Software Alternatives, Accelerators & Startups

Preact.js VS CxJS

Compare Preact.js VS CxJS and see what are their differences

Preact.js logo Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.

CxJS logo CxJS

Advanced JavaScript UI framework for admin and dashboard applications with ready to use grid, form and chart components.
  • Preact.js Landing page
    Landing page //
    2023-05-11
  • CxJS Landing page
    Landing page //
    2021-10-09

Preact.js features and specs

  • Size
    Preact is very small in size (about 3KB gzipped), which makes it easy to load and faster to execute, resulting in improved performance and quicker load times.
  • Compatibility
    Preact is largely compatible with React, allowing developers to switch to Preact with minimal code changes. This makes it easier to adopt for projects already using React.
  • Performance
    Due to its small size and efficient design, Preact offers excellent performance, especially on low-powered devices and in applications with heavy user interactions.
  • Ecosystem
    Preact can work with many tools and libraries that are designed for React, giving developers access to a rich ecosystem of resources.
  • Community
    Preact has an active and growing community that provides support, plugins, and third-party tools, making it easier for developers to find solutions and share knowledge.

Possible disadvantages of Preact.js

  • Feature Set
    While Preact covers most of the core React features, it lacks some of the advanced functionality present in React, which may require additional workarounds or third-party libraries.
  • Learning Curve
    For developers coming from a non-React background, learning Preact might involve a learning curve, particularly because of its similarities and subtle differences with React.
  • Tooling Compatibility
    Although many tools designed for React can work with Preact, some might not be directly compatible, requiring additional configuration or patches.
  • Community Size
    While Preact has a supportive community, it is smaller compared to the massive React community, which can result in fewer available resources and third-party packages.
  • Maturity
    Preact, being newer and less widely adopted than React, might not have the same level of battle-tested reliability for all use cases, especially for large scale applications.

CxJS features and specs

  • Built-in State Management
    CxJS offers a robust state management system that is integrated directly into its framework. This allows for easy state handling and reduces the need for additional libraries to manage application state.
  • Rich UI Component Library
    It provides a comprehensive set of UI components that are highly customizable. This makes it easier to build complex web applications with consistent design and behavior.
  • Declarative Syntax
    Displays UI elements through a declarative approach which simplifies the representation of the UI and makes the codebase more readable and maintainable.
  • Performance Optimizations
    CxJS is designed with performance in mind, featuring optimizations like batching and virtual DOM which contribute to faster rendering times and improved application performance.
  • Integration with React
    It integrates seamlessly with React, allowing developers to leverage React components and skills, which can ease the onboarding process for teams familiar with React.

Possible disadvantages of CxJS

  • Learning Curve
    Due to its unique blend of features and conventions, CxJS may have a steeper learning curve for developers who are new to the framework or come from a different ecosystem.
  • Community and Ecosystem
    Compared to larger frameworks, CxJS has a smaller community and ecosystem, which may result in fewer third-party plugins, resources, or community support available.
  • Limited Popularity
    CxJS is not as widely adopted as some other JavaScript frameworks, which might impact the availability of skilled developers and the longevity of the platform.
  • Documentation Depth
    While the documentation is available, some users might find it insufficiently detailed in certain areas, leading to potential challenges in implementation and problem-solving.

Analysis of Preact.js

Overall verdict

  • Preact.js is a strong option for projects where performance and load time are critical, or where a light footprint is necessary. Its compatibility with React makes it a flexible and efficient alternative in scenarios where React may be overkill due to its larger size.

Why this product is good

  • Preact.js is known for its small size and high performance, making it an excellent choice for developers who need a lightweight alternative to React without sacrificing functionality. It offers a familiar API for React developers, ensuring an easy transition, and is highly efficient in terms of rendering performance. Preact also offers excellent compatibility with existing React tools and ecosystems, meaning many React packages work seamlessly with Preact.

Recommended for

    Preact.js is recommended for developers building applications with stringent performance requirements, those needing to optimize for fast loading times in environments with limited bandwidth or resources, or those looking to integrate React-like architecture in smaller projects without introducing the full weight of the React library.

Preact.js videos

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Category Popularity

0-100% (relative to Preact.js and CxJS)
Javascript UI Libraries
87 87%
13% 13
JavaScript Framework
82 82%
18% 18
JavaScript
88 88%
12% 12
Development
0 0%
100% 100

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Preact.js and CxJS

Preact.js Reviews

Top JavaScript Frameworks in 2025
PreactJS is a JavaScript library that is said to be the fast 3Kb alternative to ReactJS using the same modern API. It implements the fastest virtual DOM compared to other frameworks in the market. Moreover, it is one of the smallest libraries in terms of size.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Preact is like React’s little sibling, smaller in size but with the same familiar moves. It’s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in perfectly.
20 Best JavaScript Frameworks For 2023
Preact is built with the same core principle of React – A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance, and leaner size. In instances where the full potential of React isn’t necessary, most developers even use React during development and switch to Preact for...
Top 15 jQuery Alternatives To Know
ReactJS is a powerful JavaScript library to create user interfaces. Developers can design easy views at each stage in the application and there is regular update and rendering for the actual components whenever there is any data alteration. It is component-driven and creates encapsulated components that manage their own state.
Top 5 JavaScript Frameworks To Learn in 2021
But according to the graph above, we can notice a decrease in interest in Preact. This might result from having many similar frameworks with the same specs, like react-lite, Inferno, etc. However, knowing a framework like Preact will be useful for your development journey.
Source: enlear.academy

CxJS Reviews

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Social recommendations and mentions

Based on our record, Preact.js seems to be more popular. It has been mentiond 93 times since March 2021. 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.

Preact.js mentions (93)

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CxJS mentions (0)

We have not tracked any mentions of CxJS yet. Tracking of CxJS recommendations started around Oct 2021.

What are some alternatives?

When comparing Preact.js and CxJS, you can also consider the following products

Svelte - Cybernetically enhanced web apps

Vue.js - Reactive Components for Modern Web Interfaces

Glimmer - Fast and light-weight UI components for the web

React - A JavaScript library for building user interfaces

Inferno - An extremely fast React-like javascript library for building modern user interfaces.

Select2 - Select2 offers customizable select box with support for searching, tagging, infinite scrolling, and many other used options.