JavaScript critical-css

Open-source JavaScript projects categorized as critical-css
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JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
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Top 3 JavaScript critical-css Projects

critical-css

  1. critical

    Extract & Inline Critical-path CSS in HTML pages

    Project mention: How to Optimize CSS for Faster Page Load Speed | dev.to | 2025-04-24

    npm install purgecss -g purgecss --css styles.css --content index.html --output clean-styles.css ### 2. Use Critical CSS Load the CSS needed for above-the-fold content *first*, and defer the rest. Tools like [Critical](https://github.com/addyosmani/critical) automate this process and help speed up your **first paint** dramatically.

  2. SurveyJS

    JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.

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  3. goober

    🥜 goober, a less than 1KB 🎉 css-in-js alternative with a familiar API

  4. Twelvety

    An Eleventy starter project built to be fast (by gregives)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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JavaScript critical-css related posts

  • Enhance WASM: Back End Agnostic SSR for Web Components

    4 projects | news.ycombinator.com | 11 Apr 2024

  • Show HN: Jampack – Optimizes static websites as a post-processing step

    3 projects | news.ycombinator.com | 25 Mar 2024

  • Critical CSS and Next.js App Directory

    1 project | /r/nextjs | 26 Nov 2023

  • Remove CSS Styles and Apply Styles to All Elements

    1 project | /r/css | 7 May 2023

  • Optimizing CSS Performance in Nuxt with Critters

    2 projects | dev.to | 26 Dec 2022

  • Critical – Extract and Inline Critical-Path CSS in HTML Pages

    1 project | news.ycombinator.com | 11 Nov 2022

  • Google Page Speed Insights and Magento 2

    2 projects | dev.to | 7 Nov 2022
  • A note from our sponsor - SurveyJS
    surveyjs.io | 21 May 2025
    Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more. Learn more →

Index

What are some of the best open-source critical-css projects in JavaScript? This list will help you:

# Project Stars
1 critical 10,128
2 goober 3,200
3 Twelvety 296

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Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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