Performance Report for http://www.saintlukeskc.org/education

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.

"[{\"url\": \"https:\/\/www.youtube.com\/s\/player\/652ba3a2\/www-embed-player.vflset\/www-embed-player.js\", \"total\": 527.6342999999907, \"scripting\": 458.7683999999906, \"scriptParseCompile\": 34.137600000000006}, {\"url\": \"https:\/\/www.youtube.com\/s\/player\/652ba3a2\/player_ias.vflset\/lt_LT\/base.js\", \"total\": 494.6450999999987, \"scripting\": 362.1305999999989, \"scriptParseCompile\": 47.232899999999994}, {\"url\": \"https:\/\/www.saintlukeskc.org\/education\", \"total\": 447.5318999999999, \"scripting\": 1.2648, \"scriptParseCompile\": 0.1173}, {\"url\": \"Unattributable\", \"total\": 371.4035999999978, \"scripting\": 6.2286, \"scriptParseCompile\": 0}, {\"url\": \"https:\/\/cdn.levelaccess.net\/accessjs\/YW1wMTI1ODc\/access.js\", \"total\": 326.24849999999964, \"scripting\": 315.47219999999965, \"scriptParseCompile\": 5.1774}, {\"url\": \"https:\/\/www.youtube.com\/embed\/cDRGfG0OA7o?autoplay=0&start=0&rel=0\", \"total\": 230.6042999999988, \"scripting\": 24.0603, \"scriptParseCompile\": 3.5376}, {\"url\": \"https:\/\/guide.loyalhealth.com\/client\/4.client.bundle.js\", \"total\": 200.60009999999977, \"scripting\": 168.2852999999997, \"scriptParseCompile\": 0.1485}, {\"url\": \"https:\/\/www.youtube.com\/embed\/CL1nNE2kgqI?autoplay=0&start=0&rel=0\", \"total\": 151.1831999999999, \"scripting\": 53.339699999999944, \"scriptParseCompile\": 1.8893999999999995}, {\"url\": \"https:\/\/guide.loyalhealth.com\/client\/2.client.bundle.js\", \"total\": 98.1983999999999, \"scripting\": 78.17339999999989, \"scriptParseCompile\": 2.2941}]"

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

"[{\"newEngineResult\": {\"cumulativeLayoutShift\": 0.15206756460708346, \"cumulativeLayoutShiftMainFrame\": 0.15206756460708346}, \"newEngineResultDiffered\": false, \"cumulativeLayoutShiftMainFrame\": 0.15206756460708346}]"

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

"[{\"url\": \"http:\/\/www.saintlukeskc.org\/education\", \"resolution\": \"Allowed\"}]"

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

"[{\"url\": \"http:\/\/www.saintlukeskc.org\/education\", \"resolution\": \"Allowed\"}]"

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

"[{\"url\": \"https:\/\/www.saintlukeskc.org\/themes\/custom\/saintlukes_theme\/dest\/icons.ttf\", \"wastedMs\": 308.0390000343323}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2\", \"wastedMs\": 583.0190000534058}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2\", \"wastedMs\": 365.4799995422363}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2\", \"wastedMs\": 706.7919998168945}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2\", \"wastedMs\": 594.9450001716614}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOmCnqEu92Fr1Mu7GxKKTU1Kvnz.woff2\", \"wastedMs\": 319.6890001296997}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOlCnqEu92Fr1MmEU9fChc4AMP6lbBP.woff2\", \"wastedMs\": 320.2109999656677}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOmCnqEu92Fr1Mu7GxKKTU1Kvnz.woff2\", \"wastedMs\": 155.2900004386902}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/roboto\/v18\/KFOlCnqEu92Fr1MmEU9fChc4AMP6lbBP.woff2\", \"wastedMs\": 155.09899997711182}]"

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.saintlukeskc.org\/education\", \"responseTime\": 846.5780000000001}]"

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

"[{\"url\": \"http:\/\/www.saintlukeskc.org\/education\", \"resolution\": \"Allowed\"}]"

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-DIV\", \"path\": \"1,HTML,1,BODY,1,DIV,0,DIV,0,DIV\", \"type\": \"node\", \"snippet\": \"<div class=\\\"message-banner__text\\\">\", \"selector\": \"body.node-saint-luke-s-medical-education-programs > div#message-banner > div.message-banner__content > div.message-banner__text\", \"nodeLabel\": \"Jan. 1, 2024 \u2014 BJC and Saint Luke\u2019s Officially Combine as BJC Health System \u2014 L\u2026\", \"boundingRect\": {\"top\": 10, \"left\": 10, \"right\": 775, \"width\": 765, \"bottom\": 78, \"height\": 68}}}], \"headings\": [{\"key\": \"node\", \"label\": \"Element\", \"valueType\": \"node\"}]}, {\"type\": \"table\", \"items\": [{\"phase\": \"TTFB\", \"timing\": 1287.716, \"percent\": \"21%\"}, {\"phase\": \"Load Delay\", \"timing\": 0, \"percent\": \"0%\"}, {\"phase\": \"Load Time\", \"timing\": 0, \"percent\": \"0%\"}, {\"phase\": \"Render Delay\", \"timing\": 4949.926000000001, \"percent\": \"79%\"}], \"headings\": [{\"key\": \"phase\", \"label\": \"Phase\", \"valueType\": \"text\"}, {\"key\": \"percent\", \"label\": \"% of LCP\", \"valueType\": \"text\"}, {\"key\": \"timing\", \"label\": \"Timing\", \"valueType\": \"ms\"}]}]"

These DOM elements contribute most to the CLS of the page. Learn how to improve CLS

["body.node-saint-luke-s-medical-education-programs > div.dialog-off-canvas-main-canvas","article > div > div.page > div.row","div.dialog-off-canvas-main-canvas > div.layout-container > header.site-header > div.site-header__toggle-group","div.block__basic > div.field > div > p","div.block__basic > div.field > div > p","div.block__basic > div.field > div > p","div#movie_player > div.ytp-chrome-top > div.ytp-title-channel > div.ytp-title-beacon","header.site-header > div.site-header__toggle-group > a.site-header__toggle > ::before","header.site-header > div.site-header__toggle-group > a.site-header__toggle > ::before"]

["body.node-saint-luke-s-medical-education-programs > div.dialog-off-canvas-main-canvas","article > div > div.page > div.row","div.dialog-off-canvas-main-canvas > div.layout-container > header.site-header > div.site-header__toggle-group","div.block__basic > div.field > div > p","div#movie_player > div.ytp-chrome-top > div.ytp-title-channel > div.ytp-title-beacon","div#movie_player > div.ytp-chrome-top > div.ytp-title-channel > div.ytp-title-beacon","header.site-header > div.site-header__toggle-group > a.site-header__toggle > ::before"]

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\": 1639.7879999999714, \"groupLabel\": \"Script Evaluation\"}, {\"group\": \"other\", \"duration\": 864.8561999999914, \"groupLabel\": \"Other\"}, {\"group\": \"styleLayout\", \"duration\": 345.13289999999984, \"groupLabel\": \"Style & Layout\"}, {\"group\": \"scriptParseCompile\", \"duration\": 134.3154, \"groupLabel\": \"Script Parsing & Compilation\"}, {\"group\": \"parseHTML\", \"duration\": 80.88749999999995, \"groupLabel\": \"Parse HTML & CSS\"}, {\"group\": \"paintCompositeRender\", \"duration\": 71.82719999999951, \"groupLabel\": \"Rendering\"}, {\"group\": \"garbageCollection\", \"duration\": 53.76839999999999, \"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#slhs_footer > div.col-lg-4 > div.img > 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.

["div#slhs_footer > div.col-lg-4 > div.img > img","div.col-lg-4 > div.site-footer__app-icons > a > img","div.col-lg-4 > div.site-footer__logo > a.no_link > img.logo-white","div.col-lg-4 > div.site-footer__app-icons > a > img"]

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

"[{\"url\": \"http:\/\/www.saintlukeskc.org\/education\", \"wastedMs\": 617.702}, {\"url\": \"https:\/\/www.saintlukeskc.org\/education\", \"wastedMs\": 0}]"

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.saintlukeskc.org\/core\/assets\/vendor\/jquery.ui\/themes\/base\/core.css?scii0q\", \"wastedMs\": 159, \"totalBytes\": 876}, {\"url\": \"https:\/\/www.saintlukeskc.org\/themes\/custom\/saintlukes_theme\/dest\/style.css?scii0q\", \"wastedMs\": 477, \"totalBytes\": 46262}, {\"url\": \"https:\/\/use.typekit.net\/unn5alb.js\", \"wastedMs\": 784, \"totalBytes\": 7025}]"

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.saintlukeskc.org\/education\", \"responseTime\": 846.5780000000001}]"

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

"[{\"url\": \"http:\/\/www.saintlukeskc.org\/education\", \"resolution\": \"Allowed\"}]"

Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade.

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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 CSS files can reduce network payload sizes. Learn how to minify CSS.

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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

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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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Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. Learn more about adopting passive event listeners.

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Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. Learn how to preconnect to required origins.

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

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