How can I achieve client-server communication as seamless as Blazor Server for Blazor WebAssembly?
    Blazor Server basically has the server remote control puppet everything on the client through SignalR. Source: almost 2 years ago
  • Creating a Lightweight Connection Between C# and Python - Over Internet
    SignalR is a layer over websockets, and is available for python. Source: about 2 years ago
  • I'm new to C#, have a little C++ and Java experience from high school and college. My goal is to make an application for two players to play Go.
    Since Go is a pretty simple game and not very graphic intensive, a simple approach would be to use SignalR on ASP.NET, where the server maintains the game board state and just sends minimal messages (for example, piece X moved to location Y, and whose turn it is now) to each player after their respective move in turn. Source: about 2 years ago
  • .NET Modern Task Scheduler
    SignalR and Pinia for real-time stat updates in the dashboard UI. Source: about 2 years ago

React mentions (813)

  • Next.js Localization: How to Build a Multilingual Website with Next-Intl
    Next.js is a very popular framework built on top of the React.js library and it provides the best Development Experience for building applications. It offers a bunch of features like:. - Source: dev.to / 10 days ago
  • Web Development Using React Framework
    Explore the official React documentation. - Source: dev.to / 24 days ago
  • Monorepo Tutorial With Lerna, Storybook & Next.js
    We’ll be creating the components package inside the packages directory. In this monorepo package, we’ll be building React components which will be consumed by our Next.js application (front-end package). - Source: dev.to / 28 days ago
  • Migrating from AngularJS to React
    After evaluating our options including upgrading from AngularJS to Angular (the name for every version of Angular 2 and beyond) or migrating and rewriting our application in a completely new JavaScript framework: React. We ultimately chose to go with ReactJS. - Source: dev.to / 28 days ago
  • When & Why You Should Use React.js for Web Development
    React is a JavaScript library used for building fast and scalable user interfaces for websites and applications. It allows developers to create large web applications that can change data without reloading a page. React focuses on building the view layer of the website—the parts people see and interact with. - Source: dev.to / 28 days ago
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What are some alternatives?

When comparing SignalR and React, you can also consider the following products

Socket.io - Realtime application framework (Node.JS server)

Vue.js - Reactive Components for Modern Web Interfaces

Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

Next.js - A small framework for server-rendered universal JavaScript apps

Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

Svelte - Cybernetically enhanced web apps