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

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.mc-custom-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\/MayoClinicSerifDisplay-Bold.woff2\", \"wastedMs\": 922.2729997634888}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSans-Regular.woff2\", \"wastedMs\": 988.9260001182556}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerif-Bold.woff2\", \"wastedMs\": 1055.1890001296997}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSans-Bold.woff2\", \"wastedMs\": 1139.4520001411438}, {\"url\": \"https:\/\/design.mayoclinic.org\/assets\/fonts\/MayoClinicSerifDisplay-Regular.woff2\", \"wastedMs\": 1224.473000049591}]"

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\", \"responseTime\": 418.557}]"

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,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,PICTURE,2,IMG\", \"type\": \"node\", \"snippet\": \"<img alt=\\\"Mayo Clinic in Rochester, Minnesota\\\" src=\\\"https:\/\/www.mayoclinic.org\/-\/media\/kcms\/gbs\/patient-consumer\/images\/2019\/1\u2026\\\">\", \"selector\": \"div.sub-placeholder > div.contentbox > picture > img\", \"nodeLabel\": \"Mayo Clinic in Rochester, Minnesota\", \"boundingRect\": {\"top\": 93, \"left\": 12, \"right\": 732, \"width\": 720, \"bottom\": 386, \"height\": 293}}}], \"headings\": [{\"key\": \"node\", \"label\": \"Element\", \"valueType\": \"node\"}]}, {\"type\": \"table\", \"items\": [{\"phase\": \"TTFB\", \"timing\": 1142.233, \"percent\": \"20%\"}, {\"phase\": \"Load Delay\", \"timing\": 0, \"percent\": \"0%\"}, {\"phase\": \"Load Time\", \"timing\": 1310.15552367216, \"percent\": \"23%\"}, {\"phase\": \"Render Delay\", \"timing\": 3133.862476327839, \"percent\": \"56%\"}], \"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\": 3118.20300000002, \"groupLabel\": \"Script Evaluation\"}, {\"group\": \"styleLayout\", \"duration\": 1173.4494000000004, \"groupLabel\": \"Style & Layout\"}, {\"group\": \"other\", \"duration\": 775.9961999999958, \"groupLabel\": \"Other\"}, {\"group\": \"scriptParseCompile\", \"duration\": 239.81549999999993, \"groupLabel\": \"Script Parsing & Compilation\"}, {\"group\": \"garbageCollection\", \"duration\": 72.08370000000001, \"groupLabel\": \"Garbage Collection\"}, {\"group\": \"parseHTML\", \"duration\": 58.152899999999946, \"groupLabel\": \"Parse HTML & CSS\"}, {\"group\": \"paintCompositeRender\", \"duration\": 47.015100000000025, \"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.

[]

Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more about modern image formats.

["div.contentbox > div.image-text-holder > div > img","div.contentbox > div.image-text-holder > div > img"]

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn how to defer offscreen images.

["ul > li > a > span"]

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\/goldStandardAemHeader.css?v=3578C3CDC14E1EBF48EBF20A0ED819D8F2576D20\", \"wastedMs\": 630, \"totalBytes\": 40650}, {\"url\": \"https:\/\/www.mayoclinic.org\/-\/media\/web\/gbs\/shared\/css\/mc-custom-landing.css?version=4\", \"wastedMs\": 158, \"totalBytes\": 9352}, {\"url\": \"https:\/\/www.mayoclinic.org\/bundles\/styles\/accessibility.css?v=7A281B0CAEFEE3E8063E4A6C48E5620E6D28F169\", \"wastedMs\": 158, \"totalBytes\": 8556}, {\"url\": \"https:\/\/www.mayoclinic.org\/static\/main.css?t=1713878320520\", \"wastedMs\": 158, \"totalBytes\": 15858}, {\"url\": \"https:\/\/tagdelivery.mayoclinic.org\/dotorg\/prod\/utag.sync.js\", \"wastedMs\": 1150, \"totalBytes\": 644}, {\"url\": \"https:\/\/nexus.ensighten.com\/mayo_clinic\/clinicprod\/Bootstrap.js\", \"wastedMs\": 1579, \"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.

[]

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.contentbox > div.image-text-holder > div > img","div.contentbox > div.image-text-holder > div > img","div.sub-placeholder > div.contentbox > picture > img","div > a > div > img","div > a > div > img","div > a > div > img","div > a > div > img","div > a > div > img","div > a > div > img","div > a > div > img","div > a > div > img","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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Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.

["div.contentbox > div.image-text-holder > div > img","div.contentbox > div.image-text-holder > div > img"]

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

["div.contentbox > div.image-text-holder > div > img","div.contentbox > div.image-text-holder > div > 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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