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· 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.

36

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
cdn.lib.getjad.io/library/1018282/xataka7200.0 s215.5 KiB
cdn.permutive.com/28986622-e6be-473d-9a8f-e603a25f3c66-web.js900.0 s145.0 KiB
/signals/config/492130851899265?v=2.9.303&r=stable&domain...1200.0 s125.4 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
c.amazon-adsystem.com/aax2/apstag.js3600.0 s90.9 KiB
connect.facebook.net/es_ES/bundle/sdk.js/1200.0 s78.5 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s73.1 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=20971800.0 s60.8 KiB
img.youtube.com/vi/HAzcHmFFmf4/sddefault.jpg7200.0 s55.5 KiB
service.wemass.com/dmp/2fcfc4a018b5c0c7175405f429793123.js180.0 s40.7 KiB
i.ytimg.com/vi_webp/YiC6wOhM0Jo/sddefault.webp300.0 s34.2 KiB
btloader.com/tag?o=5174116709826560&upapi=true300.0 s31.3 KiB
cdn.id5-sync.com/api/1.0/id5-api.js3600.0 s34.5 KiB
scripts.clarity.ms/0.8.59-beta/clarity.js0.0 ms26.1 KiB
cdn.insiad.com/ins-ag/ins-ag.min.js3600.0 s26.3 KiB
pagead2.googlesyndication.com/pagead/js/rum.js?fcd=true3600.0 s25.1 KiB
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js900.0 s21.7 KiB
static.criteo.net/js/ld/publishertag.js86400.0 s47.6 KiB
s0.2mdn.net/879366/express_html_inpage_rendering_lib_200_287.js86400.0 s40.9 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
ep2.adtrafficquality.google/sodar/VFc2VJAc.js3000.0 s14.4 KiB
cdn.browsiprod.com/bootstrap/bootstrap.js3600.0 s14.3 KiB
img.youtube.com/vi/2PxtbtywQFg/mqdefault.jpg7200.0 s13.7 KiB
img.youtube.com/vi/hKwYCuye4VM/mqdefault.jpg7200.0 s13.0 KiB
geo.dailymotion.com/libs/player/x8gm6.js60.0 s9.3 KiB
img.youtube.com/vi/tGg2NcOaE2o/mqdefault.jpg7200.0 s11.9 KiB
img.youtube.com/vi/fUuGhDOmTyM/mqdefault.jpg7200.0 s11.4 KiB
img.youtube.com/vi/8TFXgJyUlhA/mqdefault.jpg7200.0 s10.9 KiB
player.twitch.tv/js/embed/v1.js0.0 ms8.2 KiB
img.youtube.com/vi/zF2bIIyWmQE/mqdefault.jpg7200.0 s10.6 KiB
img.youtube.com/vi/HAzcHmFFmf4/mqdefault.jpg7200.0 s10.3 KiB
js-sec.indexww.com/ht/p/186247-34549482148542.js14400.0 s11.0 KiB
img.youtube.com/vi/EQb-M_eWzXU/mqdefault.jpg7200.0 s9.7 KiB
static.criteo.net/js/ld/publishertag.ids.js86400.0 s14.8 KiB
eus.rubiconproject.com/usync.js44852.0 s11.5 KiB
connect.facebook.net/es_ES/sdk.js1200.0 s5.0 KiB
a.amxrtb.com/js/cframe.js#gdpr=0&gdpr_consent=&cc=SG14400.0 s5.1 KiB
cdn.browsiprod.com/web-vitals/web-vitals-4.2.3.js0.0 ms3.0 KiB
img.youtube.com/vi/87qy0vlIGqM/mqdefault.jpg7200.0 s3.9 KiB
invstatic101.creativecdn.com/encrypted-signals/encrypted-tag-g.js0.0 ms2.9 KiB
sb.scorecardresearch.com/internal-cs/6035191/beacon.js86400.0 s6.7 KiB
s.adroll.com/j/ad-choices.png0.0 ms1.6 KiB
cdn.first-id.fr/sdk/loader/loader.min.js1215.0 s1.7 KiB
config.aps.amazon-adsystem.com/configs/35003600.0 s1.6 KiB
ads.pubmatic.com/AdServer/js/userSync.js156938.0 s3.9 KiB
rum-static.pingdom.net/pa-5174efd6abe53d9538000000.js86400.0 s2.9 KiB
pagead2.googlesyndication.com/pagead/js/r20260421/r20110914/abg_lite.js1209600.0 s10.5 KiB
id5-sync.com/c/1665/0/8/1.gif?gdpr=0&gdpr_consent=&us_privacy=0.0 ms1.0 KiB
s.ytimg.com/yts/jsbin/www-widgetapi-vfl1Omgyb/www-widgetapi.js691200.0 s9.2 KiB
id5-sync.com/i/102/9.gif?gdpr=0&gdpr_consent=0.0 ms916 B
/pagead/js/r20260421/r20110914/client/qs_click_protection...1209600.0 s8.9 KiB
/cs/usync?idmn=241&id=ogzM9ZSdDObAyB4UY3MfkoEL4YTJPr2WFqh...0.0 ms894 B
/cs/usync?idmn=1083&type=iframe&id=99711950-2873-53ba-bef...0.0 ms888 B
/cs/usync?idmn=869&type=iframe&id=99711950-2873-53ba-befc...0.0 ms887 B
/cs/usync?idmn=sharthrough&id=aa663c3a-d969-4899-9ec1-cc2...0.0 ms886 B
ssp.api.tappx.com/cs/usync?idmn=45&id=4315300427942842443&gdpr=0&gdpr_consent=0.0 ms866 B
ssp.api.tappx.com/cs/usync?idmn=58&type=iframe&id=213295691260762&auxuid=0.0 ms865 B
ssp.api.tappx.com/cs/usync?idmn=82&type=iframe&id=a8e7066ece&auxuid=0.0 ms860 B
ssp.api.tappx.com/cs/usync?idmn=162&type=iframe&id=OPTOUT&auxuid=0.0 ms857 B
boot.pbstck.com/v1/tag/88286c28-0cb2-4ee2-b9eb-bc4fecf759761200.0 s937 B
storage.googleapis.com/fledge-tests/otToken.js3600.0 s894 B
/cookie?redirect_url=https%3A%2F%2Fprebid-server.pbstck.c...0.0 ms521 B
/cookie?redirect_url=https%3A%2F%2Fmeasureadv.com%2FuserB...0.0 ms519 B
sijai.wemass.com/0.0 ms497 B
/pagead/js/r20260421/r20110914/elements/html/omrhp.js1209600.0 s4.7 KiB
static.doubleclick.net/instream/ad_status.js900.0 s494 B
/usersync/ogury/?cb=https%3A%2F%2Fms-cookie-sync.presage....0.0 ms405 B
/usersync/ogury/?cb=https%3A%2F%2Fms-cookie-sync.presage....0.0 ms405 B
/usersync/ogury/?cb=https%3A%2F%2Fms-cookie-sync.presage....0.0 ms405 B
/usersync/ogury/?cb=https%3A%2F%2Fms-cookie-sync.presage....0.0 ms405 B
/pixel/bounce/?pid=c9gd671&t=gif&uid=FC1gM2npVcuY8GMiHlst...0.0 ms354 B
/cksync.php?cs=61&type=bts&gdpr=$0&gdpr_consent=$&redirec...0.0 ms298 B
/cksync.php?cs=109&type=bts&gdpr=$0&gdpr_consent=$&us_pri...0.0 ms293 B
/pixel/cookiesyncredir?rurl=https%3A%2F%2Frtb-csync.smart...0.0 ms267 B
/track/cmb/generic?ttd_pid=agyie4r&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms255 B
/track/cmb/generic?ttd_pid=agyie4r&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms254 B
/track/cmb/generic?ttd_pid=agyie4r&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms254 B
/track/cmb/generic?ttd_pid=agyie4r&ttd_tpi=1&gdpr=0&gdpr_...0.0 ms253 B
measureadv.com/userBackIframe?uid=6408687867633062003&p=60.0 ms229 B
measureadv.com/userBackIframe?uid=4199011314548116000V10&p=80.0 ms229 B
measureadv.com/userBackIframe?uid=&p=9&gdpr=00.0 ms229 B
measureadv.com/userBack?uid=OPTOUT&p=100.0 ms229 B
/ul_cb/server_match?partner_id=1805&gdpr=0&gdpr_consent=&...0.0 ms209 B
/cksync.php?cs=61&type=bts&gdpr=$0&gdpr_consent=$&redirec...0.0 ms172 B
/cksync.php?cs=61&type=bts&gdpr=$0&gdpr_consent=$us_priva...0.0 ms172 B
/cksync.php?cs=61&type=bts&gdpr=$0&gdpr_consent=$&redirec...0.0 ms172 B
/pagead/js/r20260421/r20110914/client/window_focus_fy2021.js1209600.0 s1.3 KiB
creativecdn.com/cm-notify?pi=pubstack-pbs&gdpr=&gdpr_consent=&us_privacy=&tc=10.0 ms124 B
creativecdn.com/cm-notify?pi=ogury&gdpr=0&gdpr_consent=&tc=10.0 ms124 B
/cm-notify?pi=ogury&gdpr=0&gdpr_consent=us_privacy=%7b%7b...0.0 ms124 B
creativecdn.com/cm-notify?pi=ogury&gdpr=0&gdpr_consent=&tc=10.0 ms124 B
/redir/?partnerid=76&partneruserid=&gdpr=0&gdpr_consent=&...0.0 ms113 B
cdn.indexww.com/ht/htw-pixel.gif?086400.0 s228 B
/AdServer/ImgSync?p=159706&gdpr=1&gdpr_consent=&us_privac...0.0 ms69 B
/cksync.php?cs=61&type=bts&gdpr=$0&gdpr_consent=$&redirec...0.0 ms58 B
/api/sync?callerId=5&gdpr=1&gdpr_consent=&us_privacy={{US...0.0 ms44 B
/api/sync?callerId=5&gdpr=1&gdpr_consent=&us_privacy=&red...0.0 ms44 B
match.deepintent.com/usersync/158?gdpr=0&gdpr_consent=0.0 ms44 B
/AdServer/ImgSync?p=159706&gdpr=1&gdpr_consent=&us_privac...0.0 ms40 B
/AdServer/ImgSync?p=161018&gdpr=0&gdpr_consent=&pu=https%...0.0 ms40 B
/tr/?id=492130851899265&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s0 B
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s0 B
s0.2mdn.net/879366/express_html_inpage_rendering_lib_200_287.js86400.0 s0 B
eus.rubiconproject.com/usync.js44852.0 s0 B
eus.rubiconproject.com/usync.js44852.0 s0 B
eus.rubiconproject.com/usync.js44852.0 s0 B
eus.rubiconproject.com/usync.js44852.0 s0 B
eus.rubiconproject.com/usync.js44852.0 s0 B
eus.rubiconproject.com/usync.js44852.0 s0 B
ep2.adtrafficquality.google/sodar/VFc2VJAc.js3000.0 s0 B
i.ytimg.com/vi_webp/YiC6wOhM0Jo/sddefault.webp300.0 s0 B
pagead2.googlesyndication.com/pagead/js/r20260421/r20110914/abg_lite.js1209600.0 s0 B
/pagead/js/r20260421/r20110914/client/qs_click_protection...1209600.0 s0 B
/pagead/js/r20260421/r20110914/client/qs_click_protection...1209600.0 s0 B
/pagead/js/r20260421/r20110914/elements/html/omrhp.js1209600.0 s0 B
ads.pubmatic.com/AdServer/js/userSync.js156938.0 s0 B
ads.pubmatic.com/AdServer/js/userSync.js156938.0 s0 B
/pagead/js/r20260421/r20110914/client/window_focus_fy2021.js1209600.0 s0 B
/pagead/js/r20260421/r20110914/client/window_focus_fy2021.js1209600.0 s0 B
static.doubleclick.net/instream/ad_status.js900.0 s0 B
static.doubleclick.net/instream/ad_status.js900.0 s0 B

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.

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.

URLEst Savings
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff225 ms
img.weblogssl.com/g/r/icons/icons.ttf?bv29vh945.0 ms
img.weblogssl.com/g/r/icons/favicons.ttf?n9rtsy5.0 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff25.0 ms

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:0.398 source:map[column:73404 line:2 type:source-location url:https://scripts.clarity.ms/0.8.59-beta/clarity.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:0.183 source:map[column:81 line:126 type:source-location url:https://www.xataka.com/ urlProvider:network]] map[reflowTime:155.283 source:map[type:text value:[unattributed]]] map[reflowTime:0.082 source:map[column:131336 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:0.64 source:map[column:96830 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:0.398 source:map[column:96888 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:0.335 source:map[column:96952 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:0.064 source:map[column:96134 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:0.345 source:map[column:96112 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:0.442 source:map[column:97888 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:0.256 source:map[column:130296 line:1 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/391.4a7bee07.js urlProvider:network]] map[reflowTime:11.081 source:map[column:45942 line:0 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/885.9042898b.js urlProvider:network]] map[reflowTime:38.215 source:map[column:3468 line:0 type:source-location url:https://img.weblogssl.com/LPbackend/prod/v3/js/430.091857bc.js urlProvider:network]] map[reflowTime:5.695 source:map[column:241855 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js urlProvider:network]] map[reflowTime:2.956 source:map[column:237248 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js urlProvider:network]] map[reflowTime:11.066 source:map[column:3875 line:0 type:source-location url:https://cdn.insiad.com/ins-ag/ins-ag.min.js urlProvider:network]] map[reflowTime:0.829 source:map[column:580 line:64 type:source-location url:https://cdn.lib.getjad.io/prebid/1018282 urlProvider:network]] map[reflowTime:1.357 source:map[column:31524 line:1 type:source-location url:https://scripts.clarity.ms/0.8.59-beta/clarity.js urlProvider:network]] map[reflowTime:0.754 source:map[column:143046 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js urlProvider:network]] map[reflowTime:0.137 source:map[column:1628 line:5 type:source-location url:/_/mss/boq-content-ads-contributor/_/js/k=boq-content-ads-contributor.ContributorServingResponseClientJs.en_US.pSJko196IH0.es5.O/d=1/exm=kernel_loader,loader_js_executable/ed=1/rs=AJlcJMwW9cECbTFkq4PRqOWQ0smSYbz1fw/m=ad_blocking_detection_executable urlProvider:network]] map[reflowTime:0.99 source:map[column:48581 line:18 type:source-location url:https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js urlProvider:network]] map[reflowTime:1.124 source:map[column:35965 line:0 type:source-location url:https://cdn.insiad.com/ins-ag/ins-ag.min.js urlProvider:network]]]

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
Una empresa increíblemente rentable y una deuda pendiente con la IA: la Apple q… div.poster-figure > a > picture > img
i.blogs.es/092d81/chatgpt-image-21-abr-2026-16_43_09/375_375.png278.7 KiB261.6 KiB
China Nintendo Switch 2 Tim Cook Bill Gates Elon Musk Ola de calor IA OpenAI Mi… div.section-deeplinking-container > div.section-deeplinking > div.section-deeplinking-wrap > ul#js-deeplinking-news-nav-links
s0.2mdn.net/simgad/662062227640992283153.6 KiB114.1 KiB
ChatGPT ha activado los anuncios de pago por clic: es el camino que en su día d… div.poster-figure > a > picture > img
i.blogs.es/1c166e/chatgpt-image-22-abr-2026-10_28_19/1440_550.jpeg190.4 KiB84.8 KiB
Corea del Sur tiene un nuevo caballo de Troya cultural: se llama "Acubi", lo vi… li.shortcut-article > a.shortcut-figure > picture > img
i.blogs.es/fd7907/guia-de-imagenes-destacadas-1-/500_333.jpeg69.3 KiB65.0 KiB
En Singapur, el lujo no es tener un Ferrari o un Lamborghini. El verdadero lujo… div.base-asset-image > a > picture > img
i.blogs.es/5785f8/1200_800-6-/500_333.jpeg64.1 KiB53.0 KiB
Ucrania ha recordado el arma utilizada con Stalin para convencer a EEUU: litera… li.shortcut-article > a.shortcut-figure > picture > img
/84ae33/ukrainian-soldiers-of-the-1st-battalion-28th-mech...55.1 KiB50.9 KiB
Ni hojas, ni ramas: los "árboles líquidos" de Belgrado son la fascinante soluci… div.base-asset-image > a > picture > img
i.blogs.es/9b38f3/liquid3/500_333.jpeg50.9 KiB39.8 KiB
La huida de Telefónica de México revela una verdad más incómoda: el país no tie… div.base-asset-image > a > picture > img
i.blogs.es/69731b/david-carballar-fzu-viw-lk8-unsplash/500_333.jpeg48.3 KiB37.2 KiB
En 1950, la NASA metió a 11 sordos en una centrifugadora durante 12 días. Graci… div.poster-figure > a > picture > img
i.blogs.es/6f2f91/sordos-nasa/375_375.jpeg52.5 KiB35.4 KiB
Se jubilaron en 2022, se fueron de crucero, han dado dos vueltas al mundo y no … div.base-asset-image > a > picture > img
i.blogs.es/5c32aa/crucero/500_333.jpeg45.5 KiB34.4 KiB
CATL quiere acabar de una vez por todas con la gran barrera del coche eléctrico… div.base-asset-image > a > picture > img
i.blogs.es/111c15/zaptec-9166worfn_q-unsplash/500_333.jpeg44.2 KiB33.1 KiB
EEUU ha observado lo sucedido en Ucrania e Irán y ha decidido algo: invertir 54… li.shortcut-article > a.shortcut-figure > picture > img
i.blogs.es/d43b43/drones/500_333.jpeg35.4 KiB31.1 KiB
En España hemos glorificado la larga siesta. En los estudios científicos tienen… div.base-asset-image > a > picture > img
i.blogs.es/78eb11/photo-1586294310477-243d2beb0be1/500_333.jpeg37.6 KiB26.5 KiB
Hoy llega a Netflix uno de los clásicos por excelencia del cine de los 70: siet… div.base-asset-image > a > picture > img
i.blogs.es/fdb911/captura-de-pantalla-2026-04-22-a-las-16.54.43/500_333.jpeg36.3 KiB25.2 KiB
Las "batallas de sables láser" serán al fin parte de los Juegos Olímpicos. O al… li.shortcut-article > a.shortcut-figure > picture > img
i.blogs.es/d773aa/captura-de-pantalla-2026-04-22-a-las-10.03.25/500_333.jpeg28.3 KiB24.1 KiB
html html
/sadbundle/18084557395961519309/images/8461dbeb84bf954b00...90.4 KiB23.1 KiB
Ryanair se ha dejado a sus pasajeros en tierra dos veces en una semana. El culp… div.base-asset-image > a > picture > img
i.blogs.es/0a89ac/niels-baars-rszoaizc7cs-unsplash/500_333.jpeg32.7 KiB21.6 KiB
El "clean look" está arrasando entre las jóvenes de la generación Z. Y también … div.poster-figure > a > picture > img
i.blogs.es/74a64f/guia-de-imagenes-destacadas-1-/375_375.jpeg35.0 KiB17.8 KiB
La huida de Telefónica de México revela una verdad más incómoda: el país no tie… div.base-asset-image > a > picture > img
/sadbundle/18084557395961519309/images/99b8432177bb5f4ffa...56.5 KiB17.1 KiB
/sadbundle/18084557395961519309/images/35fbeaf3328121d093...18.0 KiB10.0 KiB

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-2-IMG
nodeLabel: ChatGPT ha activado los anuncios de pago por clic: es el camino que en su día d…
path: 1,HTML,31,BODY,5,DIV,0,DIV,1,DIV,0,DIV,0,MAIN,1,DIV,0,DIV,0,ARTICLE,0,DIV,0,A,0,PICTURE,6,IMG
selector: div.poster-figure > a > picture > img
snippet: <img alt="ChatGPT ha activado los anuncios de pago por clic: es el camino que en su …" src="https://i.blogs.es/1c166e/chatgpt-image-22-abr-2026-10_28_19/1440_550.jpeg" width="375" height="375">

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

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
/cs/usersync.php?gdpr_optin=&gdpr_consent=&us_privacy=&ty...http/1.1
ssp.api.tappx.com/cs/usync?idmn=162&type=iframe&id=OPTOUT&auxuid=http/1.1
/cs/usync?idmn=sharthrough&id=aa663c3a-d969-4899-9ec1-cc2...http/1.1
ssp.api.tappx.com/cs/usync?idmn=82&type=iframe&id=a8e7066ece&auxuid=http/1.1
ssp.api.tappx.com/cs/usync?idmn=13&type=iframe&id=&auxuid=http/1.1
/cs/usync?idmn=511&type=iframe&id=b78ba0ece5364510b4f12b1...http/1.1
/cs/usync?idmn=241&id=ogzM9ZSdDObAyB4UY3MfkoEL4YTJPr2WFqh...http/1.1
/cs/usync?idmn=31&type=iframe&id=0863a2dd-1796-4819-8bb5-...http/1.1
ssp.api.tappx.com/cs/usync?idmn=45&id=4315300427942842443&gdpr=0&gdpr_consent=http/1.1
/cs/usync?idmn=869&type=iframe&id=99711950-2873-53ba-befc...http/1.1
/cs/usync?idmn=1083&type=iframe&id=99711950-2873-53ba-bef...http/1.1
ssp.api.tappx.com/cs/usync?idmn=58&type=iframe&id=213295691260762&auxuid=http/1.1

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: 564 ms
URLTime Spent
xataka.com/564 ms
www.xataka.com/0.0 ms

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

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: 90 ms 75.6 KiB
URLTransfer SizeEst Savings
cdn.lib.getjad.io/library/1018282/xataka214.7 KiB75.6 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: 90 ms 89.6 KiB
URLTransfer SizeEst Savings
img.weblogssl.com/css/xataka/p/xataka-d/main.css?v=1776866056104.6 KiB89.6 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: 180 ms 680.5 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/gpt/m202604160201/pubads_impl.js187.7 KiB89.5 KiB
www.googletagmanager.com/gtag/js?id=G-L3X96ZX03D174.4 KiB68.9 KiB
www.googletagmanager.com/gtm.js?id=GTM-TWST58M123.3 KiB64.0 KiB
cdn.lib.getjad.io/prebid/1018282161.6 KiB60.3 KiB
www.googletagmanager.com/gtm.js?id=GTM-T9QSQ3V140.5 KiB60.2 KiB
connect.facebook.net/es_ES/bundle/sdk.js/78.4 KiB50.1 KiB
cdn.lib.getjad.io/library/1018282/xataka214.6 KiB49.7 KiB
fundingchoicesmessages.google.com/i/pub-5531025139495683?ers=168.5 KiB37.3 KiB
/signals/config/492130851899265?v=2.9.303&r=stable&domain...125.3 KiB35.6 KiB
connect.facebook.net/en_US/fbevents.js96.5 KiB34.4 KiB
img.weblogssl.com/LPbackend/prod/v3/js/349.8d961768.js43.3 KiB34.2 KiB
/_/scs/abc-static/_/js/k=gapi.lb.en.HLcjcliCxoY.O/m=auth/...41.1 KiB31.2 KiB
c.amazon-adsystem.com/aax2/apstag.js58.9 KiB22.8 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=209760.5 KiB22.4 KiB
/_/scs/abc-static/_/js/k=gapi.lb.en.HLcjcliCxoY.O/m=ytsub...45.9 KiB20.0 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
Unattributable1.3 s321 ms0.0 ms
cdn.lib.getjad.io/library/1018282/xataka1.1 s848 ms54 ms
www.xataka.com/697 ms136 ms4.5 ms
/pagead/managed/js/gpt/m202604160201/pubads_impl.js452 ms362 ms20 ms
scripts.clarity.ms/0.8.59-beta/clarity.js359 ms317 ms3.8 ms
cdn.permutive.com/28986622-e6be-473d-9a8f-e603a25f3c66-web.js319 ms227 ms25 ms
/signals/config/492130851899265?v=2.9.303&r=stable&domain...288 ms253 ms33 ms
cdn.lib.getjad.io/prebid/1018282232 ms192 ms27 ms
img.weblogssl.com/LPbackend/prod/v3/js/430.091857bc.js224 ms158 ms1.0 ms
c.amazon-adsystem.com/aax2/apstag.js189 ms164 ms20 ms
www.googletagmanager.com/gtag/js?id=G-L3X96ZX03D145 ms107 ms24 ms
/ats-modules/6db85d71-16c2-409b-8fd4-001aed083645/ats.js142 ms131 ms8.9 ms
sdk.mrf.io/statics/marfeel-sdk.js?id=2097129 ms121 ms0.5 ms
www.googletagmanager.com/gtm.js?id=GTM-T9QSQ3V124 ms100 ms21 ms
cdn.insiad.com/ins-ag/ins-ag.min.js89 ms57 ms8.0 ms
connect.facebook.net/en_US/fbevents.js72 ms48 ms23 ms
www.googletagmanager.com/gtm.js?id=GTM-TWST58M64 ms49 ms14 ms
boot.pbstck.com/v1/tag/88286c28-0cb2-4ee2-b9eb-bc4fecf7597662 ms44 ms10 ms
/_/scs/abc-static/_/js/k=gapi.lb.en.HLcjcliCxoY.O/m=ytsub...59 ms51 ms6.6 ms
fundingchoicesmessages.google.com/i/pub-5531025139495683?ers=156 ms48 ms7.5 ms
btloader.com/tag?o=5174116709826560&upapi=true55 ms50 ms3.2 ms
img.weblogssl.com/LPbackend/prod/v3/js/69.d9ace1a6.js54 ms46 ms0.6 ms
apis.google.com/js/platform.js51 ms47 ms2.5 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 Evaluation4.8 s
Other1.4 s
Style & Layout459 ms
Script Parsing & Compilation414 ms
Rendering118 ms
Garbage Collection86 ms
Parse HTML & CSS83 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

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.youtube.com/s/player/1bb6ee63/player_embed.vflset/en_US/base.js471.9 KiB
www.youtube.com/s/player/1bb6ee63/player_embed_es6.vflset/en_US/base.js436.0 KiB
i.blogs.es/092d81/chatgpt-image-21-abr-2026-16_43_09/375_375.png279.5 KiB
cdn.lib.getjad.io/library/1018282/xataka215.5 KiB
/s/_/ytembeds/_/js/k=ytembeds.base.en_US.-RE1iC8VNhI.es5....202.7 KiB
i.blogs.es/98b66b/captura-de-pantalla-2026-04-22-a-las-15.45.17/500_333.png199.9 KiB
i.blogs.es/1c166e/chatgpt-image-22-abr-2026-10_28_19/1440_550.jpeg191.0 KiB
/pagead/managed/js/gpt/m202604160201/pubads_impl.js187.7 KiB
/s/_/ytembeds/_/js/k=ytembeds.base.en_US.5f0apfZzpOA.2021...183.1 KiB
geo.dailymotion.com/static/latest/cdn/dmp.photon_vendor.4c05a05f7c86ba88b43f.js177.6 KiB

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

●Layout shift culprits
●Optimize DOM size
●LCP breakdown
●Render blocking requests
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 20 user timings
●Avoid long main-thread tasks 19 long tasks found
●Image elements have explicit `width` and `height`
●Network Requests
●Network Round Trip Times 260 ms
●Server Backend Latencies 480 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 190 ms
●Avoid large layout shifts 1 layout shift found
○INP breakdown
○Avoid non-composited animations
89

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
LO ÚLTIMO div.section-recent-container > div.section-recent > header > p.section-header-recent
Suscribiéndote aceptas nuestra política de privacidad div.aside-box-wrap > div.aside-box > form.js-subscription > small.newsletter-legal-disclaimer
política de privacidad div.aside-box > form.js-subscription > small.newsletter-legal-disclaimer > a
Síguenos div.aside-box-wrap > div.aside-box > nav.menu-follow > span.item-meta
RECOMENDADO EN TRIVIA 3DJUEGOS main > div#editorialRecommendedPosts > div.post-related-posts > p.post-related-3djuegos-title
Suscribiéndote aceptas nuestra política de privacidad div.wrapper > div#newsletter > form.js-subscription > small.newsletter-legal-disclaimer
política de privacidad div#newsletter > form.js-subscription > small.newsletter-legal-disclaimer > a
Síguenos footer.foot > div.wrapper > div.menu-follow > span.item-meta
Apoya a Xataka y disfruta ventajas exclusivas footer.foot > div.wrapper > div.xtra-cta-footer > a.xtra-link
Streaming nav.menu-categories > ul > li > a.list-item
Análisis nav.menu-categories > ul > li > a.list-item
Espacio nav.menu-categories > ul > li > a.list-item
Móviles nav.menu-categories > ul > li > a.list-item
Energía nav.menu-categories > ul > li > a.list-item
Xataka Movilidad nav.menu-categories > ul > li > a.list-item
Apple nav.menu-categories > ul > li > a.list-item
Samsung nav.menu-categories > ul > li > a.list-item
Inteligencia artificial nav.menu-categories > ul > li > a.list-item
China nav.menu-categories > ul > li > a.list-item
Empleo nav.menu-categories > ul > li > a.list-item
Windows 11 nav.menu-categories > ul > li > a.list-item

These are opportunities to improve the legibility of your content.

Names and labels

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
section.home-video-stream > div.follow-youtube > div#___ytsubscribe_0 > iframe#I0_1776899524041 section.home-video-stream > div.follow-youtube > div#___ytsubscribe_0 > iframe#I0_1776899524041

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.head > div.masthead-site-nav-container > nav.masthead-site-nav > a.masthead-nav-search div.head > div.masthead-site-nav-container > nav.masthead-site-nav > a.masthead-nav-search
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.head-favicons > ul.head-favicons-list > li > a.favicon div.head-favicons > ul.head-favicons-list > li > a.favicon
div.page-container > div.content-container > section#sections > a.head-menu-toggler div.page-container > div.content-container > section#sections > a.head-menu-toggler
div.page-container > div.content-container > div#headlines > a.head-menu-toggler div.page-container > div.content-container > div#headlines > a.head-menu-toggler
div.page-container > div.content-container > nav#search > a.head-menu-toggler div.page-container > div.content-container > nav#search > a.head-menu-toggler
div.page-container > div.content-container > nav#nav-login > a.head-menu-toggler div.page-container > div.content-container > nav#nav-login > a.head-menu-toggler
div.content-container > nav#nav-login > div.head-menu > a.close div.content-container > nav#nav-login > div.head-menu > a.close
div.page-container > div.content-container > nav#nav-register > a.head-menu-toggler div.page-container > div.content-container > nav#nav-register > a.head-menu-toggler
div.content-container > nav#nav-register > div.head-menu > a.close div.content-container > nav#nav-register > div.head-menu > a.close
div.page-container > div.content-container > nav#nav-recover > a.head-menu-toggler div.page-container > div.content-container > nav#nav-recover > a.head-menu-toggler
div.content-container > nav#nav-recover > div.head-menu > a.close div.content-container > nav#nav-recover > div.head-menu > a.close
div.page-container > div.content-container > nav#nav-recover-twitter > a.head-menu-toggler div.page-container > div.content-container > nav#nav-recover-twitter > a.head-menu-toggler
div.content-container > nav#nav-recover-twitter > div.head-menu > a.close div.content-container > nav#nav-recover-twitter > div.head-menu > a.close
div.page-container > div.content-container > nav#nav-recover-facebook > a.head-menu-toggler div.page-container > div.content-container > nav#nav-recover-facebook > a.head-menu-toggler
div.content-container > nav#nav-recover-facebook > div.head-menu > a.close div.content-container > nav#nav-recover-facebook > div.head-menu > a.close

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.

○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>`
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Image elements have `[alt]` attributes
●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.
●ARIA attributes are used as specified for the element's role
●`[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
●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
●Touch targets have sufficient size and spacing.
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Image elements do not have `[alt]` attributes that are redundant text.
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○Deprecated ARIA roles were not used
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○`[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
○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
○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.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○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
Topics
cdn.lib.getjad.io/prebid/1018282 line 80, col 1161
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.xataka.com/
Access to XMLHttpRequest at 'https://api.permutive.com/cloud-lift/v2/lift?qid=8092ccb290ecda151cbc0b282d80524e9a4a30e3&k=390f11db-6eea-42eb-9ef9-4d27b1bb2bab' from origin 'https://www.xataka.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
●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
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Use a strong HSTS policy
○Mitigate clickjacking with XFO or CSP
92

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.weblogssl.com/cookiesMás información

Format your HTML in a way that enables crawlers to better understand your app’s content.

○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 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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