{"id":31671,"date":"2021-06-16T10:50:22","date_gmt":"2021-06-16T15:50:22","guid":{"rendered":"https:\/\/www.mediavine.com\/?p=31671"},"modified":"2021-09-02T11:56:57","modified_gmt":"2021-09-02T16:56:57","slug":"mediavine-core-web-vitals-update-what-you-need-to-know","status":"publish","type":"post","link":"https:\/\/www.mediavine.com\/blog\/mediavine-core-web-vitals-update-what-you-need-to-know\/","title":{"rendered":"Mediavine Core Web Vitals Update: What You Need to Know"},"content":{"rendered":"\r\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0\">\r\n<article class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:0;padding-bottom:0\">\r\n<section class=\"wp-block-group alignfull is-style-beige has-global-padding is-layout-constrained wp-container-core-group-is-layout-772205c6 wp-block-group-is-layout-constrained is-style-beige--1\" style=\"padding-top:var(--wp--preset--spacing--50)\">\r\n<header class=\"wp-block-group c-breadcrumbs aligngrid has-global-padding is-content-justification-left is-layout-constrained wp-container-core-group-is-layout-61973aa6 wp-block-group-is-layout-constrained\" style=\"margin-top:0;margin-bottom:0\">\r\n<header class=\"wp-block-group aligngrid is-content-justification-left is-nowrap is-layout-flex wp-container-core-group-is-layout-d68226ec wp-block-group-is-layout-flex\" style=\"margin-top:0;margin-bottom:var(--wp--preset--spacing--30)\">\r\n<figure class=\"wp-block-image size-large is-resized\" style=\"margin-bottom:5px\"><img decoding=\"async\" src=\"https:\/\/mediavine-dev.d1.moderntribe.qa\/wp-content\/uploads\/2025\/10\/chevron-left2.svg\" alt=\"\" class=\"wp-image-542\" style=\"aspect-ratio:9\/16;object-fit:contain;width:auto;height:20px\"\/><\/figure>\r\n\r\n\r\n\r\n<p class=\"is-style-small is-style-small--2\"><a href=\"\/blog\/\">Back to Blog<\/a><\/p>\r\n<\/header>\r\n\r\n\r\n\r\n<hr class=\"wp-block-separator has-alpha-channel-opacity aligngrid\" style=\"margin-top:0;margin-bottom:0\"\/>\r\n<\/header>\r\n<\/section>\r\n\r\n\r\n\r\n<section class=\"wp-block-group alignfull is-style-default has-neutral-20-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-bottom:var(--wp--preset--spacing--70);padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--60)\"><div class=\"aligncenter aligncenter wp-block-tribe-terms\"><ul class=\"wp-block-tribe-terms__list\"><li class=\"wp-block-tribe-terms__term\"><span class=\"wp-block-tribe-terms__link t-category\">Pagespeed<\/span><\/li><\/ul><\/div>\r\n\r\n<h1 style=\"margin-top:var(--wp--preset--spacing--10);\" class=\"has-text-align-center wp-block-post-title\">Mediavine Core Web Vitals Update: What You Need to Know<\/h1>\r\n\r\n\r\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-9b38c6d9 wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:0;padding-top:0;padding-bottom:0\"><div style=\"margin-bottom:0;margin-top:0;margin-left:0;margin-right:0;\" class=\"has-text-align-center wp-block-post-author-name\">Eric Hochberger<\/div>\r\n\r\n\r\n<p>\u2022<\/p>\r\n\r\n\r\n<div style=\"padding-top:0;padding-bottom:0;padding-left:0;padding-right:0;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0;\" class=\"has-text-align-center wp-block-post-date has-10-font-size\"><time datetime=\"2021-06-16T10:50:22-05:00\">June 16, 2021<\/time><\/div><\/div>\r\n<\/section>\r\n\r\n\r\n\r\n<section class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:0;padding-bottom:0\">\n<p><em>Updated 8\/30\/2021 &#8211; The Trellis Open Beta is now available to all! Turbocharge your WordPress site and conquer those Core Web Vital scores with the theme built for speed. <a href=\"https:\/\/www.mediavine.com\/products\/trellis\/\" target=\"_blank\" rel=\"noreferrer noopener\">Learn more<\/a> or <a href=\"https:\/\/marketplace.mediavine.com\/trellis\" target=\"_blank\" rel=\"noreferrer noopener\">get Trellis now<\/a>!<\/em><\/p>\n\n\n\n<p>The much-anticipated (or at least much-talked-about) <a href=\"https:\/\/www.mediavine.com\/google-page-experience-update-delayed\/\">Google Page Experience<\/a> algorithm is officially in effect as of Wednesday, June 16. <\/p>\n\n\n\n<p>What do we know (and still not know) about the Page Experience algorithm change? Let&#8217;s break down all things Core Web Vitals.<\/p>\n\n\n\n\n\n<p>First, it&#8217;s finally live.<\/p>\n\n\n\n<p>According to Google Search Central, &#8220;the page experience update is <a href=\"https:\/\/mobile.twitter.com\/googlesearchc\/status\/1404886100087246848\" target=\"_blank\" rel=\"noreferrer noopener\">now slowly rolling out<\/a>,&#8221; and &#8220;Top Stories will begin using this new signal by Thursday.&#8221;<\/p>\n\n\n\n<p>As previously stated, &#8220;it will be complete by the end of August 2021.&#8221;<\/p>\n\n\n\n<p>Bottom line: This just went into effect and is a gradual process. No matter how much work you&#8217;ve put in to pass <a href=\"https:\/\/www.mediavine.com\/core-web-vitals-google-page-experience\/\">Core Web Vitals<\/a>, you may not see much of a change immediately. <\/p>\n\n\n\n<p>More likely, you won&#8217;t see significant changes until later this summer. <\/p>\n\n\n\n<p>The good thing is that your hard work isn&#8217;t for naught; It will eventually pay off, and you still have time before the update is entirely in effect.<\/p>\n\n\n\n<p>Another important thing to note is that right now, the update is only rolling out on mobile. <\/p>\n\n\n\n<p>If you check out Google Search Console, you may have a new <a href=\"https:\/\/www.mediavine.com\/core-web-vitals-google-page-experience\/\">Page Experience<\/a> page that will indicate how your website is faring on mobile.<\/p>\n\n\n\n<p>With that said, how much does desktop matter? <\/p>\n\n\n\n<p>While mobile is always the priority, you should absolutely optimize for both. <a href=\"https:\/\/www.youtube.com\/watch?v=HWm6WNkHs90\" target=\"_blank\" rel=\"noreferrer noopener\">During Google I\/O<\/a>, the company made it clear that it will be bringing Page Experience to desktop next.<\/p>\n\n\n\n<p>We&#8217;ve also learned, per that same I\/O discussion, that Google will be using what it calls RUM (Real User Metrics) or CruX (Chrome Reader User Experience).<\/p>\n\n\n\n<p>Translation: The <a href=\"https:\/\/help.mediavine.com\/en\/articles\/2754937-mediavine-pagespeed-resources\">pagespeed<\/a> scores reported by real users as they browse your site, found in PageSpeed Insights under origin or field summary, are the only numbers that matter.<\/p>\n\n\n\n<p>But let\u2019s get to the important stuff &#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1667\" height=\"1164\" src=\"https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02.jpg\" alt=\"search signals for page experience breakdown\" class=\"wp-image-30441\" srcset=\"https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02.jpg 1667w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-320x223.jpg 320w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-1024x715.jpg 1024w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-768x536.jpg 768w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-1536x1073.jpg 1536w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-1170x817.jpg 1170w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-375x262.jpg 375w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-800x559.jpg 800w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-530x370.jpg 530w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-328x229.jpg 328w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-268x187.jpg 268w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-335x234.jpg 335w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-347x242.jpg 347w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-520x363.jpg 520w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/cls-infographic-02-640x447.jpg 640w\" sizes=\"auto, (max-width: 1667px) 100vw, 1667px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-are-mediavine-publishers-doing-with-core-web-vitals\">How Are Mediavine Publishers Doing with Core Web Vitals?<\/h2>\n\n\n\n<p>If you\u2019re not familiar with Core Web Vitals, Google established three \u201cpagespeed\u201d metrics that publishers must hit in order to pass:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.mediavine.com\/largest-contentful-paint-optimizing-for-lcp\/\">Largest Contentful Paint<\/a> (LCP)<\/li><li>First Input Delay (FID)<\/li><li><a href=\"https:\/\/www.mediavine.com\/cls-solving-for-cumulative-layout-shift\/\">Cumulative Layout Shift<\/a> (CLS)<\/li><\/ul>\n\n\n\n<p>While running ads, CLS has been the hardest of the three for our publishers to pass \u2014 until Mediavine released the industry\u2019s first <a href=\"https:\/\/www.mediavine.com\/optimize-ads-for-cls\/\">Optimize Ads for CLS<\/a> in March.<\/p>\n\n\n\n<p>(ASIDE: If you\u2019re not running Optimize Ads for CLS, or haven&#8217;t turned on <a href=\"https:\/\/www.mediavine.com\/optimize-ads-for-mobile-pagespeed\/\">Optimize Ads for Page Speed<\/a> mode on mobile and desktop, <em>please do it now<\/em>.)<\/p>\n\n\n\n<p><strong>With the release of Optimize Ads for CLS, it\u2019s possible to pass all three of Google&#8217;s Core Web Vitals \u2014 and pass Page Experience \u2014 while running Mediavine ads.<\/strong><\/p>\n\n\n\n<p>We\u2019re excited to announce that more than 1,500 Mediavine publishers are passing Core Web Vitals on mobile \u2014 far more than any other ad management company.<\/p>\n\n\n\n<p>Once more for those in the back: 1,500 Mediavine publishers\u2019 mobile sites are passing LCP, FID and CLS on their origin per CruX, the same values that Google will use for Page Experience.<\/p>\n\n\n\n<p>The end of summer is looking bright for these publishers. But what if you&#8217;re not passing yet?<\/p>\n\n\n\n<p>We&#8217;ll say it again, there\u2019s still plenty of time. The Page Experience algorithm is now in effect, but you have until August until it\u2019s fully rolled out.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"2560\" src=\"https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-scaled.jpg\" alt=\"Page experience element breakdown\" class=\"wp-image-30440\" srcset=\"https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-scaled.jpg 1536w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-192x320.jpg 192w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-615x1024.jpg 615w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-768x1280.jpg 768w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-922x1536.jpg 922w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-1229x2048.jpg 1229w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-1170x1949.jpg 1170w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-375x625.jpg 375w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-800x1333.jpg 800w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-222x370.jpg 222w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-137x229.jpg 137w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-112x187.jpg 112w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-201x335.jpg 201w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-208x347.jpg 208w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-312x520.jpg 312w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-384x640.jpg 384w, https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/04\/CLS-checklist-01-461x768.jpg 461w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-but-how-do-i-pass-core-web-vitals-eric\">But How Do I Pass Core Web Vitals, Eric?<\/h2>\n\n\n\n<p>Since you asked, I&#8217;ll show you!<\/p>\n\n\n\n<p>Here&#8217;s a full explanation of how <a href=\"https:\/\/www.mediavine.com\/the-hollywood-gossip-passes-core-web-vitals\/\">The Hollywood Gossip is passing Core Web Vitals<\/a>. It&#8217;s not short, but if you&#8217;re up for the challenge, it shouldn&#8217;t be overwhelming. <\/p>\n\n\n\n<p>If you\u2019re feeling adventurous and are technically capable, the explanation linked above is a guide on how we got The Hollywood Gossip and Food Fanatic to pass on both Desktop and Mobile.<\/p>\n\n\n\n<p>These two sites, which <a href=\"https:\/\/www.mediavine.com\/what-sites-does-mediavine-own-how-do-they-help-yours\/\">Mediavine owns and operates<\/a>, are not running WordPress let alone our secret weapon, Trellis (more on that coming soon), but everything we did there is possible on WordPress, and as we said, both are passing on Desktop and Mobile with flying colors.<\/p>\n\n\n\n<p>Plus, as I said at the beginning of the post, the rollout is slow. So you&#8217;ve got a little time. But we recommend getting to work ASAP. <\/p>\n<\/section>\r\n\r\n\r\n\r\n<section class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\r\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-09aec4f2 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--40);padding-top:var(--wp--preset--spacing--50);padding-right:0;padding-bottom:var(--wp--preset--spacing--60)\">\r\n<p class=\"is-style-small is-style-small--3\">About the author<\/p>\r\n\r\n\r\n<div style=\"margin-top:var(--wp--preset--spacing--20);\" class=\"wp-block-post-author\"><div class=\"wp-block-post-author__avatar\"><img alt='' src='https:\/\/secure.gravatar.com\/avatar\/152dc08941c75895b80ffc4d0f79236a870658434ec66e25f227ffe962e70114?s=96&#038;d=blank&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/152dc08941c75895b80ffc4d0f79236a870658434ec66e25f227ffe962e70114?s=192&#038;d=blank&#038;r=g 2x' class='avatar avatar-96 photo' height='96' width='96' \/><\/div><div class=\"wp-block-post-author__content\"><p class=\"wp-block-post-author__name\"><a href=\"https:\/\/www.mediavine.com\/blog\/author\/eric\/\" target=\"_self\">Eric Hochberger<\/a><\/p><p class=\"wp-block-post-author__bio\"><\/p><\/div><\/div><\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-7c04bf6b wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\r\n<p class=\"is-style-small is-style-small--4\">Share this page<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-outermost-social-sharing has-normal-icon-size has-icon-color is-style-logos-only is-content-justification-left is-layout-flex wp-container-outermost-social-sharing-is-layout-9d3a6402 wp-block-social-sharing-is-layout-flex\" 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style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:0;padding-top:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--50);--tribe-animation-speed:0.6s;--tribe-animation-offset:50px;--tribe-animation-delay:0s;--tribe-animation-easing:var(--easing--ease-out-sine)\">\r\n<h2 class=\"wp-block-heading is-style-small is-style-small--5\" id=\"h-related-posts\" style=\"margin-top:0;margin-bottom:var(--wp--preset--spacing--40)\">Related Posts<\/h2>\r\n\r\n\r\n<div style=\"margin-bottom:0;\" class=\"b-related-posts b-related-posts--layout-grid  wp-block-tribe-related-posts\">\n\t\t\t\t\t<article class=\"c-post-card c-post-card__layout-vertical\">\n\t<div class=\"c-post-card__inner\">\n\t\t\t\t\t<div class=\"c-post-card__image aspect-ratio-cover aspect-ratio-3-2\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"665\" src=\"https:\/\/www.mediavine.com\/wp-content\/uploads\/2021\/11\/Inview-Featured-Image-1024x665.jpg\" 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An SEO Dilemma<\/h3>\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"c-post-card__metadata-readtime\">8 minutes<\/p>\n\t\t\t\t\t\t\t\t<p class=\"c-post-card__metadata\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"c-post-card__metadata-author t-body-small\">Eric Hochberger<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"c-post-card__metadata-separator t-body-small\">\u2022<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"c-post-card__metadata-date t-body-small\">Jul 13, 2021<\/span>\n\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<p class=\"c-post-card__excerpt\">Back to Blog \u2022 If you&#8217;re a new blogger, bookmark this and come back in a few years. But if you&#8217;ve been blogging for awhile, you may have already asked yourself this SEO question: Should you delete content that&#8217;s old and\/or not doing a lot for you? Looking for a quick answer? Sorry. We&#8217;re going&#8230;<\/p>\n\t\t\t<\/div>\n\t<a href=\"https:\/\/www.mediavine.com\/blog\/should-you-delete-content-or-just-stop-linking\/\" class=\"c-post-card__link-overlay\" aria-label=\"Read more about Should You Delete Content or Just Stop Linking? An SEO Dilemma\"><\/a>\n<\/article>\n\t<\/div>\n<\/aside>\r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>Back to Blog \u2022 Updated 8\/30\/2021 &#8211; The Trellis Open Beta is now available to all! Turbocharge your WordPress site and conquer those Core Web Vital scores with the theme built for speed. Learn more or get Trellis now! The much-anticipated (or at least much-talked-about) Google Page Experience algorithm is officially in effect as of&#8230;<\/p>\n","protected":false},"author":5,"featured_media":31700,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":"","footnotes":""},"categories":[94,17],"tags":[],"audience_post":[],"class_list":["post-31671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pagespeed","category-seo"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mediavine Core Web Vitals Update: What You Need to Know - Mediavine<\/title>\n<meta name=\"description\" content=\"The Google Page Experience algorithm update has begun rolling out on mobile. 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