Software Alternatives, Accelerators & Startups

Semantic UI VS PostCSS

Compare Semantic UI VS PostCSS and see what are their differences

Semantic UI logo Semantic UI

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

PostCSS logo PostCSS

Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.
  • Semantic UI Landing page
    Landing page //
    2022-10-20
  • PostCSS Landing page
    Landing page //
    2023-09-19

Semantic UI features and specs

  • Intuitive Class Names
    Semantic UI uses human-readable class names that describe their purpose, making it easy to understand and write code without consulting documentation frequently.
  • Customizability
    Semantic UI allows for deep customizability with its theming, letting developers adjust the default designs to match specific project requirements.
  • Comprehensive Components
    Semantic UI provides a wide range of pre-built components like buttons, forms, and modals, which can significantly speed up development time.
  • Flexibility
    The framework offers flexibility in terms of its modular structure, enabling developers to import only the components they need.
  • Detailed Documentation
    Semantic UI has detailed and well-organized documentation, which helps developers quickly resolve issues and understand how to use various features.

Possible disadvantages of Semantic UI

  • Large File Size
    The framework's comprehensive nature can lead to larger file sizes, which might affect the load times of web applications.
  • Learning Curve
    Despite its intuitive naming conventions, the breadth of components and features can result in a steep learning curve for new developers.
  • Community Support
    Unlike more popular frameworks like Bootstrap, Semantic UI has a smaller community, which can mean fewer third-party plugins and community support.
  • Incomplete Integration
    Some integrations with newer JavaScript frameworks such as React or Vue might require extra effort or third-party libraries, given that Semantic UI is not natively designed for them.
  • Infrequent Updates
    The development and updates to Semantic UI have been less frequent compared to other UI frameworks, potentially leading to compatibility and security issues.

PostCSS features and specs

  • Modularity
    PostCSS is built around plugins, which means you can choose the exact features you need and avoid bloat. This modularity offers high customizability.
  • Performance
    PostCSS is known for its fast performance owing to its efficient processing and the ability to use only required plugins.
  • Large ecosystem
    With a vast set of available plugins, PostCSS can achieve a wide range of functionality, from linting and vendor prefixing to advanced CSS transformations.
  • Active community
    An active open-source community continuously maintains and updates PostCSS and its plugins, ensuring long-term support and innovation.
  • Integration
    PostCSS can be easily integrated into various build systems such as Webpack, Gulp, and Grunt, making it highly versatile in different development environments.

Possible disadvantages of PostCSS

  • Learning curve
    Given its flexibility and the need to configure and choose among many plugins, PostCSS can have a steeper learning curve for beginners.
  • Plugin dependencies
    Relying on multiple plugins can lead to dependency management issues, and possible conflicts between plugins if not carefully handled.
  • Configuration overhead
    Setting up PostCSS might require more initial configuration effort compared to some integrated solutions which provide out-of-the-box functionality.
  • Plugin quality variance
    The quality and maintenance of available plugins can vary, with some plugins being outdated or less reliable than others.
  • Lack of opinionation
    PostCSS's unopinionated nature means it requires developers to have a clear understanding of their needs, potentially leading to inconsistencies in plugin choices if used across different projects.

Semantic UI videos

Semantic UI In 60 Minutes

PostCSS videos

UnCSS your CSS! Removing Unused CSS with PostCSS & Parcel

More videos:

  • Review - Terry Smith – Keep your CSS simple with postcss and tailwind
  • Review - #1 PostCSS Обзор

Category Popularity

0-100% (relative to Semantic UI and PostCSS)
Design Tools
65 65%
35% 35
Developer Tools
62 62%
38% 38
CSS Framework
69 69%
31% 31
Development Tools
73 73%
27% 27

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Semantic UI and PostCSS

Semantic UI Reviews

22 Best Bootstrap Alternatives & What Each Is Best For
I chose Semantic UI because of its intuitive and accessible approach to design. Its use of human-friendly HTML sets it apart from many other frameworks, making it a more natural choice for developers prioritizing user-friendly designs. From my perspective, Semantic UI is the best tool for creating websites and applications that are easy for both developers and end users to...
Source: thectoclub.com
10 Best Free React UI Libraries in 2023
The styling of Semantic UI React is based on the Semantic UI theme and it's also free from jQuery. Apart from that, there are other useful features like augmentation, shorthand props, auto controlled state, etc.
11 Best Material UI Alternatives
Semantic UI supports theming and customization, allowing developers to customize the appearance of their UI components to align with their project’s branding. With its intuitive syntax and detailed documentation, Semantic UI is a valuable tool for designing and developing modern web interfaces.
Source: www.uxpin.com
Top 10 Best CSS Frameworks for Front-End Developers in 2022
If you’re just starting out with CSS and UI, go for Tacit, Pure, or Skeleton. However, to build more complex elements, you’ll need a more inclusive framework like Foundation, Tailwind, or Bootstrap. You can get an easy learning curve through Bulma or Semantic UI.
Source: hackr.io
15 Best CSS Frameworks: Professional Bootstrap and Foundation Alternatives
If you exclude the fact that Semantic UI doesn’t have the utility classes Bootstrap offers, it is a comprehensive CSS framework that you should try. The best Semantic feature allows you to write HTML code without using BEM methodologies.

PostCSS Reviews

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

Social recommendations and mentions

Based on our record, PostCSS should be more popular than Semantic UI. It has been mentiond 45 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.

Semantic UI mentions (19)

  • 100+ Must-Have Web Development Resources
    Semantic UI: A fully semantic front-end development framework. - Source: dev.to / 7 months ago
  • Ant Design – the second most popular React UI framework
    Semantic UI[1] was one I used to use, both the plain CSS one as well as the React version of the library. Version 3.0 is coming (eventually), which has left it a bit outdated for a while, but it's still a solid UI library imho. I have been switching away to Tailwind. [1]: https://semantic-ui.com/. - Source: Hacker News / 10 months ago
  • Ask HN: I'm bad at design, which stops me from finishing side projects. Advice?
    What stack are you using? I personally recommend utilizing readily available components: https://ui.shadcn.com/ https://mui.com/ https://semantic-ui.com/ etc.. - Source: Hacker News / over 1 year ago
  • I hate CSS: how can I build UIs?
    Are you cool with JS frameworks? If so, you can use a higher level of abstraction that takes care of the CSS for you. If you just want to mock something up, you can use a pre-built UI system / component framework and just put together UIs declaratively, without having to worry about the underlying CSS or HTML at all. Examples include https://mui.com/ and https://chakra-ui.com/ and https://ant.design/ Really easy... - Source: Hacker News / over 1 year ago
  • Software Design Document - Lite
    Honestly you should build a webpage and use a UI library if you want markdown with some extra pop. Check out semantic ui. Source: over 2 years ago
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PostCSS mentions (45)

  • Desktop apps for Windows XP in 2025
    Fortunately we have tools like PostCSS and Babel, that let you target your specific Browser version, and they'll do their best to transpile and polyfill your code to work with that version. This alone will do a lot of the heavy lifting for you if you are working with a lot of code. However, if you are just writing out a few HTML, CSS, and JS files, then that would be overkill and you can just figure out what code... - Source: dev.to / 3 months ago
  • Improving Code Quality with Linting
    For example, linting CSS can be beneficial in cases where you need to support legacy browsers. Downgrading JavaScript is pretty common, but it's not always as simple for CSS. Using a linter allows you to be honest with yourself by flagging problematic lines that won't work in older environments, ensuring your pages look as good as possible for everyone. - Source: dev.to / 7 months ago
  • 30+ CSS libraries and frameworks help you style your applications efficiently.
    PostCSS PostCSS is a tool for transforming CSS with JavaScript plugins. These plugins can lint your CSS, support variables and mixins, transpile future CSS syntax, inline images, and more. - Source: dev.to / 9 months ago
  • Webpack Performance Tuning: Minimizing Build Times for Large Projects
    PostCSS is essential to the frontend ecosystem, with 69,473,603 downloads per week, it is bigger than all the above libraries mentioned, and has many features other than polyfilling, it is used by all the frameworks like Next.js, Svelte, Vue, and Tailwind under the hood. LightningCSS, created by the maintainer of another bundler Parcel, and written in Rust, is an excellent alternative. It provides all the... - Source: dev.to / 10 months ago
  • CSS Variable Naming: Best Practices and Approaches
    Stylelint: A modern, flexible linter for CSS that can be configured to check variable consistency. PostCSS: A tool that transforms CSS with plugins, including variable checks. CSS Linter: A specific tool to ensure correct and consistent use of CSS variables. Conclusion 🔗. - Source: dev.to / 10 months ago
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What are some alternatives?

When comparing Semantic UI and PostCSS, you can also consider the following products

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

Sass - Syntatically Awesome Style Sheets

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

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.

UIKit - A lightweight and modular front-end framework for developing fast and powerful web interfaces

Foundation - The most advanced responsive front-end framework in the world