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Lighthouse Mobile

· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

17

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Performance issues directly impact user engagement and conversion rates.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
/assets/client/dist/js/shared.bundle.min.js?v=2o4lyh3fhHc...3600.0 s3.4 MiB
/globalassets/aaos-home/images/cta-images/access_featured...0.0 ms1.1 MiB
www.aaos.org/globalassets/aaos-home/images/hero-images/am27_hero_cfa_april-1.gif0.0 ms785.3 KiB
/assets/client/dist/css/shared.css?v=DyNp7GP9lbgkjaVPGpFK...3600.0 s502.8 KiB
/assets/client/dist/css/shared.min.css?v=umYL0barViuBUNcy...3600.0 s405.6 KiB
/globalassets/aaos-home/images/cta-images/ovt-awards2024_...0.0 ms263.0 KiB
www.aaos.org/globalassets/aaos-home/images/cta-images/common-fractures-cta.jpg0.0 ms162.7 KiB
/globalassets/aaos-home/images/partners/pacira-bioscience...0.0 ms129.2 KiB
www.aaos.org/assets/client/dist/js/sharethis.min.js3600.0 s118.9 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
www.aaos.org/globalassets/aaos-home/images/cta-images/map_webcard.gif0.0 ms78.8 KiB
cdn.optimizely.com/js/8286478868.js120.0 s69.9 KiB
www.aaos.org/globalassets/aaos-home/images/partners/stryker.png0.0 ms67.2 KiB
/bnith__n7QbTDQkVCRKy490_6f0U187iAyDMdROEZhtrRr3jEJqZkdoP...0.0 ms65.4 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s73.1 KiB
js.hs-analytics.net/analytics/1776894000000/20984690.js300.0 s44.3 KiB
www.aaos.org/globalassets/aaos-home/images/partners/zimmer-biomet.png0.0 ms42.3 KiB
js.monitor.azure.com/scripts/b/ai.2.min.js1800.0 s46.2 KiB
www.aaos.org/globalassets/aaos-global/aaos-logo-image-1.svg0.0 ms36.9 KiB
/globalassets/aaos-home/images/home_store/ondemand-web-st...0.0 ms34.3 KiB
www.aaos.org/globalassets/aaos-home/images/home_store/icl-75-cover_120x120.jpg0.0 ms34.2 KiB
www.aaos.org/globalassets/aaos-home/images/home_store/courses-ondemand_store.jpg0.0 ms34.1 KiB
www.aaos.org/globalassets/aaos-home/images/partners/depuy-synthes-logo-2025.png0.0 ms29.0 KiB
cdn.feathr.co/js/boomerang.min.js14400.0 s42.0 KiB
www.aaos.org/globalassets/aaos-home/images/home_store/oku_hk_7_120x120.jpg0.0 ms28.3 KiB
/signals/config/829587140118286?v=2.9.303&r=stable&domain...1200.0 s31.5 KiB
/signals/config/385463003039708?v=2.9.303&r=stable&domain...1200.0 s29.4 KiB
js.hubspot.com/web-interactives-embed.js600.0 s28.1 KiB
scripts.clarity.ms/0.8.60-beta/clarity.js0.0 ms25.0 KiB
www.aaos.org/globalassets/aaos-home/images/partners/arthrex-logo_black.png0.0 ms24.3 KiB
www.aaos.org/globalassets/aaos-home/images/home_store/access-logo-120x120.jpg0.0 ms23.9 KiB
www.aaos.org/globalassets/aaos-home/images/partners/sn_wordmark_rgb_orange.png0.0 ms22.9 KiB
js.hs-banner.com/v2/20984690/banner.js300.0 s23.7 KiB
/globalassets/aaos-global/footer/app-store-images/aaos.or...0.0 ms20.6 KiB
/globalassets/aaos-global/footer/app-store-images/aaos.or...0.0 ms18.9 KiB
/globalassets/aaos-home/images/home_store/2026-coding-gui...0.0 ms17.2 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
www.aaos.org/assets/client/dist/fonts/OpenSans-Semibold-webfont.woff10800.0 s21.0 KiB
www.aaos.org/assets/client/dist/fonts/OpenSans-Regular-webfont.woff10800.0 s20.9 KiB
www.aaos.org/assets/client/dist/fonts/OpenSans-Bold-webfont.woff10800.0 s20.9 KiB
www.aaos.org/globalassets/aaos-global/aaos-logo-footer.svg0.0 ms11.9 KiB
/signals/config/1186724135617250?v=2.9.303&r=stable&domai...1200.0 s13.3 KiB
www.aaos.org/Util/Find/epi-util/find.js3600.0 s6.6 KiB
sidebar.bugherd.com/embed.js?apikey=null14400.0 s7.7 KiB
sidebar.bugherd.com/embed.js?apikey=null14400.0 s7.1 KiB
munchkin.marketo.net/munchkin.js0.0 ms1.2 KiB
js.hs-scripts.com/20984690.js90.0 s1.0 KiB
pagead2.googlesyndication.com/pagead/js/r20260421/r20110914/abg_lite_fy2021.js1209600.0 s8.4 KiB
marco.feathr.co/v1/refresh0.0 ms625 B
cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.min.js604800.0 s2.8 KiB
cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.auto.min.js604800.0 s2.6 KiB
/track/cmf/generic?gdpr=0&ttd_passthrough=a_id%3D62edddce...0.0 ms149 B
/pagead/js/r20260421/r20110914/client/window_focus_fy2021.js1209600.0 s1.2 KiB
/tr/?id=385463003039708&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
/tr/?id=385463003039708&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
/tr/?id=1186724135617250&ev=PageView&dl=https%3A%2F%2Fwww...0.0 ms16 B
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s0 B
pagead2.googlesyndication.com/pagead/js/r20260421/r20110914/abg_lite_fy2021.js1209600.0 s0 B
/pagead/js/r20260421/r20110914/client/window_focus_fy2021.js1209600.0 s0 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.211996] map[node:map[boundingRect:map[bottom:7380 height:7005 left:0 right:412 top:375 width:412] lhId:page-23-MAIN nodeLabel:Big Ideas Start Here. Share Your Expertise at AAOS 2027! Share your insights, … path:1,HTML,1,BODY,17,DIV,6,MAIN selector:body > div#page-content > main#main snippet:<main id="main" class="main"> type:node] score:0.065602 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:230 height:50 left:75 right:197 top:180 width:122] lhId:page-28-IMG nodeLabel:div.row > div.col-6 > a.logo > img path:1,HTML,1,BODY,17,DIV,2,HEADER,0,DIV,0,DIV,0,DIV,1,A,0,IMG selector:div.row > div.col-6 > a.logo > img snippet:<img src="/globalassets/aaos-global/aaos-logo-image-1.svg"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:829 height:179 left:45 right:382 top:650 width:337] lhId:page-18-H1 nodeLabel:Big Ideas Start Here. Share Your Expertise at AAOS 2027! path:1,HTML,1,BODY,17,DIV,6,MAIN,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,H1 selector:div.col-12 > div.box--row > div.headline > h1 snippet:<h1> type:node] score:0.021171 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:1979 height:215 left:15 right:397 top:1764 width:382] lhId:page-2-IMG nodeLabel:div.card--vertical > a.card--basic > div.card-img > img path:1,HTML,1,BODY,17,DIV,6,MAIN,0,SECTION,0,DIV,0,DIV,0,DIV,4,DIV,0,DIV,0,A,0,DIV,0,IMG selector:div.card--vertical > a.card--basic > div.card-img > img snippet:<img src="/globalassets/aaos-home/images/cta-images/ovt-awards2024_1093x615.jpg" alt=""> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:8694 height:8539 left:0 right:412 top:155 width:412] lhId:page-26-DIV nodeLabel: Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … path:1,HTML,1,BODY,17,DIV selector:body > div#page-content snippet:<div id="page-content" class="mm-page mm-slideout"> type:node] score:0.00681 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:230 height:50 left:75 right:197 top:180 width:122] lhId:page-28-IMG nodeLabel:div.row > div.col-6 > a.logo > img path:1,HTML,1,BODY,17,DIV,2,HEADER,0,DIV,0,DIV,0,DIV,1,A,0,IMG selector:div.row > div.col-6 > a.logo > img snippet:<img src="/globalassets/aaos-global/aaos-logo-image-1.svg"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:8694 height:8539 left:0 right:412 top:155 width:412] lhId:page-26-DIV nodeLabel: Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … path:1,HTML,1,BODY,17,DIV selector:body > div#page-content snippet:<div id="page-content" class="mm-page mm-slideout"> type:node] score:0.006757 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:230 height:50 left:75 right:197 top:180 width:122] lhId:page-28-IMG nodeLabel:div.row > div.col-6 > a.logo > img path:1,HTML,1,BODY,17,DIV,2,HEADER,0,DIV,0,DIV,0,DIV,1,A,0,IMG selector:div.row > div.col-6 > a.logo > img snippet:<img src="/globalassets/aaos-global/aaos-logo-image-1.svg"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:8694 height:8539 left:0 right:412 top:155 width:412] lhId:page-26-DIV nodeLabel: Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … path:1,HTML,1,BODY,17,DIV selector:body > div#page-content snippet:<div id="page-content" class="mm-page mm-slideout"> type:node] score:0.006705 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:230 height:50 left:75 right:197 top:180 width:122] lhId:page-28-IMG nodeLabel:div.row > div.col-6 > a.logo > img path:1,HTML,1,BODY,17,DIV,2,HEADER,0,DIV,0,DIV,0,DIV,1,A,0,IMG selector:div.row > div.col-6 > a.logo > img snippet:<img src="/globalassets/aaos-global/aaos-logo-image-1.svg"> type:node]]] type:subitems]]]

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLEst Savings
www.aaos.org/assets/client/dist/fonts/OpenSans-Bold-webfont.woff140 ms
www.aaos.org/assets/client/dist/fonts/OpenSans-Semibold-webfont.woff140 ms
www.aaos.org/assets/client/dist/fonts/OpenSans-Regular-webfont.woff130 ms
cdn.icomoon.io/165603/AAOS-Glyphs/aaos-glyphs.woff2?n75wbj30 ms

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:3.712 source:map[column:142878 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097963 urlProvider:network]] map[reflowTime:18.954 source:map[column:48212 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097963 urlProvider:network]] map[reflowTime:5.276 source:map[column:241846 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097963 urlProvider:network]] map[reflowTime:37.396 source:map[type:text value:[unattributed]]] map[reflowTime:0.306 source:map[column:102033 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097963 urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div.card--vertical > a.card--basic > div.card-img > img div.card--vertical > a.card--basic > div.card-img > img
/globalassets/aaos-home/images/cta-images/access_featured...1.1 MiB1.0 MiB
Annual Meeting Speakers div.col-12 > div.box--row > div.img--container > img.card-img-simple
www.aaos.org/globalassets/aaos-home/images/hero-images/am27_hero_cfa_april-1.gif777.1 KiB692.8 KiB
div.card--vertical > a.card--basic > div.card-img > img div.card--vertical > a.card--basic > div.card-img > img
/globalassets/aaos-home/images/cta-images/ovt-awards2024_...254.8 KiB213.8 KiB
Pacira div > p > a#CPlogo > img
/globalassets/aaos-home/images/partners/pacira-bioscience...121.0 KiB119.5 KiB
Common Fractures. Online Course Laptop div.card--vertical > a.card--basic > div.card-img > img
www.aaos.org/globalassets/aaos-home/images/cta-images/common-fractures-cta.jpg154.5 KiB113.6 KiB
Stryker div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/stryker.png58.9 KiB57.9 KiB
Member Advantage Program div.card--vertical > a.card--basic > div.card-img > img
www.aaos.org/globalassets/aaos-home/images/cta-images/map_webcard.gif70.5 KiB44.1 KiB
Zimmer Biomet div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/zimmer-biomet.png34.0 KiB30.8 KiB
AAOS OnDemand div.card--horizontal > a.card--basic > div.card-img > img
/globalassets/aaos-home/images/home_store/ondemand-web-st...26.0 KiB23.7 KiB
div.card--horizontal > a.card--basic > div.card-img > img div.card--horizontal > a.card--basic > div.card-img > img
www.aaos.org/globalassets/aaos-home/images/home_store/icl-75-cover_120x120.jpg25.9 KiB23.6 KiB
Courses OnDemand-Store div.card--horizontal > a.card--basic > div.card-img > img
www.aaos.org/globalassets/aaos-home/images/home_store/courses-ondemand_store.jpg25.8 KiB23.5 KiB
DePuy Synthes div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/depuy-synthes-logo-2025.png20.7 KiB18.7 KiB
div.card--horizontal > a.card--basic > div.card-img > img div.card--horizontal > a.card--basic > div.card-img > img
www.aaos.org/globalassets/aaos-home/images/home_store/oku_hk_7_120x120.jpg20.1 KiB17.7 KiB
Arthrex div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/arthrex-logo_black.png16.0 KiB13.8 KiB
Access Plus div.card--horizontal > a.card--basic > div.card-img > img
www.aaos.org/globalassets/aaos-home/images/home_store/access-logo-120x120.jpg15.6 KiB13.3 KiB
Smith-Nephew div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/sn_wordmark_rgb_orange.png14.6 KiB13.0 KiB
Coding Guide on mobile div.card--horizontal > a.card--basic > div.card-img > img
/globalassets/aaos-home/images/home_store/2026-coding-gui...8.9 KiB6.6 KiB

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-1-IMG
nodeLabel: Annual Meeting Speakers
path: 1,HTML,1,BODY,17,DIV,6,MAIN,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,IMG
selector: div.col-12 > div.box--row > div.img--container > img.card-img-simple
snippet: <img src="/globalassets/aaos-home/images/hero-images/am27_hero_cfa_april-1.gif" class="card-img-simple" alt="Annual Meeting Speakers">

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
www.aaos.org/http/1.1
/assets/client/dist/css/shared.css?v=DyNp7GP9lbgkjaVPGpFK...http/1.1
www.aaos.org/assets/client/dist/js/sharethis.min.jshttp/1.1
/assets/client/dist/css/shared.min.css?v=umYL0barViuBUNcy...http/1.1
www.aaos.org/globalassets/aaos-global/aaos-logo-image-1.svghttp/1.1
www.aaos.org/globalassets/aaos-home/images/hero-images/am27_hero_cfa_april-1.gifhttp/1.1
/globalassets/aaos-home/images/cta-images/ovt-awards2024_...http/1.1
www.aaos.org/globalassets/aaos-home/images/cta-images/map_webcard.gifhttp/1.1
www.aaos.org/globalassets/aaos-home/images/cta-images/common-fractures-cta.jpghttp/1.1
/globalassets/aaos-home/images/cta-images/access_featured...http/1.1
/globalassets/aaos-home/images/home_store/ondemand-web-st...http/1.1
www.aaos.org/globalassets/aaos-home/images/home_store/courses-ondemand_store.jpghttp/1.1
/globalassets/aaos-home/images/home_store/2026-coding-gui...http/1.1
www.aaos.org/globalassets/aaos-home/images/home_store/oku_hk_7_120x120.jpghttp/1.1
www.aaos.org/globalassets/aaos-home/images/home_store/icl-75-cover_120x120.jpghttp/1.1
www.aaos.org/globalassets/aaos-home/images/home_store/access-logo-120x120.jpghttp/1.1
www.aaos.org/globalassets/aaos-home/images/partners/arthrex-logo_black.pnghttp/1.1
www.aaos.org/globalassets/aaos-home/images/partners/depuy-synthes-logo-2025.pnghttp/1.1
/globalassets/aaos-home/images/partners/pacira-bioscience...http/1.1
www.aaos.org/globalassets/aaos-home/images/partners/sn_wordmark_rgb_orange.pnghttp/1.1
www.aaos.org/globalassets/aaos-home/images/partners/stryker.pnghttp/1.1
www.aaos.org/globalassets/aaos-home/images/partners/zimmer-biomet.pnghttp/1.1
www.aaos.org/globalassets/aaos-global/aaos-logo-footer.svghttp/1.1
/globalassets/aaos-global/footer/app-store-images/aaos.or...http/1.1
/globalassets/aaos-global/footer/app-store-images/aaos.or...http/1.1
www.aaos.org/Util/Find/epi-util/find.jshttp/1.1
/assets/client/dist/js/shared.bundle.min.js?v=2o4lyh3fhHc...http/1.1
/bnith__n7QbTDQkVCRKy490_6f0U187iAyDMdROEZhtrRr3jEJqZkdoP...http/1.1
www.aaos.org/assets/client/dist/fonts/OpenSans-Regular-webfont.woffhttp/1.1
www.aaos.org/assets/client/dist/fonts/OpenSans-Bold-webfont.woffhttp/1.1
www.aaos.org/assets/client/dist/fonts/OpenSans-Semibold-webfont.woffhttp/1.1
www.aaos.org/api/shared/Bugherd/Get?id=Prime&_=1776894173035http/1.1
www.aaos.org/contentassets/72faca73833746f98645bc3cea94db5f/favicon_01.icohttp/1.1

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer SizeDuration
/assets/client/dist/css/shared.min.css?v=umYL0barViuBUNcy...405.6 KiB6.6 s
/assets/client/dist/css/shared.css?v=DyNp7GP9lbgkjaVPGpFK...502.8 KiB7.2 s
cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.auto.min.js2.6 KiB150 ms
cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.min.js2.8 KiB752 ms

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.2 s
URLTime Spent
aaos.org/1.2 s
www.aaos.org/0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
Big Ideas Start Here. Share Your Expertise at AAOS 2027! Share your insights, … body > div#page-content > main#main
0.066
Big Ideas Start Here. Share Your Expertise at AAOS 2027! div.col-12 > div.box--row > div.headline > h1
0.021
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.007
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.007
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.007
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.007
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.006
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.006
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.006
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.006
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.006
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.006
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.006
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.005
Search Application Deadline: FAAOS, Affiliate, & Allied Health Due by May 31! … body > div#page-content
0.005

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 590 ms 93.7 KiB
URLTransfer SizeEst Savings
/assets/client/dist/css/shared.css?v=DyNp7GP9lbgkjaVPGpFK...502.8 KiB93.7 KiB

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 4.7 s 821.9 KiB
URLTransfer SizeEst Savings
/assets/client/dist/css/shared.css?v=DyNp7GP9lbgkjaVPGpFK...502.2 KiB455.8 KiB
/assets/client/dist/css/shared.min.css?v=umYL0barViuBUNcy...404.9 KiB366.1 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.8 s 2.5 MiB
URLTransfer SizeEst Savings
/assets/client/dist/js/shared.bundle.min.js?v=2o4lyh3fhHc...3.3 MiB2.0 MiB
/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31...187.4 KiB104.5 KiB
www.googletagmanager.com/gtm.js?id=GTM-TSXTNW178.7 KiB70.3 KiB
www.aaos.org/assets/client/dist/js/sharethis.min.js117.8 KiB70.0 KiB
www.googletagmanager.com/gtag/js?id=G-X356FDBRVK&cx=c&gtm=4e64k0179.2 KiB65.4 KiB
www.googletagmanager.com/gtag/js?id=AW-1001366057&cx=c&gtm=4e64k0146.2 KiB61.1 KiB
connect.facebook.net/en_US/fbevents.js96.5 KiB32.4 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB31.8 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB31.6 KiB
cdn.optimizely.com/js/8286478868.js69.4 KiB29.6 KiB
www.googletagservices.com/tag/js/gpt.js33.6 KiB24.0 KiB

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.aaos.org/1.4 s252 ms8.2 ms
/assets/client/dist/js/shared.bundle.min.js?v=2o4lyh3fhHc...1.1 s657 ms326 ms
/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31...731 ms456 ms83 ms
Unattributable731 ms71 ms0.0 ms
www.googletagmanager.com/gtag/js?id=G-X356FDBRVK&cx=c&gtm=4e64k0458 ms407 ms49 ms
/pagead/managed/js/activeview/current/ufs_web_display.js447 ms358 ms38 ms
www.googletagmanager.com/gtm.js?id=GTM-TSXTNW354 ms283 ms50 ms
js.hs-analytics.net/analytics/1776894000000/20984690.js330 ms300 ms10 ms
www.googletagmanager.com/gtag/js?id=AW-1001366057&cx=c&gtm=4e64k0301 ms257 ms43 ms
/bnith__n7QbTDQkVCRKy490_6f0U187iAyDMdROEZhtrRr3jEJqZkdoP...273 ms173 ms4.6 ms
scripts.clarity.ms/0.8.60-beta/clarity.js190 ms183 ms5.3 ms
cdn.optimizely.com/js/8286478868.js181 ms145 ms29 ms
js.monitor.azure.com/scripts/b/ai.2.min.js179 ms97 ms8.3 ms
connect.facebook.net/en_US/fbevents.js129 ms91 ms28 ms
cdn.feathr.co/js/boomerang.min.js105 ms89 ms11 ms
/signals/config/385463003039708?v=2.9.303&r=stable&domain...79 ms68 ms9.2 ms
securepubads.g.doubleclick.net/tag/js/gpt.js75 ms63 ms12 ms
/signals/config/1186724135617250?v=2.9.303&r=stable&domai...70 ms63 ms4.5 ms
static.ads-twitter.com/uwt.js63 ms50 ms12 ms
js.hubspot.com/web-interactives-embed.js57 ms48 ms7.4 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation4.3 s
Other1.1 s
Script Parsing & Compilation789 ms
Style & Layout570 ms
Rendering517 ms
Parse HTML & CSS163 ms
Garbage Collection122 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 30.6 KiB
URLTransfer SizeEst Savings
www.aaos.org/assets/client/dist/js/sharethis.min.js118.2 KiB30.6 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
/assets/client/dist/js/shared.bundle.min.js?v=2o4lyh3fhHc...3.4 MiB
/globalassets/aaos-home/images/cta-images/access_featured...1.1 MiB
www.aaos.org/globalassets/aaos-home/images/hero-images/am27_hero_cfa_april-1.gif785.3 KiB
/assets/client/dist/css/shared.css?v=DyNp7GP9lbgkjaVPGpFK...502.8 KiB
/assets/client/dist/css/shared.min.css?v=umYL0barViuBUNcy...405.6 KiB
/globalassets/aaos-home/images/cta-images/ovt-awards2024_...263.0 KiB
/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31...187.4 KiB
www.googletagmanager.com/gtag/js?id=G-X356FDBRVK&cx=c&gtm=4e64k0179.2 KiB
www.googletagmanager.com/gtm.js?id=GTM-TSXTNW179.1 KiB
www.aaos.org/globalassets/aaos-home/images/cta-images/common-fractures-cta.jpg162.7 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
Pacira div > p > a#CPlogo > img
/globalassets/aaos-home/images/partners/pacira-bioscience...
Stryker div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/stryker.png
Annual Meeting Speakers div.col-12 > div.box--row > div.img--container > img.card-img-simple
www.aaos.org/globalassets/aaos-home/images/hero-images/am27_hero_cfa_april-1.gif
Zimmer Biomet div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/zimmer-biomet.png
DePuy Synthes div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/depuy-synthes-logo-2025.png
Arthrex div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/arthrex-logo_black.png
Smith-Nephew div > p > a#CPlogo > img
www.aaos.org/globalassets/aaos-home/images/partners/sn_wordmark_rgb_orange.png
div.row > div.col-6 > a.logo > img div.row > div.col-6 > a.logo > img
www.aaos.org/globalassets/aaos-global/aaos-logo-image-1.svg
ul.footer--panel > li > a.logo > img.img-responsive ul.footer--panel > li > a.logo > img.img-responsive
www.aaos.org/globalassets/aaos-global/aaos-logo-footer.svg
ul.footer-app-links > li.footer-app-link > a > img ul.footer-app-links > li.footer-app-link > a > img
/globalassets/aaos-global/footer/app-store-images/aaos.or...
ul.footer-app-links > li.footer-app-link > a > img ul.footer-app-links > li.footer-app-link > a > img
/globalassets/aaos-global/footer/app-store-images/aaos.or...

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Optimize DOM size
●LCP breakdown
●Optimize viewport for mobile
●User Timing marks and measures 9 user timings
●Avoid long main-thread tasks 20 long tasks found
●Avoid non-composited animations 1 animated element found
●Network Requests
●Network Round Trip Times 160 ms
●Server Backend Latencies 280 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 180 ms
○INP breakdown
78

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Learn more div.cc-grower > div.cc-window > span#cookieconsent:desc > a.cc-link
AAOS Store div.box--row > div.txt > h3 > a#morestore
Learn more about partnering with AAOS. div.row > div.col-12 > p > a#partner

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.row > div.col-6 > a.logo > img div.row > div.col-6 > a.logo > img
ul.footer--panel > li > a.logo > img.img-responsive ul.footer--panel > li > a.logo > img.img-responsive
ul.footer-app-links > li.footer-app-link > a > img ul.footer-app-links > li.footer-app-link > a > img
ul.footer-app-links > li.footer-app-link > a > img ul.footer-app-links > li.footer-app-link > a > img

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.container > div.row > div.col-6 > a.logo div.container > div.row > div.col-6 > a.logo
div.container > ul.footer--panel > li > a.logo div.container > ul.footer--panel > li > a.logo
li > ul.btn-container > li > a.btn li > ul.btn-container > li > a.btn
li > ul.btn-container > li > a.btn li > ul.btn-container > li > a.btn
li > ul.btn-container > li > a.btn li > ul.btn-container > li > a.btn
li > ul.btn-container > li > a.btn li > ul.btn-container > li > a.btn
li > ul.btn-container > li > a.btn li > ul.btn-container > li > a.btn
li > ul.btn-container > li > a.btn li > ul.btn-container > li > a.btn
li > ul.footer-app-links > li.footer-app-link > a li > ul.footer-app-links > li.footer-app-link > a
li > ul.footer-app-links > li.footer-app-link > a li > ul.footer-app-links > li.footer-app-link > a

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Best practices

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Why this matters

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
head > meta head > meta

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Search div.typeahead__container > div.typeahead__field > div.typeahead__query > button.btn

These items highlight common accessibility best practices.

Navigation

A value greater than 0 implies an explicit navigation ordering. Although technically valid, this often creates frustrating experiences for users who rely on assistive technologies. Learn more about the `tabindex` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Skip to main content body > a.skip-to-content

These are opportunities to improve keyboard navigation in your application.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
I UNDERSTAND! div.cc-grower > div.cc-window > div.cc-compliance > a.cc-btn
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-*]` attributes match their roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Form elements have associated labels
●`button`, `link`, and `menuitem` elements have accessible names
●ARIA attributes are used as specified for the element's role
●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●`<frame>` or `<iframe>` elements have a title
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●Identical links have the same purpose.
○`[accesskey]` values are unique
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○`[role]`s are contained by their required parent element
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
73

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
js.monitor.azure.com/scripts/b/ai.2.min.js line 4, col 20534
AttributionReporting
connect.facebook.net/en_US/fbevents.js line 279, col 769

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
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Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLMap URL
/assets/client/dist/js/shared.bundle.min.js?v=2o4lyh3fhHc...
www.bugherd.com/sidebarv2.js?apikey=nullwww.bugherd.com/embed.1776408198901.js.map;
js.monitor.azure.com/scripts/b/ai.2.min.jsjs.monitor.azure.com/scripts/b/ai.2.8.18.min.js.map
cdn.feathr.co/js/boomerang.min.jscdn.feathr.co/js/boomerang.min.js.map
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
83

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
nav#mm-0 > div.mm-navbars_top > div.mm-navbar > a.mm-btn nav#mm-0 > div.mm-navbars_top > div.mm-navbar > a.mm-btn
nav#mm-0 > div.mm-navbars_top > div.mm-navbar > a.mm-navbar__title nav#mm-0 > div.mm-navbars_top > div.mm-navbar > a.mm-navbar__title

To appear in search results, crawlers need access to your app.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.row > div.col-6 > a.logo > img div.row > div.col-6 > a.logo > img
ul.footer--panel > li > a.logo > img.img-responsive ul.footer--panel > li > a.logo > img.img-responsive
ul.footer-app-links > li.footer-app-link > a > img ul.footer-app-links > li.footer-app-link > a > img
ul.footer-app-links > li.footer-app-link > a > img ul.footer-app-links > li.footer-app-link > a > img

Format your HTML in a way that enables crawlers to better understand your app’s content.

○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Document has a meta description
●Page has successful HTTP status code
●Links have descriptive text
●robots.txt is valid
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

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