Lighthouse Desktop

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

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

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.

Request	Cache TTL	Transfer Size
/signals/config/886817019847655?v=2.9.303&r=stable&domain...	1200.0 s	128.7 KiB
connect.facebook.net/en_US/fbevents.js	1200.0 s	96.6 KiB
www.uow.edu.au/assets/styles/uow/app.min.css?v=335.0	3600.0 s	100.9 KiB
www.uow.edu.au/assets/scripts/uow/app.js?v=143.0	3600.0 s	76.6 KiB
www.uow.edu.au/assets/scripts/uow/jquery-3.7.1.min.js?v=2.0	3600.0 s	30.3 KiB
www.redditstatic.com/ads/pixel.js	60.0 s	19.0 KiB
/signals/config/683644490930120?v=2.9.303&r=stable&domain...	1200.0 s	18.1 KiB
siteimproveanalytics.com/js/siteanalyze_13656.js	86400.0 s	21.3 KiB
pixel.byspotify.com/ping.min.js	3600.0 s	10.3 KiB
tags.srv.stackadapt.com/events.js	5.0 s	7.7 KiB
campaign.grcrm.uow.edu.au/js/frs-next.js	0.0 ms	5.3 KiB
munchkin.marketo.net/munchkin.js	0.0 ms	1.2 KiB
www.uow.edu.au/assets/logos/footer/2023-26_AWEI_Badge_BronzeEmployer-stacked.png	604800.0 s	11.5 KiB
www.uow.edu.au/assets/logos/logo-svgs/logo-white.svg	604800.0 s	10.4 KiB
www.uow.edu.au/assets/logos/logo-svgs/logo.svg	604800.0 s	10.2 KiB
www.uow.edu.au/assets/logos/footer/BFW-accredited-logo-v2.png	604800.0 s	10.0 KiB
www.uow.edu.au/assets/logos/footer/Reconciliation-Action-Plan---Innovate.png	604800.0 s	9.6 KiB
/rp.gif?ts=1776897240875&id=a2_gubukmgrn7x9&event=PageVis...	0.0 ms	666 B
www.uow.edu.au/assets/logos/footer/408edace.svg	604800.0 s	1.5 KiB
www.uow.edu.au/assets/logos/footer/08de8298.svg	604800.0 s	815 B
/tr/?id=886817019847655&ev=PageView&dl=https%3A%2F%2Fwww....	0.0 ms	19 B
/tr/?id=683644490930120&ev=PageView&dl=https%3A%2F%2Fwww....	0.0 ms	16 B

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.

URL	Est Savings
fonts.gstatic.com/s/montserrat/v31/JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2	35 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:49.287 source:map[type:text value:[unattributed]]] map[reflowTime:1.104 source:map[column:50335 line:1 type:source-location url:https://www.uow.edu.au/assets/scripts/uow/jquery-3.7.1.min.js?v=2.0 urlProvider:network]] map[reflowTime:0.226 source:map[column:50393 line:1 type:source-location url:https://www.uow.edu.au/assets/scripts/uow/jquery-3.7.1.min.js?v=2.0 urlProvider:network]] map[reflowTime:0.147 source:map[column:50457 line:1 type:source-location url:https://www.uow.edu.au/assets/scripts/uow/jquery-3.7.1.min.js?v=2.0 urlProvider:network]]]

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]

items: [map[duration:2347.852 label:Time to first byte subpart:timeToFirstByte] map[duration:7.531 label:Resource load delay subpart:resourceLoadDelay] map[duration:938.49 label:Resource load duration subpart:resourceLoadDuration] map[duration:180.024 label:Element render delay subpart:elementRenderDelay]]

lhId: page-0-IMG

nodeLabel: UOW ranked 6th in the world for Philosophy, 36th for Nursing

path: 1,HTML,2,BODY,7,DIV,7,MAIN,5,DIV,2,DIV,0,DIV,0,PICTURE,4,IMG

selector: div.slider__slides > div#slide-1 > picture > img

snippet: <img src="https://pxl-uoweduau.terminalfour.net/fit-in/1600x900/filters:quality(65)/…" alt="UOW ranked 6th in the world for Philosophy, 36th for Nursing">

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-0-IMG

nodeLabel: UOW ranked 6th in the world for Philosophy, 36th for Nursing

path: 1,HTML,2,BODY,7,DIV,7,MAIN,5,DIV,2,DIV,0,DIV,0,PICTURE,4,IMG

selector: div.slider__slides > div#slide-1 > picture > img

snippet: <img src="https://pxl-uoweduau.terminalfour.net/fit-in/1600x900/filters:quality(65)/…" alt="UOW ranked 6th in the world for Philosophy, 36th for Nursing">

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

value: No additional origins are good candidates for preconnecting

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.

URL	Transfer Size	Duration
www.uow.edu.au/assets/styles/uow/app.min.css?v=335.0	100.9 KiB	1.0 s
www.uow.edu.au/assets/scripts/uow/jquery-3.7.1.min.js?v=2.0	30.3 KiB
fonts.googleapis.com/css?family=Montserrat:400,500,600,700	1.1 KiB	280 ms

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.

	URL	Resource Size	Est Savings
div.swiper-slide > a.uw-story > div.uw-story--image > div.uw-story--image-bg `div.swiper-slide > a.uw-story > div.uw-story--image > div.uw-story--image-bg`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...	68.4 KiB	35.6 KiB
Your guide to the new UOW Liverpool campus `div.slider__slides > div#slide-3 > picture > img`	/fit-in/1600x900/filters:quality(65)/filters:format(webp)...	117.8 KiB	33.9 KiB
Register for a UOW Information Evening `div.slider__slides > div#slide-2 > picture > img`	/fit-in/1600x900/filters:quality(65)/filters:format(webp)...	106.4 KiB	30.7 KiB
div.page > a > picture > img `div.page > a > picture > img`	/fit-in/900x506/filters:quality(65):format(webp)/prod01/c...	33.9 KiB	27.7 KiB
div.cell > a.image-link > picture > img `div.cell > a.image-link > picture > img`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...	41.0 KiB	27.6 KiB
div.page > a > picture > img `div.page > a > picture > img`	/fit-in/900x506/filters:quality(65):format(webp)/prod01/c...	31.4 KiB	25.7 KiB
div.cell > a.image-link > picture > img `div.cell > a.image-link > picture > img`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...	29.8 KiB	17.6 KiB
UOW ranked 6th in the world for Philosophy, 36th for Nursing `div.slider__slides > div#slide-1 > picture > img`	/fit-in/1600x900/filters:quality(65)/filters:format(webp)...	48.9 KiB	14.1 KiB
div.swiper-slide > a.uw-story > div.uw-story--image > div.uw-story--image-bg `div.swiper-slide > a.uw-story > div.uw-story--image > div.uw-story--image-bg`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...	43.4 KiB	10.5 KiB
div.swiper-slide > a.uw-story > div.uw-story--image > div.uw-story--image-bg `div.swiper-slide > a.uw-story > div.uw-story--image > div.uw-story--image-bg`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...	39.0 KiB	6.1 KiB

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: 1.0 s

URL	Time Spent
uow.edu.au/	1.0 s
www.uow.edu.au/	0.0 ms

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 504 ms

URL	Time Spent
www.uow.edu.au/	604 ms

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

Diagnostics

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: 310 ms 92.3 KiB

URL	Transfer Size	Est Savings
www.uow.edu.au/assets/styles/uow/app.min.css?v=335.0	100.3 KiB	92.3 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: 0.0 ms 685.1 KiB

URL	Transfer Size	Est Savings
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwOQ.js	120.9 KiB	92.9 KiB
www.googletagmanager.com/gtag/js?id=G-WBB0LFC35B&cx=c&gtm=4e64k0	169.1 KiB	68.1 KiB
www.googletagmanager.com/gtag/js?id=G-4147908&cx=c&gtm=4e64k0	136.6 KiB	65.2 KiB
www.googletagmanager.com/gtag/js?id=G-W22009YZW9&cx=c&gtm=4e64k0	143.9 KiB	64.3 KiB
www.googletagmanager.com/gtag/js?id=G-MNMGFMFX2D&cx=c&gtm=4e64k0	166.0 KiB	62.2 KiB
www.googletagmanager.com/gtag/js?id=AW-11453275015&cx=c&gtm=4e64k0	144.3 KiB	61.7 KiB
www.uow.edu.au/assets/scripts/uow/app.js?v=143.0	76.0 KiB	60.6 KiB
www.googletagmanager.com/gtm.js?id=GTM-TNGXT9W	186.0 KiB	60.2 KiB
analytics.tiktok.com/i18n/pixel/static/main.MWE0ZWQ3ZWQwMA.js	105.2 KiB	53.9 KiB
/signals/config/886817019847655?v=2.9.303&r=stable&domain...	128.6 KiB	36.9 KiB
connect.facebook.net/en_US/fbevents.js	96.5 KiB	32.9 KiB
cdn.jsdelivr.net/npm/foundation-sites@6.5.2/dist/js/foundation.min.js	35.9 KiB	26.3 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
div.cell > a > picture > img `div.cell > a > picture > img`	/fit-in/900x506/filters:quality(65):format(webp)/prod01/c...
Reconciliation Action plan, Innovate logo `ul.footer-logos > li > a.external_link > img`	www.uow.edu.au/assets/logos/footer/Reconciliation-Action-Plan---Innovate.png
div.page > a > picture > img `div.page > a > picture > img`	/fit-in/900x506/filters:quality(65):format(webp)/prod01/c...
div.page > a > picture > img `div.page > a > picture > img`	/fit-in/900x506/filters:quality(65):format(webp)/prod01/c...
div.cell > a.image-link > picture > img `div.cell > a.image-link > picture > img`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...
div.cell > a.image-link > picture > img `div.cell > a.image-link > picture > img`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...
div.cell > a.image-link > picture > img `div.cell > a.image-link > picture > img`	/fit-in/600x337/filters:quality(65):format(webp)/prod01/c...
Study Accounting, Finance or Economics `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Acc...
Business, Management and Marketing `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Bus...
Communications and Media `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Com...
Computer Science and Information Technology `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Com...
Creative and Performing Arts `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Cre...
Study Education `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Edu...
Engineering `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Eng...
Environmental and Biological Sciences `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Env...
Study Health `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Hea...
Study Humanities and Human Inquiry `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Hum...
Law `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Law...
Literature and Language `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Lit...
Maths, Physics and Chemistry `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Mat...
Study Medical Science `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Med...
Study Nursing `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Nur...
Psychology and Human Behaviour `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Psy...
Study Social Sciences and Advocacy `div.grid-x > div.cell > a > img`	/prod01/channel_3/assets/logos/icons/2021-study-areas/Soc...
Breastfeeding friendly workplace. Accredited by the Australian Breastfeeding As… `ul.footer-logos > li > a.external_link > img`	www.uow.edu.au/assets/logos/footer/BFW-accredited-logo-v2.png
University of Wollongong Australia logo `div.uw-header-container > a > picture.uw-header-logo > img`	www.uow.edu.au/assets/logos/logo-svgs/logo-white.svg
Australian LGBTQ inclusion awards 2023-2026. AWIE Bronze Employer logo `ul.footer-logos > li > a.external_link > img`	www.uow.edu.au/assets/logos/footer/2023-26_AWEI_Badge_BronzeEmployer-stacked.png
LinkedIn `ul > li > a.external_link > img`	/prod01/channel_3/assets/logos/social-icons/icon-linkedin...
Conversation `ul > li > a.external_link > img`	/prod01/channel_3/assets/logos/social-icons/icon-conversa...
Facebook `ul > li > a.external_link > img`	/prod01/channel_3/assets/logos/social-icons/icon-facebook...
X - formerly known as twitter `ul > li > a.external_link > img`	/prod01/channel_3/assets/logos/social-icons/icon-twitter-...
Instagram `ul > li > a.external_link > img`	/prod01/channel_3/assets/logos/social-icons/icon-instagra...
YouTube `ul > li > a.external_link > img`	/prod01/channel_3/assets/logos/social-icons/icon-youtube-...

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

●Max Potential First Input Delay 80 ms

●Layout shift culprits

●Optimize DOM size

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●Avoids enormous network payloads Total size was 2,547 KiB

●User Timing marks and measures 20 user timings

●JavaScript execution time 0.6 s

●Minimizes main-thread work 1.2 s

●Avoid long main-thread tasks 7 long tasks found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 300 ms

●Server Backend Latencies 510 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Avoid large layout shifts 1 layout shift found

○INP breakdown

○Avoid non-composited animations

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.

ARIA

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Slide 1 of 3 `main#main-content > div.slider > div.slider__pagination > a.active-slide`
Slide 2 of 3 `main#main-content > div.slider > div.slider__pagination > a`
Slide 3 of 3 `main#main-content > div.slider > div.slider__pagination > a`

These are opportunities to improve the usage of ARIA in your application which 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 CONTENT `body.home > a.skip-link`
We use cookies to improve your experience on our site and to show you personali… `body.home > div.cookies-notice > div > div.notice`
privacy policy and cookie policy `div > div.notice > p > a.t4-tag-content-item`
OK, THANKS `div.cookies-notice > div > div > button.button`
Home - University of Wollongong Australia logo `div.site-container > header.uw-header > div.uw-header-container > a`
SEARCH `nav.uw-top-menu > ul.top-menu > li > button.btn-search`

These are opportunities to improve keyboard navigation in your application.

Best practices

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
MORE NEWS `div.grid-container > div.uw-latest-items--main > div.uw-latest-items--link > a.item-link`
MORE NEWS `div.uw-latest-items--main > div.uw-latest-items--link > a.item-link > button.uw-button-red`

These items highlight common accessibility best practices.

○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-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

●Image elements have `[alt]` attributes

●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.

●ARIA attributes are used as specified for the element's role

●`[aria-hidden="true"]` elements do not contain focusable descendents

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●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.

●Links have a discernible name

●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

●Uses ARIA roles only on compatible elements

●Image elements do not have `[alt]` attributes that are redundant text.

●Identical links have the same purpose.

●Elements with visible text labels have matching accessible names.

○`[accesskey]` values are unique

○`button`, `link`, and `menuitem` elements have accessible names

○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

○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.

○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.

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 / Warning	Source
AttributionReporting	connect.facebook.net/en_US/fbevents.js line 279, col 769

●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

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

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 destination	Link Text
/media/2026/uow-ranks-6th-in-the-world-for-philosophy-in-...	LEARN MORE
future-students-events.uow.edu.au/Info-Nights-2026	LEARN MORE
www.uow.edu.au/the-stand/2026/your-guide-to-the-new-uow-liverpool-campus.php	LEARN MORE

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

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`