Performance Report for https://www.mountsinai.org/locations/mount-sinai/about/patient-safety

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.

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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.

["div.row > div.col-xs-12 > p > a","div#google_translate_element > div.skiptranslate > div#:0.targetLanguage > select.goog-te-combo"]

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`.

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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.mountsinai.org\/locations\/mount-sinai\/about\/patient-safety\", \"responseTime\": 227.37399999999997}]"

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

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

["body.hospital-subpage__container--main > div.container-fluid > div.row > div.container","div.container > div.row > div.two-thirds > main.mob-readmore__container--outer","div.two-thirds > main.mob-readmore__container--outer > section.mob-readmore__container--main > ul","div.row > div.full-width > nav.breadcrumbs > ul.breadcrumb","div.row > div.full-width > nav.breadcrumbs > ul.share","div.container > nav.main-nav > div.pull-right > div.google_translate_parent_container","div.container > nav.main-nav > div.pull-right > ul.contact-list","div.container > nav.main-nav > div.pull-right > ul.contact-list","div.container > nav.main-nav > div.pull-right > ul.contact-list","nav.main-nav > div.pull-right > ul.contact-list > li","nav.main-nav > div.pull-right > ul.contact-list > li","nav.main-nav > ul.navbar > li > a.hidden-xs","div.container > nav.main-nav > div.pull-right > ul.contact-list","div.container > nav.main-nav > ul.navbar > li.no-expand-mobile","div.container > nav.main-nav > ul.navbar > li"]

["body.hospital-subpage__container--main > div.container-fluid > div.row > div.container","div.container > div.row > div.two-thirds > main.mob-readmore__container--outer","div.container > nav.main-nav > div.pull-right > ul.contact-list","div.row > div.full-width > nav.breadcrumbs > ul.share","div.container > nav.main-nav > div.pull-right > div.google_translate_parent_container","body.hospital-subpage__container--main > div#avm_chat_widget_dafef244-f2b4-44f7-92d6-343dcf6ed55d > div.avaamo__icon > a.avm-bot-avatar","div.two-thirds > main.mob-readmore__container--outer > section.white-bg > h1"]

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

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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.video-carousel__container--main > a > picture > img.video-carousel__image--thumbnail","div.owl-item > div.item > picture > img"]

For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. Learn how to avoid document.write().

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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.

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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.

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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 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

["div.owl-item > div.item > picture > img","div.video-carousel__container--main > a > picture > img.video-carousel__image--thumbnail"]

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.

"[{\"source\": {\"url\": \"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/2.2.0\/jquery.min.js\", \"line\": 2, \"type\": \"source-location\", \"column\": 6066, \"urlProvider\": \"network\"}}]"

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

"[{\"url\": \"https:\/\/mountsinai.containers.piwik.pro\", \"wastedMs\": 1097.888}, {\"url\": \"https:\/\/ufe.user1st.info\", \"wastedMs\": 905.11}, {\"url\": \"https:\/\/l.sharethis.com\", \"wastedMs\": 713.712}, {\"url\": \"https:\/\/h1avaamo.s3.us-west-2.amazonaws.com\", \"wastedMs\": 676.0260000000001}, {\"url\": \"https:\/\/h1.avaamo.com\", \"wastedMs\": 644.712}, {\"url\": \"https:\/\/mountsinaihs.us-4.evergage.com\", \"wastedMs\": 639.346}, {\"url\": \"https:\/\/translate.googleapis.com\", \"wastedMs\": 599.864}, {\"url\": \"https:\/\/portal.gsight.net\", \"wastedMs\": 563.204}, {\"url\": \"https:\/\/100003651.collect.igodigital.com\", \"wastedMs\": 538.8040000000001}, {\"url\": \"https:\/\/mountsinai.piwik.pro\", \"wastedMs\": 528.62}, {\"url\": \"https:\/\/fonts.gstatic.com\", \"wastedMs\": 393.508}, {\"url\": \"https:\/\/c.go-mpulse.net\", \"wastedMs\": 385.938}, {\"url\": \"https:\/\/fast.fonts.net\", \"wastedMs\": 383.788}, {\"url\": \"https:\/\/cdn.evgnet.com\", \"wastedMs\": 357.336}, {\"url\": \"https:\/\/adservice.google.com\", \"wastedMs\": 353.896}, {\"url\": \"https:\/\/www.gstatic.com\", \"wastedMs\": 351.906}, {\"url\": \"https:\/\/ad.doubleclick.net\", \"wastedMs\": 342.672}, {\"url\": \"https:\/\/web-2-tel.com\", \"wastedMs\": 331.49}, {\"url\": \"https:\/\/bat.bing.com\", \"wastedMs\": 331.164}, {\"url\": \"https:\/\/script-app.mercuryhealthcare.com\", \"wastedMs\": 324.93}, {\"url\": \"https:\/\/js.adsrvr.org\", \"wastedMs\": 324.348}, {\"url\": \"https:\/\/cdn.plu.mx\", \"wastedMs\": 319.926}, {\"url\": \"https:\/\/s.go-mpulse.net\", \"wastedMs\": 313.016}, {\"url\": \"https:\/\/answersstatus.pagescdn.com\", \"wastedMs\": 303.58799999999997}, {\"url\": \"https:\/\/rum-static.pingdom.net\", \"wastedMs\": 301.558}, {\"url\": \"https:\/\/www.googletagmanager.com\", \"wastedMs\": 300}, {\"url\": \"https:\/\/ide.user1st.info\", \"wastedMs\": 300}]"

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

["div.video-carousel__container--main > a > picture > img.video-carousel__image--thumbnail"]

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

"[{\"url\": \"https:\/\/h1.avaamo.com\/web_channels\/dafef244-f2b4-44f7-92d6-343dcf6ed55d\", \"totalBytes\": 91073, \"wastedBytes\": 64840}, {\"url\": \"https:\/\/cdn.plu.mx\/extjs\/xss.js\", \"totalBytes\": 50435, \"wastedBytes\": 39763}, {\"url\": \"https:\/\/script-app.mercuryhealthcare.com\/mhc-orbit-v1.0.min.js\", \"totalBytes\": 17382, \"wastedBytes\": 12316}, {\"url\": \"https:\/\/mountsinaiassetsbucket.s3.us-west-1.amazonaws.com\/unifiedORGscript.js\", \"totalBytes\": 4172, \"wastedBytes\": 3038}]"