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 long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Performance issues directly impact user engagement and conversion rates.
Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.
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.
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.
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.
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 | |
|---|---|---|---|
John Ternus and Tim Cook div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img | cdn.mos.cms.futurecdn.net/XK7W9gHWEgHPdh5kir8n9-1600-80.jpg.webp | 170.6 KiB | 150.1 KiB |
Anthony Spadafora div.wdn-listv2-item-content-byline > div.wdn-listv2-item-content-byline-author-avatar > picture.block > img.absolute | cdn.mos.cms.futurecdn.net/z73LEoj7FkUjNG85GcWHtH-140-80.jpg.webp | 44.7 KiB | 44.4 KiB |
Mark Gurman shown with a render of Apple Glasses div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img | cdn.mos.cms.futurecdn.net/b6AYQStgLrZQxNJZtkEoXW-600-80.jpg.webp | 39.9 KiB | 37.7 KiB |
IKEA storefront sign div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img | cdn.mos.cms.futurecdn.net/6uG29Mi4idZCcpWqKP8EF7-600-80.jpg.webp | 35.9 KiB | 29.6 KiB |
Rear of the Fitbit Inspire 3 up-close on a red background; the new Fitbit Air c… div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img | cdn.mos.cms.futurecdn.net/GgsZkW8EvjNuUkqKUP4dVJ-600-80.jpg.webp | 25.4 KiB | 23.2 KiB |
How to watch SNL Elon Musk div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img | cdn.mos.cms.futurecdn.net/JsoaaR6o23aVadgmtckFWX-600-80.jpg.webp | 23.2 KiB | 18.8 KiB |
Deezer Screenshot div.image-widthsetter > p.vanilla-image-block > picture > img.inline | /v2/t:0,l:0,cw:5859,ch:3296,q:80,w:970/BFRfyvk2725dV72qEG... | 34.0 KiB | 15.3 KiB |
Camilla Sharman div.wdn-listv2-item-content-byline > div.wdn-listv2-item-content-byline-author-avatar > picture.block > img.absolute | cdn.mos.cms.futurecdn.net/nY4nvWzofHKHpvzAqN5LVH-140-80.jpg.webp | 9.1 KiB | 5.9 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 |
|---|---|---|
| /css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14.... | 1.1 KiB | 280 ms |
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.
| URL | Time Spent |
|---|---|
| tomsguide.com/ | 239 ms |
| www.tomsguide.com/ | 0.0 ms |
These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS
Performance issues directly impact user engagement and conversion rates.
| Element | Layout shift score |
|---|---|
head > meta head > meta | 0.162 |
US Edition nav.primary-nav > div.w-full > div.relative > div.flex | 0.003 |
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 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.
| URL | Transfer Size | Est Savings |
|---|---|---|
| vanilla.futurecdn.net/tomsguide/1610431/media/shared/js/bundle.connect.js | 138.1 KiB | 85.4 KiB |
| asset.fwcdn3.com/js/fwn.js | 118.2 KiB | 75.9 KiB |
| www.googletagmanager.com/gtm.js?id=GTM-WHLXGS3C>m=4e64h1 | 166.1 KiB | 69.9 KiB |
| www.googletagmanager.com/gtm.js?id=GTM-W7SLSK48>m=4e64h1 | 117.0 KiB | 67.4 KiB |
| www.googletagmanager.com/gtag/js?id=G-NJ39EHPREC&cx=c>m=4e64h1 | 145.2 KiB | 60.1 KiB |
| bordeaux.futurecdn.net/bordeaux.js | 103.1 KiB | 58.3 KiB |
| www.googletagmanager.com/gtm.js?id=GTM-WWBWRXL | 143.2 KiB | 47.2 KiB |
| vanilla.futurecdn.net/tomsguide/1610431/media/shared/js/main.DcB9tpsv.bundle.js | 104.0 KiB | 43.7 KiB |
| hawk.tomsguide.com/js/w/es6/master-f8e9977d/responsive.js | 54.3 KiB | 31.8 KiB |
| www.tomsguide.com/ | 31.9 KiB | 26.9 KiB |
| sdk.mrf.io/statics/marfeel-sdk.js?id=7842 | 64.4 KiB | 23.2 KiB |
| sdk.mrf.io/statics/47bd3e88b6bda15c34ce.js | 23.9 KiB | 22.1 KiB |
| www.tomsguide.com/vite/assets/vendor-DH-HcC7C.js | 40.4 KiB | 20.6 KiB |
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 | 2.1 s |
| Other | 1.1 s |
| Style & Layout | 947 ms |
| Script Parsing & Compilation | 169 ms |
| Parse HTML & CSS | 139 ms |
| Rendering | 121 ms |
| Garbage Collection | 90 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 |
| Pages with cache-control:no-store header cannot enter back/forward cache. | Actionable |
| Pages whose main resource has cache-control:no-store cannot enter back/forward cache. | Not actionable |
| Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header. | Not 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 |
|---|---|---|
| @font-face { font-family: "Roboto Condensed-fallback"; size-adjust: 88.91000000000001%; … } … | 65.0 KiB | 4.6 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 |
|---|---|---|
| @layer hawk { .hawk-affiliate-link-container{height:inherit;line-height:1.2} … | 13.4 KiB | 13.4 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.
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.
ARIA
Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more about ARIA roles and required parent element.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Join Tom’s Guide Club → nav.primary-nav > div.w-full > div.relative > a.custom-link-menu-item |
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.
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 |
|---|
Exclusive Apple Interview nav.trending__nav > ul.trending__list > li.trending__item > a.trending__link |
New TV Finder nav.trending__nav > ul.trending__list > li.trending__item > a.trending__link |
Netflix Thrillers nav.trending__nav > ul.trending__list > li.trending__item > a.trending__link |
Connections Hints nav.trending__nav > ul.trending__list > li.trending__item > a.trending__link |
Best TVs nav.trending__nav > ul.trending__list > li.trending__item > a.trending__link |
Best Mattress nav.trending__nav > ul.trending__list > li.trending__item > a.trending__link |
Wordle Hints nav.trending__nav > ul.trending__list > li.trending__item > a.trending__link |
SHORT LIST INCLUDES a.wdn-listv2-item-link > div.wdn-listv2-item-content > div.wdn-listv2-item-content-article-structure > p.wdn-listv2-item-content-article-structure-title |
And 18 more... div.wdn-listv2-item-content > div.wdn-listv2-item-content-article-structure > ul.wdn-listv2-item-content-article-structure-list > li.wdn-listv2-item-content-article-structure-more |
SHORT LIST INCLUDES a.wdn-listv2-item-link > div.wdn-listv2-item-content > div.wdn-listv2-item-content-article-structure > p.wdn-listv2-item-content-article-structure-title |
And 89 more... div.wdn-listv2-item-content > div.wdn-listv2-item-content-article-structure > ul.wdn-listv2-item-content-article-structure-list > li.wdn-listv2-item-content-article-structure-more |
SHORT LIST INCLUDES a.wdn-listv2-item-link > div.wdn-listv2-item-content > div.wdn-listv2-item-content-article-structure > p.wdn-listv2-item-content-article-structure-title |
And 16 more... div.wdn-listv2-item-content > div.wdn-listv2-item-content-article-structure > ul.wdn-listv2-item-content-article-structure-list > li.wdn-listv2-item-content-article-structure-more |
READ MORE div.authors-carousel__wrapper > div.experts-carousel > a.experts-carousel-item > div.mt-auto |
READ MORE div.authors-carousel__wrapper > div.experts-carousel > a.experts-carousel-item > div.mt-auto |
READ MORE div.authors-carousel__wrapper > div.experts-carousel > a.experts-carousel-item > div.mt-auto |
READ MORE div.authors-carousel__wrapper > div.experts-carousel > a.experts-carousel-item > div.mt-auto |
READ MORE div.authors-carousel__wrapper > div.experts-carousel > a.experts-carousel-item > div.mt-auto |
These are opportunities to improve the legibility of your content.
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.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img |
div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img |
div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img |
div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-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.meganav-desktop__container > ul.meganav-desktop__list > li.meganav-item--home-link > a.meganav-item__link div.meganav-desktop__container > ul.meganav-desktop__list > li.meganav-item--home-link > a.meganav-item__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
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 |
|---|---|
| Unload event listeners are deprecated and will be removed. | bordeaux.futurecdn.net/bordeaux.js line 31, col 6976 |
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.tomsguide.com/ line 15814, col 0 | ReferenceError: tailwind is not defined
at https://www.tomsguide.com/:15815:1 |
www.tomsguide.com/ line 18817, col 0 | ReferenceError: tailwind is not defined
at https://www.tomsguide.com/:18818:1 |
www.tomsguide.com/ line 20232, col 0 | ReferenceError: tailwind is not defined
at https://www.tomsguide.com/:20233:1 |
www.tomsguide.com/ line 23745, col 0 | ReferenceError: tailwind is not defined
at https://www.tomsguide.com/:23746:1 |
www.tomsguide.com/ line 24863, col 0 | ReferenceError: tailwind is not defined
at https://www.tomsguide.com/:24864:1 |
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
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.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img |
div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img |
div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img |
div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img div.v2-listing-image-layout > div.v2-listing-image-wrapper > picture > img.v2-listing-image-img |
Format your HTML in a way that enables crawlers to better understand your app’s content.