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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.

4

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
static.vueling.com/Chatbots/VY/V4/JS/common/chatbot.dependencies.v1.3.min.js84589.0 s377.7 KiB
cdn.quantummetric.com/qscripts/quantum-vueling.js300.0 s154.8 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-KFYAJ4ZJ.js714.0 s132.2 KiB
/vAfMnS/t/6/1jcUYyClD5mv/OhYYScu7EiaEm0YY/PW0JTHkTAQ/LBUU...21600.0 s176.4 KiB
/vAfMnS/t/6/1jcUYyClD5mv/N0YYScu7Ei/SA8PTHkTAQ/OxlJDgQ/ud...21600.0 s153.2 KiB
cdn.cookielaw.org/consent/eb440cb9-982b-4dfe-9764-a5f339ad9985/OtAutoBlock.js86400.0 s131.6 KiB
www.vueling.com/resources/a964080c97d1812b778ef6340201418e1780013facd85600.0 s56.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-V5IOYWY7.js715.0 s57.5 KiB
se.monetate.net/js/2/a-02a953bb/p/vueling.com/custom.js3600.0 s64.0 KiB
static.vueling.com/corporativeCMS/media/r4bdby4g/bc_bg_1920x1280_140426w.webp602998.0 s490.8 KiB
cdn.cookielaw.org/scripttemplates/6.38.0/otBannerSdk.js86400.0 s87.9 KiB
static.vueling.com/corporativeCMS/media/e30cex3c/bc_bg_1920x1280w.webp602998.0 s270.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-QUPUOVVT.js714.0 s28.5 KiB
static.vueling.com/Chatbots/VY/V4/JS/common/file-upload.webchat-plugin.js84590.0 s60.6 KiB
/corporativeCMS/media/h0sc1nqc/hotels_desktop_020625-resi...602998.0 s220.4 KiB
static.vueling.com/corporativeCMS/media/2dblolpp/cars-webp-resized-webp.webp602998.0 s196.6 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-2KIBCMTM.js714.0 s21.1 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-Q4G7WRM4.js713.0 s20.7 KiB
/corporativeCMS/media/l24lctug/banner-footer-simple_bilba...603006.0 s168.4 KiB
/corporativeCMS/media/fprktm1v/hannover_banner-footer-dob...603006.0 s166.1 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-RAJCEA4D.js714.0 s17.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-6NEBNPKW.js713.0 s15.4 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-42S6ZPRI.js715.0 s15.0 KiB
static.vueling.com/corporativeCMS/Js/lib/jquery-3.2.1.min.js84589.0 s31.9 KiB
static.vueling.com/corporativeCMS/media/zfwdrpf1/imagen-vyclub_okw.webp602999.0 s127.8 KiB
/corporativeCMS/WebComponents/home/browser/polyfills.js?v...306.0 s12.3 KiB
static.vueling.com/corporativeCMS/media/kl0dk4rp/urbano_desktop_w.webp603000.0 s116.0 KiB
static.vueling.com/assets/fonts/ds-vueling-icons.woff2?l63u8m602995.0 s110.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-OYP4AXSZ.js721.0 s11.6 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-PC6VM5Q4.js713.0 s10.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-NXHFTX7Z.js713.0 s10.3 KiB
/corporativeCMS/WebComponents/home/browser/home.css?v=639...305.0 s8.4 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-F7WRKFBJ.js715.0 s8.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-AVIFEA7R.js713.0 s8.5 KiB
/corporativeCMS/WebComponents/home/browser/main.js?v=6391...306.0 s7.2 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-COSWWYOK.js713.0 s7.4 KiB
static.vueling.com/corporativeCMS/media/4vtgvimy/bc_bg_1920x1280w.webp602998.0 s66.0 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-646SXQ5D.js715.0 s7.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-W4INNR34.js719.0 s7.1 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-FYZFU7XD.js711.0 s5.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-OMDFUMVM.js714.0 s5.8 KiB
static.vueling.com/corporativeCMS/media/cr4og2xq/activities_211124_webp.webp602998.0 s51.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-FPGUSIFU.js713.0 s5.6 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-ZISGE3MS.js713.0 s5.1 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-DK43CZYZ.js716.0 s4.9 KiB
static.vueling.com/corporativeCMS/media/2ywhgwlg/vuelign_visa_s_en_webp.webp603006.0 s42.6 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-274EWR7K.js716.0 s4.4 KiB
static.vueling.com/corporativeCMS/media/pocfqhd4/app_store.svg703.0 s4.1 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-EVQKECTT.js714.0 s4.1 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-CEM2W7YC.js713.0 s4.0 KiB
static.vueling.com/Chatbots/VY/V4/CSS/common/base-webchat-style.css84591.0 s8.9 KiB
static.vueling.com/corporativeCMS/media/yewdyfvm/408-229-amsterdam-ams-webp.webp603000.0 s35.2 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-RJCDLL6D.js712.0 s3.8 KiB
static.vueling.com/corporativeCMS/media/oblf03nu/calidos_invierno_desktop_w.webp603000.0 s34.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-KO7XI3A3.js713.0 s3.5 KiB
cdn.cookielaw.org/consent/eb440cb9-982b-4dfe-9764-a5f339ad9985/otSDKStub.js86400.0 s7.5 KiB
static.vueling.com/corporativeCMS/media/lkeb1qlp/airelibre_desktop_w.webp603001.0 s29.4 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-52SXXD6R.js713.0 s3.1 KiB
/Chatbots/VY/V4/CSS/custom/vueling-metachatbot-webchat-st...84591.0 s6.8 KiB
static.vueling.com/assets/fonts/sourcesanspro-regular-webfont.woff2602999.0 s27.0 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-MJYIOXXO.js713.0 s3.0 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-OSJ2TGCR.js715.0 s3.0 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-YDXHPRTY.js715.0 s2.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-24SX63O6.js720.0 s2.9 KiB
static.vueling.com/assets/fonts/sourcesanspro-semibold-webfont.woff2603000.0 s25.5 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-JXJXAOHA.js84854.0 s6.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-D47WYFGP.js712.0 s2.8 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-ZKEJXQJM.js713.0 s2.8 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-IIWKASNC.js715.0 s2.8 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-H3FZAU4C.js713.0 s2.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-WVN2OVRU.js713.0 s2.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-F4ATT4QT.js716.0 s2.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-VZLALR3F.js714.0 s2.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-UJ2GCDIN.js713.0 s2.6 KiB
static.vueling.com/corporativeCMS/media/s1jdo3sj/408-229-edinburgh-edi-webp.webp603000.0 s23.0 KiB
static.vueling.com/Chatbots/VY/V4/CSS/common/vueling-webchat-form-style.css84591.0 s5.7 KiB
static.vueling.com/corporativeCMS/media/fetny4et/408-229-rome-fco-webp.webp603000.0 s22.8 KiB
/Chatbots/VY/V4/Fonts/VuelingPilcrow/WOFF2/vuelingpilcrow...602997.0 s22.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-FMKJWUUQ.js713.0 s2.4 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-2VNVDORC.js715.0 s2.4 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-LLPEYH2G.js713.0 s2.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-K7T3LFIX.js713.0 s2.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-ZJ65DNF7.js716.0 s2.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-75JQWZIA.js711.0 s2.2 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-XHGT5CD7.js714.0 s2.2 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-CSXMGRGR.js715.0 s2.2 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-ADKG5BBH.js717.0 s2.0 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-PXJLJH6V.js720.0 s2.0 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-E6NMNV46.js713.0 s1.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-3VMFUVNR.js719.0 s1.9 KiB
static.vueling.com/corporativeCMS/media/525mlez2/408-229-malta-mla-webp.webp603000.0 s16.0 KiB
static.vueling.com/corporativeCMS/media/1ulgvk1g/familia_desktop_w.webp603001.0 s14.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-YZYECX7O.js713.0 s1.5 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-5G7Y64IB.js715.0 s1.4 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-2MLZEQFL.js84827.0 s2.9 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-XULMRTD3.js716.0 s1.3 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-ODZT2BVP.js716.0 s1.2 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg86400.0 s2.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-ZJ43FGEL.js716.0 s1.1 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-5DERRTJ3.js713.0 s970 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-5JX5DDCU.js713.0 s963 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-PMDO47CN.js717.0 s928 B
/corporativeCMS/media/aljernfi/loading-icon.svg?v=1dbea8c...714.0 s918 B
www.vueling.com/assets/images/loading.svg5.0 s826 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-337O7CTT.js714.0 s877 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-A5ZHFN2T.js714.0 s840 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-3XSYJSLD.js713.0 s778 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-PFA6O3WB.js713.0 s738 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-6EJYH6VV.js716.0 s727 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-NBYYUSGM.js715.0 s719 B
static.vueling.com/corporativeCMS/media/sw4hgsii/google-play-badge2x.png2590181.0 s6.7 KiB
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-6F6DM43O.js714.0 s697 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-3HTXRVLP.js714.0 s597 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-LOMM5HFZ.js781.0 s596 B
static.vueling.com/corporativeCMS/WebComponents/home/browser/chunk-4I6HNCSR.js713.0 s583 B
sb.monetate.net/img/1/p/1096/5980131.js/monetate.c.cr.js1360271.0 s4.7 KiB
static.vueling.com/assets/styles/spinner.css84591.0 s796 B
static.vueling.com/assets/styles/gridLayout.css84591.0 s757 B
static.vueling.com/corporativeCMS/Js/Monetate/asynchronousMonetateTag.js84591.0 s685 B
static.vueling.com/Chatbots/VY/V4/CSS/common/file-upload.webchat-plugin.css84591.0 s569 B
static.vueling.com/corporativeCMS/Js/Monetate/SetPageTypeMonetate.js84591.0 s472 B
static.vueling.com/corporativeCMS/Js/Monetate/TrackDataMonetate.js84591.0 s449 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:0.628889] map[node:map[boundingRect:map[bottom:4521 height:4521 left:0 right:1350 top:0 width:1350] lhId:page-17-BODY nodeLabel:body.en-GB path:1,HTML,2,BODY selector:body.en-GB snippet:<body class="en-GB"> type:node] score:0.628889]]
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:0.012733999999999999] map[node:map[boundingRect:map[bottom:342 height:92 left:357 right:1007 top:250 width:650] lhId:page-18-DIV nodeLabel:REJECT ALL ACCEPT ALL COOKIES MANAGE YOUR COOKIE SETTINGS path:1,HTML,2,BODY,38,DIV,1,DIV,0,DIV,0,DIV,1,DIV selector:div#onetrust-banner-sdk > div.ot-sdk-container > div.ot-sdk-row > div#onetrust-button-group-parent snippet:<div id="onetrust-button-group-parent" class="ot-sdk-twelve ot-sdk-columns has-reject-all-button"> type:node] score:0.012575 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://static.vueling.com/Chatbots/VY/V4/Fonts/VuelingPilcrow/WOFF2/vuelingpilcrow-semibold-webfont.woff2]] map[cause:Web font extra:map[type:url value:https://static.vueling.com/assets/fonts/sourcesanspro-regular-webfont.woff2]] map[cause:Web font extra:map[type:url value:https://static.vueling.com/assets/fonts/sourcesanspro-semibold-webfont.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:924 height:44 left:1217 right:1337 top:880 width:120] lhId:page-22-BUTTON nodeLabel:One unread message in chat. Open chat path:1,HTML,2,BODY,32,DIV,0,DIV,0,DIV,0,BUTTON selector:div > div.webchat-root > div > button.webchat-toggle-button snippet:<button data-cognigy-webchat-toggle="true" type="button" class="webchat-toggle-button cognigy-webchat-1970mn3 webchat-toggle-button-closed" aria-label="One unread message in chat. Open chat"> type:node] score:0.000139] map[node:map[boundingRect:map[bottom:312 height:20 left:1031 right:1256 top:292 width:225] lhId:page-20-DIV nodeLabel:1 Passenger path:1,HTML,2,BODY,3,DIV,1,MAIN,0,DIV,0,DIV,0,VY-SPA-WRAPPER-SEARCHER,2,DIV,3,DIV,0,VY-CDK-SEARCHER,0,DIV,0,VY-CDK-SEARCHER-BOOK-FLIGHT,0,DIV,1,DIV,1,VY-CDK-PAX-FEATURE,0,VY-CDK-PAX-SELECTOR,0,DIV,0,DIV,0,VY-CDK-PAX-INPUT,0,DIV,1,INPUT,a,#document-fragment,0,DIV selector:div snippet:<div> type:node] score:2e-05]]
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:0.036166] map[node:map[boundingRect:map[bottom:352 height:168 left:0 right:1350 top:184 width:1350] lhId:page-24-DIV nodeLabel:FLIGHTS HOTELS CARS From BCN To Outbound Return 1 Adult , 0 Children , 0 Infant… path:1,HTML,2,BODY,3,DIV,1,MAIN,0,DIV,0,DIV selector:div.body-wrapper > main > div#main-content > div.main-search_content snippet:<div class="main-search_content"> type:node] score:0.036009] map[node:map[boundingRect:map[bottom:312 height:20 left:95 right:335 top:292 width:240] lhId:page-23-DIV nodeLabel:div path:1,HTML,2,BODY,3,DIV,1,MAIN,0,DIV,0,DIV,0,VY-SPA-WRAPPER-SEARCHER,2,DIV,3,DIV,0,VY-CDK-SEARCHER,0,DIV,0,VY-CDK-SEARCHER-BOOK-FLIGHT,0,DIV,0,VY-CDK-STATIONS-FEATURE,0,DIV,0,DIV,0,VY-CDK-STATION-SELECTOR,0,DIV,0,VY-CDK-STATION-INPUT,0,DIV,0,DIV,2,INPUT,a,#document-fragment,1,DIV selector:div snippet:<div> type:node] score:0.000157]]

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.

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:40.319 source:map[column:274367 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/6.38.0/otBannerSdk.js urlProvider:network]] map[reflowTime:0.184 source:map[column:274718 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/6.38.0/otBannerSdk.js urlProvider:network]] map[reflowTime:0.665 source:map[column:320851 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/6.38.0/otBannerSdk.js urlProvider:network]] map[reflowTime:1.822 source:map[column:148383 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/6.38.0/otBannerSdk.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
div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img
static.vueling.com/corporativeCMS/media/r4bdby4g/bc_bg_1920x1280_140426w.webp490.2 KiB292.5 KiB
vy-card-highlight > div.vy-card-highlight > picture.vy-card-highlight_picture_wrapper > img.vy-card-highlight_img vy-card-highlight > div.vy-card-highlight > picture.vy-card-highlight_picture_wrapper > img.vy-card-highlight_img
/corporativeCMS/media/h0sc1nqc/hotels_desktop_020625-resi...220.0 KiB202.5 KiB
vy-card-highlight > div.vy-card-highlight > picture.vy-card-highlight_picture_wrapper > img.vy-card-highlight_img vy-card-highlight > div.vy-card-highlight > picture.vy-card-highlight_picture_wrapper > img.vy-card-highlight_img
static.vueling.com/corporativeCMS/media/2dblolpp/cars-webp-resized-webp.webp196.2 KiB178.7 KiB
last card img div.vy-card-full-img_item > a > picture > img.vy-card-full-img_banner
/corporativeCMS/media/l24lctug/banner-footer-simple_bilba...168.0 KiB152.3 KiB
main card img div.vy-card-full-img_item > a > picture > img.vy-card-full-img_banner
/corporativeCMS/media/fprktm1v/hannover_banner-footer-dob...165.7 KiB133.0 KiB
div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img
static.vueling.com/corporativeCMS/media/e30cex3c/bc_bg_1920x1280w.webp270.2 KiB109.5 KiB
vy-spa-club-banner-picture > div.vy-featured-banner-picture_wrapper > picture > img.vy-featured-banner-picture_block vy-spa-club-banner-picture > div.vy-featured-banner-picture_wrapper > picture > img.vy-featured-banner-picture_block
static.vueling.com/corporativeCMS/media/zfwdrpf1/imagen-vyclub_okw.webp127.4 KiB81.5 KiB
div.find-adventure_grid > a.find-adventure_card > picture > img.find-adventure_card_image div.find-adventure_grid > a.find-adventure_card > picture > img.find-adventure_card_image
static.vueling.com/corporativeCMS/media/kl0dk4rp/urbano_desktop_w.webp115.7 KiB64.1 KiB
vy-card-highlight > div.vy-card-highlight > picture.vy-card-highlight_picture_wrapper > img.vy-card-highlight_img vy-card-highlight > div.vy-card-highlight > picture.vy-card-highlight_picture_wrapper > img.vy-card-highlight_img
static.vueling.com/corporativeCMS/media/cr4og2xq/activities_211124_webp.webp51.4 KiB39.0 KiB
middle card img div.vy-card-full-img_item > a > picture > img.vy-card-full-img_banner
static.vueling.com/corporativeCMS/media/2ywhgwlg/vuelign_visa_s_en_webp.webp42.3 KiB31.8 KiB
div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img
static.vueling.com/corporativeCMS/media/4vtgvimy/bc_bg_1920x1280w.webp65.7 KiB26.6 KiB
Amsterdam article.vy-card-offer > div.vy-card-offer_picture > picture > img.vy-card-offer_img
static.vueling.com/corporativeCMS/media/yewdyfvm/408-229-amsterdam-ams-webp.webp34.9 KiB26.3 KiB
div.find-adventure_grid > a.find-adventure_card > picture > img.find-adventure_card_image div.find-adventure_grid > a.find-adventure_card > picture > img.find-adventure_card_image
static.vueling.com/corporativeCMS/media/lkeb1qlp/airelibre_desktop_w.webp29.1 KiB17.3 KiB
div.find-adventure_grid > a.find-adventure_card > picture > img.find-adventure_card_image div.find-adventure_grid > a.find-adventure_card > picture > img.find-adventure_card_image
static.vueling.com/corporativeCMS/media/oblf03nu/calidos_invierno_desktop_w.webp33.9 KiB9.5 KiB
Edinburgh article.vy-card-offer > div.vy-card-offer_picture > picture > img.vy-card-offer_img
static.vueling.com/corporativeCMS/media/s1jdo3sj/408-229-edinburgh-edi-webp.webp22.7 KiB8.6 KiB
Rome (Fiumicino) article.vy-card-offer > div.vy-card-offer_picture > picture > img.vy-card-offer_img
static.vueling.com/corporativeCMS/media/fetny4et/408-229-rome-fco-webp.webp22.5 KiB8.4 KiB
Get the Vueling app on Google Play ul.vy-list-horizontal_container > li.vy-list-horizontal_item > a.vy-list-horizontal_item_link > img.ng-star-inserted
static.vueling.com/corporativeCMS/media/sw4hgsii/google-play-badge2x.png6.4 KiB5.8 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:1077.994 label:Time to first byte subpart:timeToFirstByte] map[duration:5473.33 label:Resource load delay subpart:resourceLoadDelay] map[duration:213.628 label:Resource load duration subpart:resourceLoadDuration] map[duration:121.798 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-IMG
nodeLabel: div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img
path: 1,HTML,2,BODY,3,DIV,1,MAIN,1,DIV,0,DIV,0,DIV,0,DIV,0,VY-SPA-CAROUSEL-COUNTDOWN,0,SECTION,0,DIV,0,DIV,0,PICTURE,1,IMG
selector: div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img
snippet: <img _ngcontent-ng-c3629777709="" alt="" class="vy-carousel-img" src="https://static.vueling.com/corporativeCMS/media/r4bdby4g/bc_bg_1920x1280_1…">

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: div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img
path: 1,HTML,2,BODY,3,DIV,1,MAIN,1,DIV,0,DIV,0,DIV,0,DIV,0,VY-SPA-CAROUSEL-COUNTDOWN,0,SECTION,0,DIV,0,DIV,0,PICTURE,1,IMG
selector: div.vy-carousel_item > div.vy-carousel-wrap_img > picture > img.vy-carousel-img
snippet: <img _ngcontent-ng-c3629777709="" alt="" class="vy-carousel-img" src="https://static.vueling.com/corporativeCMS/media/r4bdby4g/bc_bg_1920x1280_1…">

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
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

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

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

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: 1.3 s
URLTime Spent
vueling.com/621 ms
www.vueling.com/652 ms
www.vueling.com/en0.0 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.en-GB body.en-GB
0.629
FLIGHTS HOTELS CARS From BCN To Outbound Return 1 Adult , 0 Children , 0 Infant… div.body-wrapper > main > div#main-content > div.main-search_content
0.036
REJECT ALL ACCEPT ALL COOKIES MANAGE YOUR COOKIE SETTINGS div#onetrust-banner-sdk > div.ot-sdk-container > div.ot-sdk-row > div#onetrust-button-group-parent
0.013
div div
0.000
One unread message in chat. Open chat div > div.webchat-root > div > button.webchat-toggle-button
0.000
1 Passenger div
0.000

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 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.

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 Evaluation7.6 s
Other1.2 s
Script Parsing & Compilation280 ms
Style & Layout220 ms
Garbage Collection168 ms
Rendering55 ms
Parse HTML & CSS43 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 the main frame.Actionable
Pages with cache-control:no-store header cannot enter back/forward cache.Actionable
The page has an unload handler in a sub frame.Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.Not actionable

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 5.7 KiB
URLTransfer SizeEst Savings
static.vueling.com/corporativeCMS/Js/lib/jquery-3.2.1.min.js31.5 KiB5.7 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: 0.0 ms 28.4 KiB

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
Get the Vueling app on Google Play ul.vy-list-horizontal_container > li.vy-list-horizontal_item > a.vy-list-horizontal_item_link > img.ng-star-inserted
static.vueling.com/corporativeCMS/media/sw4hgsii/google-play-badge2x.png
Get the Vueling app on the Apple Store ul.vy-list-horizontal_container > li.vy-list-horizontal_item > a.vy-list-horizontal_item_link > img.ng-star-inserted
static.vueling.com/corporativeCMS/media/pocfqhd4/app_store.svg

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

Optimize DOM size
Modern HTTP
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 50 user timings
Avoid long main-thread tasks 20 long tasks found
Network Requests
Network Round Trip Times 170 ms
Server Backend Latencies 220 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 170 ms
INP breakdown
Avoid non-composited animations
86

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

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
COOKIE POLICY We use our own and third-party cookies for analytical, personali… body.en-GB > div#onetrust-consent-sdk > div#onetrust-banner-sdk

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.

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
vy-carousel-navigation > div.vy-carousel-navigation > div.vy-carousel > button.vy-carousel_control--button vy-carousel-navigation > div.vy-carousel-navigation > div.vy-carousel > button.vy-carousel_control--button

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

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Why this matters

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
head > meta head > meta

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
Cookie policy div#onetrust-group-container > div#onetrust-policy > p#onetrust-policy-text > a.ot-cookie-policy-link
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-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
Form elements have associated labels
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
Elements with the `role=text` attribute do not have focusable descendents.
Background and foreground colors have a sufficient contrast ratio
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.
Links have a discernible name
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
Skip links are focusable.
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements have accessible names
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
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
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
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
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
Unload event listeners are deprecated and will be removed.

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
Access to CSS stylesheet at 'https://static.vueling.com/assets/styles/gridLayout.css' from origin 'https://www.vueling.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to CSS stylesheet at 'https://static.vueling.com/assets/styles/spinner.css' from origin 'https://www.vueling.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to CSS stylesheet at 'https://static.vueling.com/Chatbots/VY/V4/CSS/common/base-webchat-style.css' from origin 'https://www.vueling.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to CSS stylesheet at 'https://static.vueling.com/Chatbots/VY/V4/CSS/common/file-upload.webchat-plugin.css' from origin 'https://www.vueling.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to CSS stylesheet at 'https://static.vueling.com/Chatbots/VY/V4/CSS/common/vueling-webchat-form-style.css' from origin 'https://www.vueling.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to CSS stylesheet at 'https://static.vueling.com/Chatbots/VY/V4/CSS/custom/vueling-metachatbot-webchat-style.css' from origin 'https://www.vueling.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to CSS stylesheet at 'https://static.vueling.com/corporativeCMS/WebComponents/home/browser/home.css?v=639118896464479481' from origin 'https://www.vueling.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED

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.

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
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.vueling.com/en/customer-services/cookie-policyMore information

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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