uncss
critters
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| uncss | critters | |
|---|---|---|
| 5 | 7 | |
| 9,388 | 3,374 | |
| 0.2% | 1.2% | |
| 5.3 | 6.6 | |
| 24 days ago | about 2 months ago | |
| JavaScript | JavaScript | |
| MIT License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
uncss
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Optimize CSS with SAT Solving
Check out: https://github.com/uncss/uncss
I've only used it once but it did the job (NOTE: Plain HTML, plain CSS, no build pipeline. So YMMV)
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PurgeCSS & styled-components: Does It Work?
PurgeCSS analyzes your HTML and internally keeps track of which selectors are being used or not. PurgeCSS actually analyzes other types of files besides HTML for selectors, such as template files and JavaScript. This feature is what makes PurgeCSS different from a similar solution, UnCSS, and related to a 'predecessor' solution called PurifyCSS. More on both of those later on.
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Lessons learned from building landing pages
In the process of trying to figure out how to remove the unused code, I found out about UnCSS, a tool that removes unused CSS from your stylesheets. It can be installed by running:
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Any tool the will scan HTML and css and show unused css rules?
Also UnCSS.
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remove unwanted css using post css
https://github.com/uncss/uncss https://shorturl.at/yzSVX https://uncss-online.com/
critters
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Show HN: Jampack – Optimizes static websites as a post-processing step
I'm interested in the notion of identifying "critical" CSS that should be inlined rather than live in its own stylesheet.
I was hoping there was some principled way of identifying critical and non-critical CSS (e.g. user interaction effects like :hover would always be considered non-critical), but it looks like the library it's using just tries to render your page and do a best-effort detection on which rules are considered critical, which is a little unsatisfying: https://github.com/GoogleChromeLabs/critters
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Optimize CSS with SAT Solving
https://github.com/GoogleChromeLabs/critters Might be a good starting point. It’s designed to inline the css afterward so it’s more focused on extracting used css than removing unused.
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Critical CSS and Next.js App Directory
With the Pages dir, we had experimental support for critters. That was good enough for me
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Remove CSS Styles and Apply Styles to All Elements
Critters does something similar but it is intended to inline only the CSS that is visible upon the page load (top of the page). There is also a Vite plugin that inlines everything that is possible to inline
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Optimizing CSS Performance in Nuxt with Critters
// nuxt.config.js import { defineNuxtConfig } from 'nuxt' export default defineNuxtConfig({ modules: ['@nuxtjs/critters'], critters: { // Options passed directly to critters: https://github.com/GoogleChromeLabs/critters#critters-2 config: { // Default: 'media' preload: 'swap', }, }, })
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Critical CSS? Not So Fast
I find critters[0] quite easy to work with and well worth implementing on my nextjs or Astro projects.
I build a lot of landing pages so there are very few multi page visits.
[0] https://github.com/GoogleChromeLabs/critters
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Vue Webpack - possible to extract some CSS but not all?
Doesn't critters do this already? https://github.com/GoogleChromeLabs/critters I could be wrong though
What are some alternatives?
purgecss - Remove unused CSS
compression-webpack-plugin - Prepare compressed versions of assets to serve them with Content-Encoding
Tailwind CSS - A utility-first CSS framework for rapid UI development.
critters - CSS optimization using critters for Nuxt
Bulma - Modern CSS framework based on Flexbox
webpack-assets-manifest - This webpack plugin will generate a JSON file that matches the original filename with the hashed version.
purifycss - Remove unused CSS. Also works with single-page apps.
mangle-css-class-webpack-plugin - Minifies and obfuscates the class names in your existing JavaScript, CSS, and HTML without any modern css modules.
stellar-photos - Beautiful hi-res photos in your browser tabs - Available for the desktop versions of Chrome, Firefox, Microsoft Edge, Opera, Vivaldi, Brave, and other Chromium browsers.
critical - Extract & Inline Critical-path CSS in HTML pages
Sass - Sass makes CSS fun!
penthouse - Generate critical css for your web pages