# Implementing Critical CSS on your website

DevFeed: [Implementing Critical CSS on your website](<https://devfeed.tech/articles/implementing-critical-css-on-your-website-31272.md>)

Original publisher: [Read original article](<https://nystudio107.com/blog/implementing-critical-css>)

Author: andrew@nystudio107.com (Andrew Welch)

Published: 2017-02-28T21:34:00Z

Content type: tutorial

Language: en

Sources: [nystudio107 | Articles on modern web development.](<https://devfeed.tech/sources/nystudio107-articles-on-modern-web-development.md>)

Topics: [modern web development](<https://devfeed.tech/topics/modern-web-development.md>), [Web Development](<https://devfeed.tech/topics/web-development.md>), [Front end](<https://devfeed.tech/topics/frontend.md>), [inlining](<https://devfeed.tech/topics/inlining.md>), [render](<https://devfeed.tech/topics/render.md>), [Website](<https://devfeed.tech/topics/website.md>)

Tags: [article](<https://devfeed.tech/tags/article.md>), [browser](<https://devfeed.tech/tags/browser.md>), [critical](<https://devfeed.tech/tags/critical.md>), [development](<https://devfeed.tech/tags/development.md>), [essential](<https://devfeed.tech/tags/essential.md>), [frontend](<https://devfeed.tech/tags/frontend.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [implementing](<https://devfeed.tech/tags/implementing.md>), [inlining](<https://devfeed.tech/tags/inlining.md>), [insights](<https://devfeed.tech/tags/insights.md>), [modern](<https://devfeed.tech/tags/modern.md>), [modern-web-development](<https://devfeed.tech/tags/modern-web-development.md>), [performant](<https://devfeed.tech/tags/performant.md>), [render](<https://devfeed.tech/tags/render.md>), [shows](<https://devfeed.tech/tags/shows.md>), [website](<https://devfeed.tech/tags/website.md>)

## AI overview

This tutorial explains Critical CSS, a method for extracting the CSS needed for above-the-fold content and inlining it so the browser can render the page immediately. It presents the technique as part of building performant websites.

## Source excerpt

Implementing Critical CSS is an essential part of modern website development, this article shows you how to do it