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Purgecss VS Unused CSS

Compare Purgecss VS Unused CSS and see what are their differences

Purgecss logo Purgecss

Easily remove unused CSS

Unused CSS logo Unused CSS

Easily find and remove unused CSS rules
  • Purgecss Landing page
    Landing page //
    2022-03-28
  • Unused CSS Landing page
    Landing page //
    2023-03-13

Unused CSS

$ Details
paid Free Trial $29.0 / Monthly (Up to 1000 pages)

Purgecss features and specs

  • Reduced File Size
    PurgeCSS analyzes your CSS files and removes unused selectors, significantly reducing the size of your CSS files, leading to faster load times.
  • Performance Improvement
    By eliminating unnecessary CSS, PurgeCSS can improve the performance of your website, as there is less CSS for the browser to parse and execute.
  • Enhanced Maintainability
    With PurgeCSS, your CSS becomes cleaner and more manageable, making it easier for developers to maintain and update.
  • Integration
    PurgeCSS can be easily integrated into build tools like Webpack, Gulp, and Grunt, allowing seamless automation in the development workflow.
  • Customizability
    PurgeCSS offers configuration options that allow developers to specify content sources, safelisting of selectors, and more, making it highly customizable.

Possible disadvantages of Purgecss

  • Configuration Complexity
    Setting up PurgeCSS may require a detailed configuration to correctly identify which CSS selectors are in use, which can be complex for larger projects.
  • Potential Removal of Used Styles
    If not configured properly, PurgeCSS might accidentally remove dynamic classes generated by JavaScript or conditional rendering, affecting the functionality of the site.
  • Initial Setup Time
    The initial setup and integration process can be time-consuming, especially for projects with a large codebase or complex structure.
  • Limited Dynamic Content Handling
    PurgeCSS may struggle with highly dynamic sites where CSS classes are generated at runtime, requiring careful management or additional tools to ensure accuracy.
  • Learning Curve
    Developers may need to spend additional time learning how to effectively use PurgeCSS, especially if they are new to the tool or similar CSS management solutions.

Unused CSS features and specs

  • Performance Optimization
    Removing unused CSS can lead to faster page load times, improving user experience and potentially boosting SEO rankings.
  • Reduced File Size
    By eliminating unused CSS, the overall file size of stylesheets is reduced, which can decrease bandwidth usage and server load.
  • Improved Maintainability
    Cleaned-up CSS makes it easier for developers to read and maintain the stylesheet, reducing the complexity of future updates.
  • Fewer Rendering Issues
    By having only the necessary CSS, the likelihood of rendering issues and style conflicts is minimized, ensuring a more consistent design across different browsers and devices.

Possible disadvantages of Unused CSS

  • Potential Over-removal
    There is a risk of mistakenly removing CSS that is conditionally used (e.g., dynamic content or styled via JavaScript), which can lead to broken styles on the website.
  • Initial Setup Complexity
    Setting up tools to analyze and trim unused CSS can be complex, requiring time and technical expertise to configure properly.
  • Regular Maintenance
    Web applications that frequently change or add new content may require ongoing checks to ensure CSS remains optimal, which could increase maintenance efforts.
  • Risk of False Positives
    Automated tools might misidentify CSS as 'unused' if they're used in specific contexts not covered during the analysis phase, potentially leading to functionality issues.

Purgecss videos

How to use PurgeCSS to Remove Unused CSS Classes from Tailwind CSS, Bootstrap, and more!

More videos:

  • Review - Gatsby.js with Tailwind CSS and PurgeCSS

Unused CSS videos

UnCSS your CSS! Removing Unused CSS with PostCSS & Parcel

More videos:

  • Tutorial - How to Remove Unused CSS code from Joomla Web Pages - 👀 WMW 109

Category Popularity

0-100% (relative to Purgecss and Unused CSS)
Developer Tools
58 58%
42% 42
Design Tools
57 57%
43% 43
CSS Framework
100 100%
0% 0
Development
47 47%
53% 53

User comments

Share your experience with using Purgecss and Unused CSS. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Purgecss seems to be a lot more popular than Unused CSS. While we know about 36 links to Purgecss, we've tracked only 1 mention of Unused CSS. 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.

Purgecss mentions (36)

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Unused CSS mentions (1)

  • Top 15 Tools for Frontend Developers: Optimize Your Workflow
    Easily clean up your unused CSS rules with UnusedCSS. This tool scans your stylesheets and identifies CSS rules that are not being used in your project. By removing these unused rules, you can reduce the size of your CSS files, improving load times and overall performance. - Source: dev.to / 10 months ago

What are some alternatives?

When comparing Purgecss and Unused CSS, you can also consider the following products

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

CSS Peeper - Smart CSS viewer tailored for Designers.

CSSViewer - A simple CSS property viewer

Unused CSS finder - Crawl your website and find unused CSS

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

User CSS - User CSS is a browser extension that allows you to inspect style sheets from websites.