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.
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.
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.dynamicyield.com/api/8773860/api_static.js | 111.8 KiB | 122 ms |
| cdn.dynamicyield.com/api/8773860/api_dynamic.js | 18.4 KiB | 273 ms |
| /cdn/shopifycloud/portable-wallets/latest/accelerated-che... | 2.2 KiB |
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 |
|---|---|
| cdn.rebuyengine.com/onsite/webfonts/fa-light-300.woff2 | 20 ms |
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 | |
|---|---|---|---|
Person practicing martial arts outdoors section.dkt-img-txt__container > div.dkt-img-txt__grid > div.dkt-img-txt__image2 > img.dkt-img-txt__photo | /s/files/1/1752/4727/files/aed8431ee8fdbf4506d5b02b5d64a5... | 1.1 MiB | 1.1 MiB |
Two hikers with a dog on a forest trail section.dkt-img-txt__container > div.dkt-img-txt__grid > div.dkt-img-txt__image1 > img.dkt-img-txt__photo | /s/files/1/1752/4727/files/85a230de3b02930762d96f52e27304... | 1.0 MiB | 1.0 MiB |
Most Popular div.dkt-stepper-carousel__products-carousel > div.dkt-stepper-carousel__card-wrapper > div.testing-div > img.testing-img | /cdn/shop/files/8595408-context_image-p2738017.jpg?v=1757... | 193.5 KiB | 143.4 KiB |
Trending Now div.dkt-stepper-carousel__products-carousel > div.dkt-stepper-carousel__card-wrapper > div.testing-div > img.testing-img | /cdn/shop/files/8852483-context_image-p2589780.jpg?v=1749... | 179.7 KiB | 138.9 KiB |
div.needsclick > div.needsclick > div.needsclick > img.needsclick div.needsclick > div.needsclick > div.needsclick > img.needsclick | /company/TEJqNp/images/3bbfaa07-f989-4dd7-b0d7-346e8c001a... | 194.2 KiB | 81.9 KiB |
Staff Pick div.dkt-stepper-carousel__products-carousel > div.dkt-stepper-carousel__card-wrapper > div.testing-div > img.testing-img | /cdn/shop/files/8736386-context_image-p2355234.jpg?v=1753... | 106.8 KiB | 73.3 KiB |
Most Popular div.dkt-stepper-carousel__products-carousel > div.dkt-stepper-carousel__card-wrapper > div.testing-div > img.testing-img | /cdn/shop/files/8787845-context_image-p2481988.jpg?v=1756... | 103.2 KiB | 70.9 KiB |
Adventure Ready div.dkt-stepper-carousel__products-carousel > div.dkt-stepper-carousel__card-wrapper > div.testing-div > img.testing-img | /cdn/shop/files/8505871-context_image-p1832966.jpg?v=1723... | 86.8 KiB | 38.5 KiB |
Cycling div.dkt-categories__grid > a#category-image-url_7n8B9L > div.dkt-categories__icon > img | www.decathlon.com/cdn/shop/files/Cycling-Icon.png?v=1750234439 | 37.2 KiB | 35.1 KiB |
Camping div.dkt-categories__grid > a#category-image-url_Y3NqbD > div.dkt-categories__icon > img | www.decathlon.com/cdn/shop/files/tent.png?v=1750233125 | 22.7 KiB | 21.4 KiB |
Running div.dkt-categories__grid > a#category-image-url_Rqf4YT > div.dkt-categories__icon > img | www.decathlon.com/cdn/shop/files/backpack.png?v=1750233169 | 20.0 KiB | 19.1 KiB |
Load video: From Idea to Trail: How We Build Better Backpacks div.video-section > deferred-media.video-section__media > button#Deferred-Poster-Modal-26398342611006 > img | /cdn/shop/files/preview_images/fda422a585184dc69f0b7a0203... | 79.3 KiB | 15.1 KiB |
Hiking & Backpacking div.dkt-categories__grid > a#category-image-url_HnTFYn > div.dkt-categories__icon > img | /cdn/shop/files/FORCLAZ_SAD_H_MT_100_EASYFIT_70L_OCRE_-_8... | 11.0 KiB | 9.5 KiB |
Snow & Ski div.dkt-categories__grid > a#category-image-url_LJeHTE > div.dkt-categories__icon > img | /cdn/shop/files/WEDZE_MOUFLES_SKI_100_NOIR_AH25_-_8562903... | 7.6 KiB | 6.6 KiB |
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 |
|---|---|
| decathlon.com/ | 392 ms |
| www.decathlon.com/ | 0.0 ms |
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.
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.
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 | 2.6 s |
| Style & Layout | 1.2 s |
| Other | 1.1 s |
| Script Parsing & Compilation | 464 ms |
| Rendering | 127 ms |
| Parse HTML & CSS | 117 ms |
| Garbage Collection | 90 ms |
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 |
|---|---|---|
| .esc-size-guide--popup .modal_background{background:#000;cursor:pointer;height:100%;left:0; … } … | 5.0 KiB | 3.6 KiB |
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 |
|---|---|---|
| /public/js/main.js?shop=decathlon-usa.myshopify.com&17322... | 36.9 KiB | 18.7 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 |
|---|---|---|
| cdn.rebuyengine.com/onsite/css/global.min.css?build=1775594982 | 18.1 KiB | 16.6 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 | |
|---|---|
Two hikers with a dog on a forest trail section.dkt-img-txt__container > div.dkt-img-txt__grid > div.dkt-img-txt__image1 > img.dkt-img-txt__photo | /s/files/1/1752/4727/files/85a230de3b02930762d96f52e27304... |
Person practicing martial arts outdoors section.dkt-img-txt__container > div.dkt-img-txt__grid > div.dkt-img-txt__image2 > img.dkt-img-txt__photo | /s/files/1/1752/4727/files/aed8431ee8fdbf4506d5b02b5d64a5... |
{*unspecified-8735937*} Black backpack with 'FORCLAZ' brand logo on a white bac… div#splide01-slide01 > div.rebuy-product-media > a.rebuy-product-image > img | /s/files/1/1330/6287/files/8735937-product_image-p2479884... |
{*asphalt-blue-8731516*} div#splide01-slide02 > div.rebuy-product-media > a.rebuy-product-image > img | /s/files/1/1330/6287/files/8731516-product_image-p2583621... |
{*asphalt-blue-8858286*} div#splide01-slide03 > div.rebuy-product-media > a.rebuy-product-image > img | /s/files/1/1330/6287/files/8858286-product_image-p2688048... |
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 |
|---|
Hiking & Backpacking div.dkt-categories__content-wrapper > div.dkt-categories__grid > a#category-image-url_HnTFYn > div.dkt-categories__name |
Camping div.dkt-categories__content-wrapper > div.dkt-categories__grid > a#category-image-url_Y3NqbD > div.dkt-categories__name |
Snow & Ski div.dkt-categories__content-wrapper > div.dkt-categories__grid > a#category-image-url_LJeHTE > div.dkt-categories__name |
Running div.dkt-categories__content-wrapper > div.dkt-categories__grid > a#category-image-url_Rqf4YT > div.dkt-categories__name |
Cycling div.dkt-categories__content-wrapper > div.dkt-categories__grid > a#category-image-url_7n8B9L > div.dkt-categories__name |
High-Performance
Products For
Everyone section.dkt-img-txt__container > div.dkt-img-txt__grid > div.dkt-img-txt__title > h1.dkt-img-txt__heading |
At Decathlon, we believe in making sports accessible to everyone, everywhere. W… section.dkt-img-txt__container > div.dkt-img-txt__grid > div.dkt-img-txt__text-content > p.dkt-img-txt__paragraph |
4.8 div.card__title-rating-wrapper > div.rating > p.rating-text > span |
$11.99 div.price > div.price__container > div.price__regular > span.price-item |
$140.00 div.price > div.price__container > div.price__regular > span.price-item |
$140.00 div.price > div.price__container > div.price__regular > span.price-item |
4.8 div.card__title-rating-wrapper > div.rating > p.rating-text > span |
$170.00 div.price > div.price__container > div.price__regular > span.price-item |
16 slider-component.slider-mobile-gutter > div.slider-buttons > div.slider-counter > span.slider-counter--total |
Follow Us @DecathlonUSA div.page-width > div#shopify-block-AZEtxU2xkNFpCL2tha__instafeed_app_block_GFLUUH > div#insta-feed > h2 |
Terms of Service div.dkt-footer__container > div.dkt-footer__bottom-bar > div.dkt-footer__legal-links > a |
Shipping Policy div.dkt-footer__container > div.dkt-footer__bottom-bar > div.dkt-footer__legal-links > a |
Supply Chain Disclosure div.dkt-footer__container > div.dkt-footer__bottom-bar > div.dkt-footer__legal-links > a |
Privacy Policy div.dkt-footer__container > div.dkt-footer__bottom-bar > div.dkt-footer__legal-links > a |
Decathlon Accessibility Statement div.dkt-footer__container > div.dkt-footer__bottom-bar > div.dkt-footer__legal-links > a |
Product Recalls div.dkt-footer__container > div.dkt-footer__bottom-bar > div.dkt-footer__legal-links > a |
Select Your Country div.spicegems_cr_modal-dialog > div.spicegems_cr_modal-content > div.spicegems_cr_modal-footer > a#spicegems_cr_btn_yes |
Stay on U.S. Site div.spicegems_cr_modal-dialog > div.spicegems_cr_modal-content > div.spicegems_cr_modal-footer > a#spicegems_cr_btn_no |
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 |
|---|
Kiprun Ultra-Light 5-Panel Running Cap div.card__content > div.card__information > div.card-information > h3#title-template--16865945452606__dkt_stepper_carousel_XhgFrD-7774402576446 |
These are opportunities to improve keyboard navigation in your application.
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 | connect.facebook.net/en_US/fbevents.js line 273, col 769 |
| Specifying overflow: visible on img, video and canvas tags may cause them to produce visual content outside of the element bounds. See https://github.com/WICG/shared-element-transitions/blob/main/debugging_overflow_on_images.md. |
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
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.
Performance issues directly impact user engagement and conversion rates.
Format your HTML in a way that enables crawlers to better understand your app’s content.
Crawling and Indexing
Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable
Performance issues directly impact user engagement and conversion rates.
| Uncrawlable Link |
|---|
Select Your Country div.spicegems_cr_modal-dialog > div.spicegems_cr_modal-content > div.spicegems_cr_modal-footer > a#spicegems_cr_btn_yes |
Stay on U.S. Site div.spicegems_cr_modal-dialog > div.spicegems_cr_modal-content > div.spicegems_cr_modal-footer > a#spicegems_cr_btn_no |
To appear in search results, crawlers need access to your app.