Software Alternatives, Accelerators & Startups

Preact.js VS Judge0 IDE

Compare Preact.js VS Judge0 IDE and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Preact.js logo Preact.js

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

Judge0 IDE logo Judge0 IDE

Free and open-source online code editor.
  • Preact.js Landing page
    Landing page //
    2023-05-11
  • Judge0 IDE Landing page
    Landing page //
    2023-07-21

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.

Judge0 IDE features and specs

  • Multi-language Support
    Judge0 IDE supports a wide array of programming languages allowing users to experiment and code in many languages without needing separate IDEs.
  • Open Source
    Being open source allows users to contribute to its development, customize the IDE to fit their needs, and foster a community of users and developers enhancing its capabilities.
  • Online Platform
    As an online IDE, Judge0 can be accessed from any device with internet connectivity, providing flexibility and convenience for users.
  • Simple User Interface
    The IDE features a straightforward and clean interface that is easy to navigate, making it accessible for beginners and reducing complexity.
  • Real-time Code Execution
    Judge0 offers real-time code execution which facilitates prompt feedback on code performance and errors, enhancing the learning and development process.

Possible disadvantages of Judge0 IDE

  • Limited Debugging Tools
    Compared to sophisticated IDEs, it provides minimal debugging capabilities which might be insufficient for complex projects.
  • Performance Constraints
    As an online platform, performance can be impacted by internet connectivity and resource limitations, affecting code execution speed.
  • Security Concerns
    Running code in a cloud environment raises potential security risks, especially when dealing with sensitive or proprietary information.
  • No Local Environment Setup
    Users cannot experience setting up a local development environment, which is a critical skill in software development workflows.
  • Scalability Issues
    Handling large-scale projects may not be feasible due to constraints of online execution environments and resource limitations of the IDE.

Preact.js videos

JS frameworks are replaceable

Judge0 IDE videos

No Judge0 IDE videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Preact.js and Judge0 IDE)
Javascript UI Libraries
100 100%
0% 0
Text Editors
0 0%
100% 100
JavaScript Framework
100 100%
0% 0
Developer Tools
70 70%
30% 30

User comments

Share your experience with using Preact.js and Judge0 IDE. For example, how are they different and which one is better?
Log in or Post with

Reviews

These are some of the external sources and on-site user reviews we've used to compare Preact.js and Judge0 IDE

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

Judge0 IDE Reviews

We have no reviews of Judge0 IDE yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Preact.js seems to be a lot more popular than Judge0 IDE. While we know about 93 links to Preact.js, we've tracked only 2 mentions of Judge0 IDE. 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)

View more

Judge0 IDE mentions (2)

  • Any idea on how to built a code compilation system that can be deployed online or if there exists one already that can be used.
    You can use Judge0 Extra CE which has a language called "Python for ML". Try it out at https://ide.judge0.com. Source: over 2 years ago
  • Best Websites Every Programmer Should Visit
    Judge0 IDE : Online compiler with 40+ interpreters and compilers. - Source: dev.to / about 4 years ago

What are some alternatives?

When comparing Preact.js and Judge0 IDE, you can also consider the following products

Svelte - Cybernetically enhanced web apps

Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.

Vue.js - Reactive Components for Modern Web Interfaces

Deco IDE - Best IDE for building React Native apps

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

Graviton Editor - Graviton Editor is an open-source and cross-platform code editor tool that allows multiple programming features compatible with Windows, macOS, and GNU/Linux from the main website.