Performance Report for http://www.atlantichealth.org/conditions-treatments/pulmonary-services.html

A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows. Learn how to avoid an excessive DOM size.

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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.atlantichealth.org\/conditions-treatments\/pulmonary-services.html\", \"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.atlantichealth.org\/conditions-treatments\/pulmonary-services.html\", \"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:\/\/fonts.gstatic.com\/s\/alegreyasans\/v24\/5aUu9_-1phKLFgshYDvh6Vwt5f1LqEp2i0VBuxM.woff2\", \"wastedMs\": 788.1149997711182}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/alegreyasans\/v24\/5aUu9_-1phKLFgshYDvh6Vwt5eFIqEp2i0VBuxM.woff2\", \"wastedMs\": 741.5920000076294}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/alegreyasans\/v24\/5aUz9_-1phKLFgshYDvh6Vwt7VptvWdUhm8.woff2\", \"wastedMs\": 846.422999382019}, {\"url\": \"https:\/\/fonts.gstatic.com\/s\/alegreyasans\/v24\/5aUu9_-1phKLFgshYDvh6Vwt5fFPqEp2i0VBuxM.woff2\", \"wastedMs\": 384.1909999847412}]"

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.atlantichealth.org\/conditions-treatments\/pulmonary-services.html\", \"responseTime\": 17.148999999999994}]"

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.atlantichealth.org\/conditions-treatments\/pulmonary-services.html\", \"resolution\": \"Allowed\"}]"

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

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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.

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

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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.

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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 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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Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.

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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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