Performance Report for https://www.mayoclinic.org/patient-visitor-guide/minnesota/concierge-services

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","div.main > div.full-width-container > div.row-container > article#main-content"]

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\": 580.7779998779297}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerif-Bold.woff2\", \"wastedMs\": 885.5529999732971}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSans-Bold.woff2\", \"wastedMs\": 646.6079993247986}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerifDisplay-Bold.woff2\", \"wastedMs\": 811.0300002098083}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerifDisplay-Regular.woff2\", \"wastedMs\": 880.8190007209778}]"

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\/patient-visitor-guide\/minnesota\/concierge-services\", \"responseTime\": 3284.746}]"

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-IMG\", \"path\": \"1,HTML,1,BODY,1,FORM,8,DIV,1,DIV,4,DIV,8,ARTICLE,5,DIV,0,IMG\", \"type\": \"node\", \"snippet\": \"<img src=\\\"\/-\/media\/kcms\/gbs\/patient-consumer\/images\/2020\/07\/23\/20\/04\/concierge-8col-\u2026\\\" alt=\\\"\\\">\", \"selector\": \"div.row-container > article#main-content > div.contentimg > img\", \"nodeLabel\": \"div.row-container > article#main-content > div.contentimg > img\", \"boundingRect\": {\"top\": 271, \"left\": 278, \"right\": 763, \"width\": 486, \"bottom\": 474, \"height\": 203}}}], \"headings\": [{\"key\": \"node\", \"label\": \"Element\", \"valueType\": \"node\"}]}, {\"type\": \"table\", \"items\": [{\"phase\": \"TTFB\", \"timing\": 3339.144, \"percent\": \"64%\"}, {\"phase\": \"Load Delay\", \"timing\": 0, \"percent\": \"0%\"}, {\"phase\": \"Load Time\", \"timing\": 791.6466192699404, \"percent\": \"15%\"}, {\"phase\": \"Render Delay\", \"timing\": 1057.02688073006, \"percent\": \"20%\"}], \"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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[{\"signal\": \"@babel\/plugin-transform-classes\", \"location\": {\"url\": \"https:\/\/solutions.invocacdn.com\/js\/invoca-latest.min.js\", \"line\": 24, \"type\": \"source-location\", \"column\": 378, \"urlProvider\": \"network\"}}]}, \"totalBytes\": 0, \"wastedBytes\": 79}]"

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\": 2577.513300000008, \"groupLabel\": \"Script Evaluation\"}, {\"group\": \"styleLayout\", \"duration\": 912.1515000000002, \"groupLabel\": \"Style & Layout\"}, {\"group\": \"other\", \"duration\": 647.3334000000117, \"groupLabel\": \"Other\"}, {\"group\": \"scriptParseCompile\", \"duration\": 216.5313, \"groupLabel\": \"Script Parsing & Compilation\"}, {\"group\": \"garbageCollection\", \"duration\": 54.41429999999999, \"groupLabel\": \"Garbage Collection\"}, {\"group\": \"parseHTML\", \"duration\": 42.72689999999997, \"groupLabel\": \"Parse HTML & CSS\"}, {\"group\": \"paintCompositeRender\", \"duration\": 22.20030000000001, \"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\/goldStandardV2AemHeader.css?v=493455B9D40B6E82AB127497F917D91717D7AAE1\", \"wastedMs\": 630, \"totalBytes\": 54230}, {\"url\": \"https:\/\/www.mayoclinic.org\/bundles\/styles\/accessibility.css?v=7A281B0CAEFEE3E8063E4A6C48E5620E6D28F169\", \"wastedMs\": 157, \"totalBytes\": 8556}, {\"url\": \"https:\/\/www.mayoclinic.org\/static\/main.css?t=1713878320520\", \"wastedMs\": 315, \"totalBytes\": 15857}, {\"url\": \"https:\/\/tagdelivery.mayoclinic.org\/dotorg\/prod\/utag.sync.js\", \"wastedMs\": 1020, \"totalBytes\": 636}, {\"url\": \"https:\/\/nexus.ensighten.com\/mayo_clinic\/clinicprod\/Bootstrap.js\", \"wastedMs\": 1510, \"totalBytes\": 72079}]"

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

"[{\"url\": \"https:\/\/www.mayoclinic.org\/patient-visitor-guide\/minnesota\/concierge-services\", \"responseTime\": 3284.746}]"

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.

[]

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

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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

["div.row-container > article#main-content > div.contentimg > img","div#top-advertisement > div.aem-GridColumn > div#image-937832b246 > img.cmp-image__image","div#image-a508406bd9 > div.cmp-link > a.cmp-anchor--plain > img.cmp-image__image","div#image-35cefa961e > div.cmp-link > a.cmp-anchor--plain > img.cmp-image__image","div#header__mobile-logo > div.cmp-link > a.cmp-anchor--plain > img.cmp-image__image"]

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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Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.

["div.row-container > article#main-content > div.contentimg > img"]

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more about text compression.

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