{"id":17409,"date":"2025-03-13T10:41:08","date_gmt":"2025-03-13T10:41:08","guid":{"rendered":"https:\/\/www.seoreviewtools.com\/?p=17409"},"modified":"2025-10-31T12:45:23","modified_gmt":"2025-10-31T12:45:23","slug":"core-web-vitals-test","status":"publish","type":"post","link":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/","title":{"rendered":"Google Core Web Vitals Test"},"content":{"rendered":"\n<h2>Google Core Web Vitals Checker.<\/h2>\n<blockquote><p><strong>Updates<\/strong>: The Google Core Web Vitals tool has been updated to feature Google&#8217;s latest testing metrics and methods. <a href=\"#comment-205707\">Discover more &rarr;<\/a> <\/p><\/blockquote>\n<p>The Core Web Vitals checker measures the 3 key metrics that, according to Google, are essential to delivering a great user experience on the web. To perform the Core Web Vitals test this tool is powered by real-world Chrome user data.&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full img-responsive \" src=\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png\" alt=\"Core Web Vitals Test\"><\/p>\n<h2>What are the Core Web Vitals?<\/h2>\n<div class=\"info-block\">\n<p>The Core Web Vitals are a set of metrics (Largest Contentful Paint, Interaction To Next Paint &amp; Cumulative Layout Shift) designed to measure user experience. The Web Vitals are part of the <strong>Google Page experience signals <\/strong>together with existing Search signals for page experience, including mobile-friendliness, safe-browsing, HTTPS-security, and intrusive interstitial guidelines. Core Web Vitals are important metrics, because Google will start using them as ranking signals starting in 2021.<\/p>\n<\/div>\n<p><img decoding=\"async\" class=\"aligncenter size-full img-responsive \" src=\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Page-experience-signals-update.png\" alt=\"Google Page experience signals\"><\/p>\n<h2>Core Web Vitals test report<\/h2>\n<ul class=\"explanation\">\n<li><strong>Load time<\/strong> &#8211; Largest Contentful Paint (LCP), measures the render time of the largest image or text block visible within the viewport.<\/li>\n<li><strong>Interactivity<\/strong> &#8211; Interaction To Next Paint (INP),  measures responsiveness. To provide a good user experience.<\/li>\n<li><strong>Visual stability<\/strong> &#8211; Cumulative Layout Shift (CLS), the sum of individual layout shift scores, during page load.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full img-responsive \" src=\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Core-Web-Vitals-Check.png\" alt=\"Core Web Vitals Check\"><\/p>\n<h2>Core Web Vitals score evaluation<\/h2>\n<table class=\"table\">\n<tbody>\n<tr>\n<td>&nbsp;<\/td>\n<td><span class=\"green-text\">Good<\/span><\/td>\n<td><span class=\"yellow-text\">Needs improvement<\/span><\/td>\n<td><span class=\"red-text\">Poor<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Contentful Paint (LCP)<\/strong><\/td>\n<td>&lt;2500 ms<\/td>\n<td>&lt;=4000 s<\/td>\n<td>&gt;4000 ms<\/td>\n<\/tr>\n<tr>\n<td><strong>Interaction To Next Paint (INP)<\/strong><\/td>\n<td>&lt;100 ms<\/td>\n<td>&lt;=300 ms<\/td>\n<td>&gt;300 ms<\/td>\n<\/tr>\n<tr>\n<td><strong>Cumulative Layout Shift (CLS)<\/strong><\/td>\n<td>&lt;0.1<\/td>\n<td>&lt;=0.25<\/td>\n<td>&gt;0.25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>How to pass the Core Web Vitals test?<\/h2>\n<p><strong>Core Web Vitals Score<\/strong><\/p>\n<ul class=\"default\">\n<li><strong>Pass<\/strong> &#8211; Your page scores meets the recommended targets at the 75th percentile for all of the above three metrics.<\/li>\n<li><strong>Fail<\/strong> &#8211; Your page scores doesn&#8217;t meet the recommended targets.<\/li>\n<\/ul>\n<h2>How to optimize for Core Web Vitals?<\/h2>\n<h3>#1 Optimize Largest Contentful Paint time<\/h3>\n<p style=\"text-align: center;\">When it comes to technical website optimization there is no &#8220;one-size-fits-all&#8221; solution, but when we look at the most common causes for a slow Largest Contentful Paint.<\/p>\n<div class=\"info-block\">\n<ul class=\"negative\">\n<li>Slow server response times.<\/li>\n<li>Render-blocking JavaScript and CSS.<\/li>\n<li>Slow resource load times.<\/li>\n<li>Client-side rendering.<\/li>\n<\/ul>\n<\/div>\n<h3>#2 Optimizing Interaction To Next Paint<\/h3>\n<p style=\"text-align: center;\">The main reason for a low INP score is caused by heavy JavaScript execution. Here are some examples to help with optimizing your INP.<\/p>\n<div class=\"info-block\">\n<ul class=\"positive\">\n<li>Reduce heavy JavaScript execution.<\/li>\n<li>Split code that blocks the main thread for more than 50 ms.<\/li>\n<li>Use Web workers to make it possible to run JavaScript on a background thread.<\/li>\n<\/ul>\n<\/div>\n<h3>#3 Optimize Cumulative Layout Shift<\/h3>\n<p style=\"text-align: center;\">In many cases a high CLS score is related to:<\/p>\n<div class=\"info-block\">\n<ul class=\"negative\">\n<li>Images that don&#8217;t have their dimensions specified.<\/li>\n<li>Ads, embeds, and iframes without dimensions<\/li>\n<li>Dynamically injected content<\/li>\n<\/ul>\n<\/div>\n<h2>Related SEO Tools<\/h2>\n<ul class=\"explanation\">\n<li><a href=\"https:\/\/www.seoreviewtools.com\/mobile-friendly-testing-tool\/\">Mobile Friendly Checker<\/a>, find out if your web page is optimized for mobile phones.<\/li>\n<li><a href=\"https:\/\/www.seoreviewtools.com\/website-security-checker\/\">Save browsing checker<\/a>, discover if your website is infected by Malware or malicious software.<\/li>\n<li><a href=\"https:\/\/www.seoreviewtools.com\/google-seo-checker\/\">Google SEO checker<\/a>, see how Google looks at your webpage from a SEO perspective.<\/li>\n<li><a href=\"https:\/\/www.seoreviewtools.com\/website-accessibility-checker\/\">Website Accessibility Checker<\/a>, Google API powered accessibility scan.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Google Core Web Vitals Checker. Updates: The Google Core Web Vitals tool has been updated to feature Google&#8217;s latest testing metrics and methods. Discover more &rarr; The Core Web Vitals checker measures the 3 key metrics that, according to Google, are essential to delivering a great user experience on the web. To perform the Core Web Vitals test &#8230;..","protected":false},"author":1,"featured_media":98763,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,11,25],"tags":[26],"class_list":["post-17409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo-tools","category-technical-seo-tools","category-webmaster-tools","tag-google-tools"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Google Core Web Vitals Test \u2192 SEO Review Tools<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Google Core Web Vitals Test \u2192 SEO Review Tools\" \/>\n<meta property=\"og:description\" content=\"Google Core Web Vitals Checker. Updates: The Google Core Web Vitals tool has been updated to feature Google&#8217;s latest testing metrics and methods. Discover more &rarr; The Core Web Vitals checker measures the 3 key metrics that, according to Google, are essential to delivering a great user experience on the web. To perform the Core Web Vitals test .....\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/\" \/>\n<meta property=\"og:site_name\" content=\"SEO Review Tools\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-13T10:41:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-31T12:45:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1482\" \/>\n\t<meta property=\"og:image:height\" content=\"655\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Jasja ter Horst (admin)\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SEOReviewTools\" \/>\n<meta name=\"twitter:site\" content=\"@SEOReviewTools\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jasja ter Horst (admin)\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/\"},\"author\":{\"name\":\"Jasja ter Horst (admin)\",\"@id\":\"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/39703415fe4bc4ab775e9c3a88e485cb\"},\"headline\":\"Google Core Web Vitals Test\",\"datePublished\":\"2025-03-13T10:41:08+00:00\",\"dateModified\":\"2025-10-31T12:45:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/\"},\"wordCount\":479,\"commentCount\":3,\"image\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png\",\"keywords\":[\"Google tools\"],\"articleSection\":[\"SEO &amp; AI Tools\",\"Technical SEO Tools\",\"Webmaster Tools\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/\",\"url\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/\",\"name\":\"Google Core Web Vitals Test \u2192 SEO Review Tools\",\"isPartOf\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png\",\"datePublished\":\"2025-03-13T10:41:08+00:00\",\"dateModified\":\"2025-10-31T12:45:23+00:00\",\"author\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/39703415fe4bc4ab775e9c3a88e485cb\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage\",\"url\":\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png\",\"contentUrl\":\"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png\",\"width\":1482,\"height\":655},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.seoreviewtools.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Google Core Web Vitals Test\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.seoreviewtools.com\/#website\",\"url\":\"https:\/\/www.seoreviewtools.com\/\",\"name\":\"SEO Review Tools\",\"description\":\"Making SEO accessible\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.seoreviewtools.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/39703415fe4bc4ab775e9c3a88e485cb\",\"name\":\"Jasja ter Horst (admin)\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/bb6e62e3720214b4311a1dd8d0927f75e8ecf14da0f7a8f96fc4a3174ac0dd25?s=96&d=blank&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/bb6e62e3720214b4311a1dd8d0927f75e8ecf14da0f7a8f96fc4a3174ac0dd25?s=96&d=blank&r=g\",\"caption\":\"Jasja ter Horst (admin)\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Google Core Web Vitals Test \u2192 SEO Review Tools","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/","og_locale":"en_US","og_type":"article","og_title":"Google Core Web Vitals Test \u2192 SEO Review Tools","og_description":"Google Core Web Vitals Checker. Updates: The Google Core Web Vitals tool has been updated to feature Google&#8217;s latest testing metrics and methods. Discover more &rarr; The Core Web Vitals checker measures the 3 key metrics that, according to Google, are essential to delivering a great user experience on the web. To perform the Core Web Vitals test .....","og_url":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/","og_site_name":"SEO Review Tools","article_published_time":"2025-03-13T10:41:08+00:00","article_modified_time":"2025-10-31T12:45:23+00:00","og_image":[{"width":1482,"height":655,"url":"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png","type":"image\/png"}],"author":"Jasja ter Horst (admin)","twitter_card":"summary_large_image","twitter_creator":"@SEOReviewTools","twitter_site":"@SEOReviewTools","twitter_misc":{"Written by":"Jasja ter Horst (admin)","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#article","isPartOf":{"@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/"},"author":{"name":"Jasja ter Horst (admin)","@id":"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/39703415fe4bc4ab775e9c3a88e485cb"},"headline":"Google Core Web Vitals Test","datePublished":"2025-03-13T10:41:08+00:00","dateModified":"2025-10-31T12:45:23+00:00","mainEntityOfPage":{"@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/"},"wordCount":479,"commentCount":3,"image":{"@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage"},"thumbnailUrl":"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png","keywords":["Google tools"],"articleSection":["SEO &amp; AI Tools","Technical SEO Tools","Webmaster Tools"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/","url":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/","name":"Google Core Web Vitals Test \u2192 SEO Review Tools","isPartOf":{"@id":"https:\/\/www.seoreviewtools.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage"},"image":{"@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage"},"thumbnailUrl":"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png","datePublished":"2025-03-13T10:41:08+00:00","dateModified":"2025-10-31T12:45:23+00:00","author":{"@id":"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/39703415fe4bc4ab775e9c3a88e485cb"},"breadcrumb":{"@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#primaryimage","url":"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png","contentUrl":"https:\/\/www.seoreviewtools.com\/wp-content\/uploads\/Google-Core-Web-Vitals-Test.png","width":1482,"height":655},{"@type":"BreadcrumbList","@id":"https:\/\/www.seoreviewtools.com\/core-web-vitals-test\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.seoreviewtools.com\/"},{"@type":"ListItem","position":2,"name":"Google Core Web Vitals Test"}]},{"@type":"WebSite","@id":"https:\/\/www.seoreviewtools.com\/#website","url":"https:\/\/www.seoreviewtools.com\/","name":"SEO Review Tools","description":"Making SEO accessible","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.seoreviewtools.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/39703415fe4bc4ab775e9c3a88e485cb","name":"Jasja ter Horst (admin)","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.seoreviewtools.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/bb6e62e3720214b4311a1dd8d0927f75e8ecf14da0f7a8f96fc4a3174ac0dd25?s=96&d=blank&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bb6e62e3720214b4311a1dd8d0927f75e8ecf14da0f7a8f96fc4a3174ac0dd25?s=96&d=blank&r=g","caption":"Jasja ter Horst (admin)"}}]}},"views":69534,"_links":{"self":[{"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/posts\/17409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/comments?post=17409"}],"version-history":[{"count":3,"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/posts\/17409\/revisions"}],"predecessor-version":[{"id":112702,"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/posts\/17409\/revisions\/112702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/media\/98763"}],"wp:attachment":[{"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/media?parent=17409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/categories?post=17409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.seoreviewtools.com\/wp-json\/wp\/v2\/tags?post=17409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}