Lighthouse Mobile

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

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

Performance

Insights

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

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.

Request	Cache TTL	Transfer Size
www.spirit.com/chunk-VL6UTHGR.js	1800.0 s	399.3 KiB
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...	600.0 s	263.7 KiB
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB	21600.0 s	177.5 KiB
/signals/config/702868583505171?v=2.9.298&r=stable&domain...	1200.0 s	124.5 KiB
www.spirit.com/assets/font/source-sans-pro/WOFF/TTF/SourceSansPro-Bold.ttf.woff	1800.0 s	115.6 KiB
/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg...	21600.0 s	153.2 KiB
www.spirit.com/kp4CLSb5/init.js	600.0 s	100.8 KiB
connect.facebook.net/en_US/fbevents.js	1200.0 s	96.4 KiB
client.px-cloud.net/PXkp4CLSb5/main.min.js	600.0 s	92.2 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Regu...	1800.0 s	85.3 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Semi...	1800.0 s	84.7 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Bold...	1800.0 s	84.2 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Blac...	1800.0 s	80.6 KiB
js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js	3600.0 s	82.4 KiB
www.spirit.com/main-QCQ4ECNE.js	1800.0 s	76.2 KiB
edge.fullstory.com/s/fs.js	3600.0 s	79.9 KiB
content.spirit.com/a/4516	1385.0 s	71.6 KiB
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc	600.0 s	56.8 KiB
assets.adobedtm.com/3b17361c9745/2ba699cc92bf/launch-a205ddd56998.min.js	3600.0 s	59.7 KiB
cdn.cookielaw.org/scripttemplates/202408.1.0/otBannerSdk.js	86400.0 s	110.4 KiB
www.spirit.com/chunk-X7YIKWWY.js	1800.0 s	50.6 KiB
www.spirit.com/styles-SMC22YWN.css	1800.0 s	49.0 KiB
www.spirit.com/chunk-E2KQHCOB.js	1800.0 s	42.2 KiB
static.sojern.com/sdk/latest/sojern.min.js	3600.0 s	44.5 KiB
www.spirit.com/assets/font/druk/WOFF2/DrukText-Heavy-Web.woff2	1800.0 s	38.2 KiB
www.spirit.com/assets/font/druk/WOFF2/DrukText-Bold-Web.woff2	1800.0 s	38.1 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Bold...	1800.0 s	35.5 KiB
p11.techlab-cdn.com/e/65226_747628217.js	600.0 s	32.7 KiB
www.spirit.com/assets/font/druk/WOFF2/DrukText-HeavyItalic-Web.woff2	1800.0 s	31.2 KiB
www.spirit.com/chunk-TXV4ZA25.js	1800.0 s	22.1 KiB
content.spirit.com/a/4446	1767.0 s	19.4 KiB
p11.techlab-cdn.com/e/65319_1825202430.js	600.0 s	18.2 KiB
/signals/config/223204056382684?v=2.9.298&r=stable&domain...	1200.0 s	18.5 KiB
content.spirit.com/a/3869	184.0 s	16.3 KiB
rs.fullstory.com/rec/integrations?OrgId=NC1WY&isInFrame=false&isNative=false	0.0 ms	15.3 KiB
dnlq9p2b.micpn.com/p/js/1.js	0.0 ms	15.1 KiB
content.spirit.com/a/4767	1489.0 s	16.4 KiB
js.adsrvr.org/up_loader.1.1.0.js	0.0 ms	12.2 KiB
content.spirit.com/a/4444	1622.0 s	14.0 KiB
www.spirit.com/polyfills-T7SMI6KD.js	1800.0 s	12.8 KiB
edge.fullstory.com/datalayer/v4/latest.js	3600.0 s	13.5 KiB
content.spirit.com/a/5102	1489.0 s	10.9 KiB
www.spirit.com/chunk-HUN2AIE5.js	1800.0 s	11.0 KiB
www.spirit.com/chunk-6NQC5KSF.js	1800.0 s	9.1 KiB
cdn.cookielaw.org/logos/static/ot_company_logo.png	86400.0 s	19.1 KiB
www.spirit.com/assets/font/icomoon/icomoon.woff2?mvrqne	1800.0 s	7.8 KiB
www.spirit.com/assets/font/icomoon/icomoon.woff2?71u5kw	1800.0 s	7.8 KiB
content.spirit.com/a/1679	1362.0 s	7.2 KiB
www.spirit.com/chunk-MZ5STZQZ.js	1800.0 s	7.0 KiB
p11.techlab-cdn.com/e/65257_1825232097.js	600.0 s	6.3 KiB
www.spirit.com/chunk-MBD7S6AI.js	1800.0 s	6.1 KiB
js.adara.com/index.js	3600.0 s	6.5 KiB
p11.techlab-cdn.com/e/64854_747627194.js	600.0 s	4.9 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js	86400.0 s	9.1 KiB
www.spirit.com/chunk-HJZMENRW.js	1800.0 s	4.0 KiB
/signals/config/509164334859007?v=2.9.298&r=stable&domain...	1200.0 s	3.5 KiB
www.spirit.com/chunk-5A6I2YSG.js	1800.0 s	3.5 KiB
www.spirit.com/chunk-XS73VHD5.js	1800.0 s	3.3 KiB
s.pinimg.com/ct/lib/main.34af66ec.js	1209600.0 s	27.4 KiB
www.spirit.com/chunk-5VQ6ROXC.js	1800.0 s	2.9 KiB
www.spirit.com/chunk-XLBRDWLJ.js	1800.0 s	2.3 KiB
www.spirit.com/chunk-TKDRZ6WF.js	1800.0 s	2.1 KiB
content.spirit.com/a/1690	1519.0 s	2.1 KiB
p11.techlab-cdn.com/e/64885_1825202523.js	600.0 s	1.9 KiB
ct.pinterest.com/static/ct/token_create.js	7200.0 s	2.2 KiB
content.spirit.com/a/2830	1622.0 s	1.9 KiB
content.spirit.com/a/4517	1314.0 s	1.8 KiB
s.pinimg.com/ct/core.js	7200.0 s	2.1 KiB
compare-static.spirit.com/tag.js	86400.0 s	3.5 KiB
content.spirit.com/a/1691	1519.0 s	1.2 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg	86400.0 s	2.7 KiB
www.spirit.com/chunk-CKGTCNTM.js	1800.0 s	1.2 KiB
content.spirit.com/a/1692	1519.0 s	1.2 KiB
content.spirit.com/a/2832	1622.0 s	1.1 KiB
content.spirit.com/a/2831	1519.0 s	1.1 KiB
js.adsrvr.org/universal_pixel.js	0.0 ms	958 B
content.spirit.com/a/1863	1314.0 s	1.0 KiB
content.spirit.com/a/2829	1488.0 s	1.0 KiB
content.spirit.com/a/2834	1519.0 s	1.0 KiB
content.spirit.com/a/2734	1373.0 s	1.0 KiB
www.spirit.com/assets/img/home/home-widget/icons-arrow-round-trip.svg	1800.0 s	1008 B
content.spirit.com/a/4765	1315.0 s	985 B
content.spirit.com/a/1688	1769.0 s	999 B
www.spirit.com/chunk-Z2UEVJ6E.js	1800.0 s	943 B
content.spirit.com/a/2833	1519.0 s	926 B
www.spirit.com/chunk-TCDA5OBT.js	1800.0 s	924 B
www.spirit.com/chunk-RLMKX5FZ.js	1800.0 s	872 B
www.spirit.com/chunk-LG7HMVNP.js	1800.0 s	844 B
www.spirit.com/chunk-JWQOD4WD.js	1800.0 s	828 B
content.spirit.com/a/1805	505.0 s	758 B
content.spirit.com/a/1840	1358.0 s	801 B
content.spirit.com/a/1838	1358.0 s	772 B
content.spirit.com/a/1843	1358.0 s	769 B
content.spirit.com/a/1841	1358.0 s	759 B
www.securitytrfx.com/js/nk_cf.js	300.0 s	668 B
www.spirit.com/chunk-STTNX5BB.js	1800.0 s	738 B
content.spirit.com/a/1839	1358.0 s	719 B
content.spirit.com/a/1842	1362.0 s	696 B
www.spirit.com/chunk-P3NC5JAM.js	1800.0 s	687 B
www.spirit.com/chunk-XH7GAETT.js	1800.0 s	668 B
compare-static.spirit.com/custom/spirit/cti_spirit.js	86400.0 s	1.4 KiB
www.spirit.com/chunk-OIVPQI2H.js	1800.0 s	648 B
www.spirit.com/chunk-PY542GTK.js	1800.0 s	645 B
www.spirit.com/chunk-XU4A4RUF.js	1800.0 s	639 B
www.spirit.com/chunk-G4E6LAMX.js	1800.0 s	629 B
www.spirit.com/chunk-DGHIL5BD.js	1800.0 s	436 B
cdn.noibu.com/collect.js	1800.0 s	412 B
/p7c/v1/pixel?publisherID=2713&firstDraw=true&pageType=un...	0.0 ms	33 B
/tr/?id=702868583505171&ev=PageView&dl=https%3A%2F%2Fwww....	0.0 ms	19 B
/tr/?id=223204056382684&ev=PageView&dl=https%3A%2F%2Fwww....	0.0 ms	16 B
edge.fullstory.com/s/fs.js	3600.0 s	0 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:0.41732] map[node:map[boundingRect:map[bottom:2636 height:2572 left:0 right:412 top:64 width:412] lhId:page-1-MAIN nodeLabel:FLIGHT BUNDLE & SAVE HOTEL CAR CRUISE Round Trip 1 Adult From To Depart & Ret… path:1,HTML,2,BODY,1,APP-ROOT,4,MAIN selector:body.en-US > app-root > main snippet:<main _ngcontent-ng-c4095957980=""> type:node] score:0.330625] map[node:map[boundingRect:map[bottom:2636 height:2572 left:0 right:412 top:64 width:412] lhId:page-1-MAIN nodeLabel:FLIGHT BUNDLE & SAVE HOTEL CAR CRUISE Round Trip 1 Adult From To Depart & Ret… path:1,HTML,2,BODY,1,APP-ROOT,4,MAIN selector:body.en-US > app-root > main snippet:<main _ngcontent-ng-c4095957980=""> type:node] score:0.070495] map[node:map[boundingRect:map[bottom:46 height:28 left:144 right:241 top:18 width:97] lhId:page-3-A nodeLabel:Spirit path:1,HTML,2,BODY,1,APP-ROOT,3,APP-COMMON-HEADER,1,SPIRIT-HEADER,0,DIV,0,HEADER,0,NAV,0,DIV,1,A selector:header.spirit-header > nav.navbar > div.mobile-nav-bar > a snippet:<a _ngcontent-ng-c2999930743="" href="../" aria-label="Spirit" data-qa="home-page.common-headermobile-logo"> type:node] score:0.0162]]

items: [map[node:map[type:text value:Total] score:0.110306] map[node:map[boundingRect:map[bottom:823 height:340 left:0 right:412 top:483 width:412] lhId:page-0-DIV nodeLabel:Before we continue... Press & Hold to confirm you are a human (and not a bot). … path:1,HTML,1,BODY,2,DIV,1,DIV selector:body > div#px-captcha-wrapper > div.px-captcha-container snippet:<div class="px-captcha-container"> type:node] score:0.030986] map[node:map[boundingRect:map[bottom:823 height:340 left:0 right:412 top:483 width:412] lhId:page-0-DIV nodeLabel:Before we continue... Press & Hold to confirm you are a human (and not a bot). … path:1,HTML,1,BODY,2,DIV,1,DIV selector:body > div#px-captcha-wrapper > div.px-captcha-container snippet:<div class="px-captcha-container"> type:node] score:0.022439] map[node:map[boundingRect:map[bottom:823 height:340 left:0 right:412 top:483 width:412] lhId:page-0-DIV nodeLabel:Before we continue... Press & Hold to confirm you are a human (and not a bot). … path:1,HTML,1,BODY,2,DIV,1,DIV selector:body > div#px-captcha-wrapper > div.px-captcha-container snippet:<div class="px-captcha-container"> type:node] score:0.021366] map[node:map[boundingRect:map[bottom:823 height:340 left:0 right:412 top:483 width:412] lhId:page-0-DIV nodeLabel:Before we continue... Press & Hold to confirm you are a human (and not a bot). … path:1,HTML,1,BODY,2,DIV,1,DIV selector:body > div#px-captcha-wrapper > div.px-captcha-container snippet:<div class="px-captcha-container"> type:node] score:0.006348] map[node:map[boundingRect:map[bottom:823 height:340 left:0 right:412 top:483 width:412] lhId:page-0-DIV nodeLabel:Before we continue... Press & Hold to confirm you are a human (and not a bot). … path:1,HTML,1,BODY,2,DIV,1,DIV selector:body > div#px-captcha-wrapper > div.px-captcha-container snippet:<div class="px-captcha-container"> type:node] score:0.006091]]

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:2.546 source:map[column:21663 line:1 type:source-location url:https://www.spirit.com/polyfills-T7SMI6KD.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:0.15 source:map[column:169067 line:3 type:source-location url:https://edge.fullstory.com/s/fs.js urlProvider:network]] map[reflowTime:0.083 source:map[type:text value:[unattributed]]] map[reflowTime:2.546 source:map[column:264820 line:0 type:source-location url:https://www.spirit.com/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg?v=2a0c421c-8b26-9c9e-6b20-1c2333b10211 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-SECTION

nodeLabel: FLIGHT BUNDLE & SAVE HOTEL CAR CRUISE Round Trip 1 Adult From To Depart & Ret…

path: 1,HTML,2,BODY,1,APP-ROOT,4,MAIN,1,DIV,1,APP-HOME-PAGE,1,SECTION

selector: main > div.container > app-home-page.ng-star-inserted > section.home-widget-section

snippet: <section _ngcontent-ng-c619115412="" class="home-widget-section breakout-full-width ng-star-inserted" style="background-image: url("https://content.spirit.com/a/3869");">

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.

URL	Transfer Size	Duration
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB	177.5 KiB	902 ms
js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js	82.4 KiB	2.1 s
cdn.cookielaw.org/scripttemplates/otSDKStub.js	9.1 KiB	982 ms
assets.adobedtm.com/3b17361c9745/2ba699cc92bf/launch-a205ddd56998.min.js	59.7 KiB	1.7 s

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.

	URL	Resource Size	Est Savings
World Elite `div.d-flex > div.d-flex > div.self-center > img.credit-card-img`	content.spirit.com/a/5102	10.4 KiB	9.2 KiB

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

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.

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: 821 ms

URL	Time Spent
spirit.com/	821 ms
www.spirit.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.

Element	Layout shift score
FLIGHT BUNDLE & SAVE HOTEL CAR CRUISE Round Trip 1 Adult From To Depart & Ret… `body.en-US > app-root > main`	0.331
FLIGHT BUNDLE & SAVE HOTEL CAR CRUISE Round Trip 1 Adult From To Depart & Ret… `body.en-US > app-root > main`	0.070
	0.031
	0.022
	0.021
Spirit `header.spirit-header > nav.navbar > div.mobile-nav-bar > a`	0.016
	0.006
	0.006
	0.004
	0.004
	0.003
	0.003
	0.003
	0.002
	0.002

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 150 ms 74.6 KiB

URL	Transfer Size	Est Savings
www.spirit.com/styles-SMC22YWN.css	48.5 KiB	45.3 KiB
	20.4 KiB	18.3 KiB
.home-widget.multi-city-wrapper[_ngcontent-ng-c4043064263]{min-height:11.2rem} …	13.1 KiB	11.1 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: 2.4 s 1.1 MiB

URL	Transfer Size	Est Savings
www.spirit.com/chunk-VL6UTHGR.js	398.6 KiB	203.8 KiB
www.googletagmanager.com/gtag/js?id=G-VKEG2ZBNZ5&cx=c&gtm=4e64f0h2	178.0 KiB	66.0 KiB
www.googletagmanager.com/gtag/destination?id=DC-00000000&cx=c&gtm=4e64f0h2	125.9 KiB	62.1 KiB
www.googletagmanager.com/gtag/destination?id=AW-961659573&cx=c&gtm=4e64f0h2	146.6 KiB	60.7 KiB
cdn.cookielaw.org/scripttemplates/202408.1.0/otBannerSdk.js	110.3 KiB	59.3 KiB
www.googletagmanager.com/gtag/destination?id=AW-10775522020&cx=c&gtm=4e64f0h2	134.0 KiB	58.3 KiB
/asset/__adslot-bundle/335f95f90631af095e4676ed03b3e6ad00...	143.9 KiB	57.8 KiB
/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gt...	214.2 KiB	53.0 KiB
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...	260.8 KiB	45.9 KiB
edge.fullstory.com/s/fs.js	79.3 KiB	37.0 KiB
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB	176.3 KiB	34.7 KiB
connect.facebook.net/en_US/fbevents.js	96.3 KiB	34.4 KiB
/signals/config/702868583505171?v=2.9.298&r=stable&domain...	124.4 KiB	34.3 KiB
www.spirit.com/main-QCQ4ECNE.js	75.7 KiB	30.7 KiB
/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg...	152.8 KiB	28.2 KiB
static.sojern.com/sdk/latest/sojern.min.js	44.0 KiB	28.0 KiB
client.px-cloud.net/PXkp4CLSb5/main.min.js	91.8 KiB	27.3 KiB
js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js	82.0 KiB	27.1 KiB
edge.fullstory.com/s/fs.js	79.3 KiB	26.4 KiB
www.spirit.com/kp4CLSb5/init.js	100.2 KiB	26.3 KiB
assets.adobedtm.com/3b17361c9745/2ba699cc92bf/launch-a205ddd56998.min.js	59.4 KiB	23.8 KiB
www.spirit.com/chunk-X7YIKWWY.js	50.2 KiB	22.0 KiB
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc	56.1 KiB	20.4 KiB
static.sojern.com/sdk/latest/sojern.min.js	44.0 KiB	20.3 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.

URL	Total CPU Time	Script Evaluation	Script Parse
www.spirit.com/polyfills-T7SMI6KD.js	8.8 s	5.4 s	5.3 ms
js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js	6.3 s	5.9 s	17 ms
client.px-cloud.net/PXkp4CLSb5/main.min.js	4.5 s	2.7 s	18 ms
Unattributable	3.1 s	228 ms	0.0 ms
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc	3.1 s	2.8 s	14 ms
/asset/__adslot-bundle/335f95f90631af095e4676ed03b3e6ad00...	1.7 s	1.5 s	71 ms
www.spirit.com/kp4CLSb5/init.js	1.3 s	354 ms	20 ms
/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gt...	1.1 s	969 ms	75 ms
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...	939 ms	790 ms	40 ms
www.spirit.com/	865 ms	393 ms	1.3 ms
www.googletagmanager.com/gtag/js?id=G-VKEG2ZBNZ5&cx=c&gtm=4e64f0h2	672 ms	622 ms	47 ms
edge.fullstory.com/s/fs.js	504 ms	411 ms	72 ms
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB	494 ms	446 ms	43 ms
/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg...	380 ms	334 ms	39 ms
www.googletagmanager.com/gtag/destination?id=AW-961659573&cx=c&gtm=4e64f0h2	359 ms	327 ms	30 ms
www.googletagmanager.com/gtag/destination?id=AW-10775522020&cx=c&gtm=4e64f0h2	309 ms	276 ms	32 ms
64854_747627194.js	267 ms	267 ms	0.0 ms
assets.adobedtm.com/3b17361c9745/2ba699cc92bf/launch-a205ddd56998.min.js	266 ms	240 ms	17 ms
/signals/config/702868583505171?v=2.9.298&r=stable&domain...	246 ms	216 ms	29 ms
cdn.cookielaw.org/scripttemplates/202408.1.0/otBannerSdk.js	224 ms	155 ms	40 ms
www.googletagmanager.com/gtag/destination?id=DC-00000000&cx=c&gtm=4e64f0h2	215 ms	179 ms	34 ms
static.sojern.com/sdk/latest/sojern.min.js	157 ms	122 ms	33 ms
connect.facebook.net/en_US/fbevents.js	128 ms	99 ms	28 ms
dnlq9p2b.micpn.com/p/js/1.js	109 ms	92 ms	3.6 ms
/infy/acs/account/heul299ijy/js/main/odc.js?_ora.config=a...	89 ms	80 ms	4.8 ms
/signals/config/223204056382684?v=2.9.298&r=stable&domain...	82 ms	70 ms	10 ms
/infy/acs/account/heul299ijy/js/main/analytics-production...	71 ms	67 ms	2.2 ms
s.pinimg.com/ct/lib/main.34af66ec.js	70 ms	61 ms	8.2 ms
js.adara.com/index.js	63 ms	53 ms	1.4 ms
edge.fullstory.com/datalayer/v4/latest.js	59 ms	54 ms	4.1 ms
65319_1825202430.js	55 ms	53 ms	0.0 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.

Category	Time Spent
Script Evaluation	28.2 s
Other	7.1 s
Style & Layout	2.8 s
Garbage Collection	970 ms
Script Parsing & Compilation	786 ms
Rendering	326 ms
Parse HTML & CSS	166 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 reason	Failure type
The page has an unload handler in the main frame.	Actionable
The page has an unload handler in a sub frame.	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 3.9 KiB

URL	Transfer Size	Est Savings
rs.fullstory.com/rec/integrations?OrgId=NC1WY&isInFrame=false&isNative=false	15.1 KiB	3.9 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
www.spirit.com/chunk-VL6UTHGR.js	399.3 KiB
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...	263.7 KiB
/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gt...	214.6 KiB
www.googletagmanager.com/gtag/js?id=G-VKEG2ZBNZ5&cx=c&gtm=4e64f0h2	178.1 KiB
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB	177.5 KiB
/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg...	153.2 KiB
www.googletagmanager.com/gtag/destination?id=AW-961659573&cx=c&gtm=4e64f0h2	146.7 KiB
/asset/__adslot-bundle/335f95f90631af095e4676ed03b3e6ad00...	144.4 KiB
www.googletagmanager.com/gtag/destination?id=AW-10775522020&cx=c&gtm=4e64f0h2	134.0 KiB
www.googletagmanager.com/gtag/destination?id=DC-00000000&cx=c&gtm=4e64f0h2	126.0 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
Big Front Seat passenger receiving a drink `a.ng-star-inserted > div.card-header > div.d-flex > img.sp-image`	content.spirit.com/a/4446
Beach scene `a.ng-star-inserted > div.card-header > div.d-flex > img.sp-image`	content.spirit.com/a/4444
Group of girls laughing `a.ng-star-inserted > div.card-header > div.d-flex > img.sp-image`	content.spirit.com/a/4767
logo `nav.navbar > div.mobile-nav-bar > a > img.logo`	content.spirit.com/a/1679

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

●Optimize DOM size

●Font display

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●User Timing marks and measures 67 user timings

●Avoid long main-thread tasks 20 long tasks found

●Avoid non-composited animations 1 animated element found

●Network Requests

●Network Round Trip Times 180 ms

●Server Backend Latencies 450 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 240 ms

○INP breakdown

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
CHECK FOR AN OFFER `div.d-flex > div.d-flex > div.align-self-center > a.cc-button`

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
body.en-US > iframe#px-captcha-modal `body.en-US > iframe#px-captcha-modal`

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.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
GET TO KNOW US `div.accordion > div > a#open-accordion1 > h4.footer-title`

These are opportunities to improve keyboard navigation in your application.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
click for more info `div.card-body > div.d-flex > div.right-icon > i.icon-chevron-right`
click for more info `div.card-body > div.d-flex > div.right-icon > i.icon-chevron-right`
click for more info `div.card-body > div.d-flex > div.right-icon > i.icon-chevron-right`
Facebook `div#social-nav-container just > ul.social-icons > li.me-xl-4 > a`
Twitter `div#social-nav-container just > ul.social-icons > li.me-xl-4 > a`
Instagram `div#social-nav-container just > ul.social-icons > li.me-xl-4 > a`
YouTube `div#social-nav-container just > ul.social-icons > li.me-xl-4 > a`
Tiktok `div#social-nav-container just > ul.social-icons > li.me-xl-4 > a`

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
Privacy Policy `div#onetrust-group-container > div#onetrust-policy > div#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-*]` attributes match their roles

●`[aria-hidden="true"]` is not present on the document `<body>`

●`[role]`s have all required `[aria-*]` attributes

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●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.

●`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

●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

●`[lang]` attributes have a valid value

●Document has a main landmark.

●Deprecated ARIA roles were not used

●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 an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

○`[role]`s are contained by their required parent element

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○The page contains a heading, skip link, or landmark region

○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.

○Definition list items are wrapped in `<dl>` elements

○ARIA IDs are unique

○No form fields have multiple labels

○`<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.

○`<video>` elements contain a `<track>` element with `[kind="captions"]`

○Tables have different content in the summary attribute and `<caption>`.

○All heading elements contain content.

○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.

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Aspect Ratio (Displayed)	Aspect Ratio (Actual)
logo `div.row > div.col-sm-2 > a.d-flex > img.logo`	content.spirit.com/a/1679	97 x 58 (1.67)	97 x 27 (3.59)
Vacation icon `li.nav-list-item > label.link > div.link-icon > img`	content.spirit.com/a/1692	20 x 24 (0.83)	32 x 32 (1.00)
Hotel icon `li.nav-list-item > label.link > div.link-icon > img`	content.spirit.com/a/1688	20 x 24 (0.83)	32 x 32 (1.00)
Car icon `li.nav-list-item > label.link > div.link-icon > img`	content.spirit.com/a/1691	20 x 24 (0.83)	32 x 32 (1.00)
Cruise icon `li.nav-list-item > label.link > div.link-icon > img`	content.spirit.com/a/1690	20 x 24 (0.83)	32 x 32 (1.00)
Flight icon `li.nav-list-item > label.link > div.link-icon > img`	content.spirit.com/a/2829	20 x 24 (0.83)	18 x 19 (0.95)

Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Displayed size	Actual size	Expected size
chevron-right `div.d-flex > div.d-flex > div.chevron-alignment > img.chevron-right`	content.spirit.com/a/1805	32 x 32	32 x 32	48 x 48

Browser Compatibility

A character encoding declaration is required. It can be done with a `<meta>` tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header. Learn more about declaring the character encoding.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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 / Warning	Source
AttributionReporting	js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js line 251, col 457
Unload event listeners are deprecated and will be removed.	js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js line 251, col 457

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.

Source	Description
www.spirit.com/api/prod-promotion/api/promotions/validateDetailed	`Failed to load resource: the server responded with a status of 403 ()`
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc line 22, col 0	`Framing 'https://00000000.fls.doubleclick.net/' violates the following report-only Content Security Policy directive: "default-src 'self'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.`
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc line 22, col 0	`Framing 'https://00000000.fls.doubleclick.net/' violates the following report-only Content Security Policy directive: "default-src 'self'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.`
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc line 22, col 0	`Framing 'https://ct.pinterest.com/' violates the following report-only Content Security Policy directive: "default-src 'self'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.`
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc line 22, col 0	`Framing 'https://ct.pinterest.com/' violates the following report-only Content Security Policy directive: "default-src 'self'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.`
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc line 22, col 0	`Framing 'https://insight.adsrvr.org/' violates the following report-only Content Security Policy directive: "default-src 'self'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.`
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc line 22, col 0	`Framing 'https://match.adsrvr.org/' violates the following report-only Content Security Policy directive: "default-src 'self'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.`
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc line 22, col 0	`Framing 'https://match.adsrvr.org/' violates the following report-only Content Security Policy directive: "default-src 'self'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.`
www.spirit.com/polyfills-T7SMI6KD.js	`Object`
	ReferenceError: bk_addPageCtx is not defined at <anonymous>:1:1 at https://www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc:23:279 at uf.Z (https://www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc:228:273) at Object.apply (https://www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc:23:267) at https://www.googletagmanager.com/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gtm_preview=env-2:1153:429 at qR (https://www.googletagmanager.com/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gtm_preview=env-2:1155:31) at Md.pR (https://www.googletagmanager.com/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gtm_preview=env-2:1152:92) at Md.<anonymous> (https://www.googletagmanager.com/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gtm_preview=env-2:529:405) at k.apply (https://www.googletagmanager.com/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gtm_preview=env-2:453:466) at fb (https://www.googletagmanager.com/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gtm_preview=env-2:416:719)

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Cookie
Content security policy

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.

URL	Map URL
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...
www.spirit.com/chunk-VL6UTHGR.js
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB
/asset/__adslot-bundle/335f95f90631af095e4676ed03b3e6ad00...
s.pinimg.com/ct/lib/main.34af66ec.js	s.pinimg.com/ct/lib/main.34af66ec.js.map
s.pinimg.com/ct/core.js	s.pinimg.com/ct/core.js.map
ct.pinterest.com/static/ct/token_create.js	ct.pinterest.com/static/ct/token_create.js.map

●Uses HTTPS

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Page has the HTML doctype

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

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 destination	Link Text
cookiepedia.co.uk/giving-consent-to-cookies	More 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`