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

Audit breakdown by category with detailed findings.

30

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
/drumline-experiment-cdn/sydney-uni/sydu-027-01/Internati...3600.0 s317.8 KiB
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...300.0 s255.5 KiB
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js1200.0 s257.5 KiB
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...300.0 s218.3 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-se...300.0 s215.4 KiB
storage.googleapis.com/drumline-experiment-cdn/sydney-uni/sydu-027-01/Hero.jpg3600.0 s249.6 KiB
/drumline-experiment-cdn/sydney-uni/sydu-027-01/Internati...3600.0 s237.3 KiB
/content/dam/intranet/images/news-initiatives/news/2016/n...0.0 ms158.0 KiB
/content/dam/corporate/images/john-grill-centre/education...0.0 ms150.5 KiB
assets.adobedtm.com/84fa4ed6cd2d/93f43475a61e/launch-a9ab0e6066cc.min.js3600.0 s140.9 KiB
/signals/config/552355808300694?v=2.9.303&r=stable&domain...1200.0 s125.1 KiB
/content/dam/campus-facilities-and-amenities/libraries/_d...0.0 ms101.5 KiB
/content/dam/corporate/images/news-and-opinion/news/2026/...0.0 ms100.0 KiB
/content/dam/corporate/ex/images/hero-crop/2026/marine_st...0.0 ms92.1 KiB
/content/dam/campus-facilities-and-amenities/research-fac...0.0 ms86.6 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
/content/dam/campus-facilities-and-amenities/buildings/qu...0.0 ms80.0 KiB
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...300.0 s78.5 KiB
/content/dam/people/_33i7057-2.jpg/jcr:content/renditions...0.0 ms56.1 KiB
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...86400.0 s51.1 KiB
www.redditstatic.com/ads/pixel.js60.0 s19.0 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-co...300.0 s18.1 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-co...300.0 s18.1 KiB
/signals/config/999484440258581?v=2.9.303&r=stable&domain...1200.0 s16.2 KiB
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...86400.0 s33.0 KiB
/etc.clientlibs/core/wcm/components/commons/datalayer/v1/...300.0 s13.8 KiB
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...86400.0 s28.4 KiB
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...86400.0 s27.3 KiB
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...86400.0 s27.1 KiB
static.hotjar.com/c/hotjar-550296.js?sv=660.0 s10.6 KiB
a.quora.com/qevents.js14400.0 s14.7 KiB
www.sydney.edu.au/content/dam/icons/logos/logo-usyd-dark.svg0.0 ms9.1 KiB
snap.licdn.com/li.lms-analytics/insight.min.js86400.0 s18.7 KiB
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...86400.0 s15.2 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-se...300.0 s6.2 KiB
global.ketchcdn.com/web/v3/config/usyd/aem_cws/boot.js1200.0 s4.9 KiB
static.cloud.coveo.com/atomic/v3.13/p-5925f187.js86400.0 s9.0 KiB
static.cloud.coveo.com/atomic/v3.13/atomic.esm.js86400.0 s8.3 KiB
rum.hlx.page/.rum/@adobe/helix-rum-js@%5E2/dist/rum-standalone.js3600.0 s2.8 KiB
/etc.clientlibs/core/wcm/components/commons/site/clientli...300.0 s2.2 KiB
www.sydney.edu.au/content/dam/icons/approved-icons/globe-information.svg0.0 ms1.4 KiB
/maze-universal-loader.js?apiKey=f2ef74be-0be6-42a1-9a6e-...43200.0 s2.7 KiB
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...300.0 s1.1 KiB
www.sydney.edu.au/content/dam/icons/approved-icons/phone.svg0.0 ms972 B
www.sydney.edu.au/content/dam/icons/approved-icons/email.svg0.0 ms929 B
/web/v2/assetsv1/orgs/usyd/1747262815211/test/Main_logo_U...604800.0 s8.5 KiB
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC6ec30b53078c43d...3600.0 s1.1 KiB
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC3173c72fa4e747e...3600.0 s918 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC54cf3d4364ec480...3600.0 s907 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC134e43065b2f496...3600.0 s906 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RCc0a29d25e603480...3600.0 s905 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC87bf996023194ed...3600.0 s873 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC34efade79434433...3600.0 s870 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC93d277c9a28b416...3600.0 s838 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC47ab974a7c6741b...3600.0 s838 B
/rp.gif?ts=1776809421410&id=a2_exvl2if0d6pj&event=PageVis...0.0 ms666 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RCc3d0a05c496f428...3600.0 s798 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RCaaea36a579b1489...3600.0 s796 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RCf117ecd82734430...3600.0 s792 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC1b625d40009d4fd...3600.0 s752 B
/_/ad/c9c67b9edc8a40a685e1d992fc240f40/pixel?j=1&u=https%...0.0 ms531 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC809cdd220e664cb...3600.0 s642 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC65a6261bbd38442...3600.0 s641 B
/config/au/8591b6dc-135e-40a3-942d-31e14f3d2978.js?v=3.55...0.0 ms476 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RCbeb22d694121456...3600.0 s545 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RCea9381b0ac404a0...3600.0 s485 B
/84fa4ed6cd2d/93f43475a61e/1b92f2c336d5/RC0d00f5853e5749c...3600.0 s485 B
/collect?v=2&fmt=js&pid=676212%2C1467722%2C5958316&time=1...0.0 ms271 B
static.cloud.coveo.com/atomic/v3.13/p-e1255160.js86400.0 s602 B
/_/ad/c9c67b9edc8a40a685e1d992fc240f40/pixel?j=1&u=https%...0.0 ms215 B
/tr/?id=552355808300694&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms19 B
/tr/?id=999484440258581&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 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:1.897821] map[node:map[boundingRect:map[bottom:1600 height:866 left:0 right:1350 top:734 width:1350] lhId:page-11-DIV nodeLabel:Find a course Type keywords View all courses Architecture, design and planning … path:1,HTML,1,BODY,6,DIV,0,DIV,0,DIV,0,DIV,2,DIV selector:div#container-81f7da775b > div.cmp-container > div#container-92ff9686dc > div.m-bespoke-layout snippet:<div class="m-bespoke-layout cmp-wrapper-js-bespoke-container cmp-wrapper-bespoke-cont…" data-mounted-on-state="aboveTheFold" data-m-el-mounted="cmp-wrapper-js-bespoke-container" style="--m-bespoke-layout-r-to-l-2-cols-grid-template-areas: &quot;5h4ClOPG-item-1 5h4…;"> type:node] score:0.884043] map[node:map[boundingRect:map[bottom:1600 height:866 left:0 right:1350 top:734 width:1350] lhId:page-11-DIV nodeLabel:Find a course Type keywords View all courses Architecture, design and planning … path:1,HTML,1,BODY,6,DIV,0,DIV,0,DIV,0,DIV,2,DIV selector:div#container-81f7da775b > div.cmp-container > div#container-92ff9686dc > div.m-bespoke-layout snippet:<div class="m-bespoke-layout cmp-wrapper-js-bespoke-container cmp-wrapper-bespoke-cont…" data-mounted-on-state="aboveTheFold" data-m-el-mounted="cmp-wrapper-js-bespoke-container" style="--m-bespoke-layout-r-to-l-2-cols-grid-template-areas: &quot;5h4ClOPG-item-1 5h4…;"> type:node] score:0.667943] map[node:map[boundingRect:map[bottom:1600 height:866 left:0 right:1350 top:734 width:1350] lhId:page-11-DIV nodeLabel:Find a course Type keywords View all courses Architecture, design and planning … path:1,HTML,1,BODY,6,DIV,0,DIV,0,DIV,0,DIV,2,DIV selector:div#container-81f7da775b > div.cmp-container > div#container-92ff9686dc > div.m-bespoke-layout snippet:<div class="m-bespoke-layout cmp-wrapper-js-bespoke-container cmp-wrapper-bespoke-cont…" data-mounted-on-state="aboveTheFold" data-m-el-mounted="cmp-wrapper-js-bespoke-container" style="--m-bespoke-layout-r-to-l-2-cols-grid-template-areas: &quot;5h4ClOPG-item-1 5h4…;"> type:node] score:0.34457] map[score:0.001265]]

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
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...25 ms
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...20 ms
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...20 ms
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...15 ms
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...10 ms
/etc.clientlibs/corporate-commons/clientlibs/foundation/r...10 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:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:43.113 source:map[column:31609 line:94 type:source-location url:https://www.sydney.edu.au/etc.clientlibs/corporate-commons/clientlibs/wup-new-page-corporate-frontend-svelte-js.982a02b02f679df8eafac1b6a6e4fc85.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:41.787 source:map[column:541193 line:93 type:source-location url:https://www.sydney.edu.au/etc.clientlibs/corporate-commons/clientlibs/wup-new-page-corporate-frontend-svelte-js.982a02b02f679df8eafac1b6a6e4fc85.js urlProvider:network]] map[reflowTime:0.688 source:map[column:155866 line:91 type:source-location url:https://www.sydney.edu.au/etc.clientlibs/corporate-commons/clientlibs/wup-new-page-corporate-frontend-svelte-js.982a02b02f679df8eafac1b6a6e4fc85.js urlProvider:network]] map[reflowTime:1.54 source:map[column:273434 line:93 type:source-location url:https://www.sydney.edu.au/etc.clientlibs/corporate-commons/clientlibs/wup-new-page-corporate-frontend-svelte-js.982a02b02f679df8eafac1b6a6e4fc85.js 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.m-component-wrapper > div.m-content-w-image-std > div.m-image > img.m-image__image div.m-component-wrapper > div.m-content-w-image-std > div.m-image > img.m-image__image
/drumline-experiment-cdn/sydney-uni/sydu-027-01/Internati...236.7 KiB217.2 KiB
div.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image div.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image
/drumline-experiment-cdn/sydney-uni/sydu-027-01/Internati...317.4 KiB209.8 KiB
div.m-card > div.m-card__link > div.m-image > img.m-image__image div.m-card > div.m-card__link > div.m-image > img.m-image__image
/content/dam/intranet/images/news-initiatives/news/2016/n...157.5 KiB126.0 KiB
div.m-card > div.m-card__link > div.m-image > img.m-image__image div.m-card > div.m-card__link > div.m-image > img.m-image__image
/content/dam/corporate/images/john-grill-centre/education...149.9 KiB105.3 KiB
div.m-card > div.m-card__link > div.m-image > img.m-image__image div.m-card > div.m-card__link > div.m-image > img.m-image__image
/content/dam/campus-facilities-and-amenities/libraries/_d...100.9 KiB83.0 KiB
div.m-card > div.m-card__link > div.m-image > img.m-image__image div.m-card > div.m-card__link > div.m-image > img.m-image__image
/content/dam/corporate/images/news-and-opinion/news/2026/...99.5 KiB81.9 KiB
div.m-component-wrapper > div.m-hero > div.m-image > img.m-image__image div.m-component-wrapper > div.m-hero > div.m-image > img.m-image__image
storage.googleapis.com/drumline-experiment-cdn/sydney-uni/sydu-027-01/Hero.jpg249.2 KiB71.8 KiB
div.m-card > div.m-card__link > div.m-image > img.m-image__image div.m-card > div.m-card__link > div.m-image > img.m-image__image
/content/dam/campus-facilities-and-amenities/research-fac...86.1 KiB69.8 KiB
div.m-card > div.m-card__link > div.m-image > img.m-image__image div.m-card > div.m-card__link > div.m-image > img.m-image__image
/content/dam/people/_33i7057-2.jpg/jcr:content/renditions...55.5 KiB45.3 KiB
div.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image div.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image
/content/dam/campus-facilities-and-amenities/buildings/qu...79.5 KiB26.9 KiB
div.m-hero__container--landing > div.m-hero > div.m-image > img.m-image__image div.m-hero__container--landing > div.m-hero > div.m-image > img.m-image__image
/content/dam/corporate/ex/images/hero-crop/2026/marine_st...91.5 KiB15.4 KiB

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
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...218.3 KiB948 ms
assets.adobedtm.com/84fa4ed6cd2d/93f43475a61e/launch-a9ab0e6066cc.min.js140.9 KiB840 ms
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...78.5 KiB391 ms
/etc.clientlibs/corporate-commons/clientlibs/corporate-se...6.2 KiB159 ms

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

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: 649 ms
URLTime Spent
sydney.edu.au/649 ms
www.sydney.edu.au/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
Find a course Type keywords View all courses Architecture, design and planning … div#container-81f7da775b > div.cmp-container > div#container-92ff9686dc > div.m-bespoke-layout
0.884
Find a course Type keywords View all courses Architecture, design and planning … div#container-81f7da775b > div.cmp-container > div#container-92ff9686dc > div.m-bespoke-layout
0.668
Find a course Type keywords View all courses Architecture, design and planning … div#container-81f7da775b > div.cmp-container > div#container-92ff9686dc > div.m-bespoke-layout
0.345
0.001

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

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

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: 170 ms 1003.7 KiB
URLTransfer SizeEst Savings
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...254.8 KiB240.2 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-se...214.7 KiB165.4 KiB
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...217.5 KiB150.9 KiB
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js257.0 KiB116.6 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOA.js117.0 KiB63.8 KiB
www.googletagmanager.com/gtag/js?id=DC-14331375179.3 KiB62.1 KiB
www.googletagmanager.com/gtag/js?id=DC-15089914129.4 KiB56.5 KiB
www.googletagmanager.com/gtag/js?id=AW-16460194664138.3 KiB51.1 KiB
/signals/config/552355808300694?v=2.9.303&r=stable&domain...125.0 KiB36.1 KiB
connect.facebook.net/en_US/fbevents.js96.5 KiB32.7 KiB
assets.adobedtm.com/84fa4ed6cd2d/93f43475a61e/launch-a9ab0e6066cc.min.js140.6 KiB28.3 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
Unattributable517 ms105 ms0.0 ms
assets.adobedtm.com/84fa4ed6cd2d/93f43475a61e/launch-a9ab0e6066cc.min.js460 ms397 ms33 ms
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...450 ms255 ms32 ms
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...258 ms174 ms48 ms
www.sydney.edu.au/245 ms56 ms0.5 ms
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js182 ms135 ms40 ms
/signals/config/552355808300694?v=2.9.303&r=stable&domain...103 ms91 ms10 ms
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOA.js97 ms79 ms17 ms
www.googletagmanager.com/gtag/js?id=AW-1646019466474 ms63 ms9.7 ms
www.googletagmanager.com/gtag/js?id=DC-1433137560 ms30 ms30 ms
www.googletagmanager.com/gtag/js?id=DC-1508991452 ms41 ms9.1 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 Evaluation1.8 s
Other476 ms
Script Parsing & Compilation288 ms
Style & Layout178 ms
Parse HTML & CSS98 ms
Garbage Collection86 ms
Rendering35 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 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: 0.0 ms 12.8 KiB
URLTransfer SizeEst Savings
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...78.5 KiB12.8 KiB

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 66.2 KiB
URLTransfer SizeEst Savings
/etc.clientlibs/corporate-commons/clientlibs/corporate-se...214.7 KiB47.6 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-co...17.4 KiB9.3 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-co...17.4 KiB9.3 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: 0.0 ms 18.8 KiB
URLTransfer SizeEst Savings
22.1 KiB18.8 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
/drumline-experiment-cdn/sydney-uni/sydu-027-01/Internati...317.8 KiB
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js257.5 KiB
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...255.5 KiB
storage.googleapis.com/drumline-experiment-cdn/sydney-uni/sydu-027-01/Hero.jpg249.6 KiB
/drumline-experiment-cdn/sydney-uni/sydu-027-01/Internati...237.3 KiB
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...218.3 KiB
/etc.clientlibs/corporate-commons/clientlibs/corporate-se...215.4 KiB
www.googletagmanager.com/gtag/js?id=DC-14331375179.6 KiB
/content/dam/intranet/images/news-initiatives/news/2016/n...158.0 KiB
/content/dam/corporate/images/john-grill-centre/education...150.5 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
University Home header.m-grid > div.m-grid__cell > a.m-logo > img.m-logo__image
www.sydney.edu.au/content/dam/icons/logos/logo-usyd-dark.svg
University of Sydney section.m-content-container > div.m-country-acknowledgement__cell-logo > a.m-logo > img.m-logo__image
www.sydney.edu.au/content/dam/icons/logos/logo-usyd-dark.svg
header-logo div.ketch-items-top > div.ketch-flex > div.ketch-flex > img.ketch-h-auto
/web/v2/assetsv1/orgs/usyd/1747262815211/test/Main_logo_U...
div.m-support-channel__channels > div > div.m-support-channel__channels__title-wrapper > img.m-support-channel__channels__icon div.m-support-channel__channels > div > div.m-support-channel__channels__title-wrapper > img.m-support-channel__channels__icon
www.sydney.edu.au/content/dam/icons/approved-icons/email.svg
div.m-support-channel__channels > div > div.m-support-channel__channels__title-wrapper > img.m-support-channel__channels__icon div.m-support-channel__channels > div > div.m-support-channel__channels__title-wrapper > img.m-support-channel__channels__icon
www.sydney.edu.au/content/dam/icons/approved-icons/globe-information.svg
div.m-support-channel__channels > div > div.m-support-channel__channels__title-wrapper > img.m-support-channel__channels__icon div.m-support-channel__channels > div > div.m-support-channel__channels__title-wrapper > img.m-support-channel__channels__icon
www.sydney.edu.au/content/dam/icons/approved-icons/phone.svg
Group of Eight logo div.m-global-footer__bottom-top-section > div.m-global-footer-logos > a.m-logo > img.m-logo__image
Apru logo div.m-global-footer__bottom-top-section > div.m-global-footer-logos > a.m-logo > img.m-logo__image
Athena Swan logo div.m-global-footer__bottom-top-section > div.m-global-footer-logos > a.m-logo > img.m-logo__image

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

●Optimize DOM size
●LCP breakdown
●LCP request discovery
●Modern HTTP
●Optimize viewport for mobile
●User Timing marks and measures 14 user timings
●Avoid long main-thread tasks 12 long tasks found
●Network Requests
●Network Round Trip Times 170 ms
●Server Backend Latencies 920 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 170 ms
○INP breakdown
○Avoid non-composited animations
85

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
About us div.cmp-teaser-content__cta-holder > div.cmp-teaser-content__cta > a.cmp-button > span.cmp-button__text

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.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image div.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image
div.m-component-wrapper > div.m-content-w-image-std > div.m-image > img.m-image__image div.m-component-wrapper > div.m-content-w-image-std > div.m-image > img.m-image__image

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.m-global-footer__bottom-top-section > div.m-global-footer-social-medias > div.m-global-footer-social-medias__icon-links-container > a.m-link div.m-global-footer__bottom-top-section > div.m-global-footer-social-medias > div.m-global-footer-social-medias__icon-links-container > a.m-link

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.

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 div.m-js-editable-svelte-comp-mounted > div.m-global-desktop-nav > nav.m-utility-nav > a.m-utility-nav__skip-to-content-link

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
Research areas Our breadth of expertise across our faculties and schools is su… div#bespoke-container-f00c8e21c5 > div.m-wrapper-js-card > div.m-card > div.m-card__link
Research centres With more than 150 research centres and networks, we are one … div#bespoke-container-f00c8e21c5 > div.m-wrapper-js-card > div.m-card > div.m-card__link
Find a researcher Our academics are leaders in their fields, publishing thousa… div#bespoke-container-f00c8e21c5 > div.m-wrapper-js-card > div.m-card > div.m-card__link
Google backs digital frontiers research at University of Sydney Six University … div#bespoke-container-9773b6dc19 > div.m-wrapper-js-card > div.m-card > div.m-card__link
University of Sydney ranks 10 disciplines in global top 25 With 10 subjects ran… div#bespoke-container-9773b6dc19 > div.m-wrapper-js-card > div.m-card > div.m-card__link
Snow Fellowship awarded to University of Sydney researcher A University of Sydn… div#bespoke-container-9773b6dc19 > div.m-wrapper-js-card > div.m-card > div.m-card__link
Contact regional experts div.m-support-channel__channels > div > div.m-support-channel__cta > a.cmp-button
○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
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●`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
●`<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
●Touch targets have sufficient size and spacing.
●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
○`<frame>` or `<iframe>` elements have a title
○`<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.
81

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
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
line 104, col 6
AttributionReporting
snap.licdn.com/li.lms-analytics/insight.min.js
Unload event listeners are deprecated and will be removed.
hm.baidu.com/hm.js?1426d6da699eb30a7515d65930a0dbff line 1, col 274

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
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...
/etc.clientlibs/corporate-commons/clientlibs/wup-new-page...
/etc.clientlibs/corporate-commons/clientlibs/corporate-se...
/etc.clientlibs/core/wcm/components/commons/datalayer/v1/.../etc.clientlibs/core/wcm/components/commons/datalayer/v1/...
static.cloud.coveo.com/atomic/v3.13/p-e1255160.jsstatic.cloud.coveo.com/atomic/v3.13/p-e1255160.js.map
static.cloud.coveo.com/atomic/v3.13/p-5925f187.jsstatic.cloud.coveo.com/atomic/v3.13/p-5925f187.js.map
static.cloud.coveo.com/atomic/v3.13/atomic.esm.jsstatic.cloud.coveo.com/atomic/v3.13/atomic.esm.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
●No browser errors logged to the console
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate clickjacking with XFO or CSP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
○Redirects HTTP traffic to HTTPS
85

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.

Content Best Practices

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.sydney.edu.au/study.htmlLearn more
/about-us/vision-and-values/our-aboriginal-and-torres-str...Learn more

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.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image div.m-content-w-bleed-image > div.m-content-w-bleed-image__image-container > div.m-image > img.m-image__image
div.m-component-wrapper > div.m-content-w-image-std > div.m-image > img.m-image__image div.m-component-wrapper > div.m-content-w-image-std > div.m-image > img.m-image__image

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 are crawlable
●robots.txt is valid
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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