Ember JS vs React JS: Comparing Javascript Technologies

Written By

Anthony Neto

Frontend technologies are integral to web development as they determine how users interact with a website or app. For this reason, picking the right Frontend technology is essential for optimal user engagement and subsequent project success. 

React JS and Ember JS are among the most popular Frontend technologies used in modern web development. Although both fall under the Javascript umbrella, these technologies differ significantly. 

In this article, we will compare React JS vs Ember JS and explore their strengths and weaknesses to help you choose the most suitable one for your needs. 

Table of Contents

What is Ember JS?

Ember.js is an open-source JavaScript framework for building ambitious web applications. Following the principle of Convention over Configuration (CoC), Ember provides a structured and opinionated approach to web development. 

However, this may present limited flexibility for Frontend Developers seeking a customizable solution. Also, some users may find learning challenging due to its relatively steep learning curve. 

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Ember JS: Key Features

Some of the features of Ember JS include the following:

  • Client-Side Rendering: Ember JS excels in client-side rendering, providing a seamless and responsive UX. While it supports server-side rendering (SSR), its strengths lie in its client-side rendering capabilities. Ember enables faster load times and dynamic interactions by rendering content on the client side, improving and optimizing web app performance.
  • URL Support: Ember JS has a robust routing system that seamlessly integrates with the application's URL structure. This feature allows Frontend Developers to create deep links, enabling users to navigate the app with bookmarks or direct URLs, improving UX and SEO.
  • High-Performance Focus: Ember JS strongly emphasizes high performance, aiming to deliver speedy interactions and smooth transitions within web applications. 
  • Fledged Templating Mechanism: Ember features a powerful templating mechanism built on the Handlebars templating engine. This mechanism enables Developers to create dynamic and data-driven UIs effortlessly.


  • Ember CLI provides a standardized structure and tools, freeing Frontend Developers from building support structures. 
  • Convention over configuration reduces cognitive load, ensures consistency, and accelerates development. 
  • Great documentation.
  • Stability without stagnation.


  • Steep Learning curve
  • Highly opinionated with rigid CoC
  • Lack of online resources.

What is React JS?

React is an open-source JavaScript library used to build user interface (UI) components. Developed and maintained by Meta, React JS has gained widespread popularity for its efficiency and simplicity in creating interactive and dynamic UIs.  

Due to its functionality, React JS has rapidly gained a 40% market share, making it the second most used web framework in 2023. React's success is further fueled by its vibrant and engaged community that actively contributes to the library's evolution through continuous improvements and timely bug fixes.

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React JS; Key Features

Let’s explore some key features of React JS:

  • Component-Based Architecture: React JS follows a component-based architecture, allowing developers to build UIs by creating independent and reusable components. Components consist of the logic and UI elements, making managing and maintaining code easier than monolithic code.
  • Virtual DOM: React JS enhances rendering performance through a Virtual Document Object Model (DOM). Instead of updating the entire DOM on each change, React updates a virtual representation, compares it to the actual DOM, and applies the necessary changes only. This minimizes DOM manipulations, resulting in improved performance and UX.
  • JSX(JavaScript Syntax Extension): JSX allows Frontend Developers to write HTML-like code within their JavaScript files to describe the structure of UI components clearly and concisely. Although not a requirement, JSX has become prominent in the React ecosystem for defining component structures.
  • SEO-Friendly: React JS supports SEO-friendly Development by facilitating Server-Side Rendering (SSR). This enables effective content crawling and indexing by search engines, addressing challenges faced by Single-Page Applications (SPAs) relying heavily on client-side rendering. As a result, React applications enjoy enhanced visibility in search results.


  • Substantial learning material available online
  • Strong community support
  • Ready-made React components
  • Well-tested and maintained library by Meta


  • Lack of proper documentation
  • React increases the app size, requiring Frontend Developers to download a larger package.
  • Lack of built-in architecture

Ember JS vs React JS: Technical Head-to-Head Comparison

Ember JS and React JS offer distinct approaches to building web applications. While React excels in flexibility and performance optimizations with its Virtual DOM, Ember provides a structured and opinionated approach, emphasizing convention over configuration.

It is essential for Frontend Developers to weigh these factors according to their project requirements and preferences to decide which of these Javascript technologies meets their needs.

The following table presents a technical head-to-head comparison providing a concise overview of their key features. 

Aspects Ember JS React JS
Architecture Model-View-Controller View, Component-based
Performance Slow compared to React JS. Being a lightweight framework,
it's a known for being fast.
CLI Has an Ember CLI. Officially, doesn't have a CLI.
Data Binding Two-way. One-way.
Reusable Components Widget-based, Backend-supported
HTML Tag creation.
Component-based architecture for reusable UI
elements. Differs from Ember's widget approach.
Opinionated Highly opinionated, strong conventions. Less opinionated, more flexible.
State Management Ember has a built-in applicatoon level state management.
Developers can also use addons such as Ember Redux
or Ember Concurrency for efficient state management.
React has a built-in state management object known as
useState. Developers can also use dedicated state
management solutions like Redux, MobX, ContextAPI for
more complex applications with multiple components.
Routing Ember has a built-in routing system that manages
navigation through the application's URL structure.
React Router is the standard for handling
navigation and routing in React applications. It provides
a declarative way to define routes and navigation.
Testing Capabilities Ember helps make the apps bug-free with tools like
QUnit, Mocha, and QUnit DOM. Developers can also
use other testing options such as rapid testing, mocking
of servers, virtual regression testing, etc.
React has a robust testing ecosystem with tools like Jest
for component testing and Mocha for browser testing. Moreover,
Developers can perform end-to-end testing to evaluate browser
interactions, including complex scenarios like payment gateways
for thorough verification.
Learning Resources Limited library of online learning resources. A vast library of online resources including Stack Overflow
Learning Curve Steep. Comparatively easy.
Use Case Building modern web apps with rich UIs. Interactive apps for web, mobile, and other platforms.

Ember JS vs React JS: Which is Better for Frontend Development?

When it comes to Frontend Development projects, the choice between React JS and Ember JS depends on the specific needs of a project. React JS stands out for its adaptability, expansive ecosystem, and robust community support. 

On the other hand, Ember JS caters to projects prioritizing convention over configuration, emphasizing a structured development approach. 

With that in mind, here are the key aspects that can help you make an informed decision on what you project needs.  

Project Requirement

React JS excels in projects with dynamic requirements, requiring flexibility and diverse functionalities.

Ember JS is ideal for projects with well-defined structural needs aligning with its specific conventions and project goals.

Scalability and Performance Considerations

React JS's component-based architecture and efficient rendering contribute to scalability and optimal performance.

Ember JS, with it’s emphasis on performance, is well-suited for projects demanding responsiveness and efficiency.

Developer Expertise

React JS is favored by Developers who prefer flexibility and a broader ecosystem.

Ember JS is appreciated more by Developers who appreciate convention-driven development and the streamlined processes facilitated by Ember CLI.

Community and Long-Term Support

React JS boasts a large and active community, ensuring ongoing support and continuous improvement.

Ember JS benefits from a community that values convention and provides long-term support through established practices.


The comparison between Ember JS and React JS highlights the importance of aligning framework choices with specific project requirements. Both frameworks come with their own set of advantages and disadvantages. 

When choosing between Ember JS vs React JS, consider the scalability of your project, specific project requirements, and the flexibility you prefer. While React is more flexible, Ember follows a CoC principle and has rigid conventions.   

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