Software Alternatives, Accelerators & Startups

Parcel VS User CSS

Compare Parcel VS User CSS and see what are their differences

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Parcel logo Parcel

Blazing fast, zero configuration web application bundler

User CSS logo User CSS

User CSS is a browser extension that allows you to inspect style sheets from websites.
  • Parcel Landing page
    Landing page //
    2021-12-13
  • User CSS Landing page
    Landing page //
    2023-08-06

Parcel features and specs

  • Zero Configuration
    Parcel requires minimal to no configuration to get started, making it extremely user-friendly, especially for beginners or small projects.
  • Fast Bundling
    Parcel uses worker threads to parallelize tasks, which significantly speeds up the bundling process compared to other bundlers that do not use this approach.
  • Out-of-the-box support for many file types
    Parcel supports many file types (e.g., JavaScript, CSS, HTML, images) right out-of-the-box without needing additional plugins or configurations.
  • Hot Module Replacement (HMR)
    Parcel offers built-in HMR, allowing developers to see changes in real-time without needing to refresh the browser, leading to a faster development cycle.
  • Tree Shaking
    Parcel automatically performs tree shaking, removing unused code from the production build to reduce file sizes, which can improve loading times.
  • Code Splitting
    Parcel has automatic code splitting capabilities which help to improve performance by loading only the necessary assets.
  • Extensible via Plugins
    Parcel’s plugin system allows developers to extend its functionality easily if custom or additional features are needed.

Possible disadvantages of Parcel

  • Community and Ecosystem
    The community and ecosystem around Parcel are smaller compared to other bundlers like Webpack, so finding solutions and third-party plugins might be more challenging.
  • Limited Customization
    While the zero-config aspect is beneficial, it also means there are fewer customization options out-of-the-box, which might be limiting for complex projects needing specific configurations.
  • Performance with Large Projects
    For very large projects, Parcel's performance can become a bottleneck, particularly when it comes to initial build times.
  • Documentation
    The documentation, while improving, is not as comprehensive as some other tools, making it harder for developers to find detailed information when they encounter issues.
  • Dependency Bloat
    Parcel can sometimes include more dependencies than necessary in the final bundle, potentially increasing the final bundle size.

User CSS features and specs

  • Customization
    User CSS allows for extensive customization of the appearance of websites, enabling users to tailor styles to their preferences or needs.
  • Accessibility
    Custom styles can improve accessibility by enhancing contrast, increasing font sizes, or adjusting layouts to make content more readable for individuals with visual impairments.
  • Consistency
    It can create a consistent look and feel across different websites by applying a personalized style sheet, which is beneficial for users who value uniformity.
  • Ad Blocking
    User CSS can be used to hide unwanted elements like advertisements or pop-ups, creating a cleaner browsing experience.
  • Focus on Content
    Users can modify the display to focus on content they deem important by hiding or de-emphasizing less relevant elements.

Possible disadvantages of User CSS

  • Maintenance
    User CSS scripts need regular updates and maintenance, as changes to website structures, class names, or IDs can break the applied styles.
  • Compatibility Issues
    Custom styles may not render correctly across different devices or browsers, leading to inconsistencies in how content is viewed.
  • Complexity
    For non-technical users, creating and managing User CSS can be complex and daunting without knowledge of CSS.
  • Website Functionality
    Incorrect or overly aggressive styling can inadvertently break website functionality or usability by hiding functional elements such as navigation or interactive components.
  • Performance
    Applying User CSS can affect the loading performance of websites, especially if the styles are extensive or poorly optimized.

Analysis of Parcel

Overall verdict

  • Parcel is a good choice for developers looking for a hassle-free, efficient, and beginner-friendly bundler. Its minimal configuration approach and speed make it ideal for small to medium-sized projects. However, for highly complex projects that require intricate and highly customized build processes, other bundlers might be more suitable due to their advanced configuration capabilities.

Why this product is good

  • Parcel is a web application bundler that is appreciated for its simplicity and zero-config philosophy. It automatically detects the files needed for a project without requiring a complex configuration file. Its fast performance is attributed to parallelization and efficient caching. Additionally, Parcel offers out-of-the-box support for JavaScript, CSS, HTML, asset management, and various types of file transformations, making it a versatile tool for web developers.

Recommended for

  • Developers new to module bundlers or looking for an easy-to-setup tool.
  • Projects that value speed and simplicity in their build processes.
  • Developers who need a bundler capable of handling multiple asset types with minimal configuration.
  • Teams that prefer convention over configuration and want to get started quickly without diving deep into complex bundler settings.

Parcel videos

Danby Parcel Guard Smart Mailbox blogger Review

More videos:

  • Review - PARCEL MOVIE REVIEW | SASWATA CHATTERJEE | RITUPARNA SENGUPTA | RUPAM'S REVIEW
  • Review - Le Parcel Box review

User CSS videos

No User CSS videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Parcel and User CSS)
Web Application Bundler
100 100%
0% 0
Design Tools
0 0%
100% 100
JS Build Tools
100 100%
0% 0
Development
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Parcel and User CSS

Parcel Reviews

Rollup v. Webpack v. Parcel
Parcel's caching feature sees dramatically decreases in time consumption after the initial run. For frequent, small changes, in smaller projects **Parcel*8 is a great choice.
Source: x-team.com
If you’ve ever configured Webpack, Parcel will blow your mind!
document.body.className = document.body.className.replace(/(^|\s)is-noJs(\s|$)/, "$1is-js$2")HomepageHomepageJavascriptBecome a memberSign inGet startedIf you’ve ever configured Webpack, Parcel will blow your mind!And how to hit the ground running with Parcel.Ibrahim ButtBlockedUnblockFollowFollowingMar 16, 2018Click here to share this article on LinkedIn »Zero...
Source: medium.com
First impressions with Parcel JS
The big selling point of Parcel though is that it offers a zero configuration experience. This means all the features are available out of the box! It also boasts blazing fast bundle times 👟 You won’t be configuring how Parcel works or having to draft in various plugins to get started. If you do need something, Parcel magically detects this and will pull in stuff for you on...
Source: codeburst.io
Parcel vs webpack - Jakob Lind
Parcel has made their own benchmarks of Parcel and other bundlers. Parcel has been criticized because they have not made the benchmarks open source. People cannot verify that the benchmarks are true when they are not open source.

User CSS Reviews

We have no reviews of User CSS yet.
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Social recommendations and mentions

Based on our record, Parcel seems to be more popular. It has been mentiond 113 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.

Parcel mentions (113)

  • Migrating a JavaScript Project from Prettier and ESLint to BiomeJS
    Https://parceljs.org/ is another. It even supports languages like `` out of the box which is pretty cool. IIRC it downloads necessarily plugins on the fly. - Source: Hacker News / about 1 month ago
  • Create React App is Deprecated – What’s Next ?
    Parcel is another alternative that requires zero configuration and is super fast. If you want a simple React setup without any hassle, Parcel is a great choice. - Source: dev.to / 3 months ago
  • Bun 1.2 Is Released
    From its documentation [1] it looks a lot like a parceljs replacement [2], i.e. a zero config bundler which processes and bundles the dependencies in .html pages. So great for simple websites, not for replacing an entire Vite stack. [1] https://bun.sh/docs/bundler/fullstack [2] https://parceljs.org. - Source: Hacker News / 5 months ago
  • What is Evan You doing by creating VoidZero, and what are the issues with JS toolchains?
    Packagers are the ones we most frequently come into contact with, such as Webpack Vite and Parcel. The latter may not be commonly used, but it is also a well-established tool. - Source: dev.to / 6 months ago
  • Node.js: A brief history of cjs, bundlers, and esm
    Npm packages dramatically sped up the productivity of developers by being able to leverage other developers' work. However, it had a major disadvantage: cjs was not compatible with web browsers. To solve this problem, the concept of bundlers was born. Browserify was the first bundler which essentially worked by traversing an entry point and "bundling" all the require()-ed code into a single .js file compatible... - Source: dev.to / 6 months ago
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User CSS mentions (0)

We have not tracked any mentions of User CSS yet. Tracking of User CSS recommendations started around Apr 2022.

What are some alternatives?

When comparing Parcel and User CSS, you can also consider the following products

Webpack - Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.

CSS Peeper - Smart CSS viewer tailored for Designers.

rollup.js - Rollup is a module bundler for JavaScript which compiles small pieces of code into a larger piece such as application.

CSSViewer - A simple CSS property viewer

esbuild - An extremely fast JavaScript bundler and minifier

CSS Dig - CSS Dig is a Cascading Style Sheet viewer extension that allows you to collect and style the website element properties.