Lighthouse Desktop
· 0 checks — Desktop 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.
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Est Savings |
|---|---|
| fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 | 55 ms |
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
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.
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Duration |
|---|---|---|
| cdn.sphlabs.com/suid/suid.min.js | 0 B | 230 ms |
| www.straitstimes.com/assets/root-CrwsbqOS.css | 0 B | |
| www.straitstimes.com/assets/Header-CmWDWjLt.css | 0 B |
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.
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.
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.
Performance issues directly impact user engagement and conversion rates.
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
Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| static.idp.sph.com.sg/mySPH-lightbox/4.x.x/js/mySPH.js | 200.9 KiB | 48.2 KiB |
| static.idp.sph.com.sg/mySPH-lightbox/4.x.x/js/chunks/slo-DqbJY3hR.js | 54.8 KiB | 13.7 KiB |
| static.idp.sph.com.sg/mySPH-lightbox/4.x.x/js/chunks/shared-DZldSxg-.js | 54.6 KiB | 13.6 KiB |
| www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js | 26.2 KiB | 13.2 KiB |
| static.idp.sph.com.sg/mySPH-lightbox/4.x.x/js/chunks/vendor-T5xokiH6.js | 40.2 KiB | 11.6 KiB |
| cdp.sph.com.sg/activation/activation.js | 16.4 KiB | 6.1 KiB |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
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 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 | 5.1 s |
| Other | 948 ms |
| Script Parsing & Compilation | 885 ms |
| Style & Layout | 335 ms |
| Garbage Collection | 181 ms |
| Rendering | 107 ms |
| Parse HTML & CSS | 106 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
Performance issues directly impact user engagement and conversion rates.
| Failure reason | Failure 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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap | 90.7 KiB | 9.5 KiB |
| .react-tel-input { font-family: Roboto, sans-serif; font-size: 15px; position: relative; … } … | 32.2 KiB | 2.7 KiB |
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| .react-tel-input { font-family: Roboto, sans-serif; font-size: 15px; position: relative; … } … | 32.2 KiB | 32.2 KiB |
| .fc-consent-root .fc-dialog-container.fc-fullscreen { height: 100% !important; … } … | 16.3 KiB | 14.0 KiB |
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 | |
|---|---|
Subscribe Placeholder div#footer-body > div.text-left > a.flex > img.footer-subscribe-image | www.straitstimes.com/assets/subscribe-placeholder-CAZVQ3f8.png |
About 275 departing flights were screened during between midnight and 3pm on Ap… div > div.flex > picture > img.aspect-landscape | /image/straitstimes/ebc747dd786c245d8baa9d6d862947205858f... |
div > div.flex > picture > img.aspect-landscape div > div.flex > picture > img.aspect-landscape | /image/straitstimes/64fa395b26bd44db2d617ce69f380b555f5f3... |
Vehicles on a road in the Bukit Bintang business area in Kuala Lumpur, Malaysia. div > div.flex > picture > img.aspect-landscape | /image/straitstimes/b48a69135db36b297be503e70b6c460dc22cf... |
Straitstimes.com header logo div.flex > div.flex > a.flex > img.h-48 | www.straitstimes.com/assets/ST-logo-default-aoeSLh4S.png |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/43f0bbe562a4abc7cc59fa3b0fabf8c370c32... |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/24fcd5d1e3dbedae519d66411b2e858889b30... |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/cf63b635ba788036fb1b414a080b90e13ce36... |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/13eaee418ab6ac0f5d0bb9236d53e49966130... |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/5d842d79433b6eb6216837d310a6ce6e8eca8... |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/e6ed8055763f0a30a7ddfa901ffb3545786b8... |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/53e717c72d66392ddbdc7ad96bd7f79b0c2bd... |
image-alt a.select-none > div.flex > picture > img.aspect-landscape | /image/straitstimes/5b94b4348512ea286a783e80604d8f71c892f... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/e111e5e84493c93aa0dee33c3c6ad2289e6ee... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/fc9dffde57e82a7003192c9dcc1f9a21a7f8d... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/3dc6778a359f74ebad4b7cd79e7198338d58e... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/64fa395b26bd44db2d617ce69f380b555f5f3... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/84b15a04640589d29422e57970165c69cbc98... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/e111e5e84493c93aa0dee33c3c6ad2289e6ee... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/fc9dffde57e82a7003192c9dcc1f9a21a7f8d... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/3dc6778a359f74ebad4b7cd79e7198338d58e... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/64fa395b26bd44db2d617ce69f380b555f5f3... |
image-alt div.flex > div.flex > picture > img.aspect-landscape | /image/straitstimes/84b15a04640589d29422e57970165c69cbc98... |
image-alt div.flex-grow > div.flex > picture > img.aspect-square | /image/straitstimes/b15cb3bb49d4fbe75b4840bb82abfcc709326... |
image-alt div.flex-grow > div.flex > picture > img.aspect-square | /image/straitstimes/83c09fd907ad80cef5d9abeac0df23974e8f9... |
image-alt div.flex-grow > div.flex > picture > img.aspect-square | /image/straitstimes/d34a7d80c8c91819f6f42ac9943d7b026c4d5... |
image-alt div.flex-grow > div.flex > picture > img.aspect-square | /image/straitstimes/cf9f2b4d178605f00f3a1869f35be64d9c107... |
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 |
|---|
Learn more div.fc-dialog-content > div.fc-dialog-scrollable-content > button.fc-faq-header > span.fc-faq-label |
List of partners. div.fc-dialog-scrollable-content > div.fc-footer > p > a.fc-vendors-list-dialog |
Manage options div.fc-dialog > div.fc-footer-buttons-container > button.fc-button > p.fc-manage-options-third-button-label |
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 |
|---|
Chinese producers braced for tough times as Middle East crisis hikes costs, squ… div.flex > div.flex > div.flex > h4.font-header-sm-semibold |
Latest headlines div.flex > div.flex > a.select-none > h6.font-header-xxsalt-bold |
Singaporeans can now buy record amount of yen per Singdollar div.row-wrapper > a.flex > div.flex > h4.font-header-sm-semibold |
Asia div.flex > div.flex > a.select-none > h6.font-header-xxsalt-bold |
Opinion div.flex > div.flex > a.select-none > h6.font-header-xxsalt-bold |
Visual stories div.flex > div.flex > a.select-none > h6.font-header-xxsalt-bold |
Podcasts div.flex > div.flex > a.select-none > h6.font-header-xxsalt-bold |
Maritime foundation boss says more fresh grads needed to buoy Singapore’s key i… div.right-col > a.flex > div.flex > h4.font-header-sm-semibold |
Most popular div.container > div.flex > div.flex > h6.font-header-xxsalt-bold |
Branded content div.flex > div.flex > a.select-none > h6.font-header-xxsalt-bold |
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
International div.flex > div.p-08 > div.block > div |
International div.p-08 > div.block > div > button.bg-none |
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 |
|---|
Field Notes from Kuala Lumpur
Can cheaper latte and starting the day early sol… div.left-col > div.flex > div.flex > a.flex |
Chinese producers braced for tough times as Middle East crisis hikes costs, squ… div.left-col > div.flex > div.row-wrapper > a.select-none |
US optimistic of deal with Iran as it increases economic pressure div.left-col > div.flex > div.row-wrapper > a.select-none |
US says 10 vessels turned back in 48 hours of Iran port blockade div.left-col > div.flex > div.row-wrapper > a.select-none |
Bloomberg journalist omitted info from own source about GCB transactions: Minis… div.left-col > div.flex > div.row-wrapper > a.select-none |
Support of trusted regional partners key to securing energy needs: PM Wong div.left-col > div.flex > div.row-wrapper > a.flex |
News analysis
The US wants blanket access to Indonesian skies. Jakarta is now … div.left-col > div.flex > div.row-wrapper > a.flex |
Premium or budget travellers? Hong Kong’s tourism chief wants both div.left-col > div.flex > div.row-wrapper > a.flex |
Latest headlines div > div.flex > div.flex > a.select-none |
3 mins ago
Not just a granny’s craft: Why teens are getting hooked on crocheti… div.right-col > div > div.latest-headline-block > a.flex |
18 mins ago
Pakistani mediators arrive in Iran in bid to keep peace talks alive div.right-col > div > div.latest-headline-block > a.flex |
19 mins ago
Grateful Arteta says Champions League semifinal place is a big boo… div.right-col > div > div.latest-headline-block > a.flex |
22 mins ago
While You Were Sleeping: 5 stories you might have missed, April 16… div.right-col > div > div.latest-headline-block > a.flex |
34 mins ago
Bayern showed belief in brave comeback win over Real, Kompany says div.right-col > div > div.latest-headline-block > a.flex |
1:16 div.slick-track > div.slick-slide > div > a.select-none |
0:34 div.slick-track > div.slick-slide > div > a.select-none |
0:42 div.slick-track > div.slick-slide > div > a.select-none |
0:23 div.slick-track > div.slick-slide > div > a.select-none |
0:20 div.slick-track > div.slick-slide > div > a.select-none |
Singapore div.block-container > div.flex > div.flex > a.select-none |
15 power banks taken from travellers flying out of Changi Airport as new two-de… div.block-container > div.flex > div.left-col > a.flex |
Singaporeans can now buy record amount of yen per Singdollar div.flex > div.right-col > div.row-wrapper > a.flex |
Hello, goodbye: BG Tampines Rovers coach Katsuhito Kinoshi resigns just 12 days… div.flex > div.right-col > div.row-wrapper > a.flex |
In official filing to US, S’pore denies trade surplus, rejects claims exports d… div.flex > div.right-col > div.row-wrapper > a.flex |
Asia div.container > div.flex > div.flex > a.select-none |
The US wants blanket access to Indonesian skies. Jakarta is now in a dilemma div.container > div.flex > div.py-08 > a.select-none |
Premium or budget travellers? Hong Kong’s tourism chief wants both div.container > div.flex > div.py-08 > a.select-none |
HK’s Symphony of Lights will be reborn. Guess where? div.container > div.flex > div.py-08 > a.select-none |
China, Vietnam leaders sign cooperation deals div.container > div.flex > div.py-08 > a.select-none |
Opinion div.container > div.flex > div.flex > a.select-none |
Arab Gulf states consider Plan B as Iran war batters US-based security strategy div.card > div.flex > div.opinion-card-body > a.flex |
Jonathan Eyal div.opinion-card-body > div.items-center > div.gap-16 > a.select-none |
When Singapore starts to worry about Washington div.card > div.flex > div.opinion-card-body > a.flex |
General Munir’s kite takes flight and could soar even higher div.card > div.flex > div.opinion-card-body > a.flex |
Ravi Velloor div.opinion-card-body > div.items-center > div.gap-16 > a.select-none |
The ever-shrinking J.D. Vance div.card > div.flex > div.opinion-card-body > a.flex |
Visual stories div.container > div.flex > div.flex > a.select-none |
AI chatbots know more about you than you realise div.slick-track > div.slick-slide > div > a.flex |
The Week in Pictures: Military conscription in Bangkok; Katseye in California div.slick-track > div.slick-slide > div > a.flex |
So near, yet so far: China eyes Taiwanese island as reunification model div.slick-track > div.slick-slide > div > a.flex |
It’s not just you: What 1,000 people said about their dating struggles div.slick-track > div.slick-slide > div > a.flex |
Podcasts div.block-container > div.flex > div.flex > a.select-none |
In Your Opinion Podcast
Fewer babies, slower boom? The future of Singapore’s r… div.block-container > div.py-08 > div.card > a.select-none |
Asian Insider Podcast
Crisis creates openings: Why Asia will stand out after a… div.block-container > div.py-08 > div.card > a.select-none |
The Usual Place Podcast
Have we hit the panic button over the Iran war? div.block-container > div.py-08 > div.card > a.select-none |
ST Podcasts
Discover The Straits Times’ award-winning podcasts div.block-container > div.py-08 > div.card > a.select-none |
Headstart div.container > div.flex > div.w-full > a.select-none |
It’s not just you: What 1,000 people said about their dating struggles
Swipe, … div.container > div.flex > div.left-col > a.flex |
CEO Insights
Maritime foundation boss says more fresh grads needed to buoy Sin… div.container > div.flex > div.right-col > a.flex |
With my own desk at work comes a sense of belonging div.container > div.flex > div.right-col > a.flex |
AI literacy mandatory for all NTU students from August as school rolls out free… div.container > div.flex > div.right-col > a.flex |
askST Jobs: My company offered me a more junior title with the same salary. Is … div.container > div.flex > div.feature-bundled-card-wrapper > a.flex |
Me and My Money: Growing up in a tea plantation taught him about money div.container > div.flex > div.feature-bundled-card-wrapper > a.flex |
Video: Are we going to run out of food and fuel due to the Middle East conflict? div.container > div.flex > div.feature-bundled-card-wrapper > a.flex |
Headstart On Record Podcast
Should I buy silver? div.container > div.flex > div.feature-bundled-card-wrapper > a.flex |
1
Malaysia Airlines jet entered Changi Airport runway without clearance in 2025… div.container > div.w-full > div.flex > a.flex |
2
Man charged in Australia with sexually assaulting woman on Scoot flight from … div.container > div.w-full > div.flex > a.flex |
3
Jail for second man who was part of Grab driver group linked to 5,540 fraudul… div.container > div.w-full > div.flex > a.flex |
4
New hope of forever home, new name for Kuala Lumpur’s loyal ‘traffic dog’ Jon div.container > div.w-full > div.flex > a.flex |
5
Former Malaysian PM Mahathir says he has lost control of his leg after a fall div.container > div.w-full > div.flex > a.flex |
6
Energy shock from Iran war to hit S’pore sectors like property and F&B; bunke… div.container > div.w-full > div.flex > a.flex |
7
1 in 5 S’pore workers overqualified for their jobs, but most are there by cho… div.container > div.w-full > div.flex > a.flex |
8
Caning, suspension among standard disciplinary measures in all schools by 202… div.container > div.w-full > div.flex > a.flex |
9
Woman allegedly raped twice by two different men in Rochor; one attacker hand… div.container > div.w-full > div.flex > a.flex |
10
More tanker arrivals, shipping fuel sold through Singapore port in March div.container > div.w-full > div.flex > a.flex |
Branded content div.container > div.flex > div.flex > a.select-none |
Playing the beautiful game: How this family raises resilient kids through footb… div.container > div.w-full > div.flex > a.flex |
That persistent itch might not be an allergy – here's why div.container > div.w-full > div.flex > a.flex |
How the team behind this Tengah condo gets homes ready sooner div.container > div.w-full > div.flex > a.flex |
Plug-and-play solutions: AI made easy for S'pore SMEs div.container > div.w-full > div.flex > a.flex |
Why Hong Kong wants to attract the world's top talent div.container > div.w-full > div.flex > a.flex |
Ahead of the global curve: How 8 in 10 SEA firms are scaling AI div.container > div.w-full > div.flex > a.flex |
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 |
|---|---|
| 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/. | www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js line 860, col 30 |
| Topics | adtag.sphdigital.com/pub/st/prebid.js line 11, col 80165 |
| AttributionReporting | |
| Unload event listeners are deprecated and will be removed. | www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js line 860, col 30 |
| 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/. | www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js line 860, col 30 |
| Unload event listeners are deprecated and will be removed. | www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js line 860, col 30 |
| 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/. | www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js line 860, col 30 |
| Unload event listeners are deprecated and will be removed. | www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js line 860, col 30 |
| AttributionReporting | |
| Topics | adtag.sphdigital.com/pub/st/prebid.js line 11, col 80165 |
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 |
|---|---|
www.straitstimes.com/assets/nr-loader-spa-1.290.1.min-CWmC8H94.js line 860, col 30 | [GSI_LOGGER]: FedCM get() rejects with NetworkError: Error retrieving a token. |
Access to XMLHttpRequest at 'https://ib.adnxs.com/getuidj' from origin 'https://www.straitstimes.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. | |
Failed to load resource: net::ERR_FAILED | |
Not signed in with the identity provider. | |
Not signed in with the identity provider. | |
Uncaught TypeError: TRC.getRTUS is not a function |
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.