Performance Report for https://www.mayoclinichealthsystem.org/locations/glenwood-city

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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Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more about the Cumulative Layout Shift metric.

"[{\"newEngineResult\": {\"cumulativeLayoutShift\": 0.07643312101910828, \"cumulativeLayoutShiftMainFrame\": 0.07643312101910828}, \"newEngineResultDiffered\": false, \"cumulativeLayoutShiftMainFrame\": 0.07643312101910828}]"

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.

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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.mayoclinichealthsystem.org\/locations\/glenwood-city\", \"responseTime\": 730.72}]"

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

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

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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\": 1612.5314999999946, \"groupLabel\": \"Script Evaluation\"}, {\"group\": \"other\", \"duration\": 388.79519999999746, \"groupLabel\": \"Other\"}, {\"group\": \"styleLayout\", \"duration\": 106.563, \"groupLabel\": \"Style & Layout\"}, {\"group\": \"scriptParseCompile\", \"duration\": 55.7112, \"groupLabel\": \"Script Parsing & Compilation\"}, {\"group\": \"parseHTML\", \"duration\": 19.7949, \"groupLabel\": \"Parse HTML & CSS\"}, {\"group\": \"paintCompositeRender\", \"duration\": 16.85850000000001, \"groupLabel\": \"Rendering\"}, {\"group\": \"garbageCollection\", \"duration\": 3.933899999999999, \"groupLabel\": \"Garbage Collection\"}]"

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.community__items > div.community__item > a#blogPostImage-1f0ddac212f44e9a8c7bcd3c7bf9ba41-a2396fa5f5a645538cd3bd119389781e > img.community__item__image","div.ui-page > div > div#mainWrapper > div.hero","div.col-sidebar > div.widget > a#sidebarImageLink-5302560062744837be8ec5b6dbd9d32e > img","div.community__items > div.community__item > a#blogPostImage-291555ac73c044fa89e14f2611de4f0e-a2396fa5f5a645538cd3bd119389781e > img.community__item__image","div.community__items > div.community__item > a#blogPostImage-0bc5fa5217eb4c4ba9868266c41bbeb4-a2396fa5f5a645538cd3bd119389781e > img.community__item__image","div.community__items > div.community__item > a#blogPostImage-3f741104786a4e16b05973836ebb8b2f-a2396fa5f5a645538cd3bd119389781e > img.community__item__image","div.community__items > div.community__item > a#blogPostImage-af4bb8742eb64ac2a75e7fd776419432-a2396fa5f5a645538cd3bd119389781e > img.community__item__image"]

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.mayoclinichealthsystem.org\/Content\/HealthSystemInternet\/css\/mayofonts.css\", \"wastedMs\": 156, \"totalBytes\": 921}, {\"url\": \"https:\/\/www.mayoclinichealthsystem.org\/Content\/HealthSystemInternet\/css\/mobile.min.css\", \"wastedMs\": 156, \"totalBytes\": 23877}, {\"url\": \"https:\/\/www.mayoclinichealthsystem.org\/Content\/HealthSystemInternet\/js\/vendor\/require.min.js\", \"wastedMs\": 156, \"totalBytes\": 8266}, {\"url\": \"https:\/\/tagdelivery.mayoclinic.org\/healthsystem\/prod\/utag.sync.js\", \"wastedMs\": 1098, \"totalBytes\": 644}]"

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.mayoclinichealthsystem.org\/locations\/glenwood-city\", \"responseTime\": 730.72}]"

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.

[]

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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