--- title: Four Lines in Changed My Site Speed | daily.dev description: Adding four HTML resource hint directives — preload, prefetch, and preconnect — to the element can reduce Largest Contentful Paint (LCP) by... canonical: https://daily.dev/posts/four-lines-in-head-changed-my-site-speed-nclnhdt0z twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Four Lines in Changed My Site Speed | daily.dev og:description: Adding four HTML resource hint directives — preload, prefetch, and preconnect — to the element can reduce Largest Contentful Paint (LCP) by... og:url: https://daily.dev/posts/four-lines-in-head-changed-my-site-speed-nclnhdt0z og:image: https://api.daily.dev/og/posts/NclNhdt0Z.png og:image:alt: Four Lines in Changed My Site Speed 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. # Four Lines in Changed My Site Speed **[Medium Friends](https://daily.dev/sources/mediumfriends)** · [@tusharkanjariya](https://daily.dev/tusharkanjariya) · 1 min read · 0 upvotes · 0 comments ## Summary Adding four HTML resource hint directives — preload, prefetch, and preconnect — to the element can reduce Largest Contentful Paint (LCP) by approximately 600ms. These attributes give the browser early context about critical resources, improving page load performance with minimal code changes. ## Content I added 4 lines to my and cut ~600ms from LCP. Most of us only use for stylesheets — but that leaves performance on the table. preload, prefetch, and preconnect give the browser context it doesn’t have by default. Simple change, real impact. Full breakdown: [Read More](https://medium.com/@TusharKanjariya/four-lines-in-head-changed-my-site-speed-449bfeb396a2) ## Similar posts on daily.dev - [Web Performance 2025: The Shift from Optimization to Prediction](https://daily.dev/posts/web-performance-2025-the-shift-from-optimization-to-prediction-emdlyovyv) · Web Performance Calendar · 0 upvotes · 0 comments - [Improve Website UX with Chrome DevTools and Core Web Vitals.](https://daily.dev/posts/improve-website-ux-with-chrome-devtools-and-core-web-vitals--brpkpxkzp) · Medium · 2 upvotes · 0 comments - [Image Optimization for Core Web Vitals in 2026: What Actually Moves the Needle](https://daily.dev/posts/image-optimization-for-core-web-vitals-in-2026-what-actually-moves-the-needle-jzw6k1lio) · SitePoint · 11 upvotes · 0 comments - [Insights from 100 site speed reviews in 2025](https://daily.dev/posts/insights-from-100-site-speed-reviews-in-2025-yh4tk3cne) · Web Performance Calendar · 0 upvotes · 0 comments --- Tags: [#webdev](https://daily.dev/tags/webdev), [#html](https://daily.dev/tags/html) [View this post on daily.dev](https://daily.dev/posts/four-lines-in-head-changed-my-site-speed-nclnhdt0z) ```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":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/four-lines-in-head-changed-my-site-speed-nclnhdt0z","headline":"Four Lines in Changed My Site Speed","text":"Adding four HTML resource hint directives — preload, prefetch, and preconnect — to the element can reduce Largest Contentful Paint (LCP) by approximately 600ms. 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