Software Alternatives, Accelerators & Startups

Preact.js VS UIKit

Compare Preact.js VS UIKit 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.

UIKit logo UIKit

A lightweight and modular front-end framework for developing fast and powerful web interfaces
  • Preact.js Landing page
    Landing page //
    2023-05-11
  • UIKit Landing page
    Landing page //
    2023-07-24

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.

UIKit features and specs

  • Modularity
    UIKit is highly modular, allowing developers to include only the components they need. This can lead to more efficient and faster loading webpages.
  • Extensive Documentation
    The framework comes with extensive and well-detailed documentation, making it easier for developers to get started and effectively utilize components.
  • Responsive Design
    UIKit is designed with responsiveness in mind, offering a sleek user experience across different screen sizes and devices.
  • Customization
    UIKit allows for deep customization through its LESS and SCSS files, enabling developers to modify the framework according to their needs.
  • Active Community
    There is an active community which leads to consistent updates and a wealth of shared resources and plugins.

Possible disadvantages of UIKit

  • Learning Curve
    For beginners, UIKit can be complex and might require a learning curve to become proficient in its use.
  • Limited Third-Party Integrations
    Compared to more mature frameworks like Bootstrap, UIKit may offer fewer third-party integrations and plugins.
  • Potential Overhead
    Including too many unnecessary components can add to the overhead, resulting in slower load times if not managed properly.
  • Inconsistencies Across Browsers
    Occasional inconsistencies may be noted across different browsers, which may require additional effort to resolve.
  • Less Recognition
    UIKit is not as commonly recognized as some other frameworks, which may lead to challenges in finding developers experienced with it.

Preact.js videos

JS frameworks are replaceable

UIKit videos

Should I Learn SwiftUI instead of UIKit?

More videos:

  • Review - SwiftUI vs UIKit – Comparison of building the same app in each framework

Category Popularity

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JavaScript Framework
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User comments

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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 UIKit

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

UIKit Reviews

22 Best Bootstrap Alternatives & What Each Is Best For
UIkit includes an extensive collection of HTML, CSS, and JS components, all easy to use and customizable. Features include a responsive grid system, navigation components, form elements, and more. Though UIkit does not offer explicit integrations, its modular nature means it can be easily incorporated into many different web development workflows and tools.
Source: thectoclub.com
15 Top Bootstrap Alternatives For Frontend Developers in 2024
One of the advantages of UIKit is that it offers a wide range of UI components, even more than Bootstrap. It also includes unique components like Totop, Thumbnav, and more. Considering its rich set of resources, UIKit can be regarded as an ideal alternative to Bootstrap.
Source: coursesity.com
Top 10 Best CSS Frameworks for Front-End Developers in 2022
UI Kit has a comprehensive collection of CSS, HTML, and JS components. It is modular and lightweight. Used for iOS application development, UIKit is one of the bestfront-end CSS frameworks.
Source: hackr.io
10 of the Best Bootstrap Alternatives
UIKit offers an easy approach to developing sophisticated web interfaces. It’s a modular front-end framework that can be used with HTML or JavaScript. With this structure, you may quickly create your web layouts with ease. This structure is perfect for laying out your website. When compared to Bootstrap, this framework offers more UI components. It also includes oddity parts...
Best CSS Frameworks in 2019
Our fourth framework to consider is UIkit. UIkit is “a lightweight and modular front-end framework for developing fast and powerful web interfaces” (UIkit). The framework comes with built-in animations, is customizable and has out-of-the-box designs.

Social recommendations and mentions

Based on our record, Preact.js should be more popular than UIKit. 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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UIKit mentions (22)

  • 100+ Must-Have Web Development Resources
    UIkit: A lightweight and modular front-end framework. - Source: dev.to / 7 months ago
  • Building UIs with Franken UI, a Shadcn alternative
    Franken UI is compatible with UIkit 3 and can work as a standalone CSS framework but can be integrated with Tailwind CSS for faster styling and customization. The design of Franken UI is influenced by shadcn/ui. It aims to provide a solution to developers who are not comfortable using React, Vue, or Svelte by leveraging UIkit for JavaScript and accessibility. - Source: dev.to / 10 months ago
  • SwiftUI vs. UIKit: What is the best choice for building an iOS user interface in 2024?
    As an iOS engineer, you've likely encountered SwiftUI and UIkit, two popular tools for building iOS user interfaces. SwiftUI is the new cool kid on the block, providing a clean way to build iOS screens, while UIkit is the older and more traditional way to build screens for iOS. SwiftUI uses a declarative style where you describe how the UI should look, similar to Jetpack Compose in Android. UIkit, on the other... - Source: dev.to / over 1 year ago
  • How To Build a Web Application with HTMX and Go
    All that's left is adding a little style. I won't claim to be a frontend engineer or a UI designer, so I just used UIKit to easily add modern-looking style to the HTML table and buttons. As mentioned throughout the article, the CSS classes and other small details are excluded since they are not directly relevant to the tutorial. See the full example on GitHub to try running it for yourself. - Source: dev.to / over 1 year ago
  • On the search for a truly "good" UI framework.
    Can try UIKIT out if you're looking around, I've used it solely for some quick slider stuff in certain projects and use it fully in others. The docs are pretty good and they have a discord community that's fairly active. Source: almost 2 years ago
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What are some alternatives?

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

Svelte - Cybernetically enhanced web apps

Bootstrap - Simple and flexible HTML, CSS, and JS for popular UI components and interactions

Vue.js - Reactive Components for Modern Web Interfaces

Semantic UI - A UI Component library implemented using a set of specifications designed around natural language

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

Materialize CSS - A modern responsive front-end framework based on Material Design