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.
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 |
|---|---|
| /etc.clientlibs/norton/clientlibs/generated/resources/int... | 105 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 | |
|---|---|---|---|
Norton VPN div.c-bait__container > div.c-bait__image-container > picture.c-bait__picture > img.c-image__img | /content/dam/norton/features/en/row_image_norton_secure_v... | 310.1 KiB | 238.0 KiB |
div#superhero-d78d3d6921 > div.c-superhero__image-area > picture > img div#superhero-d78d3d6921 > div.c-superhero__image-area > picture > img | /content/dam/norton/backgrounds/hero/ROW-VPN-carousel-144... | 119.1 KiB | 89.4 KiB |
div#superhero-d126989bc2 > div.c-superhero__image-area > picture > img div#superhero-d126989bc2 > div.c-superhero__image-area > picture > img | /content/dam/norton/backgrounds/advanced-norton-homepage-... | 125.6 KiB | 87.5 KiB |
div.c-hero__container > div.c-hero__wrap > picture.c-hero__picture > img.c-hero__picture__img div.c-hero__container > div.c-hero__wrap > picture.c-hero__picture > img.c-hero__picture__img | /content/dam/norton/features/en/image_business_man_woman_... | 55.9 KiB | 41.6 KiB |
Norton 360 Advanced div.c-bait__container > div.c-bait__image-container > picture.c-bait__picture > img.c-image__img | es.norton.com/content/dam/norton/features/en/img_scam_protection_pro_us_d_2x.jpg | 29.2 KiB | 17.1 KiB |
div#superhero-c99b7d5ced > div.c-superhero__image-area > picture > img div#superhero-c99b7d5ced > div.c-superhero__image-area > picture > img | /content/dam/norton/backgrounds/hero/img_hp_hero_girl_loo... | 21.4 KiB | 14.9 KiB |
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.
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 |
|---|---|
| norton.com/ | 304 ms |
| www.norton.com/ | 393 ms |
| es.norton.com/ | 0.0 ms |
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 |
|---|---|---|
| s.go-mpulse.net/boomerang/MDDJR-3RVW8-S3M46-HL4QS-RLVQ4 | 59.4 KiB | 27.0 KiB |
| ensighten.norton.com/symantec/aemprod/Bootstrap.js | 86.8 KiB | 26.1 KiB |
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 |
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#superhero-d126989bc2 > div.c-superhero__image-area > picture > img div#superhero-d126989bc2 > div.c-superhero__image-area > picture > img | /content/dam/norton/backgrounds/advanced-norton-homepage-... |
div#superhero-c99b7d5ced > div.c-superhero__image-area > picture > img div#superhero-c99b7d5ced > div.c-superhero__image-area > picture > img | /content/dam/norton/backgrounds/hero/img_hp_hero_girl_loo... |
div#superhero-d78d3d6921 > div.c-superhero__image-area > picture > img div#superhero-d78d3d6921 > div.c-superhero__image-area > picture > img | /content/dam/norton/backgrounds/hero/ROW-VPN-carousel-144... |
TrustPilot Logo div#trustpilot-48dc50ea25 > a.c-trustpilot__container-link > div.c-trustpilot__right-section > img.c-trustpilot__logo-image | es.norton.com/content/dam/norton/cb/trustpilot_logo_gr_blk.svg |
Average Star Rating div#trustpilot-48dc50ea25 > a.c-trustpilot__container-link > div.c-trustpilot__left-section > img.c-trustpilot__score-image | es.norton.com/content/dam/norton/cb/icon_trustpilot_stars_4.5.svg |
Logotipo de Norton div.c-topnav__wrap > a.c-topnav__norton > picture > img.c-topnav__norton__img | es.norton.com/content/dam/norton/logo/logo_norton_d.svg |
Mi cuenta ul.c-topnav__subnav > li.c-topnav__subnav_item > button.btn-account > img | es.norton.com/content/dam/norton/icon/icon_myaccount.svg |
Norton España ul.c-topnav__subnav > li.c-topnav__subnav_item > button.c-country-selector__btn > img | es.norton.com/content/dam/norton/icon/flag/icon_flag_spain.svg |
Twitter div.c-footer__container > div.c-footer__socialitems > a.c-footer__socialitems__item > img.c-footer__socialitems__image | |
Instagram div.c-footer__container > div.c-footer__socialitems > a.c-footer__socialitems__item > img.c-footer__socialitems__image | |
Facebook div.c-footer__container > div.c-footer__socialitems > a.c-footer__socialitems__item > img.c-footer__socialitems__image | |
YouTube div.c-footer__container > div.c-footer__socialitems > a.c-footer__socialitems__item > img.c-footer__socialitems__image | |
Gen Digital Inc. div.c-footer__copyright > a.c-footer__copyright__logolink > picture.c-footer__copyright__picture > img.c-footer__copyright__image |
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
ARIA dialog elements without accessible names may prevent screen readers users from discerning the purpose of these elements. Learn how to make ARIA dialog elements more accessible.
Informational: a Permissions-Policy directive showing feature -> allowed origins.
Source: MDN Permissions-Policy
| Failing Elements |
|---|
Hemos actualizado nuestra política de privacidad y de cookies
Usamos cookies e… section > div#ensNotifyBanner > div#ensBannerDescription > div.gdpModalDialog |
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 |
|---|
68% DE DESCUENTO* div.c-productpanel__grid__product__top > div.c-productpanel__pricing > div.c-productpanel__discount-wrapper > span.c-productpanel__discount |
haz clic aquí div#ensBannerDescription > div.gdpModalDialog > p > a.privacyCancel |
aviso de cookies div#ensBannerDescription > div.gdpModalDialog > p > a.gdpParaLink |
These are opportunities to improve the legibility of your content.
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 |
|---|
Aplicar div.promocodefield > div#promocodefield-ae138a7d83 > form.c-promocode-field__form > button.c-promocode-field__button |
Aceptar todo div#ensBannerDescription > div.gdpModalDialog > div.gdpButtons > button.gdpButton |
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/. | ensighten.norton.com/symantec/aemprod/Bootstrap.js line 795, col 189 |
| Unload event listeners are deprecated and will be removed. |
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 |
|---|---|
| es.norton.com/products/norton-vpn | Empezar |
| es.norton.com/products/norton-360-advanced | Más información |
| es.norton.com/products/small-business | Empezar |
Format your HTML in a way that enables crawlers to better understand your app’s content.