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Lighthouse Desktop

· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

66

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

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

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:30.682 source:map[column:26737 line:25 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:26.528 source:map[column:57 line:303 type:source-location url:https://www.eldiario.es/ urlProvider:network]] map[reflowTime:146.735 source:map[type:text value:[unattributed]]] map[reflowTime:1.64 source:map[column:48957 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:0.563 source:map[column:49015 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:0.44 source:map[column:49079 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:0.158 source:map[column:48260 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:6.061 source:map[column:48238 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:0.693 source:map[column:49992 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:1.673 source:map[column:83763 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:18.44 source:map[column:78225 line:24 type:source-location url:https://www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:1.014 source:map[column:70985 line:0 type:source-location url:https://www.eldiario.es/app.h-5bd2772bdef2d90ace0e.js urlProvider:network]] map[reflowTime:58.051 source:map[column:10385 line:1 type:source-location url:https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/ui-web-en-web.22ecd6bfac93de604efec0b75b2c796ee1675f92.js urlProvider:network]]]

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.
description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
c.amazon-adsystem.com/aax2/apstag.js3600.0 s91.0 KiB
news.google.com/swg/js/v1/swg.js3000.0 s71.3 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=1971800.0 s58.9 KiB
/signals/config/848494001839293?v=2.9.303&r=stable&domain...1200.0 s39.6 KiB
/62f49e32-b476-46b4-9757-407895dd174e/loader.js?target_ty...7200.0 s37.6 KiB
app.varify.io/varify.js120.0 s21.1 KiB
cdn.onesignal.com/sdks/OneSignalPageSDKES6.js?v=151607259200.0 s68.7 KiB
lab.eldiario.es/estaticos/js/eldiario-tag.js3600.0 s10.2 KiB
news.google.com/swg/js/v1/swg-button.css3000.0 s5.2 KiB
sdk.mrf.io/statics/cb38304f0e183f013a9a.js3600.0 s3.9 KiB
es-config.sensic.net/s2s-web.js1209600.0 s31.0 KiB
pubtags.addoor.net/lib/contags/metrics.min.js?site=eldiario.es0.0 ms3.0 KiB
sb.scorecardresearch.com/internal-cs/default/beacon.js86400.0 s6.7 KiB
/api/v1/sync/1925b0b9-5072-4a55-a157-c29d89db8cb8/web?cal...3600.0 s2.5 KiB
/1364215/trc/3/json?tim=1776814159664&data=%7B%22id%22%3A...0.0 ms1.8 KiB
/1537789/trc/3/json?tim=1776814160372&data=%7B%22id%22%3A...0.0 ms1.6 KiB
config.aps.amazon-adsystem.com/configs/39023600.0 s1.1 KiB
cdn.onesignal.com/sdks/OneSignalSDK.js259200.0 s3.6 KiB
lab.eldiario.es/estaticos/js/prebid-ads.js3600.0 s367 B
/tr/?id=848494001839293&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
Los testigos de Jehová inician una gran asamblea internacional en Madrid figure.ni-figure > a > picture.ni-img > img.lazy
/clip/3bd4c722-e371-4df9-ae37-a5d26c45fef3_16-9-discover-...105.2 KiB73.3 KiB
Protesta convocada por la organización juvenil Revuelta ante la sede nacional … figure.ni-figure > a > picture.ni-img > img.lazy
/clip/4b49674a-b220-4d4a-a9ad-3958251e41bb_16-9-discover-...57.2 KiB47.9 KiB
Javier Hidalgo, a su llegada al Tribunal Supremo. figure.ni-figure > a > picture.ni-img > img.lazy
/clip/4f8aafe1-4d4b-4cc9-a84f-7180282f6009_16-9-discover-...43.4 KiB34.0 KiB
Iványi Gábor posa para elDiario.es durante su entrevista en Budapest. figure.ni-figure > a > picture.ni-img > img.lazy
/clip/575d40f6-abfc-4c15-a8e8-ec6d1617dc72_16-9-discover-...37.9 KiB28.5 KiB
section.picture-related > div.pr-img > picture > img.lazy section.picture-related > div.pr-img > picture > img.lazy
/clip/666f2045-43a8-4d96-82a6-0eedfbce16dd_16-9-aspect-ra...29.3 KiB26.4 KiB
Israel, durante el desfile de banderas de Eurovisión 2025 figure.ni-figure > a > picture.ni-img > img.lazy
/clip/288fd822-acf8-400b-a773-7288c04b78d8_16-9-discover-...35.0 KiB25.6 KiB
David Fernández, esta semana, en Madrid. figure.ni-figure > a > picture.ni-img > img.lazy
/clip/491aac6e-934e-4e29-83b7-4c5819f5ae99_16-9-discover-...51.1 KiB23.6 KiB
El surtidor de gasóleo, que se encuentra en una zona técnica no precintada, ant… figure.ni-figure > a > picture.ni-img > img.lazy
/clip/b80cd1d1-bac2-4eee-a6aa-961feb568606_16-9-discover-...69.2 KiB21.7 KiB
Captura de la declaración de Manuel Vázquez, 'El Fiti' figure.ni-figure > a > picture.ni-img > img.lazy
/clip/5f2bdb91-1bbb-4c08-882b-6db2df9d4341_16-9-discover-...22.3 KiB16.0 KiB
La alta representante de la Unión Europea para Asuntos Exteriores y Política de… figure.ni-figure > a > picture.ni-img > img.lazy
/clip/dc63abd2-5b66-4b3d-a348-8c6e6da51c6a_16-9-discover-...20.2 KiB14.4 KiB
Milagros Tolón, delegada del Gobierno de España en Castilla-La Mancha figure.ni-figure > a > picture.ni-img > img.lazy
/clip/0b83246f-0b38-45c6-897a-dd4d59f93f21_16-9-discover-...14.5 KiB12.3 KiB
section.picture-related > div.pr-img > picture > img.lazy section.picture-related > div.pr-img > picture > img.lazy
/clip/8d781288-df97-4b91-8e1f-46ec24ac7446_16-9-discover-...12.3 KiB7.0 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 266 ms
URLTime Spent
eldiario.es/266 ms
www.eldiario.es/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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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.

Why this matters

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 70 ms 125.5 KiB
URLTransfer SizeEst Savings
www.eldiario.es/app.h-5bd2772bdef2d90ace0e.css107.2 KiB96.6 KiB
20.5 KiB15.2 KiB
www.eldiario.es/css/typography.h-511959eb3213134986f716f044f74262.css14.1 KiB13.7 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.eldiario.es/591 ms68 ms6.0 ms
Unattributable440 ms109 ms0.0 ms
www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW344 ms278 ms55 ms
/pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31...204 ms133 ms25 ms
/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/ui-w...198 ms123 ms9.7 ms
www.eldiario.es/app.h-5bd2772bdef2d90ace0e.js198 ms141 ms4.9 ms
/experimentsexperience/render?id=AC_4Ph4IkFsQZ2_bECPMYqc-...189 ms180 ms0.1 ms
www.eldiario.es/edi-app.h-5bd2772bdef2d90ace0e.js106 ms94 ms9.8 ms
static.eldiario.es/statics/public/sibbo/prebid_eldiario_es_20260317.min.js104 ms83 ms20 ms
www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js95 ms6.5 ms86 ms
/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk....94 ms78 ms16 ms
www.googletagmanager.com/gtag/js?id=G-4RZPWREGF3&cx=c&gtm=4e64h190 ms69 ms20 ms
c.amazon-adsystem.com/aax2/apstag.js75 ms59 ms13 ms
/signals/config/848494001839293?v=2.9.303&r=stable&domain...67 ms59 ms7.2 ms
cdn.taboola.com/libtrc/unip/1287735/tfa.js65 ms57 ms3.4 ms
connect.facebook.net/en_US/fbevents.js52 ms38 ms14 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

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation1.9 s
Other427 ms
Style & Layout417 ms
Script Parsing & Compilation354 ms
Parse HTML & CSS114 ms
Rendering110 ms
Garbage Collection49 ms

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 5.8 KiB
URLTransfer SizeEst Savings
/statics/public/Components/eldiario-components.es-product...44.7 KiB5.8 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 1.1 MiB
URLTransfer SizeEst Savings
www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js472.8 KiB428.7 KiB
/pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31...187.7 KiB131.6 KiB
static.eldiario.es/statics/public/sibbo/prebid_eldiario_es_20260317.min.js148.9 KiB105.3 KiB
accounts.google.com/gsi/client95.3 KiB71.3 KiB
www.googletagmanager.com/gtag/js?id=G-4RZPWREGF3&cx=c&gtm=4e64h1173.6 KiB67.3 KiB
c.amazon-adsystem.com/aax2/apstag.js90.5 KiB50.0 KiB
www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW181.1 KiB49.3 KiB
cdn.onesignal.com/sdks/OneSignalPageSDKES6.js?v=15160768.2 KiB48.1 KiB
news.google.com/swg/js/v1/swg.js68.8 KiB46.6 KiB
/ats-modules/96382f5c-08c1-4862-a8c6-aadb581efa79/ats.js74.5 KiB40.7 KiB
/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk....84.7 KiB38.5 KiB
connect.facebook.net/en_US/fbevents.js96.5 KiB35.0 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=19758.6 KiB27.9 KiB
www.eldiario.es/edi-app.h-5bd2772bdef2d90ace0e.js32.2 KiB24.5 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js474.3 KiB
/pagead/managed/js/gpt/m202604200101/pubads_impl.js?cb=31...187.7 KiB
www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW181.4 KiB
www.googletagmanager.com/gtag/js?id=G-4RZPWREGF3&cx=c&gtm=4e64h1173.7 KiB
static.eldiario.es/statics/public/sibbo/prebid_eldiario_es_20260317.min.js149.3 KiB
/assets/font-awesome/webfonts/fa-light-300.h-b076f7ccd174...142.8 KiB
/assets/font-awesome/webfonts/fa-solid-900.h-a265bbc20e40...108.9 KiB
www.eldiario.es/app.h-5bd2772bdef2d90ace0e.css107.6 KiB
/clip/3bd4c722-e371-4df9-ae37-a5d26c45fef3_16-9-discover-...105.5 KiB
/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk....100.7 KiB

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Layout shift culprits
●Optimize DOM size
●Font display
●LCP breakdown
●Modern HTTP
●Render blocking requests
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 15 user timings
●Avoid long main-thread tasks 16 long tasks found
●Image elements have explicit `width` and `height`
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 30 ms
●Server Backend Latencies 100 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 30 ms
●Avoid large layout shifts 2 layout shifts found
○INP breakdown
○LCP request discovery
○Avoid non-composited animations
83

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.

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.photo-carousel > div.owl-carousel > div.owl-nav > button.owl-prev div.photo-carousel > div.owl-carousel > div.owl-nav > button.owl-prev
div.photo-carousel > div.owl-carousel > div.owl-nav > button.owl-next div.photo-carousel > div.owl-carousel > div.owl-nav > button.owl-next
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-nav > button.owl-next aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-nav > button.owl-next
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a
article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a
article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a
article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a
article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a
article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a
article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a.lazy article.opinion-item > div.opinion-item__top > div.opinion-item__img-wrapper > a.lazy
article.col-12 > div.md__op > div.opinion-firm > a article.col-12 > div.md__op > div.opinion-firm > a
article.col-12 > div.md__new > figure.ni-figure > a article.col-12 > div.md__new > figure.ni-figure > a
article.col-12 > div.md__new > figure.ni-figure > a article.col-12 > div.md__new > figure.ni-figure > a
article.col-12 > div.md__new > figure.ni-figure > a article.col-12 > div.md__new > figure.ni-figure > a
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img
div.container-fluid > ul.row > li.site > a.site-icon div.container-fluid > ul.row > li.site > a.site-icon
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img
div.container-fluid > ul.row > li.site > a.site-icon div.container-fluid > ul.row > li.site > a.site-icon
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img
div.container-fluid > ul.row > li.site > a.site-icon div.container-fluid > ul.row > li.site > a.site-icon
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img
div.container-fluid > ul.row > li.site > a.site-img div.container-fluid > ul.row > li.site > a.site-img

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.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Login div.didomi__notice__links > div.didomi__notice__wrapper__link > p > a#didomi__notice__link__login
LEARN MORE → div.didomi-popup-view > div#buttons > button#didomi-notice-learn-more-button > span
Washington div.a100 > div.ni-info > p.signature > span.place
Claves section.picture-related > div.pr-text > p.pr-title > a.pr-title-category
Mérida div.md__new > div.ni-info > p.signature > span.place
Bruselas div.md__new > div.ni-info > p.signature > span.place
Corresponsal en Washington div.md__new > div.ni-info > p.signature > span.place
Corresponsal en Washington div.md__new > div.ni-info > p.signature > span.place
Oxford (Reino Unido) div.md__new > div.ni-info > p.signature > span.place
Barcelona div.md__new > div.ni-info > p.signature > span.place
Barcelona div.md__new > div.ni-info > p.signature > span.place
19:11 h ul.cmp-sm-content > li.item > div.sm-first-col > span
18:35 h ul.cmp-sm-content > li.item > div.sm-first-col > span
17:09 h ul.cmp-sm-content > li.item > div.sm-first-col > span
16:53 h ul.cmp-sm-content > li.item > div.sm-first-col > span
16:29 h ul.cmp-sm-content > li.item > div.sm-first-col > span
14:32 h ul.cmp-sm-content > li.item > div.sm-first-col > span
14:27 h ul.cmp-sm-content > li.item > div.sm-first-col > span
12:53 h ul.cmp-sm-content > li.item > div.sm-first-col > span
11:32 h ul.cmp-sm-content > li.item > div.sm-first-col > span
11:19 h ul.cmp-sm-content > li.item > div.sm-first-col > span
11:00 h ul.cmp-sm-content > li.item > div.sm-first-col > span
VER COBERTURA COMPLETA div.col-12 > aside.cmp-sm-minute-by-minute > div.cmp-sm-footer > a
Zona Crítica div.section-tabs > ul.tabs > li > a
Tribuna Abierta div.section-tabs > ul.tabs > li > a
Escolar.net div.section-tabs > ul.tabs > li > a
Análisis article.col-12 > div.md__op > div.opinion-content > span
Alberto Garzón Espinosa article.col-12 > div.md__op > div.opinion-firm > span
Barcelona div.md__new > div.ni-info > p.signature > span.place
València div.md__new > div.ni-info > p.signature > span.place
Vitoria div.md__new > div.ni-info > p.signature > span.place
València div.md__new > div.ni-info > p.signature > span.place
Barcelona div.md__new > div.ni-info > p.signature > span.place
Bruselas div.md__new > div.ni-info > p.signature > span.place
Sevilla div.md__new > div.ni-info > p.signature > span.place
Bilbao div.md__new > div.ni-info > p.signature > span.place
Corresponsal en Bruselas div.md__new > div.ni-info > p.signature > span.place
Dessau (Alemania) div.md__new > div.ni-info > p.signature > span.place
Cádiz div.md__new > div.ni-info > p.signature > span.place

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.hrrss > div#heditions > div.filter > h3.filter-text div.hrrss > div#heditions > div.filter > h3.filter-text

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-nav > button.owl-next aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-nav > button.owl-next
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot
aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot aside.module-latest-news > div.owl-module-latest-news-slider > div.owl-dots > button.owl-dot
Un gel del ajolote podría regenerar extremidades humanas ul.row > li.site > h2 > a.site-title
Mochila Duro Pro 10 de Osprey, no notarás que la llevas ul.row > li.site > h2 > a.site-title
Andalucía ofertará 106.592 plazas en enseñanzas de Régimen Especial ul.row > li.site > h2 > a.site-title
La Comunidad de Madrid activa ayudas de hasta 1 millón de euros para vivienda s… ul.row > li.site > h2 > a.site-title
Seguir en Facebook div.icons-container > div.shareIcons > div.icons > a.link-facebook
Seguir en Telegram div.icons-container > div.shareIcons > div.icons > a.link-telegram

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
LEARN MORE → div.didomi-popup-container > div.didomi-popup-view > div#buttons > button#didomi-notice-learn-more-button
31 div.cmp-info > div.data-info > div.author > a.author-comments
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-*]` attributes match their roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Image elements have `[alt]` attributes
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●ARIA attributes are used as specified for the element's role
●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●No element has a `[tabindex]` value greater than 0
●`[lang]` attributes have a valid value
●Document has a main landmark.
●Deprecated ARIA roles were not used
●All heading elements contain content.
●Uses ARIA roles only on compatible elements
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○`[aria-hidden="true"]` elements do not contain focusable descendents
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○`[role]`s are contained by their required parent element
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○Form elements have associated labels
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○Image elements do not have `[alt]` attributes that are redundant text.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Topics
static.eldiario.es/statics/public/sibbo/prebid_eldiario_es_20260317.min.js line 6, col 380816
AttributionReporting
connect.facebook.net/en_US/fbevents.js line 279, col 769

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
www.eldiario.es/
Not signed in with the identity provider.
TypeError: Cannot read properties of null (reading '1') at getCookie (<anonymous>:1:85) at main (<anonymous>:2:58) at <anonymous>:2:480 at https://www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW:919:429 at uR (https://www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW:921:31) at Md.tR (https://www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW:918:92) at Md.<anonymous> (https://www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW:382:187) at k.apply (https://www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW:311:466) at fb (https://www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW:274:719) at eb (https://www.googletagmanager.com/gtm.js?id=GTM-WRDHMPW:274:470)
news.google.com/swg/js/v1/swg.js
Uncaught (in promise) No config could be discovered in the page

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLMap URL
www.eldiario.es/vendor.h-5bd2772bdef2d90ace0e.js
static.eldiario.es/statics/public/sibbo/prebid_eldiario_es_20260317.min.js
es-config.sensic.net/s2s-web.jses-config.sensic.net/s2s-web.js.map
www.eldiario.es/assets/js/manifest.h-d91051ea7d0c9bd1981e0c1e15cf1bf2.jswww.eldiario.es/assets/js/manifest.js.map
news.google.com/swg/js/v1/swg.jsnews.google.com/swg/js/v1/swg.js.map
cdn.onesignal.com/sdks/OneSignalSDK.jscdn.onesignal.com/sdks/OneSignalSDK.js.map
cdn.onesignal.com/sdks/OneSignalPageSDKES6.js?v=151607cdn.onesignal.com/sdks/OneSignalPageSDKES6.js.map
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate clickjacking with XFO or CSP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
○Redirects HTTP traffic to HTTPS
100

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.

○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Document has a meta description
●Page has successful HTTP status code
●Links have descriptive text
●Links are crawlable
●robots.txt is valid
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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