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.
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.
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.
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.
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 | |
|---|---|---|---|
body.jar > div#google_image_div > a#aw0 > img.img_ad body.jar > div#google_image_div > a#aw0 > img.img_ad | tpc.googlesyndication.com/simgad/15737418019338736986 | 56.3 KiB | 45.6 KiB |
Giséle Pelicot in Avignon, France, after her husband was found guilty of co-ord… div.article-card__content > a.article-card__image-link > picture.article-card__image > img.lazyload | /nationalpost/wp-content/uploads/2026/04/pelicotweb2.jpg?... | 10.2 KiB | 8.0 KiB |
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 |
|---|---|---|
| /21.0.2/websites/css/styles-np-global-ugc.min.css | 10.0 KiB | |
| dcs-static.gprod.postmedia.digital/21.0.2/websites/css/layout.min.css | 2.7 KiB | 232 ms |
| /21.0.2/websites/css/styles-np-category.min.css | 9.5 KiB | |
| dcs-static.gprod.postmedia.digital/21.0.2/websites/css/styles-np-global.min.css | 17.3 KiB |
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.
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
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 |
|---|---|---|
| .trc_rbox_container { direction: ltr; text-align: left; } … | 25.7 KiB | 25.7 KiB |
| :root { --cm-video-brand-primary: var(--yb-grape-jelly, #7e1fff); --cm-video-brand-secondary: v… | 16.0 KiB | 15.5 KiB |
| dcs-static.gprod.postmedia.digital/21.0.2/websites/css/styles-np-global.min.css | 16.8 KiB | 13.4 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 | 3.4 s |
| Other | 726 ms |
| Style & Layout | 554 ms |
| Script Parsing & Compilation | 373 ms |
| Rendering | 168 ms |
| Garbage Collection | 106 ms |
| Parse HTML & CSS | 44 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 |
|---|---|
| Pages with WebSocket cannot enter back/forward cache. | Pending browser support |
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 |
|---|---|---|
| launchpad.privacymanager.io/latest/launchpad.bundle.js | 40.2 KiB | 12.7 KiB |
| launchpad.privacymanager.io/latest/launchpad.bundle.js | 40.2 KiB | 12.7 KiB |
| tags.qortex.ai/cxo/cx-bootstrapper-init | 12.5 KiB | 3.8 KiB |
| helix.bitformations.ca/static/helix-trigger.js | 5.1 KiB | 2.5 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.
Posted div.newsletter-new-story-page-template > div.newsletter-widget__header__new-story-page > div.newsletter-widget__banner__new-story-page > img |
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 |
|---|
Madame Figaro in Taboola advertising section a.item-label-href > span.video-label-box > span.branding > span.branding-inner |
span.branding > div.logoDiv > a.trc_desktop_disclosure_link > span span.branding > div.logoDiv > a.trc_desktop_disclosure_link > span |
National Post in Taboola advertising section div.videoCube > a.item-label-href > span.video-label-box > span.branding |
National Post in Taboola advertising section div.videoCube > a.item-label-href > span.video-label-box > span.branding |
div.row > div.col-xs-12 > nav.footer__nav > a.footer__link div.row > div.col-xs-12 > nav.footer__nav > a.footer__link |
div.row > div.col-xs-12 > nav.footer__nav > a.footer__link div.row > div.col-xs-12 > nav.footer__nav > a.footer__link |
div.row > div.col-xs-12 > nav.footer__nav > a.footer__link div.row > div.col-xs-12 > nav.footer__nav > a.footer__link |
div.row > div.col-xs-12 > nav.footer__nav > a.footer__link div.row > div.col-xs-12 > nav.footer__nav > a.footer__link |
div.row > div.col-xs-12 > nav.footer__nav > a.footer__link div.row > div.col-xs-12 > nav.footer__nav > a.footer__link |
div.row > div.col-xs-12 > nav.footer__nav > a.footer__link div.row > div.col-xs-12 > nav.footer__nav > a.footer__link |
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 |
|---|
97% of Canadian doctors report having to counter harm caused by false online in… div.article-card__content > div.article-card__details > a.article-card__link > h3.article-card__headline |
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 |
|---|
div.article-card__details > div.article-card__meta-bottom > span.article-card__category > a.article-card__category-link div.article-card__details > div.article-card__meta-bottom > span.article-card__category > a.article-card__category-link |
Sponsored: learn about this recommendation (opens dialog) span.video-label-box > span.branding > div.logoDiv > a.trc_desktop_disclosure_link |
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 |
|---|
Sections header#header > div.row > div.header__left > button.button |
Tasha Kheiriddin: Carney preparing to fail in Trump negotiations
Prime ministe… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
B.C. real estate agent disciplined for sending Hitler image and 'anti-Semitic' … article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Schizophrenic man behind Toronto army recruiting centre knife attack approved f… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
As feds look to criminalize deepfakes, advocates want a way to erase them from … article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Ex-CBSA employee improperly passed on data to potential real estate clients
Th… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Alberta MLAs will again debate moving to permanent daylight time, Danielle Smit… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Iran ceasefire ‘unlikely’ to be extended without a peace deal, Trump says article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Dual Iran, U.S. blockades have traffic in Strait of Hormuz crippled once again article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Canadian woman killed in shooting at popular Mexican tourist site article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Who is going to Florida if Canada is boycotting U.S. travel? It's Canadians article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Russia-aligned Radev wins in eighth Bulgarian election since 2021 article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Chris Selley: This can't be happening at Rideau Hall article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Damien Kurek: The Liberal plan to silence the House of Commons article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Trump’s plan for Cuba isn’t what you’ve been told: Full Comment podcast article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Subscriber only. FIRST READING: Floor-crossings are technically allowed? Here's… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Kelly McParland: Orbán's demise sends out a signal of hope article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Future of 24 Sussex Drive: While the government dithers, here are some ideas to… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Julie Payette’s disastrous reign as governor general: ‘Act of perpetual petulan… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Nelly Furtado is done with fame. So the Canadian pop icon has exited the stage article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
As the Blue Jays begin their 50th season, we find the men from the first openin… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
What happens when you don't die on time? article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Toronto housing: “Reimagining what a neighbourhood can be” article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Daily Horoscope - Tuesday, April 21, 2026 article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Daily Horoscope - Monday, April 20, 2026 article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Daily Horoscope - Sunday, April 19, 2026 article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Daily Horoscope - Saturday, April 18, 2026 article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
U.S. couple shocked after sunny cruise to Bermuda rerouted to chilly New Brunsw… article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
These are the 3 best beauty products we tried this week article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
See how a $2,500 gym shed project created a fresh home fitness space article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Canadian concert tours: Hottest tickets in 2026 article.article-card > div.article-card__content > div.article-card__details > a.article-card__link |
Best standup comedy shows in Canada near you this week article.article-card > div.article-card__content > div.article-card__details > a.article-card__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 |
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 |
|---|---|
Access to XMLHttpRequest at 'https://ib.adnxs.com/getuidj?gdpr=0' from origin 'https://nationalpost.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 | |
Failed to load resource: the server responded with a status of 451 () | |
nationalpost.com/ line 213, col 8746 | TypeError: Cannot read properties of null (reading 'data')
at HTMLDocument.<anonymous> (https://nationalpost.com/:214:8747)
at https://fem.gprod.postmedia.digital/v141.0/fem.js:1:81533
at Generator.next (<anonymous>)
at U (https://fem.gprod.postmedia.digital/v141.0/fem.js:1:69821)
at a (https://fem.gprod.postmedia.digital/v141.0/fem.js:1:70024)
at https://fem.gprod.postmedia.digital/v141.0/fem.js:1:70083
at new Promise (<anonymous>)
at https://fem.gprod.postmedia.digital/v141.0/fem.js:1:69964
at B.initializeLoginState (https://fem.gprod.postmedia.digital/v141.0/fem.js:1:81589)
at https://fem.gprod.postmedia.digital/v141.0/fem.js:1:76112 |
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.
Performance issues directly impact user engagement and conversion rates.
| Link destination | Link Text |
|---|---|
| nationalpost.com/register/ | here |
| nationalpost.com/register/ | here |
| nationalpost.com/register/ | here |
| nationalpost.com/register/ | here |
| nationalpost.com/register/ | here |
Format your HTML in a way that enables crawlers to better understand your app’s content.