Lighthouse Mobile
· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.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.
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
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.
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.
Performance issues directly impact user engagement and conversion rates.
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
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.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
The ‘never sell’ investor: What capital gains change will mean for your tax bill article.storyblock > a.storyblock_image_link > div.responsive-img > img.responsive-img_img | content.api.news/v3/images/bin/5d8b61c1aa2c9fe6946bb7025badfcb0?width=1024 | 152.8 KiB | 112.3 KiB |
The five genuine flag threats in 2026 — and who you can rule out article.storyblock > a.storyblock_image_link > div.responsive-img > img.responsive-img_img | content.api.news/v3/images/bin/4fc145aa47d0440dd85428972551a581?width=1024 | 101.2 KiB | 60.7 KiB |
Jobe, Bevo and a billionaire: Inside unlikely trio’s lunch date article.storyblock > a.storyblock_image_link > div.responsive-img > img.responsive-img_img | content.api.news/v3/images/bin/5514d47ea1920e02cef20ce939d2cffd?width=1024 | 86.4 KiB | 49.9 KiB |
‘Bullying and gossip-mongering’: Former private principal reveals toxic school … article.storyblock > a.storyblock_image_link > div.responsive-img > img.responsive-img_img | content.api.news/v3/images/bin/4edf20ed44e1534526e0021dc1d9c06f?width=320 | 21.3 KiB | 8.8 KiB |
Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Time Spent |
|---|---|
| www.heraldsun.com.au/?nk=c09edc2a45c4d3e9172e1d91bf49b0e5-1776894563 | 3.2 s |
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.
Performance issues directly impact user engagement and conversion rates.
Diagnostics
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.
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
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 13.1 s |
| Other | 10.4 s |
| Style & Layout | 4.0 s |
| Rendering | 3.0 s |
| Script Parsing & Compilation | 1.4 s |
| Garbage Collection | 376 ms |
| Parse HTML & CSS | 261 ms |
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| /wp-content/themes/newscorpau-news-dna/dist/stylesheets/c... | 32.2 KiB | 25.7 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.
Performance issues directly impact user engagement and conversion rates.
Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.
Performance issues directly impact user engagement and conversion rates.
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-link > img div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-link > img | /cs/ts2020/assets/images/sport-images/logo/codesports-ter... |
More information about the performance of your application. These numbers don't directly affect the Performance score.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
11 minutes ago div.defcon-wrapper > article.storyblock > span.storyblock_meta > time.storyblock_datetime |
26 minutes ago div.mosaic_list > article.storyblock > span.storyblock_meta > time.storyblock_datetime |
7 minutes ago div.defcon-wrapper > article.storyblock > span.storyblock_meta > time.storyblock_datetime |
14 minutes ago div.defcon-wrapper > article.storyblock > span.storyblock_meta > time.storyblock_datetime |
An hour ago div.mosaic_list > article.storyblock > span.storyblock_meta > time.storyblock_datetime |
These are opportunities to improve the legibility of your content.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
The five genuine flag threats in 2026 — and who you can rule out div.mosaic > div.defcon-wrapper > article.storyblock > h3.storyblock_title |
These are opportunities to improve keyboard navigation in your application.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-link > img div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-link > 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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.indies-sport-scoreboard-tools > div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-link div.indies-sport-scoreboard-tools > div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-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.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
AFL div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Opinion div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Australian Economy div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Alec Renehan div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
QLD Education div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Sleep div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Victoria div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
AFL div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Melbourne div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Victoria div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Ageing div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Opinion div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
NSW div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
Victoria div.defcon-wrapper > article.storyblock > span.storyblock_meta > a.storyblock_section |
North div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Goulburn Valley div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Mildura div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Leader div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Follow div.mosaic-heading > div.mosaic-heading_meta > div.c3po-button-placeholder > button.btn |
Greater Geelong div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Greater Geelong div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Melbourne div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
National div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Movies div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Entertainment div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Fashion div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Confidential div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Arts div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
News div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
News div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
Health div.mosaic_list > article.storyblock > span.storyblock_meta > a.storyblock_section |
SuperCoach loophole fail! div.videos > article.storyblock > h3.storyblock_title > a.storyblock_title_link |
Footy’s Falcon of the Year div.videos > article.storyblock > h3.storyblock_title > a.storyblock_title_link |
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html.touch html.touch |
These items highlight common accessibility best practices.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
00:48 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:51 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:14 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:11 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
01:26 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:59 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
01:20 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
01:36 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:31 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:31 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
01:12 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
02:43 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:42 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:43 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:51 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
00:17 div.video-list-wrap > div.videos > article.storyblock > a.storyblock_image_link |
Best Practices
General
Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.
Performance issues directly impact user engagement and conversion rates.
| Deprecation / Warning | Source |
|---|---|
| AttributionReporting | |
| Topics | tags.news.com.au/prod/prebid/prebid.js line 60, col 1147 |
| SharedStorage | /pagead/managed/js/activeview/current/ufs_web_display.js line 252, col 234 |
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
Performance issues directly impact user engagement and conversion rates.
| Source | Description |
|---|---|
tags.tiqcdn.com/utag/newsltd/hwt/prod/utag.sync.js line 1, col 306 | [ERROR][UserMemtype] General error while fetching user data [object Object] |
Framing 'https://login.newscorpaustralia.com/' violates the following report-only Content Security Policy directive: "frame-ancestors 'self'". The violation has been logged, but no further action has been taken.
| |
www.heraldsun.com.au/ line 613, col 8 | TypeError: Cannot read properties of undefined (reading 'setLocaleData')
at https://www.heraldsun.com.au/:614:9 |
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.
Performance issues directly impact user engagement and conversion rates.
| Issue type |
|---|
| Content security policy |
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 are unable to include your pages in search results if they don't have permission to crawl them. Learn more about crawler directives.
Performance issues directly impact user engagement and conversion rates.
| Blocking Directive Source |
|---|
https://www.heraldsun.com.au/robots.txt |
If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.
Performance issues directly impact user engagement and conversion rates.
| Line # | Content | Error |
|---|---|---|
| 102 | ========================== | Syntax not understood |
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-link > img div.indies-sport-scoreboard-sponsor > div.codelib-sponsor-logo > a.codelib-sponsor-logo-link > img |
Format your HTML in a way that enables crawlers to better understand your app’s content.