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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.

18

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.

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
adtcdn.unidadeditorial.es/edw/migrate.js20.0 s1.3 MiB
components.unidadeditorial.es/ueCarousel/v1/ue-carousel-economy.js300.0 s182.2 KiB
cdn.permutive.com/10453011-272d-49cd-9043-1964fdb36fd8-web.js900.0 s194.2 KiB
adtcdn.unidadeditorial.es/gexp/_gam_kv_.js20.0 s150.2 KiB
cdn.tinypass.com/api/tinypass.min.js14400.0 s132.2 KiB
tags.tiqcdn.com/utag/unidadeditorial/expansion/prod/utag.js300.0 s79.1 KiB
c.amazon-adsystem.com/aax2/apstag.js3600.0 s90.9 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=24681800.0 s58.5 KiB
/178119d0-5586-4a4c-953e-04aaf9ac0994/loader.js?target_ty...7200.0 s56.6 KiB
/c2776f70b8c3108bbb031a9e3214e7d1/crop/162x0/1197x690/res...0.0 ms39.9 KiB
aswpsdkeu.com/notify/v1/ua-sdk.min.js300.0 s40.5 KiB
e00-elmundo.uecdn.es/js/pbex.js212191.0 s145.2 KiB
/d5853fa42f4b82b4d661f9aa146aabec/resize/328/f/webp/asset...0.0 ms35.2 KiB
/c8df15b6b82d8c311e9c16137b9d03fa/crop/21x153/1658x1244/r...0.0 ms33.8 KiB
/7deae3e622da191441e7675d79be8414/crop/0x0/1315x877/resiz...0.0 ms33.7 KiB
/1dac0e8e545c1eefcb5c29c098e98d19/crop/51x21/1587x1045/re...0.0 ms33.6 KiB
/e41ff8b50600836a0710ed7dd9654ec7/crop/33x0/1065x688/resi...0.0 ms32.6 KiB
/f73df3d58bc729c1d755f0b42ceaae43/crop/159x0/1889x1153/re...0.0 ms31.3 KiB
cdn.cxense.com/cx.js3600.0 s38.1 KiB
e00-ue.uecdn.es/piano/ue-piano-d659d681fbb5170a136d.min.js300.0 s30.0 KiB
/5d7db6be6c43dbcd8d0571848e2668d4/crop/10x10/652x438/resi...0.0 ms27.1 KiB
/8f2b3a2a83eeeee86f315ad9966ab566/crop/0x280/1320x1160/re...0.0 ms26.6 KiB
/266ead406c1cc5b7f2f6f81124c15fe7/resize/401/f/webp/asset...0.0 ms24.6 KiB
/42e55e9f24a80a996cc3d02f1a53b561/crop/21x148/1971x1448/r...0.0 ms23.6 KiB
/0d3cca24dfa9d8fa033f839f442cf8a5/crop/0x0/660x440/resize...0.0 ms21.9 KiB
/6540f18450e6c7c24df8cf422b129dd6/crop/246x20/1882x1111/r...0.0 ms20.7 KiB
sdk.mrf.io/statics/0639f9e9af1a7496d5c3.js3600.0 s24.0 KiB
/b6eb46f7a49d2196e075c1127e4efcf1/resize/232/f/webp/asset...0.0 ms18.6 KiB
/6be6bb78a6bd8026c22fb8e489b2fcf8/crop/260x11/1662x946/re...0.0 ms17.7 KiB
/f10c1db4f32db5fd4a3d7a65ae9d71ab/crop/95x64/1946x1298/re...0.0 ms16.4 KiB
/0afebf17a48b47d4825710c2239f5945/crop/205x103/1843x1195/...0.0 ms16.3 KiB
/720e2fa1aa0cb155f11df1b6ce8d7f6f/crop/65x60/1973x1332/re...0.0 ms15.9 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
/eab290c9ff414f49e167bbf69e88d286/crop/169x12/1758x1072/r...0.0 ms15.4 KiB
/1b50854a4a38c72cce53c59c8c17410e/crop/137x0/1902x1177/re...0.0 ms14.6 KiB
/98f51f8dd5a4e6c375a1d7fd46be8b7c/resize/317/f/webp/asset...0.0 ms14.5 KiB
/5bb7a58c627cdf85908b57fa110a2727/crop/0x89/2048x1454/res...0.0 ms14.1 KiB
/e74428e4bd0cb89db27d71d8a77bfab8/crop/84x0/1704x1080/res...0.0 ms14.0 KiB
/509cd33954d4d5ede7fc45786837853a/resize/317/f/webp/asset...0.0 ms13.8 KiB
/fc9ac7985622e356fc06b8511effa9c0/crop/0x18/2048x1383/res...0.0 ms13.7 KiB
components.unidadeditorial.es/lib/tpi/ue-swg/v1.9.0/ue-swg.min.js300.0 s13.8 KiB
/b7c59cf4b2601b2bb6701efa9d24ff1f/crop/38x193/2048x1533/r...0.0 ms13.1 KiB
/ee1a6c1363953e347073d89434f15f7c/crop/0x23/2048x1389/res...0.0 ms13.0 KiB
/07a20d7ea98bb17fc9e4dbcfe0232def/resize/317/f/webp/asset...0.0 ms12.7 KiB
/7e19a3e8619a51d89dde3205a81839a7/resize/232/f/webp/asset...0.0 ms12.5 KiB
/941ec2ac649767addb2389769528926f/crop/0x1/1982x1323/resi...0.0 ms12.5 KiB
/724478b863d8815386dec759cb41dee7/crop/163x0/1243x720/res...0.0 ms12.3 KiB
/c3f5eec52439f7cc993e52a194a7a995/crop/0x0/2048x1365/resi...0.0 ms12.2 KiB
/4919fc60a5706b271e8a7af16fd1c9b4/crop/285x0/1905x1080/re...0.0 ms12.1 KiB
/03e7d33b740e1795ee397e9fc30606c0/crop/171x0/1791x1080/re...0.0 ms11.9 KiB
/731b3ed20323e9f160ade9a5a2342d49/crop/155x60/1913x1232/r...0.0 ms11.8 KiB
/b4621856501b2294c623bf2dba6e40e3/crop/380x133/1713x1022/...0.0 ms11.7 KiB
/f2cc634c01bf42f3f26089a132ddd1a8/crop/248x61/1883x1151/r...0.0 ms11.6 KiB
/aed0365621541c7c1bba9ec1c247eb9c/crop/1x0/2048x1365/resi...0.0 ms11.5 KiB
/9f38ab0e19ddb017edfe666dfeb27f3b/crop/0x114/2048x1480/re...0.0 ms11.5 KiB
/8e2f06685502d751f610d04aee2f594f/crop/44x4/2032x1329/res...0.0 ms11.3 KiB
/a560e651267597738bebb7bc465025a1/resize/317/f/webp/asset...0.0 ms11.3 KiB
/15f97286c274cb0e0aa00efd5231c1ef/resize/232/f/webp/asset...0.0 ms11.2 KiB
/f8af8f477f292fecd1fc04b2612f0ee1/crop/1x0/2048x1365/resi...0.0 ms11.2 KiB
/assets/v3/js/desktop-bb0739f6d13ad92658aae18d5debf870240...212142.0 s42.7 KiB
/d3b7de2ba01f392665a07c28826756b7/crop/52x90/1215x866/res...0.0 ms10.7 KiB
/c4ec98aceb3f2a9760f9b259a66c23a5/crop/135x45/2026x1306/r...0.0 ms10.7 KiB
/c3168125651b02b1af5a15122dd185b9/resize/232/f/webp/asset...0.0 ms10.3 KiB
/0aabcd85bada578faf8584d4cd32f417/resize/232/f/webp/asset...0.0 ms10.1 KiB
/7617e0d0e8c4280d70a46807bf9c0807/crop/0x884/2048x2249/re...0.0 ms9.9 KiB
/da4fb425c185063cc774acd08c461ce1/resize/232/f/webp/asset...0.0 ms9.8 KiB
/60af1c16e2781f8f24e25ba9c7a2900b/resize/317/f/webp/asset...0.0 ms9.6 KiB
/5df84b78c54f1a740c364ae252836d8d/crop/0x0/2048x1365/resi...0.0 ms9.6 KiB
pagead2.googlesyndication.com/pagead/show_companion_ad.js?fcd=true3600.0 s11.7 KiB
e01-expansion.uecdn.es/assets/v3/css/ue-c-core-expansion-desktop.css212159.0 s36.6 KiB
/7ec0afb0a651a1b0a463d804dc4e8493/resize/317/f/webp/asset...0.0 ms9.1 KiB
e00-ue.uecdn.es/permutive/ue-permutive.min.js300.0 s9.3 KiB
/2949d2095700ac1d59e7fa3d3c7a9982/crop/381x287/1747x1197/...0.0 ms8.8 KiB
/f1991c82f2efa392fdc01402ad1b6df4/resize/160/f/webp/asset...0.0 ms8.8 KiB
/62c698cd06df511cca5622fc8445d5aa/crop/231x108/1689x1080/...0.0 ms8.7 KiB
/7481f09446afed9581c31cdb5e34edac/crop/970x236/2048x955/r...0.0 ms8.6 KiB
/981cafa13a728290a220f2a61bb0d5be/crop/290x63/1711x1010/r...0.0 ms8.6 KiB
/f83ea658c9e649248c76b39f61ebb114/crop/37x0/1997x1307/res...0.0 ms7.9 KiB
/be11a6b3d0a4029c40e073beee3c8dcb/crop/81x0/861x520/resiz...0.0 ms7.6 KiB
/3de851700d6ebc734309480001603dfe/crop/0x81/2048x1446/res...0.0 ms7.6 KiB
snap.licdn.com/li.lms-analytics/insight.min.js86400.0 s18.7 KiB
/531da2f344b734cf412f8787734528ae/crop/0x0/2037x1358/resi...0.0 ms7.4 KiB
/b16811904d219688aba444dcb28a83d5/crop/0x0/2044x1363/resi...0.0 ms7.0 KiB
static.chartbeat.com/js/chartbeat.js86400.0 s15.9 KiB
/utag/unidadeditorial/expansion/prod/utag.26.js?utv=ut4.4...300.0 s6.6 KiB
/assets/multimedia/imagenes/includes_banners/2026/04/b05e...374548.0 s37.1 KiB
e00-ue.uecdn.es/cookies/js/policy_v4.js300.0 s6.4 KiB
/ng/common/i18n/platform-translation-map_en_US.js?version...86400.0 s13.7 KiB
cdn.cxense.com/cx.cce.js3600.0 s6.8 KiB
/_sam/H4sIAAAAAAAA_z3IwQ6AIAgA0B9KmJ76m4bJHI6oBa7f7-bt7eE...603534.0 s52.9 KiB
cdn.cxense.com/ari-ci.js3600.0 s6.3 KiB
e01-expansion.uecdn.es/assets/uelogin/v2/ueLogin.c54b38830b69fa808a74.js212154.0 s18.6 KiB
buy.tinypass.com/widget/dist/template/css/template.bundle.1.0.css1200.0 s5.3 KiB
/assets/consent/v1/ueconsent-f3b38f2ba33e6aeef7128d819dee...487248.0 s33.0 KiB
e01-expansion.uecdn.es/assets/v3/js/jquery.2.1.4.js487243.0 s31.9 KiB
e01-expansion.uecdn.es/assets/navcontinua/v9/navegacioncontinua.min.js212126.0 s14.7 KiB
sdk.mrf.io/statics/compass-multimedia-sdk.js?version=22583600.0 s4.3 KiB
/assets/uedailymotion/v1/uedailymotion_expansion_d97d12bd...212180.0 s13.2 KiB
sdk.mrf.io/statics/448e489eee47e22e5c8c.js3600.0 s3.9 KiB
es-config.sensic.net/s2s-web.js1209600.0 s31.0 KiB
/showtemplate/general/loadTranslationMap?aid=PFwDcEgKpu&v...86400.0 s7.2 KiB
sb.scorecardresearch.com/internal-cs/default/beacon.js86400.0 s6.7 KiB
/assets/cover/expansion/v1/main-cover.f7124e7f786d55c888b...467948.0 s18.5 KiB
buy.tinypass.com/widget/dist/template/css/img/fail-icon.png1200.0 s2.4 KiB
e01-expansion.uecdn.es/encuentros/img/3/X/s0h05w0OyPtpBc4STjog_100x100.jpg476794.0 s14.6 KiB
/utag/unidadeditorial/expansion/prod/utag.38.js?utv=ut4.4...300.0 s2.0 KiB
optiyield.opti-digital.com/pfc/?pubid=990719773600.0 s2.3 KiB
/imagenes/bt/2026/04/15/captura-de-pantalla-2026-04-15-10...550655.0 s14.3 KiB
e00-expansion.uecdn.es/ed/img/expansion-logo-bl.png212127.0 s6.0 KiB
e00-expansion.uecdn.es/ed/img/piano/2026/ofertas/6-6/Desktop_1100-x178.png373563.0 s9.2 KiB
experience.tinypass.com/xbuilder/experience/load?aid=PFwDcEgKpu1800.0 s1.7 KiB
e00-expansion.uecdn.es/imagenes/bt/2026/04/15/69dfaae96d55_10.jpg604800.0 s12.9 KiB
e00-expansion.uecdn.es/ed/img/piano/2026/ofertas/6-6/351x360_Escritorio.png373579.0 s7.7 KiB
e01-expansion.uecdn.es/assets/v3/js/kalturaue-expansion.min.js487271.0 s8.5 KiB
e01-expansion.uecdn.es/assets/v3/js/ue-utils.js212190.0 s4.0 KiB
e00-expansion.uecdn.es/ed/img/piano/2026/ofertas/6-6/240x360_desktop.png373543.0 s6.1 KiB
e01-expansion.uecdn.es/assets/v3/img/sponsors/bazar.png212204.0 s3.3 KiB
e00-expansion.uecdn.es/assets/v3/img/svg/expansion-footer.svg212221.0 s3.0 KiB
applets.ebxcdn.com/ebx.js7200.0 s1.0 KiB
e01-expansion.uecdn.es/assets/v3/img/svg/expansion-40-aniversario.svg487291.0 s4.9 KiB
img.tradedoubler.com/images/inv.gif0.0 ms622 B
tags.tiqcdn.com/utag/unidadeditorial/expansion/prod/utag.sync.js300.0 s550 B
e00-expansion.uecdn.es/assets/v3/img/svg/elmundo-mod-bt-portada.svg212196.0 s2.0 KiB
/assets/v3/img/sponsors/patrocinio-bankinter-carrusel-por...470706.0 s3.2 KiB
e01-expansion.uecdn.es/assets/v3/img/svg/logo_experian_axesor_servicios.svg487267.0 s3.1 KiB
e00-expansion.uecdn.es/assets/v3/img/banderas/pais_vasco.png212143.0 s1.6 KiB
/utag/tiqapp/utag.v.js?a=unidadeditorial/expansion/202604...300.0 s433 B
e00-expansion.uecdn.es/assets/v3/img/banderas/comunidad_valenciana.png212143.0 s1.4 KiB
e00-expansion.uecdn.es/assets/v3/img/banderas/catalunia.png212188.0 s1.4 KiB
e01-expansion.uecdn.es/assets/v1/img/ico-encuentros.png604800.0 s3.4 KiB
/collect?v=2&fmt=js&pid=5000745&time=1776294980345&li_ads...0.0 ms273 B
e00-expansion.uecdn.es/assets/v3/img/svg/icon/linkedin_ffffff_28x28.svg212163.0 s952 B
buy.tinypass.com/widget/dist/template/css/template.bundle.1.0.css1200.0 s255 B
e00-expansion.uecdn.es/assets/v3/img/banderas/galicia.png487278.0 s1.6 KiB
e00-elmundo.uecdn.es/js/uecomscore_cmp_event.js212151.0 s799 B
e00-expansion.uecdn.es/assets/v3/img/svg/icon/facebook_ffffff_28x28.svg212150.0 s739 B
e00-expansion.uecdn.es/assets/v3/img/svg/icon/instagram_ffffff_28x28.svg487291.0 s1.2 KiB
e00-expansion.uecdn.es/assets/v3/img/icon/arrow_down_12x12_a.png212121.0 s521 B
e00-expansion.uecdn.es/assets/v3/img/icon/arrow_down_12x12_ediciones.png212269.0 s521 B
e00-expansion.uecdn.es/assets/v3/img/icon/adelante_16_d.png212248.0 s520 B
e01-expansion.uecdn.es/ed/js/specials/patrocinio-carrusel-mercados-bankinter.js470698.0 s896 B
e00-expansion.uecdn.es/assets/v3/img/icon/pausa_16_d.png212206.0 s487 B
e00-expansion.uecdn.es/assets/v3/img/icon/search_16x16_a.png487272.0 s795 B
e00-expansion.uecdn.es/assets/v3/img/svg/icon/twitter_black_28x28.svg487245.0 s746 B
e00-expansion.uecdn.es/assets/v3/img/icon/atras_16_d.png487295.0 s521 B
/_sam/H4sIAAAAAAAA_z3IwQ6AIAgA0B9KmJ76m4bJHI6oBa7f7-bt7eE...603534.0 s0 B
/_sam/H4sIAAAAAAAA_z3IwQ6AIAgA0B9KmJ76m4bJHI6oBa7f7-bt7eE...603534.0 s0 B
/ng/common/i18n/platform-translation-map_en_US.js?version...86400.0 s0 B
/ng/common/i18n/platform-translation-map_en_US.js?version...86400.0 s0 B
/showtemplate/general/loadTranslationMap?aid=PFwDcEgKpu&v...86400.0 s0 B
/showtemplate/general/loadTranslationMap?aid=PFwDcEgKpu&v...86400.0 s0 B
e00-expansion.uecdn.es/ed/img/expansion-logo-bl.png212127.0 s0 B

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.69804] map[node:map[boundingRect:map[bottom:940 height:178 left:0 right:1350 top:762 width:1350] lhId:page-17-ASIDE nodeLabel:body.portada > aside#banda_suscripcion path:1,HTML,1,BODY,39,ASIDE selector:body.portada > aside#banda_suscripcion snippet:<aside id="banda_suscripcion" class="banda_suscripcion premium" style="bottom:0;"> type:node] score:0.381328 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:94 height:25 left:407 right:522 top:70 width:115] lhId:page-21-IMG nodeLabel:Logo path:1,HTML,1,BODY,1,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,DIV,0,DIV,0,IMG selector:div.didomi-popup-container > div.didomi-popup-view > div.didomi-popup-notice-logo-container > img.didomi-popup-notice-logo snippet:<img class="didomi-popup-notice-logo" alt="Logo" src="https://e00-expansion.uecdn.es/ed/img/expansion-logo-bl.png" role="heading" aria-level="1"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:940 height:178 left:0 right:1350 top:762 width:1350] lhId:page-17-ASIDE nodeLabel:body.portada > aside#banda_suscripcion path:1,HTML,1,BODY,39,ASIDE selector:body.portada > aside#banda_suscripcion snippet:<aside id="banda_suscripcion" class="banda_suscripcion premium" style="bottom:0;"> type:node] score:0.26322] map[node:map[boundingRect:map[bottom:2234 height:1868 left:0 right:1350 top:366 width:1350] lhId:page-11-DIV nodeLabel:EMPRESAS Las 'Big Four' ingresan un 9,2% más REDACCIÓN: NEREA SAN ESTEBAN Delo… path:1,HTML,1,BODY,26,MAIN,13,DIV selector:body.portada > main#js_54f0644d268e3e0a698b456d > div.ue-l-cover-grid snippet:<div class="ue-l-cover-grid "> type:node] score:0.042529] map[node:map[boundingRect:map[bottom:940 height:178 left:0 right:1350 top:762 width:1350] lhId:page-17-ASIDE nodeLabel:body.portada > aside#banda_suscripcion path:1,HTML,1,BODY,39,ASIDE selector:body.portada > aside#banda_suscripcion snippet:<aside id="banda_suscripcion" class="banda_suscripcion premium" style="bottom:0;"> type:node] score:0.005374 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:94 height:25 left:407 right:522 top:70 width:115] lhId:page-21-IMG nodeLabel:Logo path:1,HTML,1,BODY,1,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,DIV,0,DIV,0,IMG selector:div.didomi-popup-container > div.didomi-popup-view > div.didomi-popup-notice-logo-container > img.didomi-popup-notice-logo snippet:<img class="didomi-popup-notice-logo" alt="Logo" src="https://e00-expansion.uecdn.es/ed/img/expansion-logo-bl.png" role="heading" aria-level="1"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:902 height:158 left:375 right:975 top:744 width:600] lhId:page-20-DIV nodeLabel:Accept and continueDecline and subscribe path:1,HTML,1,BODY,1,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,DIV,1,DIV,1,DIV,0,P,1,DIV selector:div.didomi-popup-notice-text-container > div.didomi-popup-notice-text > p > div#ue-notice-buttons snippet:<div id="ue-notice-buttons" class="ue-notice-buttons"> type:node] score:0.003984]]

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:8.159 source:map[column:126313 line:1 type:source-location url:https://cdn.tinypass.com/api/tinypass.min.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:71.803 source:map[type:text value:[unattributed]]] map[reflowTime:3.261 source:map[column:33383 line:0 type:source-location url:https://cdn.tinypass.com/api/tinypass.min.js urlProvider:network]] map[reflowTime:2.384 source:map[column:33416 line:0 type:source-location url:https://cdn.tinypass.com/api/tinypass.min.js urlProvider:network]] map[reflowTime:72.074 source:map[column:10385 line:1 type:source-location url:https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/ui-web-en-web.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js urlProvider:network]] map[reflowTime:4.375 source:map[column:11488 line:1 type:source-location url:https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/ui-web-en-web.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js urlProvider:network]] map[reflowTime:18.503 source:map[column:38273 line:1 type:source-location url:https://sdk.mrf.io/statics/marfeel-sdk.js?id=2468 urlProvider:network]] map[reflowTime:0.446 source:map[column:104055 line:0 type:source-location url:https://adtcdn.unidadeditorial.es/gexp/_gam_kv_.js urlProvider:network]] map[reflowTime:6.11 source:map[column:296425 line:0 type:source-location url:https://cdn.tinypass.com/api/tinypass.min.js urlProvider:network]] map[reflowTime:1.214 source:map[column:47309 line:0 type:source-location url:https://e00-expansion.uecdn.es/assets/consent/v1/ueconsent-f3b38f2ba33e6aeef7128d819dee60ba0821d614.min.js urlProvider:network]]]

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-IMG
nodeLabel: Fotomontaje de las Big Four
path: 1,HTML,1,BODY,26,MAIN,13,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,ARTICLE,0,DIV,0,DIV,0,FIGURE,0,DIV,0,PICTURE,2,IMG
selector: figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
snippet: <img width="1315" height="877" class="ue-c-cover-content__image" alt="Fotomontaje de las Big Four" src="https://e01-phantom-expansion.uecdn.es/7deae3e622da191441e7675d79be8414/cr…" data-mrf-layout-img="">

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.

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
value: no origins were preconnected
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

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.

Why this matters

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div.ue-l-cover-grid__unit > div.publicidad > a > img div.ue-l-cover-grid__unit > div.publicidad > a > img
/assets/multimedia/imagenes/includes_banners/2026/04/b05e...36.6 KiB31.2 KiB
div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image
/d5853fa42f4b82b4d661f9aa146aabec/resize/328/f/webp/asset...34.6 KiB22.9 KiB
Vista aérea de la ciudad de Barcelona. figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/c8df15b6b82d8c311e9c16137b9d03fa/crop/21x153/1658x1244/r...33.2 KiB22.3 KiB
Ignacio Galán, presidente ejecutivo de Iberdrola; Marta Ortega, presidenta de I… figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/5d7db6be6c43dbcd8d0571848e2668d4/crop/10x10/652x438/resi...26.5 KiB15.7 KiB
Roig Arena. figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/1dac0e8e545c1eefcb5c29c098e98d19/crop/51x21/1587x1045/re...33.0 KiB15.6 KiB
Recreación del futuro Aeropuerto de Varsovia figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/42e55e9f24a80a996cc3d02f1a53b561/crop/21x148/1971x1448/r...23.1 KiB12.2 KiB
De izquierda a derecha y de arriba a abajo: David Lucas, secretario de Estado d… figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/b6eb46f7a49d2196e075c1127e4efcf1/resize/232/f/webp/asset...18.0 KiB12.2 KiB
Montaje con los bancos del Ibex figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/0d3cca24dfa9d8fa033f839f442cf8a5/crop/0x0/660x440/resize...21.3 KiB10.4 KiB
Montaje del estrecho de Ormuz. figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/0afebf17a48b47d4825710c2239f5945/crop/205x103/1843x1195/...15.8 KiB9.9 KiB
El equipo periodístico de EXPANSIÓN se despliega en las redacciones de Madrid (… figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/720e2fa1aa0cb155f11df1b6ce8d7f6f/crop/65x60/1973x1332/re...15.3 KiB9.5 KiB
Fotomontaje de las Big Four figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/7deae3e622da191441e7675d79be8414/crop/0x0/1315x877/resiz...33.2 KiB7.7 KiB
figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/266ead406c1cc5b7f2f6f81124c15fe7/resize/401/f/webp/asset...24.1 KiB6.6 KiB
Sede de Unidad Editorial figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/6be6bb78a6bd8026c22fb8e489b2fcf8/crop/260x11/1662x946/re...17.2 KiB6.3 KiB
figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/7e19a3e8619a51d89dde3205a81839a7/resize/232/f/webp/asset...12.0 KiB6.1 KiB
figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/4919fc60a5706b271e8a7af16fd1c9b4/crop/285x0/1905x1080/re...11.6 KiB5.7 KiB
Ana Botín, presidenta de Banco Santander, y David Francés, nuevo jefe de Estrat… figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/f1991c82f2efa392fdc01402ad1b6df4/resize/160/f/webp/asset...8.3 KiB5.5 KiB
Sede de Indra en Alcobendas, Madrid. figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/62c698cd06df511cca5622fc8445d5aa/crop/231x108/1689x1080/...8.2 KiB5.4 KiB
Logo div.didomi-popup-container > div.didomi-popup-view > div.didomi-popup-notice-logo-container > img.didomi-popup-notice-logo
e00-expansion.uecdn.es/ed/img/expansion-logo-bl.png5.7 KiB5.2 KiB
figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/15f97286c274cb0e0aa00efd5231c1ef/resize/232/f/webp/asset...10.7 KiB4.9 KiB
Emmanuel Roman, consejero delegado de Pimco figure.ue-c-cover-content__figure > div.ue-c-cover-content__img-container > picture > img.ue-c-cover-content__image
/531da2f344b734cf412f8787734528ae/crop/0x0/2037x1358/resi...6.9 KiB4.1 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: 635 ms
URLTime Spent
expansion.com/635 ms
www.expansion.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

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
body.portada > aside#banda_suscripcion body.portada > aside#banda_suscripcion
0.381
body.portada > aside#banda_suscripcion body.portada > aside#banda_suscripcion
0.263
EMPRESAS Las 'Big Four' ingresan un 9,2% más REDACCIÓN: NEREA SAN ESTEBAN Delo… body.portada > main#js_54f0644d268e3e0a698b456d > div.ue-l-cover-grid
0.043
body.portada > aside#banda_suscripcion body.portada > aside#banda_suscripcion
0.005
Accept and continueDecline and subscribe div.didomi-popup-notice-text-container > div.didomi-popup-notice-text > p > div#ue-notice-buttons
0.004
Patrocinador Bankinter body.portada > main#js_54f0644d268e3e0a698b456d > div.ue-l-cover-grid
0.001
Newsletters Inicie sesión header.site-header > div.container-header > div.site-logo > aside.tools-header
0.001
Las firmas medianas superan los 1.400 millones en pleno 'boom' inversor div.ue-c-cover-content__footer > ul.ue-c-cover-content__related-links > li.ue-c-cover-content__related-link > a
0.000
Siguiente button.ue-l-carousel__controls
0.000
Siguiente button.ue-l-carousel__controls
0.000
Siguiente button.ue-l-carousel__controls
0.000

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

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: 330 ms 497.6 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 30 ms 62.2 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: 650 ms 1.9 MiB
URLTransfer SizeEst Savings
adtcdn.unidadeditorial.es/edw/migrate.js1.3 MiB805.9 KiB
/pagead/managed/js/gpt/m202604100101/pubads_impl.js186.4 KiB130.3 KiB
www.googletagmanager.com/gtag/js?id=AW-791139749&cx=c&gtm=4e64e1133.8 KiB101.2 KiB
e00-elmundo.uecdn.es/js/pbex.js144.8 KiB99.4 KiB
adtcdn.unidadeditorial.es/gexp/_gam_kv_.js149.6 KiB97.5 KiB
cdn.tinypass.com/api/tinypass.min.js131.7 KiB69.8 KiB
www.googletagmanager.com/gtag/destination?id=DC-12125487&cx=c&gtm=4e64e1129.1 KiB63.5 KiB
www.googletagmanager.com/gtag/js?id=AW-10944295485&cx=c&gtm=4e64e1145.2 KiB63.3 KiB
www.googletagmanager.com/gtag/js?id=AW-791139749133.8 KiB61.5 KiB
www.googletagmanager.com/gtag/js?id=G-6PBJCECHCM&cx=c&gtm=4e64e1144.9 KiB60.2 KiB
www.googletagmanager.com/gtag/js?id=UA-181957286-3115.4 KiB59.1 KiB
/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/sdk....101.7 KiB42.2 KiB
cdn.permutive.com/10453011-272d-49cd-9043-1964fdb36fd8-web.js193.7 KiB39.3 KiB
tags.tiqcdn.com/utag/unidadeditorial/expansion/prod/utag.js78.7 KiB35.5 KiB
/assets/v3/js/desktop-bb0739f6d13ad92658aae18d5debf870240...42.3 KiB34.4 KiB
fundingchoicesmessages.google.com/i/pub-2081531155174950?ers=168.5 KiB33.3 KiB
c.amazon-adsystem.com/aax2/apstag.js50.9 KiB32.4 KiB
aswpsdkeu.com/notify/v1/ua-sdk.min.js40.1 KiB29.5 KiB
components.unidadeditorial.es/ueCarousel/v1/ue-carousel-economy.js181.7 KiB26.5 KiB
cdn.cxense.com/cx.js37.5 KiB24.6 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=246858.1 KiB22.1 KiB
sdk.mrf.io/statics/0639f9e9af1a7496d5c3.js23.5 KiB21.8 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.

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 Evaluation2.1 s
Other649 ms
Script Parsing & Compilation449 ms
Style & Layout365 ms
Rendering79 ms
Parse HTML & CSS77 ms
Garbage Collection64 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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in a sub frame.Actionable

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image
/d5853fa42f4b82b4d661f9aa146aabec/resize/328/f/webp/asset...
Muere mientras intentaba batir un récord de ultramaratón en honor a un amigo fa… article.ue-c-cover-content > div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > img.ue-c-cover-content__image
e00-expansion.uecdn.es/imagenes/bt/2026/04/15/69dfaae96d55_10.jpg
La Inspección de Trabajo lo confirma: llamar a un empleado fuera de su jornada … article.mod-item > figure.multimedia-item > a.image-item > img
/imagenes/bt/2026/04/15/captura-de-pantalla-2026-04-15-10...
div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image
/98f51f8dd5a4e6c375a1d7fd46be8b7c/resize/317/f/webp/asset...
div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image div.ue-c-cover-content__media > figure.ue-c-cover-content__figure > picture > img.ue-c-cover-content__image
/7ec0afb0a651a1b0a463d804dc4e8493/resize/317/f/webp/asset...
div.ue-l-cover-grid__unit > div.publicidad > a > img div.ue-l-cover-grid__unit > div.publicidad > a > img
/assets/multimedia/imagenes/includes_banners/2026/04/b05e...
https://e01-expansion.uecdn.es/encuentros/img/3/X/s0h05w0OyPtpBc4STjog_100x100.… div.ue-c-widget > div.ue-c-widget__body > div.ue-c-widget__article > img.ue-c-widget__article-img
e01-expansion.uecdn.es/encuentros/img/3/X/s0h05w0OyPtpBc4STjog_100x100.jpg
bazar div.ue-c-cover-content__body > div.ue-c-cover-content__main > div.ue-c-cover-content__sponsor > img.ue-c-cover-content__sponsor-logo
e01-expansion.uecdn.es/assets/v3/img/sponsors/bazar.png
Logo div.didomi-popup-container > div.didomi-popup-view > div.didomi-popup-notice-logo-container > img.didomi-popup-notice-logo
e00-expansion.uecdn.es/ed/img/expansion-logo-bl.png
Experian - Axesor div.ue-c-widget__article > div.ue-c-widget__article-sponsor > a > img
e01-expansion.uecdn.es/assets/v3/img/svg/logo_experian_axesor_servicios.svg
icono encuentro digital div.ue-l-cover-grid__unit > div.ue-c-widget > div.ue-c-widget__header > img.ue-c-widget_sponsor
e01-expansion.uecdn.es/assets/v1/img/ico-encuentros.png

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

Optimize DOM size
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 18 user timings
Avoid long main-thread tasks 14 long tasks found
Avoid non-composited animations 1 animated element found
Network Requests
Network Round Trip Times 170 ms
Server Backend Latencies 600 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 0 ms
INP breakdown
80

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

Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid names. Learn more about valid ARIA attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Muere mientras intentaba batir un récord de ultramaratón en honor a un amigo fa… div.ue-l-cover-grid__block > div.ue-l-cover-grid__row > div.ue-l-cover-grid__unit > article.ue-c-cover-content

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Jueves, 16 de abril header.site-header > div.container-header > div.site-logo > time.date-home
Ediciones div.site-logo > div.editions > div.main-edition-dropdown > label.show-edition-active
Inicie sesión ul.tools-header-corporative > li.tools-corporative-login > a.tools-corporative-link > span
Otros indicadores ul#tablist > li.ue-l-tab__item > button#tab_one_01
baja -100,30 -0,55% div.ue-l-carousel__column > div.ue-c-widget--slider-element > a > p.ue-c-widget--slider-variation
baja -10,60 -0,59% div.ue-l-carousel__column > div.ue-c-widget--slider-element > a > p.ue-c-widget--slider-variation
baja -367,80 -0,55% div.ue-l-carousel__column > div.ue-c-widget--slider-element > a > p.ue-c-widget--slider-variation
baja -44,17 -0,74% div.ue-l-carousel__column > div.ue-c-widget--slider-element > a > p.ue-c-widget--slider-variation
sube +22,48 +0,09% div.ue-l-carousel__column > div.ue-c-widget--slider-element > a > p.ue-c-widget--slider-variation
baja -72,27 -0,15% div.ue-l-carousel__column > div.ue-c-widget--slider-element > a > p.ue-c-widget--slider-variation

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.ue-l-cover-grid__unit > div.publicidad > a > img div.ue-l-cover-grid__unit > div.publicidad > a > img
div.ue-l-cover-grid__unit > div.publicidad > div#pixelcontabilizacionNLalerta > img div.ue-l-cover-grid__unit > div.publicidad > div#pixelcontabilizacionNLalerta > img

Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
ul.tools-header-corporative > li.tools-corporative-subscription > div.tp-container-inner > iframe#offer_a3cc72583519a9d27b00-0 ul.tools-header-corporative > li.tools-corporative-subscription > div.tp-container-inner > iframe#offer_a3cc72583519a9d27b00-0
div.ue-l-cover-grid__unit > div.ue-c-subscription-ad > div.tp-container-inner > iframe#offer_fae082cddd96a573ecdd-0 div.ue-l-cover-grid__unit > div.ue-c-subscription-ad > div.tp-container-inner > iframe#offer_fae082cddd96a573ecdd-0
body.portada > aside#banda_suscripcion > div.tp-container-inner > iframe#offer_a975e1cc41a3a9691968-0 body.portada > aside#banda_suscripcion > div.tp-container-inner > iframe#offer_a975e1cc41a3a9691968-0

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
div.container-header > div.header-search > div.search-btn > a div.container-header > div.header-search > div.search-btn > a
article.ue-c-cover-content > div.ue-c-cover-content__body > div.ue-c-cover-content__media > a.image-item article.ue-c-cover-content > div.ue-c-cover-content__body > div.ue-c-cover-content__media > a.image-item
div.ue-l-cover-grid__row > div.ue-l-cover-grid__unit > div.publicidad > a div.ue-l-cover-grid__row > div.ue-l-cover-grid__unit > div.publicidad > a

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

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
div.ue-c-widget > div.ue-c-widget__header > span.ue-c-widget__header-arrow > a div.ue-c-widget > div.ue-c-widget__header > span.ue-c-widget__header-arrow > a
div.ue-c-widget > div.ue-c-widget__header > span.ue-c-widget__header-arrow > a div.ue-c-widget > div.ue-c-widget__header > span.ue-c-widget__header-arrow > a

These items highlight common accessibility best practices.

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
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
`[role]` values are valid
`[aria-*]` attributes have valid values
Buttons have an accessible name
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
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
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
Heading elements appear in a sequentially-descending order
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
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
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
`<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
Links are distinguishable without relying on color.
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.
Elements with visible text labels have matching accessible names.
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
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/.
AttributionReporting

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.expansion.com/ line 1757, col 0
Error: <path> attribute d: Expected number, "…9 6.9a.5.5 0 0 1-\n .707 0z".
Error: No hay objeto podcast
euconsent-v2 not found
Failed to load resource: net::ERR_SSL_PROTOCOL_ERROR
No se encontró el banner con el selector proporcionado
Uncaught ReferenceError: dailymotion is not defined
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
Page has valid source maps
Redirects HTTP traffic to HTTPS
77

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.expansion.com/menu.htmlMás

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.ue-l-cover-grid__unit > div.publicidad > a > img div.ue-l-cover-grid__unit > div.publicidad > a > img
div.ue-l-cover-grid__unit > div.publicidad > div#pixelcontabilizacionNLalerta > img div.ue-l-cover-grid__unit > div.publicidad > div#pixelcontabilizacionNLalerta > img

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
Login div.didomi-popup-view > div.didomi-popup-notice-text-container > span.didomi-offers__premium > a.didomi-offers__login
"Learn more" div.didomi-popup-notice-text-container > div.didomi-popup-notice-text > p > a
Reproducir div#alerta > ul.controles > li > a.play
Parar div#alerta > ul.controles > li > a.stop
Anterior div#alerta > ul.controles > li > a.anterior
Siguiente div#alerta > ul.controles > li > a.siguiente

To appear in search results, crawlers need access to your app.

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
robots.txt is valid
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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