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Lighthouse Desktop

· 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.

69

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.

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.

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:118.803 source:map[column:179906 line:1 type:source-location url:https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.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:114.886 source:map[type:text value:[unattributed]]] map[reflowTime:63.54 source:map[column:88328 line:0 type:source-location url:https://www.abc.net.au/news-web/_next/static/chunks/9572-a23ebc6ed50a2ee2.js urlProvider:network]] map[reflowTime:35.759 source:map[column:42385 line:3 type:source-location url:https://www.abc.net.au/news-web/_next/static/chunks/pages/_app-ee0c3be25bf60a06.js urlProvider:network]] map[reflowTime:0.585 source:map[column:69327 line:0 type:source-location url:https://www.abc.net.au/news-web/_next/static/chunks/9572-a23ebc6ed50a2ee2.js urlProvider:network]] map[reflowTime:18.919 source:map[column:89065 line:0 type:source-location url:https://www.abc.net.au/news-web/_next/static/chunks/9572-a23ebc6ed50a2ee2.js urlProvider:network]] map[reflowTime:37.666 source:map[column:58035 line:2 type:source-location url:https://www.abc.net.au/news-web/_next/static/chunks/pages/_app-ee0c3be25bf60a06.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
graphic of two schooners of beer against a red background decorated with Chines… div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/1f14c5f4736520f9a6d94d3cd4cf29ea?impolicy=wcms_crop_resi...142.0 KiB129.6 KiB
A large waterfall in Costa Rica. div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/241452aae954b1003f916422bc7f5f93?impolicy=wcms_crop_resi...119.2 KiB106.7 KiB
Two smiling First Nations men wearing loud, collared short-sleeve shirts in a t… div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/9778e7f37780b5f3d6b98f39c2a7c28d?impolicy=wcms_crop_resi...101.8 KiB89.4 KiB
A man rides a motorbike past a billboard advertising 'Islamabad talks' div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/373b5ecf4cfc7383571bf11cdc664926?impolicy=wcms_crop_resi...62.6 KiB52.9 KiB
An AI-generated image of legend characters. div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/83de8c0869eb7a0a3e6b2632e90551e5?impolicy=wcms_crop_resi...58.5 KiB48.0 KiB
Man wearing a suit and holding a certificate. div.ForYouCard_panelWrapper__WnNA1 > div.Panel_root__dh8kN > div.Panel_content__qJqjK > img.Image_image__5tFYM
/791ef9eb3b514d53227da10938d9e5d2?impolicy=wcms_crop_resi...55.4 KiB47.7 KiB
A night view of the Serena Hotel in Islamabad div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/b1bee9d0c91323e42037a98f5fcef10a?impolicy=wcms_crop_resi...56.4 KiB47.7 KiB
Vance and Sharif div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/5f90d326bccd662a694ef4bf7fbc6e6e?impolicy=wcms_crop_resi...52.9 KiB44.8 KiB
Two people sitting in front of the screens displaying a TV show scene. div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/0b3908abdb1132d0218f3eb36527c1c1?impolicy=wcms_crop_resi...52.2 KiB43.5 KiB
A young man in a hospuital bed giving two thumbs up. div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/622d96d934b1b3c2bd29007813d4f639?impolicy=wcms_crop_resi...45.4 KiB38.4 KiB
Grace Jarvis smiles while holding a mic and talking on stage. div.ForYouCard_panelWrapper__WnNA1 > div.Panel_root__dh8kN > div.Panel_content__qJqjK > img.Image_image__5tFYM
/71d1538d61fa830712f455df37be2233?impolicy=wcms_crop_resi...36.6 KiB31.5 KiB
A laptop with an AI-generated image of a man with a mask. div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/a079ee7eb35c30640e0effb04b64d8ee?impolicy=wcms_crop_resi...37.1 KiB29.3 KiB
A shirtless man falling sideways through the air. div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
/77f27b6921879c80016d36966b423a21?impolicy=wcms_crop_resi...31.4 KiB26.5 KiB
Tom Gleeson on the set of Hard Quiz gesturing behind him with a serious express… div.ForYouCard_panelWrapper__WnNA1 > div.Panel_root__dh8kN > div.Panel_content__qJqjK > img.Image_image__5tFYM
/f708552c73235e57ab7e64fd2d6f6ce0?impolicy=wcms_crop_resi...28.8 KiB24.8 KiB
Trump gestures with open palms as he speaks div.ForYouCard_panelWrapper__WnNA1 > div.Panel_root__dh8kN > div.Panel_content__qJqjK > img.Image_image__5tFYM
/c49a57e4a8c3cc4a21e93697c195fd69?impolicy=wcms_crop_resi...20.7 KiB17.8 KiB
Graphic of football stadium with text "All Footy, All Season. Download the ABC … aside > a.MarketingBanner_link__7X_0s > picture.MarketingBanner_picture___o3SC > img.Image_image__5tFYM
/f52a9c8997cac3fe895645d47ef4f419?impolicy=wcms_crop_resi...48.0 KiB10.3 KiB
Tim Swanston wearing a white shirt stands in front of a camera. span.Tag_container__7_5W6 > a.Tag_link__PE2t9 > div.Avatar_avatarSize24__Q0Lly > img.Tag_avatarImage__DnPg8
/96b23d5baf770bb985eba9de115cd552?impolicy=wcms_crop_resi...9.2 KiB9.1 KiB
Boxes full of fruit and vegetables. div.Thumbnail_mediaThumbnail__U4Q53 > div.ContentImage_ratio__0yYeG > div.AspectRatio_container__FC_XH > img.Image_image__5tFYM
/2ca8e6519300648763d4758a03f45553?impolicy=wcms_crop_resi...7.9 KiB7.0 KiB
NRl players standing behind the goal-line, watching a conversion div.GridLayout_imageContainer__IllQK > a.Link_link__kR0xA > div.Thumbnail_mediaThumbnail__U4Q53 > img.Image_image__5tFYM
/6d9c4fd08fad1bbda3836d24195cc2b5?impolicy=wcms_crop_resi...8.2 KiB6.5 KiB
One man stands in front of palm trees while another man looks at the camera whi… div.GridLayout_imageContainer__IllQK > a.Link_link__kR0xA > div.Thumbnail_mediaThumbnail__U4Q53 > img.Image_image__5tFYM
/df03f9a6afad2be5861d1dc79b67f4fc?impolicy=wcms_crop_resi...7.4 KiB5.7 KiB
Anthony sits in a camp chair and reads a book outside his van. div.Thumbnail_mediaThumbnail__U4Q53 > div.ContentImage_ratio__0yYeG > div.AspectRatio_container__FC_XH > img.Image_image__5tFYM
/7cdd530c47ac0f7be5d6e3291f133b59?impolicy=wcms_crop_resi...5.7 KiB4.9 KiB
David "The Bullet" Smith being shot out of a cannon at the 2026 Sydney Royal Ea… div.VideoPlayer_cardImage__AlMRl > div.ContentImage_ratio__0yYeG > div.AspectRatio_container__FC_XH > img.Image_image__5tFYM
/31a3fff3eb884f942056a111897a548a?impolicy=wcms_crop_resi...5.3 KiB4.5 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-7-IMG
nodeLabel: Vance and Sharif
path: 1,HTML,1,BODY,32,DIV,1,DIV,0,DIV,0,DIV,0,DIV,4,MAIN,2,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,2,DIV,0,DIV,0,DIV,0,DIV,0,A,0,IMG
selector: div.RichCard_images__IXYVV > div.RichCard_imageWrapper__owWPQ > a.Link_link__kR0xA > img.Image_image__5tFYM
snippet: <img alt="Vance and Sharif" width="862" height="485" class="Image_image__5tFYM RichCard_image__Hg3r9 RichCard_imageTransition__d9DSF" sizes="(max-width:767px) 485px, 575px" loading="lazy" data-component="Image" srcset="https://live-production.wcms.abc-cdn.net.au/5f90d326bccd662a694ef4bf7fbc6e…" src="https://live-production.wcms.abc-cdn.net.au/5f90d326bccd662a694ef4bf7fbc6e…" pinger-seen="true">

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.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.
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
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

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

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.

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.

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.

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 Evaluation1.3 s
Style & Layout347 ms
Other338 ms
Script Parsing & Compilation138 ms
Rendering58 ms
Parse HTML & CSS38 ms
Garbage Collection33 ms

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
Graphic of football stadium with text "All Footy, All Season. Download the ABC … aside > a.MarketingBanner_link__7X_0s > picture.MarketingBanner_picture___o3SC > img.Image_image__5tFYM
/f52a9c8997cac3fe895645d47ef4f419?impolicy=wcms_crop_resi...
Andrea Lam, Guy Sebastian and Amanda Keller are shown walking on piano keys. St… aside > a.MarketingBanner_link__7X_0s > picture.MarketingBanner_picture___o3SC > img.Image_image__5tFYM
/a1ffb46c9f8131ac3d080040b8924393?impolicy=wcms_crop_resi...

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

Layout shift culprits
Document request latency
Optimize DOM size
LCP breakdown
Modern HTTP
Render blocking requests
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 4 user timings
JavaScript execution time 1.2 s
Avoid long main-thread tasks 7 long tasks found
Avoid non-composited animations 1 animated element found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 100 ms
Server Backend Latencies 840 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Avoid multiple page redirects
Initial server response time was short Root document took 20 ms
Avoid large layout shifts 2 layout shifts found
INP breakdown
99

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.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Vance says no deal struck with Iran after 21 hours of negotiations — as it happ… article.GridLayout_grid__5B6V1 > div.GridLayout_contentContainer__1_UGG > div.GenericCard_headingContainer__NAPsW > h5.Typography_base__sj2RP
Is sitting with your legs crossed actually bad for you? article.GridLayout_grid__5B6V1 > div.GridLayout_contentContainer__1_UGG > div.GenericCard_headingContainer__NAPsW > h5.Typography_base__sj2RP

These are opportunities to improve keyboard navigation in your application.

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
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[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
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
`[lang]` attributes have a valid value
Skip links are focusable.
Document has a main landmark.
Deprecated ARIA roles were not used
ARIA IDs are unique
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
`[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
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.
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.
`<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.
Identical links have the same purpose.
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.
96

Best Practices

General

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
Error: Minified React error #418; visit https://react.dev/errors/418?args[]=text&args[]= for the full message or use the non-minified dev environment for full errors and additional helpful warnings. at rR (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:35005) at rD (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:36038) at https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:119530 at uC (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:124402) at uS (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:116190) at https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:115974 at uw (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:115982) at uc (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:111357) at uZ (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:134495) at MessagePort.N (https://www.abc.net.au/news-web/_next/static/chunks/framework-4a602498427f98ac.js:1:180145)

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.

Uses HTTPS
Avoids deprecated APIs
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 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 DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
92

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.abc.net.au/news/topic/iran-islamic-republic-ofSee 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`

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