Software Alternatives, Accelerators & Startups

Cowboy VS PostCSS

Compare Cowboy VS PostCSS 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.

Cowboy logo Cowboy

Small, fast, modular HTTP server written in Erlang.

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.
  • Cowboy Landing page
    Landing page //
    2023-01-20
  • PostCSS Landing page
    Landing page //
    2023-09-19

Cowboy features and specs

  • High Performance
    Cowboy is a small, fast, and modern HTTP server for Erlang/OTP, known for its high performance and low latency.
  • Erlang Ecosystem
    Being built using Erlang, Cowboy benefits from Erlang's robust ecosystem, such as fault tolerance, concurrency, and distributed computing capabilities.
  • WebSocket Support
    Cowboy offers built-in WebSocket support, making it easy to build real-time applications.
  • HTTP/2 Support
    Cowboy supports HTTP/2, allowing for performance improvements like multiplexing and header compression.
  • Extensibility
    Cowboy is designed to be modular and extensible, allowing developers to customize and extend its functionalities as needed.

Possible disadvantages of Cowboy

  • Learning Curve
    Developers unfamiliar with Erlang may find Cowboyโ€™s learning curve steep compared to other web servers written in more common languages.
  • Community Support
    While Erlang has a dedicated community, it is smaller compared to communities around more popular languages like Python or JavaScript, which could impact the availability of third-party libraries and support.
  • Documentation
    Although Cowboy has official documentation, some developers might find it less comprehensive and harder to navigate compared to more widely-used platforms.
  • Single-thread Performance
    Cowboy is optimized for handling many connections in an asynchronous, non-blocking manner, but depending on the workload, it might not perform as well as other servers in single-threaded scenarios.

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.

Analysis of Cowboy

Overall verdict

  • Yes, Cowboy is considered a good web server.

Why this product is good

  • Cowboy is a small, fast, and modern HTTP server for Erlang/OTP. It is widely appreciated for its performance, low latency, and ability to handle a large number of concurrent connections efficiently. Cowboy adheres to standards, offering complete support for HTTP/1.1, HTTP/2, and Websocket protocols. Developers often praise its reliability, robustness, and straightforward architecture.

Recommended for

    Cowboy is recommended for developers building Erlang-based systems who need a lightweight yet powerful web server. It's especially suitable for applications that require handling many simultaneous connections, such as real-time web applications. Its design makes it a solid choice for microservices architectures and projects that demand high performance and low resource consumption.

Analysis of PostCSS

Overall verdict

  • Yes, PostCSS is considered a good tool, particularly praised for its adaptability and extensive plugin ecosystem that caters to various CSS processing needs. Its ability to integrate with a wide range of plugins makes it a versatile choice for developers who want to customize their CSS build process.

Why this product is good

  • PostCSS is highly regarded for its flexibility and powerful ecosystem. It serves as a tool for transforming CSS with JavaScript plugins, allowing developers to add custom processing steps and automate repetitive tasks in their CSS workflows. It supports features like CSS variables, nesting, and autoprefixing, which enhance productivity and code maintainability. PostCSS is also valued for its speed and performance, often providing faster processing times compared to other CSS preprocessors.

Recommended for

    Developers looking for a modular and flexible CSS processing tool, teams who want to integrate custom plugins into their build process, projects that require modern CSS features and optimizations, and anyone seeking to enhance their CSS workflow with additional functionality beyond what standard preprocessors offer.

Cowboy videos

COWBOY 3 REVIEW: Why I shipped my Cowboy 3 e-bike back.

More videos:

  • Review - COWBOY BIKE - Bad Bike from Belgium | E-BIKE REVIEW
  • Review - COWBOY, the electric bike TESLA or APPLE could have made: review
  • Review - COWBOY vs VELORETTI vs VANMOOF! Which bike should I chose?!?!
  • Review - NEW COWBOY REVIEW - Spin & Cash Generation Explained - TDS Badlands Update
  • Review - COWBOY 4 Review - Design E-Bike im groรŸen Test

PostCSS videos

UnCSS your CSS! Removing Unused CSS with PostCSS & Parcel

More videos:

  • Review - Terry Smith โ€“ Keep your CSS simple with postcss and tailwind
  • Review - #1 PostCSS ะžะฑะทะพั€

Category Popularity

0-100% (relative to Cowboy and PostCSS)
Web And Application Servers
Developer Tools
0 0%
100% 100
Biking
100 100%
0% 0
Design Tools
0 0%
100% 100

User comments

Share your experience with using Cowboy and PostCSS. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, PostCSS should be more popular than Cowboy. It has been mentiond 46 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.

Cowboy mentions (6)

  • A First Look at the Phoenix Framework
    Plug is both a specification for composable modules between web applications and an abstraction layer for web servers (like Cowboy or Bandit. The core concept is a unified connection (the %Plug.Conn{} struct, similar to HttpContext in .NET) that is transformed as it moves through a series of functions. - Source: dev.to / 9 months ago
  • Does the Heroku Ruby Stack use Log4j?
    According to the 'Server' response header, Cowboy is the customer facing web server Https://github.com/ninenines/cowboy. Source: over 4 years ago
  • How to create an Erlang rebar3 release derivation with dependencies?
    ===> sh(git clone -n https://github.com/ninenines/cowboy .tmp_dir636214859401) Failed with return code 128 and the following output: Cloning into '.tmp_dir636214859401'... Fatal: unable to access 'https://github.com/ninenines/cowboy/': SSL certificate problem: unable to get local issuer certificate. Source: over 4 years ago
  • Oh Erlang... where have you been all my life?
    RE: HTTP/Web Sockets/TCP/UDP/etc. - check out NineNines libraries: Ranch (TCP Socket Acceptor), Cowboy (HTTP Server), Gun (HTTP client), and CowLib (General HTTP/SPDY library) are pretty good from what I hear. Source: over 4 years ago
  • Build an Elixir Redis Server that's 100x faster than HTTP
    Ranch is a pretty well optimized and battle hardened tcp acceptor. It powers the Cowboy/Phoenix server which scales to extreme level of concurrency and low latency. Cowboy uses ranch to pool and accept connections and I believe it uses {active,once}. https://github.com/ninenines/cowboy https://github.com/ninenines/ranch. - Source: Hacker News / almost 5 years ago
View more

PostCSS mentions (46)

  • The tech stack behind InkRows
    Tailwind CSS keeps styling consistent and fast. The utility-first approach means I don't waste time naming classes or managing CSS organization. With the Vite integration and PostCSS transformations, the build stays lean. - Source: dev.to / 7 months ago
  • 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 / over 1 year 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 / almost 2 years 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 / about 2 years 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 / about 2 years ago
View more

What are some alternatives?

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

Ikea Bekant Standing Desk - New motorized standing desk from Ikea

Sass - Syntatically Awesome Style Sheets

Phone Call Translator - Translates your voice calls into 29 languages in real-time

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

Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.

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