{"id":6370,"date":"2026-01-31T14:13:00","date_gmt":"2026-01-31T07:13:00","guid":{"rendered":"https:\/\/faveworks.com\/hub\/core-web-vitals-guide"},"modified":"2026-10-11T22:32:33","modified_gmt":"2026-10-11T15:32:33","slug":"core-web-vitals-guide","status":"publish","type":"post","link":"https:\/\/faveworks.com\/hub\/en\/core-web-vitals-guide","title":{"rendered":"Core Web Vitals: The Secret to Optimizing Your LCP, FID, &#038; CLS Scores"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Core Web Vitals<\/strong> have become a required standard for every website owner who wants to stay in the search race.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li class=\"\"><a href=\"#why-are-core-web-vitals-so-important-for-your-seo-today\">Why Are Core Web Vitals So Important for Your SEO Today?<\/a><\/li><li class=\"\"><a href=\"#what-is-lcp-and-how-do-you-speed-up-your-main-image\">What Is LCP and How Do You Speed Up Your Main Image?<\/a><\/li><li class=\"\"><a href=\"#why-does-a-website-feel-laggy-when-you-click-meet-fid\">Why Does a Website Feel &#8220;Laggy&#8221; When You Click? Meet FID<\/a><\/li><li class=\"\"><a href=\"#why-does-the-layout-suddenly-shift-the-danger-of-cls-for-visitors\">Why Does the Layout Suddenly Shift? The Danger of CLS for Visitors<\/a><\/li><li class=\"\"><a href=\"#how-do-you-check-your-websites-core-web-vitals-score-accurately\">How Do You Check Your Website&#8217;s Core Web Vitals Score Accurately?<\/a><\/li><li class=\"\"><a href=\"#practical-optimization-steps-where-should-i-start\">Practical Optimization Steps: Where Should I Start?<\/a><\/li><li class=\"\"><a href=\"#quick-core-web-vitals-optimization-tips\">Quick Core Web Vitals Optimization Tips:<\/a><\/li><li class=\"\"><a href=\"#time-for-your-website-to-soar-in-google-search\">Time for Your Website to Soar in Google Search!<\/a><\/li><li class=\"\"><a href=\"#read-next\">Read Next<\/a><\/li><li class=\"\"><a href=\"#references\">References:<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Many website owners panic when they see a Google Search Console report full of red. Admittedly, the term sounds technical and intimidating, but it is actually the secret key to winning over Google and your visitors at the same time.<\/p>\n\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>Google no longer judges only your content, but also how visitors feel when that content loads on their screen.<\/p><\/blockquote><\/figure>\n\n\n\n<h2 id=\"why-are-core-web-vitals-so-important-for-your-seo-today\" class=\"wp-block-heading\"><strong>Why Are Core Web Vitals So Important for Your SEO Today?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Since Google introduced the page experience update, the rules of the game have changed completely. Google wants to make sure users get a fast, responsive, and visually stable experience. <strong>Core Web Vitals<\/strong> are now an official ranking factor that cannot be ignored.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your website is slow, visitors will quickly hit the back button. This raises your bounce rate and sends a bad signal that your site does not deserve a top spot in search results.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Main Component<\/strong><\/td><td><strong>Main Focus<\/strong><\/td><td><strong>Ideal Target Score<\/strong><\/td><\/tr><tr><td><strong>LCP<\/strong> (Largest Contentful Paint)<\/td><td>Loading speed<\/td><td>&lt; 2.5 seconds<\/td><\/tr><tr><td><strong>FID<\/strong> (First Input Delay)<\/td><td>Responsiveness<\/td><td>&lt; 100 milliseconds<\/td><\/tr><tr><td><strong>CLS<\/strong> (Cumulative Layout Shift)<\/td><td>Visual stability<\/td><td>&lt; 0.1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"what-is-lcp-and-how-do-you-speed-up-your-main-image\" class=\"wp-block-heading\"><strong>What Is LCP and How Do You Speed Up Your Main Image?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"810\" src=\"https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-1.jpg\" alt=\"core web vitals\" class=\"wp-image-6154\" srcset=\"https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-1.jpg 1440w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-1-300x169.jpg 300w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-1-1024x576.jpg 1024w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-1-768x432.jpg 768w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Largest Contentful Paint, or <strong>LCP<\/strong>, is a metric that measures how long it takes to display the largest visual element on the screen. Usually, this element is a hero image, a video, or a large block of text at the top of the page.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main cause of a poor <strong>LCP<\/strong> score is render-blocking resources such as CSS or JavaScript files that are too heavy. We recommend compressing images and using modern formats like WebP to keep web performance optimal without sacrificing visual quality.<\/p>\n\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>Use lazy loading only for images below the fold, while the main image should load as fast as possible with no delay.<\/p><\/blockquote><\/figure>\n\n\n\n<h2 id=\"why-does-a-website-feel-laggy-when-you-click-meet-fid\" class=\"wp-block-heading\"><strong>Why Does a Website Feel &#8220;Laggy&#8221; When You Click? Meet FID<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Have you ever tried to click a button on a website, but nothing happened for a few seconds? That is the First Input Delay, or <strong>FID<\/strong>, problem. This <strong>Core Web Vitals<\/strong> metric measures the time from when a user first interacts until the browser actually processes the command.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>FID<\/strong> problems usually come from JavaScript that takes too long to run. To fix them, we need to do code splitting or reduce unnecessary third-party scripts, because they can hurt the user experience.<\/p>\n\n\n\n<h2 id=\"why-does-the-layout-suddenly-shift-the-danger-of-cls-for-visitors\" class=\"wp-block-heading\"><strong>Why Does the Layout Suddenly Shift? The Danger of CLS for Visitors<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"810\" src=\"https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-3.jpg\" alt=\"core web vitals\" class=\"wp-image-6156\" srcset=\"https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-3.jpg 1440w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-3-300x169.jpg 300w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-3-1024x576.jpg 1024w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-3-768x432.jpg 768w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This is the most annoying one: just as you are about to click a link, an ad suddenly appears and pushes the whole layout, so you click the wrong thing. This is measured by Cumulative Layout Shift, or <strong>CLS<\/strong>. Google really dislikes this visual instability because it ruins the user experience.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To keep things visually stable, make sure every image and ad element has clear dimension attributes (width and height). By setting the space size first, the browser will not &#8220;guess&#8221; and push content around once the element finishes loading.<\/p>\n\n\n\n<h2 id=\"how-do-you-check-your-websites-core-web-vitals-score-accurately\" class=\"wp-block-heading\"><strong>How Do You Check Your Website&#8217;s Core Web Vitals Score Accurately?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We always recommend using Google&#8217;s official tools so the data is valid. You can start with PageSpeed Insights to see field data as well as lab data. Field data is the real result from actual users who visited your website in the last 28 days.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Monitor the report in Google Search Console regularly. There, you will see which URLs fall into the &#8220;Good&#8221;, &#8220;Needs Improvement&#8221;, or &#8220;Poor&#8221; category. Focus on URLs with high traffic but still a &#8220;Poor&#8221; score so the impact of your <strong>Core Web Vitals<\/strong> optimization is significant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recommended Tools for Checking Core Web Vitals:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2713 Lighthouse in Chrome DevTools for local simulation<\/li>\n\n\n\n<li>\u2713 Web Vitals Extension to see scores in real time while browsing<\/li>\n\n\n\n<li>\u2713 Search Console to see long-term performance trends<\/li>\n<\/ul>\n\n\n\n<h2 id=\"practical-optimization-steps-where-should-i-start\" class=\"wp-block-heading\"><strong>Practical Optimization Steps: Where Should I Start?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"810\" src=\"https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-2.jpg\" alt=\"core web vitals\" class=\"wp-image-6155\" srcset=\"https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-2.jpg 1440w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-2-300x169.jpg 300w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-2-1024x576.jpg 1024w, https:\/\/faveworks.com\/hub\/wp-content\/uploads\/2026\/01\/core-web-vitals-2-768x432.jpg 768w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If you feel overwhelmed, start with the most basic step. Server optimization is the first step with the biggest impact on server response time. Make sure you use quality hosting and enable a solid caching system.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After that, review the assets on your website. Are there images that are too large? Are there rarely used plugins that still load scripts on every page? Regular cleanup of unused CSS and JavaScript gives the browser more breathing room to render your site.<\/p>\n\n\n\n<h3 id=\"quick-core-web-vitals-optimization-tips\" class=\"wp-block-heading\"><strong>Quick Core Web Vitals Optimization Tips:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compress images using the WebP or AVIF format<\/li>\n\n\n\n<li>Minify CSS and JavaScript files<\/li>\n\n\n\n<li>Use a CDN to speed up content delivery<\/li>\n\n\n\n<li>Enable browser caching and server-side caching<\/li>\n\n\n\n<li>Remove unused plugins or scripts<\/li>\n<\/ul>\n\n\n\n<h2 id=\"time-for-your-website-to-soar-in-google-search\" class=\"wp-block-heading\"><strong>Time for Your Website to Soar in Google Search!<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Optimizing <strong>Core Web Vitals<\/strong> is no longer optional, it is a must if you want to stay relevant in an increasingly tight search competition. By focusing on <strong>LCP<\/strong>, <strong>FID<\/strong>, and <strong>CLS<\/strong>, you not only please the algorithm, but also give the best service to your loyal visitors.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The technical fixes you make today will raise your website authority and ranking slowly but surely. Do not wait until competitors overtake your ranking over technical issues that could be fixed right now.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Start by fixing the single heaviest element on your homepage today, or contact us for an in-depth technical SEO audit consultation!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">For the official reference, visit <a href=\"https:\/\/web.dev\/\" target=\"_blank\" rel=\"noopener\">web.dev<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Need help applying this strategy to your website? The Faveworks team is ready to help through our <a href=\"https:\/\/faveworks.com\/en\/services\/web-development\/\">web development services<\/a>, with a free initial consultation.<\/p>\n\n\n\n<h2 id=\"read-next\" class=\"wp-block-heading\">Read Next<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/faveworks.com\/hub\/en\/web-accessibility-guide\/\">What Is Web Accessibility? An Inclusive and SEO-Friendly Website Solution<\/a><\/li>\n\n\n<\/ul>\n\n\n\n<h2 id=\"references\" class=\"wp-block-heading\"><strong>References:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Google Search Central, Understanding Core Web Vitals and Google Search Results<\/li>\n\n\n\n<li>Web.dev, Vitals: Essential metrics for a healthy site<\/li>\n\n\n\n<li>Chrome Engineering Blog, The Science Behind Core Web Vitals<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Core Web Vitals have become a required standard for every website owner who wants to stay in the search race.&nbsp; Many website owners panic when&#8230;<\/p>\n","protected":false},"author":2,"featured_media":6157,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[314,316],"tags":[],"class_list":["post-6370","post","type-post","status-publish","format-standard","has-post-thumbnail","category-seo-en","category-website-en"],"_links":{"self":[{"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/posts\/6370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/comments?post=6370"}],"version-history":[{"count":2,"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/posts\/6370\/revisions"}],"predecessor-version":[{"id":6382,"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/posts\/6370\/revisions\/6382"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/media\/6157"}],"wp:attachment":[{"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/media?parent=6370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/categories?post=6370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/faveworks.com\/hub\/wp-json\/wp\/v2\/tags?post=6370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}