Lighthouse Mobile
· 0 checks — Mobile 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.
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.
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.
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.
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 | |
|---|---|---|---|
Spain Weather Radar div.template-root > div.page-content > a.base-map-cta > img.component-image | /maps/v1/radar/static/globalSIR/zxyuv/4/7/6/8/0.jpg?&imgw... | 80.1 KiB | 66.3 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 |
|---|---|
| accuweather.com/ | 759 ms |
| www.accuweather.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 |
|---|---|
SPAIN WEATHER RADAR
See more
Top Stories
SEVERE WEATHER
Severe weather outbr… body.home > div.template-root > div.page-content | 0.239 |
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.
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.
| URL | Transfer Size | Est Savings |
|---|---|---|
| /pagead/managed/js/gpt/m202604130101/pubads_impl.js | 187.5 KiB | 129.7 KiB |
| cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js | 257.0 KiB | 105.1 KiB |
| www.accuweather.com/tags/shared/tripleliftBidAdapter-cb2ab4c9.js | 68.3 KiB | 48.4 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.
| URL | Total CPU Time | Script Evaluation | Script Parse |
|---|---|---|---|
| www.accuweather.com/ | 1.4 s | 208 ms | 23 ms |
| cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js | 824 ms | 631 ms | 120 ms |
| Unattributable | 706 ms | 227 ms | 0.0 ms |
| cdn.p-n.io/pushly-sdk.min.js?domain_key=16if7iQ5tgH1FcRA4cUeejyVcdf5guIAEV9R | 302 ms | 259 ms | 16 ms |
| www.accuweather.com/akam/13/26139ab1 | 167 ms | 147 ms | 4.4 ms |
| /pagead/managed/js/gpt/m202604130101/pubads_impl.js | 163 ms | 117 ms | 42 ms |
| securepubads.g.doubleclick.net/tag/js/gpt.js | 111 ms | 94 ms | 16 ms |
| cdn.parsely.com/keys/accuweather.com/p.js | 89 ms | 79 ms | 6.1 ms |
| www.accuweather.com/tags/shared/tripleliftBidAdapter-cb2ab4c9.js | 77 ms | 74 ms | 0.8 ms |
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 | 1.9 s |
| Other | 972 ms |
| Rendering | 424 ms |
| Style & Layout | 309 ms |
| Script Parsing & Compilation | 246 ms |
| Garbage Collection | 65 ms |
| Parse HTML & CSS | 39 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 cache-control:no-store header cannot enter back/forward cache. | Actionable |
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.
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 | |
|---|---|
Spain Weather Radar div.template-root > div.page-content > a.base-map-cta > img.component-image | /maps/v1/radar/static/globalSIR/tile?apikey=de13920f574d4... |
div.featured-search-bar > div.search-results > div.search-bar-result > img.current-location-icon div.featured-search-bar > div.search-results > div.search-bar-result > img.current-location-icon | www.awxcdn.com/adc-assets/images/icons/icon-gps.svg |
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 |
|---|
Privacy Policy div.ketch-flex > div#banner-description > p.ketch-text-inherit > a.ketch-text-inherit |
World div.template-root > div.breadcrumbs > div.crumbs > a.breadcrumbs__link |
Europe div.template-root > div.breadcrumbs > div.crumbs > a.breadcrumbs__link |
Spain div.template-root > div.breadcrumbs > div.crumbs > a.breadcrumbs__link |
Madrid div.template-root > div.breadcrumbs > div.crumbs > a.breadcrumbs__link |
Palacio div.template-root > div.breadcrumbs > div.crumbs > a.breadcrumbs__link |
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks… div.template-root > div.footer-legalese > div.footer-copyright > span |
Terms of Use | Privacy Policy | Cookie Policy | Data Sources | Contact Us body.home > div.template-root > div.footer-legalese > div#footer-terms |
Terms of Use div.template-root > div.footer-legalese > div#footer-terms > a |
Privacy Policy div.template-root > div.footer-legalese > div#footer-terms > a |
Cookie Policy div.template-root > div.footer-legalese > div#footer-terms > a |
Data Sources div.template-root > div.footer-legalese > div#footer-terms > a |
Contact Us div.template-root > div.footer-legalese > div#footer-terms > a |
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.featured-locations__locations > a.recent-location-item > div.recent-location-current-weather-wrapper > img.recent-location-icon div.featured-locations__locations > a.recent-location-item > div.recent-location-current-weather-wrapper > img.recent-location-icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
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.page-hero > div.basic-lite-header > div.header-inner > a.header-logo div.page-hero > div.basic-lite-header > div.header-inner > a.header-logo |
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
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 |
|---|---|
| www.accuweather.com/en/browse-locations/eur/es | See more |
| www.accuweather.com/en/weather-news | See more |
| www.accuweather.com/en/news/trending-now | See more |
| www.accuweather.com/en/space-news | See more |
| www.accuweather.com/en/climate | See more |
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.featured-locations__locations > a.recent-location-item > div.recent-location-current-weather-wrapper > img.recent-location-icon div.featured-locations__locations > a.recent-location-item > div.recent-location-current-weather-wrapper > img.recent-location-icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon div.nearby-locations > div.nearby-locations-list > a.nearby-location > img.icon |
Format your HTML in a way that enables crawlers to better understand your app’s content.
Crawling and Indexing
If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.
Performance issues directly impact user engagement and conversion rates.
To appear in search results, crawlers need access to your app.