--- title: "Core Web Vitals Optimization Service & Consulting | PageSpeed Matters" description: "Done-for-you Core Web Vitals optimization service and consulting. We fix LCP, INP, and CLS with real performance engineering and CrUX field data." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Service", "name": "Core Web Vitals Optimization", "description": "We optimize Core Web Vitals at every layer , from server response and rendering pipeline to JavaScript execution and layout stability. No generic PageSpeed advice. Real performance engineering backed by Chrome UX Report field data.", "provider": { "@type": "Organization", "name": "PageSpeed Matters", "url": "https://www.pagespeedmatters.com" } }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.pagespeedmatters.com/" }, { "@type": "ListItem", "position": 2, "name": "Services", "item": "https://www.pagespeedmatters.com/services" }, { "@type": "ListItem", "position": 3, "name": "Core Web Vitals Optimization" } ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How long until improvements show in Google Search Console?", "acceptedAnswer": { "@type": "Answer", "text": "CrUX data uses a 28-day rolling window at the 75th percentile, so improvements typically take 4–6 weeks to fully reflect in Search Console. We monitor this window and make adjustments until all metrics show green." } }, { "@type": "Question", "name": "Can you guarantee passing Core Web Vitals?", "acceptedAnswer": { "@type": "Answer", "text": "We have a 100% success rate getting sites to pass CWV when clients implement our recommendations. We work iteratively , monitoring CrUX field data and making adjustments until all three metrics pass Google's 28-day rolling window." } }, { "@type": "Question", "name": "What if only some pages are failing?", "acceptedAnswer": { "@type": "Answer", "text": "CWV is assessed at the page-group level (similar page types are grouped together). We identify which page types fail, prioritize by traffic volume and business impact, and fix them systematically. Often fixing one page template fixes hundreds of URLs." } }, { "@type": "Question", "name": "Do you work with all platforms?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. We optimize Core Web Vitals on Shopify, WordPress, WooCommerce, Magento, Webflow, Squarespace, Wix, Drupal, BigCommerce, and custom-built sites. The CWV optimization principles apply universally , the implementation details vary by platform." } }, { "@type": "Question", "name": "Will CWV optimization affect my site's functionality?", "acceptedAnswer": { "@type": "Answer", "text": "No. We optimize how fast things load and respond , not what they do. All functionality, design, and features remain identical. Changes are tested on staging before deployment." } }, { "@type": "Question", "name": "Do you monitor CWV after optimization?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Every engagement includes 30 days of post-launch monitoring. We track CrUX field data, watch for regressions from content updates or plugin changes, and make adjustments as needed. Ongoing monitoring plans are available for long-term protection." } }, { "@type": "Question", "name": "Do you offer Core Web Vitals consulting?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. If your team wants a diagnosis and a prioritized plan to hand to your own developers, we provide Core Web Vitals consulting with a metric-by-metric report and implementation guidance." } }, { "@type": "Question", "name": "Do you provide a Core Web Vitals audit?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Every engagement starts with a Core Web Vitals audit covering lab scores, real-user field data, and the specific cause of each failing metric." } } ] } ] --- [![PageSpeed Matters](/assets/logo-DtyG_mQE.png)](/) - [Benefits](/why-speed-matters) - [Services](/services) - [ROI Calculator](/roi) - [Pricing](/pricing) - [Proof](/proof) - [Resources](/resources) - [About](/about) [Speed Audit](/contact) [Let's Talk](/contact) [![PageSpeed Matters](/assets/logo-DtyG_mQE.png)](/) [Benefits](/why-speed-matters)[Services](/services)[ROI Calculator](/roi)[Pricing](/pricing)[Proof](/proof)[Resources](/resources)[About](/about) Popular Services [ Core Web Vitals Optimization ](/services/core-web-vitals-optimization)[ ![WordPress Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eWordPress%3c/title%3e%3cpath%20d='M21.469%206.825c.84%201.537%201.318%203.3%201.318%205.175%200%203.979-2.156%207.456-5.363%209.325l3.295-9.527c.615-1.54.82-2.771.82-3.864%200-.405-.026-.78-.07-1.11m-7.981.105c.647-.03%201.232-.105%201.232-.105.582-.075.514-.93-.067-.899%200%200-1.755.135-2.88.135-1.064%200-2.85-.15-2.85-.15-.585-.03-.661.855-.075.885%200%200%20.54.061%201.125.09l1.68%204.605-2.37%207.08L5.354%206.9c.649-.03%201.234-.1%201.234-.1.585-.075.516-.93-.065-.896%200%200-1.746.138-2.874.138-.2%200-.438-.008-.69-.015C4.911%203.15%208.235%201.215%2012%201.215c2.809%200%205.365%201.072%207.286%202.833-.046-.003-.091-.009-.141-.009-1.06%200-1.812.923-1.812%201.914%200%20.89.513%201.643%201.06%202.531.411.72.89%201.643.89%202.977%200%20.915-.354%201.994-.821%203.479l-1.075%203.585-3.9-11.61.001.014zM12%2022.784c-1.059%200-2.081-.153-3.048-.437l3.237-9.406%203.315%209.087c.024.053.05.101.078.149-1.12.393-2.325.609-3.582.609M1.211%2012c0-1.564.336-3.05.935-4.39L7.29%2021.709C3.694%2019.96%201.212%2016.271%201.211%2012M12%200C5.385%200%200%205.385%200%2012s5.385%2012%2012%2012%2012-5.385%2012-12S18.615%200%2012%200'/%3e%3c/svg%3e) WordPress Speed Optimization ](/services/wordpress-speed-optimization)[ ![WooCommerce Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eWoo%3c/title%3e%3cpath%20d='M2.227%204.857A2.228%202.228%200%20000%207.094v7.457c0%201.236%201.001%202.237%202.237%202.237h5.36l2.39%202.076-.462-2.076h4.238a2.228%202.228%200%20002.237-2.237V7.094a2.228%202.228%200%2000-2.237-2.237H2.227zm4.636%201.885h.053c.115.002.22.04.316.117a.46.46%200%2001.183.336c.014.098-.003.177-.058.283-.23.422-.418%201.131-.57%202.12-.147.957-.202%201.706-.166%202.24a.694.694%200%2001-.07.387.377.377%200%2001-.31.213c-.153.01-.314-.06-.466-.22-.548-.558-.982-1.393-1.3-2.504-.382.752-.664%201.316-.846%201.692-.347.665-.643%201.005-.888%201.022-.16.012-.295-.122-.412-.403-.302-.771-.624-2.258-.97-4.464a.526.526%200%2001.096-.393c.083-.113.205-.168.37-.18.3-.024.47.114.511.42.183%201.23.384%202.272.596%203.124l1.286-2.453c.117-.224.265-.34.443-.352.258-.018.42.147.483.495.147.78.333%201.445.558%202.01.152-1.493.412-2.57.779-3.234a.452.452%200%2001.386-.26zm2.288.637c.099%200%20.205.01.318.035.411.088.728.313.938.683.19.318.286.699.286%201.156%200%20.607-.154%201.157-.46%201.663-.355.587-.813.884-1.383.884a1.557%201.557%200%2001-.318-.039.763.763%200%2001-.141-.05%201.351%201.351%200%2001-.799-.63%202.277%202.277%200%2001-.28-1.166c0-.605.151-1.158.457-1.658.358-.59.818-.88%201.382-.878zm3.687%200c.099%200%20.205.01.318.035.418.088.728.313.938.683.19.318.283.699.283%201.156%200%20.607-.153%201.157-.459%201.663-.354.587-.812.884-1.382.884a1.557%201.557%200%2001-.318-.039%201.352%201.352%200%2001-.94-.68%202.277%202.277%200%2001-.283-1.166c0-.605.154-1.158.46-1.658.358-.59.818-.88%201.383-.878zm-3.504.636a.636.636%200%2000-.534.373%201.908%201.908%200%2000-.354%201.13c0%20.17.035.354.106.536.087.23.207.35.347.38.147.029.306-.034.478-.187.218-.195.363-.483.446-.87.028-.137.041-.283.041-.436%200-.171-.035-.354-.106-.535-.088-.23-.206-.35-.347-.38a.436.436%200%2000-.077-.011zm3.688%200a.636.636%200%2000-.535.373%201.908%201.908%200%2000-.354%201.13c0%20.17.036.354.107.536.086.23.206.35.347.38.147.029.306-.034.478-.187.217-.195.362-.483.445-.87.024-.137.041-.283.041-.436%200-.171-.035-.354-.106-.535-.088-.23-.206-.35-.347-.38a.436.436%200%2000-.076-.011z'/%3e%3c/svg%3e) WooCommerce Speed Optimization ](/services/woocommerce-speed-optimization)[ ![Shopify Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eShopify%3c/title%3e%3cpath%20d='M15.337%2023.979l7.216-1.561s-2.604-17.613-2.625-17.73c-.018-.116-.114-.192-.211-.192s-1.929-.136-1.929-.136-1.275-1.274-1.439-1.411c-.045-.037-.075-.057-.121-.074l-.914%2021.104h.023zM11.71%2011.305s-.81-.424-1.774-.424c-1.447%200-1.504.906-1.504%201.141%200%201.232%203.24%201.715%203.24%204.629%200%202.295-1.44%203.76-3.406%203.76-2.354%200-3.54-1.465-3.54-1.465l.646-2.086s1.245%201.066%202.28%201.066c.675%200%20.975-.545.975-.932%200-1.619-2.654-1.694-2.654-4.359-.034-2.237%201.571-4.416%204.827-4.416%201.257%200%201.875.361%201.875.361l-.945%202.715-.02.01zM11.17.83c.136%200%20.271.038.405.135-.984.465-2.064%201.639-2.508%203.992-.656.213-1.293.405-1.889.578C7.697%203.75%208.951.84%2011.17.84V.83zm1.235%202.949v.135c-.754.232-1.583.484-2.394.736.466-1.777%201.333-2.645%202.085-2.971.193.501.309%201.176.309%202.1zm.539-2.234c.694.074%201.141.867%201.429%201.755-.349.114-.735.231-1.158.366v-.252c0-.752-.096-1.371-.271-1.871v.002zm2.992%201.289c-.02%200-.06.021-.078.021s-.289.075-.714.21c-.423-1.233-1.176-2.37-2.508-2.37h-.115C12.135.209%2011.669%200%2011.265%200%208.159%200%206.675%203.877%206.21%205.846c-1.194.365-2.063.636-2.16.674-.675.213-.694.232-.772.87-.075.462-1.83%2014.063-1.83%2014.063L15.009%2024l.927-21.166z'/%3e%3c/svg%3e) Shopify Speed Optimization ](/services/shopify-speed-optimization)[ ![Wix Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eWix%3c/title%3e%3cpath%20d='m0%207.354%202.113%209.292h.801a1.54%201.54%200%200%200%201.506-1.218l1.351-6.34a.171.171%200%200%201%20.167-.137c.08%200%20.15.058.167.137l1.352%206.34a1.54%201.54%200%200%200%201.506%201.218h.805l2.113-9.292h-.565c-.62%200-1.159.43-1.296%201.035l-1.26%205.545-1.106-5.176a1.76%201.76%200%200%200-2.19-1.324c-.639.176-1.113.716-1.251%201.365l-1.094%205.127-1.26-5.537A1.33%201.33%200%200%200%20.563%207.354H0zm13.992%200a.951.951%200%200%200-.951.95v8.342h.635a.952.952%200%200%200%20.951-.95V7.353h-.635zm1.778%200%203.158%204.66-3.14%204.632h1.325c.368%200%20.712-.181.918-.486l1.756-2.59a.12.12%200%200%201%20.197%200l1.754%202.59c.206.305.55.486.918.486h1.326l-3.14-4.632L24%207.354h-1.326c-.368%200-.712.181-.918.486l-1.772%202.617a.12.12%200%200%201-.197%200L18.014%207.84a1.108%201.108%200%200%200-.918-.486H15.77z'/%3e%3c/svg%3e) Wix Speed Optimization ](/services/wix-speed-optimization)[ ![BigCommerce Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eBigCommerce%3c/title%3e%3cpath%20d='M12.645%2013.663h3.027c.861%200%201.406-.474%201.406-1.235%200-.717-.545-1.234-1.406-1.234h-3.027c-.1%200-.187.086-.187.172v2.125c.015.1.086.172.187.172zm0%204.896h3.128c.961%200%201.535-.488%201.535-1.35%200-.746-.545-1.35-1.535-1.35h-3.128c-.1%200-.187.087-.187.173v2.34c.015.115.086.187.187.187zM23.72.053l-8.953%208.93h1.464c2.281%200%203.63%201.435%203.63%203%200%201.235-.832%202.14-1.722%202.541-.143.058-.143.259.014.316%201.033.402%201.765%201.48%201.765%202.742%200%201.78-1.19%203.202-3.5%203.202h-6.342c-.1%200-.187-.086-.187-.172V13.85L.062%2023.64c-.13.13-.043.359.143.359h23.631a.16.16%200%200%200%20.158-.158V.182c.043-.158-.158-.244-.273-.13z'/%3e%3c/svg%3e) BigCommerce Speed Optimization ](/services/bigcommerce-speed-optimization)[ ![Webflow Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eWebflow%3c/title%3e%3cpath%20d='m24%204.515-7.658%2014.97H9.149l3.205-6.204h-.144C9.566%2016.713%205.621%2018.973%200%2019.485v-6.118s3.596-.213%205.71-2.435H0V4.515h6.417v5.278l.144-.001%202.622-5.277h4.854v5.244h.144l2.72-5.244H24Z'/%3e%3c/svg%3e) Webflow Speed Optimization ](/services/webflow-speed-optimization)[ ![Squarespace Speed Optimization](data:image/svg+xml,%3csvg%20role='img'%20viewBox='0%200%2024%2024'%20xmlns='http://www.w3.org/2000/svg'%3e%3ctitle%3eSquarespace%3c/title%3e%3cpath%20d='M22.655%208.719c-1.802-1.801-4.726-1.801-6.564%200l-7.351%207.35c-.45.45-.45%201.2%200%201.65.45.449%201.2.449%201.65%200l7.351-7.351c.899-.899%202.362-.899%203.264%200%20.9.9.9%202.364%200%203.264l-7.239%207.239c.9.899%202.362.899%203.263%200l5.589-5.589c1.836-1.838%201.836-4.763.037-6.563zm-2.475%202.437c-.451-.45-1.201-.45-1.65%200l-7.354%207.389c-.9.899-2.361.899-3.262%200-.45-.45-1.2-.45-1.65%200s-.45%201.2%200%201.649c1.801%201.801%204.726%201.801%206.564%200l7.351-7.35c.449-.487.449-1.239.001-1.688zm-2.439-7.35c-1.801-1.801-4.726-1.801-6.564%200l-7.351%207.351c-.45.449-.45%201.199%200%201.649s1.2.45%201.65%200l7.395-7.351c.9-.899%202.371-.899%203.27%200%20.451.45%201.201.45%201.65%200%20.421-.487.421-1.199-.029-1.649h-.021zm-2.475%202.437c-.45-.45-1.2-.45-1.65%200l-7.351%207.389c-.899.9-2.363.9-3.265%200-.9-.899-.9-2.363%200-3.264l7.239-7.239c-.9-.9-2.362-.9-3.263%200L1.35%208.719c-1.8%201.8-1.8%204.725%200%206.563%201.801%201.801%204.725%201.801%206.564%200l7.35-7.351c.451-.488.451-1.238%200-1.688h.002z'/%3e%3c/svg%3e) Squarespace Speed Optimization ](/services/squarespace-speed-optimization) [Book a Call](/contact) [Home](/)[Services](/services)Core Web Vitals Optimization Pass Core Web Vitals on Any Platform # Expert Core Web Vitals Optimization Services Real-user monitoring and a clear list of fixes to pass LCP, INP, and CLS, engineered for sites of all sizes that need to rank higher and convert more visitors. Google's Core Web Vitals, Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS), are confirmed ranking factors, yet 40% of sites still fail at least one metric in the field. The gap between lab scores and real-user data trips up most optimization efforts. Our Core Web Vitals optimization services target CrUX field data directly, monitor Google's 28-day rolling window, and make iterative adjustments until all three metrics consistently pass. We optimize against the Chrome User Experience Report (CrUX), the same real-user field data Google uses for the page experience signals in ranking. A fast server response is the foundation for passing LCP, so we also optimize your TTFB as part of the engagement. If you also want to improve your PageSpeed score across Lighthouse and GTmetrix, we cover that too. [Fix My Core Web Vitals](/contact) 100% CWV Pass Rate FREE CORE WEB VITALS AUDIT Step 1 of 2 ### How can we help? (select all that apply) My website feels slowSlow speed is hurting our rankings or conversionsWe want to pass Core Web Vitals Website URL Next Trusted by leading brands Platterful Pure Parima Her Fantasy Box Sana Benefits Yakka Finance Therapevo NSAR Whistleblower Partners Platterful Pure Parima Her Fantasy Box Sana Benefits Yakka Finance Therapevo NSAR Whistleblower Partners Our Expertise ## Work With a Core Web Vitals Optimization Expert Passing Core Web Vitals is a code problem, not a plugin you install. Every engagement is run by a Core Web Vitals optimization expert who profiles your site with both lab tools and real-user CrUX data, isolates exactly what is failing each metric, and fixes it at the source. Teams come to us for Core Web Vitals consulting when a generic speed plugin has stalled and they need the assessment to actually pass. You get a metric-by-metric report, before and after field data, and documentation of every change, not a black box. We have a 100% Core Web Vitals pass rate when clients implement our recommendations. 1,500+ Optimization projects 100% Core Web Vitals pass rate 90+ PageSpeed scores ![Matt Suffoletto, Founder & CEO of PageSpeed Matters and Core Web Vitals optimization expert](/assets/matt-CEkmAuBN.jpg) Matt Suffoletto Founder & CEO, PageSpeed Matters Core Web Vitals Optimization Expert Who This Is For ## Is This Right for You? ### SEO-Focused Teams Teams that need passing CWV to maintain or improve search rankings and stay ahead of algorithm updates. In-house SEO SEO agencies Content marketing Digital marketing ### E-Commerce Stores Online stores where CWV impacts product visibility in Google Shopping, organic search, and conversion rates. Shopify WooCommerce Magento BigCommerce ### Enterprise Websites Enterprise sites where CWV assessment affects entire domains and brand perception across markets. Corporate sites SaaS marketing Multi-market sites B2B platforms ### Publishers & Media Ad-heavy publisher sites where CWV is critical for Google Discover visibility and ad revenue optimization. News sites Blog networks Magazine sites Ad-heavy publishers Common Problems ## Why Are Your Core Web Vitals Failing? We identify the exact templates and assets dragging down each metric so the right fixes get the budget. [See the full method in our Core Web Vitals guide](/resources/guides/complete-core-web-vitals-guide). ### Failing LCP (Largest Contentful Paint) Your hero image, banner, or main content element takes over 2.5 seconds to render. Causes: unoptimized images, render-blocking CSS/JS, slow server response (TTFB), and font-display issues. [Guide: How to Improve LCP](/resources/guides/how-to-improve-lcp) ### Failing INP (Interaction to Next Paint) User interactions (clicks, taps, key presses) feel sluggish , taking over 200ms to respond visually. Causes: long JavaScript tasks, heavy event handlers, third-party script blocking, and main-thread congestion. [Guide: How to Improve INP](/resources/guides/how-to-improve-inp) ### Failing CLS (Cumulative Layout Shift) Page content jumps around unexpectedly as elements load. Causes: images without dimensions, dynamic ad/content injection, web font FOUT/FOIT, and late-loading components. [Guide: Core Web Vitals Optimization](/resources/guides/complete-core-web-vitals-guide) ### Lab vs. Field Data Mismatch Your PageSpeed Insights lab score looks green, but Google Search Console shows failing CWV. Real users on slower devices and connections experience your site differently than simulated tests. [Guide: Lab vs Field Data & Performance Audits](/resources/guides/ultimate-measurement-tools-data-guide) Our Solutions ## How We Fix Your Core Web Vitals We target each metric individually with real-user data. We fix the LCP render path, break up the JavaScript that hurts INP, and eliminate the layout shifts behind CLS, then monitor CrUX until all three pass. [See the full method in our Core Web Vitals guide](/resources/guides/complete-core-web-vitals-guide). ### LCP Engineering We optimize the entire LCP render path , server response time (TTFB), resource discovery, Critical CSS inlining, hero image priority hints (fetchpriority), font-display optimization, and render-blocking resource elimination. We target the actual LCP element on each page type, not generic recommendations. ### INP & JavaScript Optimization We profile every interaction handler, break long tasks into smaller chunks using yield-to-main patterns, defer non-critical JavaScript, optimize event listeners, and reduce main-thread blocking from third-party scripts. Result: all interactions respond in under 200ms. ### CLS Elimination We add explicit dimensions to all media, implement aspect-ratio CSS, reserve space for dynamic content and ads, optimize font loading with font-display:optional or preload strategies, and fix late-loading component shifts. Every layout shift source is identified and eliminated. ### CrUX Field Data Monitoring We set up Real User Monitoring (RUM) to track actual visitor experiences, correlate with Chrome UX Report data, and make iterative adjustments over 2-4 weeks until Google's 28-day rolling p75 window shows green for all three metrics in real-user Chrome field data, with lab tests used only to confirm the fix. ### Third-Party Script Management Analytics, chat widgets, tracking pixels, and ad scripts are the #1 hidden cause of CWV failures. We audit every third-party script, implement facade patterns, defer non-critical loads, and set up performance budgets to prevent regression. ### Performance Safeguarding After achieving passing CWV, we provide 30 days of monitoring to catch regressions from content updates, plugin changes, or new feature deployments. You receive a Speed Budget Document with thresholds for JS size, image weight, and third-party script limits. The Data ## What Passing Core Web Vitals Does for You When your site passes Core Web Vitals, the payoff shows up in rankings and revenue. Sites that pass earn more organic visibility, hold visitors who would have bounced on a slow load, and convert more of the traffic they already have. In [our study of 37,000 ranking pages](/resources/data-studies/speed-vs-google-rankings), sites that pass Core Web Vitals hold 47.6% of page-one results. The research is consistent across every study: 53% of mobile visitors leave if a page takes longer than 3 seconds to load [Source: Google](https://www.thinkwithgoogle.com/marketing-strategies/app-and-mobile/mobile-page-speed-new-industry-benchmarks/) ~7% conversion loss from a 1-second delay [Source: Portent](https://www.portent.com/blog/analytics/research-site-speed-hurting-everyones-revenue.htm) 70% more organic traffic for sites passing Core Web Vitals [Source: Google](https://web.dev/articles/vitals/) ~1% more conversions per 100ms faster load time [Source: Deloitte/Google](https://www2.deloitte.com/ie/en/pages/consulting/articles/milliseconds-make-millions.html) Proof ## Our Results Real sites, real Core Web Vitals improvements, real ranking and revenue impact. [![Therapevo](/assets/therapevo-BaKBbgzb.webp) WordPress ### Therapevo Went from failing to passing all Core Web Vitals. PageSpeed score from 32 to 96. View Case Study](/proof/case-studies/therapevo) [![Platterful](/assets/platterful-CbVyuYDq.jpg) Shopify ### Platterful 80% speed improvement, 20% conversion lift. Mobile score from 50s to 90+. View Case Study](/proof/case-studies/platterful) [![NSAR](/assets/nsar-CA3Du5tg.jpg) WooCommerce ### NSAR Passed all CWV metrics with comprehensive WordPress + WooCommerce optimization. View Case Study](/proof/case-studies/nsarco) [See All Case Studies](/proof/case-studies) ROI Calculator ## How Much Revenue Is Your Slow Site Costing You? Enter your URL, in 30 seconds, you'll see exactly how much revenue slow speed is costing you. 1 Analyze Site 2 Refine Estimate 3 Your Results Enter your website URL https:// Analyze My Site 10,000+ sites analyzed · No login required · See your losses in 30 seconds 7% conversion loss per 1-second delay Google 53% of visitors leave after 3 seconds Think with Google $2.6B in annual revenue lost to slow sites Akamai 70% of consumers say speed affects purchases Unbounce 2x higher bounce rate at 5s vs 1s load Google 79% of shoppers won't return to slow sites Akamai 100ms faster = 1% more conversions Deloitte 10,000+ sites analyzed by our tool PageSpeed Matters 0.05s to form a first impression online Google Research 40% abandon sites that take 3s+ to load Portent 7% conversion loss per 1-second delay Google 53% of visitors leave after 3 seconds Think with Google $2.6B in annual revenue lost to slow sites Akamai 70% of consumers say speed affects purchases Unbounce 2x higher bounce rate at 5s vs 1s load Google 79% of shoppers won't return to slow sites Akamai 100ms faster = 1% more conversions Deloitte 10,000+ sites analyzed by our tool PageSpeed Matters 0.05s to form a first impression online Google Research 40% abandon sites that take 3s+ to load Portent Our Process ## How It Works 01 ### Full CWV Assessment We analyze LCP, INP, and CLS across all page types using both lab tools (Lighthouse, WebPageTest) and field data (CrUX, Search Console). Every failing metric is traced to its root cause , not surface-level symptoms. 02 ### Root Cause Profiling Each failing metric gets a dedicated root cause analysis. We profile JavaScript execution, trace render waterfalls, identify layout shift sources, and measure real-user impact. You receive a ranked report showing exactly what's failing and why. 03 ### Optimization Sprint 1–2 Weeks Over 1–2 weeks, we implement all fixes on staging: Critical CSS generation, image optimization, JavaScript deferral, layout shift prevention, third-party script management, and server-side improvements. Zero risk to your live site. 04 ### CrUX Field Verification 2–4 Weeks We monitor real-user field data (CrUX) over 2–4 weeks, making iterative adjustments until LCP, INP, and CLS consistently pass in Google's 28-day rolling p75 window , the actual data Google uses for ranking. 05 ### Deployment & Documentation Once validated in the field, all changes are deployed to production. You receive complete documentation of every change, a speed budget for future development, and a before/after performance report with projected SEO and revenue impact. Deliverables ## What You'll Receive Every engagement includes comprehensive documentation and reporting. ### Before/After CWV Report Lab and field data comparison for LCP, INP, and CLS across all page types with waterfall analysis. ### Root Cause Analysis Report Each failing metric traced to its specific root cause with technical explanation and fix priority. ### Third-Party Script Audit Every external script identified, measured for CWV impact, and categorized with defer/async/remove recommendations. ### Competitor CWV Benchmark How your site's Core Web Vitals compare against 3–5 direct competitors with specific metric comparisons. ### CrUX Tracking Report 28-day rolling window tracking showing progression from failing to passing with field data evidence. ### RUM Dashboard Setup Real User Monitoring configured to track LCP, INP, and CLS continuously with alerting for regressions. ### Revenue Impact Projection Custom report mapping CWV improvements to projected conversion and revenue gains using your actual traffic data. ### SEO Impact Forecast Projected ranking improvements based on CWV fixes, with estimated organic traffic gains from your Search Console data. ### Google Ads / CPC Savings Report Analysis of how improved page experience lowers your Quality Score penalty and reduces cost-per-click. ### 30-Day Post-Launch Monitoring 30 days of monitoring after deployment to ensure CWV gains hold through content updates and platform changes. ### Speed Budget Document Performance budgets for JS size, image weight, third-party scripts, and CWV thresholds so your team doesn't regress. ### Executive Summary (1-Pager) Non-technical summary showing what was done, what improved, and what it means in dollars for stakeholders. ### Maintenance Guidelines Step-by-step guide for maintaining passing CWV as you add content, features, and third-party integrations. Pricing ## Transparent Speed Optimization Pricing Get an instant estimate based on your site profile. No hidden fees, no lock-in contracts, just measurable speed improvements and revenue gains. Step 1 of 8 Takes ~2 minutes GoalPlatformTrafficCustom Code3rd-PartySizeYour InfoYour Price ### What's your main goal? Pick the outcome that matters most to you. Improve Load Times I want my website to load faster Improve Load Times & Pass CWV Faster site + pass Google's Core Web Vitals Not Sure I just want a faster website ← BackNext Entry Point ## Core Web Vitals Audit Most engagements start with a paid Core Web Vitals audit. We pull your 28-day CrUX field data, profile every failing template in the lab, and ship a prioritized list of fixes mapped to [LCP](/resources/glossary/largest-contentful-paint), [INP](/resources/glossary/interaction-to-next-paint), and [CLS](/resources/glossary/cumulative-layout-shift). You leave the audit with a clear scope, a fixed price, and the option to have us implement everything. [Request a Core Web Vitals Audit](/contact) Deep Dives ## Core Web Vitals Guides Go deeper with our free expert guides on each Core Web Vital metric. [ ### The Complete Guide to Core Web Vitals ](/resources/guides/complete-core-web-vitals-guide)[ ### PageSpeed Insights vs GTmetrix vs WebPageTest vs Lighthouse: Which Tool to Use ](/resources/guides/pagespeed-insights-vs-gtmetrix-vs-webpagetest-vs-lighthouse-comparison)[ ### The Ultimate Guide to E-Commerce Conversion Speed ](/resources/guides)[ ### The Ultimate Guide to Web Hosting, CDN & Infrastructure for Speed ](/resources/guides/ultimate-infrastructure-hosting-guide) FAQ ## Frequently Asked Questions ### ### How long until improvements show in Google Search Console? CrUX data uses a 28-day rolling window at the 75th percentile, so improvements typically take 4–6 weeks to fully reflect in Search Console. We monitor this window and make adjustments until all metrics show green. ### ### Can you guarantee passing Core Web Vitals? We have a 100% success rate getting sites to pass CWV when clients implement our recommendations. We work iteratively , monitoring CrUX field data and making adjustments until all three metrics pass Google's 28-day rolling window. ### ### What if only some pages are failing? CWV is assessed at the page-group level (similar page types are grouped together). We identify which page types fail, prioritize by traffic volume and business impact, and fix them systematically. Often fixing one page template fixes hundreds of URLs. ### ### Do you work with all platforms? Yes. We optimize Core Web Vitals on Shopify, WordPress, WooCommerce, Magento, Webflow, Squarespace, Wix, Drupal, BigCommerce, and custom-built sites. The CWV optimization principles apply universally , the implementation details vary by platform. ### ### Will CWV optimization affect my site's functionality? No. We optimize how fast things load and respond , not what they do. All functionality, design, and features remain identical. Changes are tested on staging before deployment. ### ### Do you monitor CWV after optimization? Yes. Every engagement includes 30 days of post-launch monitoring. We track CrUX field data, watch for regressions from content updates or plugin changes, and make adjustments as needed. Ongoing monitoring plans are available for long-term protection. ### ### Do you offer Core Web Vitals consulting? Yes. If your team wants a diagnosis and a prioritized plan to hand to your own developers, we provide Core Web Vitals consulting with a metric-by-metric report and implementation guidance. ### ### Do you provide a Core Web Vitals audit? Yes. Every engagement starts with a Core Web Vitals audit covering lab scores, real-user field data, and the specific cause of each failing metric. Testimonials ## What Clients Say "Matt and the PageSpeed Matters team successfully helped us improve our page speed load times and get our core web vitals into the green for all pages. Thank you!" Core Web Vitals into the green on all pages Caleb Simonyi-Gindele Owner, Therapevo "Platterful saw major improvements in site speed after working with Matt and the PageSpeed Matters team. They took our mobile score from the 50s to over 90 while keeping SEO intact. They were responsive, helpful, and continued to support us even after the project ended. Highly recommend." Mobile PageSpeed 50s to 90+ Lowell Co-Founder, Platterful "Outstanding results! Matt and his team delivered measurable outcomes for our company, something larger firms only promised but never followed through on. Truly impressive work!" Passed Core Web Vitals on WooCommerce Cody Stehlik Team, NSAR [Read more client reviews](/proof/testimonials) ## Ready to Pass Core Web Vitals? Request a CWV audit and see exactly which metrics are failing and how we'll fix them. [Request An Audit](/contact) ![Speed performance gauge showing optimized score](/assets/speedometer-cta-6n4CDsP4.png) Sources [Google Search Central - Core Web Vitals ↗](https://developers.google.com/search/docs/appearance/core-web-vitals)[Chrome UX Report ↗](https://developer.chrome.com/docs/crux)[Google Mobile Speed Benchmarks ↗](https://www.thinkwithgoogle.com/marketing-strategies/app-and-mobile/mobile-page-speed-new-industry-benchmarks/)[Portent Site Speed Study ↗](https://www.portent.com/blog/analytics/research-site-speed-hurting-everyones-revenue.htm) [![PageSpeed Matters](/assets/logo-DtyG_mQE.png)](/) We optimize website load times to rank higher, decrease advertising costs, and convert more often. 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