--- title: Two lines of CSS that boosts 7x rendering performance! description: Website's nowadays need to be optimal and performant, users on the web have very short attention span. Most common use cases for this is when you have huge... canonical: https://daily.dev/posts/two-lines-of-css-that-boosts-7x-rendering-performance--poc1ar1ee twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Two lines of CSS that boosts 7x rendering performance! | daily.dev og:description: Website's nowadays need to be optimal and performant, users on the web have very short attention span. Most common use cases for this is when you have huge... og:url: https://daily.dev/posts/two-lines-of-css-that-boosts-7x-rendering-performance--poc1ar1ee og:image: https://api.daily.dev/og/posts/pOc1AR1EE.png og:image:alt: Two lines of CSS that boosts 7x rendering performance! og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Two lines of CSS that boosts 7x rendering performance! **[DEV](https://daily.dev/sources/devto)** · 2 min read · 131 upvotes · 7 comments ## Summary Website's nowadays need to be optimal and performant, users on the web have very short attention span. Most common use cases for this is when you have huge list/grid of data that needs to render at the mount of the application. With progressing web development it will soon be supported in all browsers too. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@raulmarindev** · 1 upvotes > This is not supported by Firefox and Safari. https://developer.mozilla.org/en-US/docs/Web/CSS/content-visibility https://developer.mozilla.org/en-US/docs/Web/CSS/contain-intrinsic-size **@saqibjamil** · 0 upvotes > Helpful **@dantew** · 0 upvotes > This is something that i have to try. **@crismarket75** · 0 upvotes > Just going to apply on my last creation to see what will happen on ! **@qorbani** · 0 upvotes > Very promising 🤔 I’ll definitely try it 😁 ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#css](https://daily.dev/tags/css) [View this post on daily.dev](https://daily.dev/posts/two-lines-of-css-that-boosts-7x-rendering-performance--poc1ar1ee) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Two lines of CSS that boosts 7x rendering performance!","url":"https://daily.dev/posts/two-lines-of-css-that-boosts-7x-rendering-performance--poc1ar1ee","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/two-lines-of-css-that-boosts-7x-rendering-performance--poc1ar1ee"},"datePublished":"2022-05-30T00:19:43.791Z","dateModified":"2022-05-30T00:19:43.791Z","description":"Website's nowadays need to be optimal and performant, users on the web have very short attention span. 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