Performance Report for https://www.mayoclinic.org/healthy-lifestyle

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

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A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows. Learn how to avoid an excessive DOM size.

["span.cmp-title__no-break > span.cmp-icon > svg > path","body.landing > form#mayoform"]

First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric.

"[]"

First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.

"[]"

Leverage the `font-display` CSS feature to ensure text is user-visible while webfonts are loading. Learn more about `font-display`.

"[{\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSans-Regular.woff2\", \"wastedMs\": 840.7189998626709}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerif-Bold.woff2\", \"wastedMs\": 358.48200035095215}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSans-Bold.woff2\", \"wastedMs\": 146.31999969482422}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerifDisplay-Bold.woff2\", \"wastedMs\": 539.3540005683899}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerifDisplay-Regular.woff2\", \"wastedMs\": 598.6409993171692}]"

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

"[{\"url\": \"https:\/\/www.mayoclinic.org\/healthy-lifestyle\", \"responseTime\": 421.495}]"

Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric

"[]"

This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element

"[{\"type\": \"table\", \"items\": [{\"node\": {\"lhId\": \"page-0-H1\", \"path\": \"1,HTML,1,BODY,1,FORM,11,DIV,2,DIV,2,DIV,0,DIV,0,H1\", \"type\": \"node\", \"snippet\": \"<h1>\", \"selector\": \"div#main > div.page-header > div.headers > h1\", \"nodeLabel\": \"Healthy Lifestyle\", \"boundingRect\": {\"top\": 94, \"left\": 10, \"right\": 280, \"width\": 270, \"bottom\": 134, \"height\": 40}}}], \"headings\": [{\"key\": \"node\", \"label\": \"Element\", \"valueType\": \"node\"}]}, {\"type\": \"table\", \"items\": [{\"phase\": \"TTFB\", \"timing\": 965.406, \"percent\": \"18%\"}, {\"phase\": \"Load Delay\", \"timing\": 0, \"percent\": \"0%\"}, {\"phase\": \"Load Time\", \"timing\": 0, \"percent\": \"0%\"}, {\"phase\": \"Render Delay\", \"timing\": 4348.204, \"percent\": \"82%\"}], \"headings\": [{\"key\": \"phase\", \"label\": \"Phase\", \"valueType\": \"text\"}, {\"key\": \"percent\", \"label\": \"% of LCP\", \"valueType\": \"text\"}, {\"key\": \"timing\", \"label\": \"Timing\", \"valueType\": \"ms\"}]}]"

Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers. Learn how to use modern JavaScript

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Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

"[{\"group\": \"scriptEvaluation\", \"duration\": 2899.800300000018, \"groupLabel\": \"Script Evaluation\"}, {\"group\": \"styleLayout\", \"duration\": 755.0442000000002, \"groupLabel\": \"Style & Layout\"}, {\"group\": \"other\", \"duration\": 699.6510000000063, \"groupLabel\": \"Other\"}, {\"group\": \"scriptParseCompile\", \"duration\": 132.58109999999996, \"groupLabel\": \"Script Parsing & Compilation\"}, {\"group\": \"parseHTML\", \"duration\": 48.11579999999996, \"groupLabel\": \"Parse HTML & CSS\"}, {\"group\": \"garbageCollection\", \"duration\": 42.86490000000001, \"groupLabel\": \"Garbage Collection\"}, {\"group\": \"paintCompositeRender\", \"duration\": 42.05009999999993, \"groupLabel\": \"Rendering\"}]"

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

[]

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn how to eliminate render-blocking resources.

"[{\"url\": \"https:\/\/www.mayoclinic.org\/bundles\/styles\/legacyAemHeader.css?v=F9F1F947D602CBEFC83CF8CA05358C06568D2C1E\", \"wastedMs\": 630, \"totalBytes\": 40712}, {\"url\": \"https:\/\/www.mayoclinic.org\/styles\/css\/gbs\/mobile.css\", \"wastedMs\": 158, \"totalBytes\": 6293}, {\"url\": \"https:\/\/www.mayoclinic.org\/bundles\/styles\/accessibility.css?v=7A281B0CAEFEE3E8063E4A6C48E5620E6D28F169\", \"wastedMs\": 158, \"totalBytes\": 8558}, {\"url\": \"https:\/\/www.mayoclinic.org\/static\/main.css?t=1713878320520\", \"wastedMs\": 315, \"totalBytes\": 15859}, {\"url\": \"https:\/\/www.mayoclinic.org\/-\/media\/web\/gbs\/shared\/css\/top-task-landing.css?version=2\", \"wastedMs\": 158, \"totalBytes\": 15165}, {\"url\": \"https:\/\/tagdelivery.mayoclinic.org\/dotorg\/prod\/utag.sync.js\", \"wastedMs\": 1020, \"totalBytes\": 636}, {\"url\": \"https:\/\/www.mayoclinic.org\/bundles\/scripts\/legacyHeader.js?v=222540AD14C5C2E7A548EE9A0D89C43794928958\", \"wastedMs\": 473, \"totalBytes\": 49888}, {\"url\": \"https:\/\/nexus.ensighten.com\/mayo_clinic\/clinicprod\/Bootstrap.js\", \"wastedMs\": 1695, \"totalBytes\": 72081}]"

Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric.

"[]"

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn how to minimize third-party impact.

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Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric.

[]

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

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Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

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Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

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Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

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A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.

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