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Audit Complete

Results for https://spirit.com

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Spain Spain · Madrid Completed: Apr 15, 2026 23:07 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
D67

Site Health

Score: 67 / 100

Based on 8 categories, 0 sections

Room to improve — your 15.9s load time is above Google's 2.5s 'Good' threshold.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Solid SEO basics — a few optimizations could boost rankings.

Solid infrastructure — fast server responses across the board.

Mostly compliant — a few items need attention.

Missing metadata means poor previews on social media and search.

Heavier than average — reducing page weight saves energy and bandwidth.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

Google Search Console sites average 73
-6 below average
Better than 2% of Google Search Console sites See full Google Search Console benchmark →
HSTS sites average 74
-7 below average

Top Priorities (5)

1

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
2

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy
3

Page weighs 13.2 MB (4.3 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget
4

No <main> landmark found

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Landmark Structure
5

Soft 404: server returns HTTP 200 for non-existent pages

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › 404 Error Page
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

2

High impact, low effort — start here.

Strategic

3

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
BeaverCheck badge
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<a href="https://beavercheck.com/results/231041d7-c9d5-4383-8b6c-97270bcc87da"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fspirit.com" alt="BeaverCheck Score"></a>
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What fixing these means

Your site has several issues that may be affecting user experience and business outcomes. Your LCP of 15.9s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

2 security gaps detected — browsers may warn visitors about your site.
Your LCP is 15.9s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.
2 accessibility issues exclude users who rely on assistive technology.
C
Could reach Estimate based on resolving critical issues

Return on Investment

$600 investment → $1.08/month returns + USD 157,500 risk avoided

Payback period: > 2 years First-year ROI: -98%

Investment

$600

6h · 5 findings

Monthly returns

$1.08 /mo

~$13 / year

  • Bandwidth savings $1.08

Regulatory risk avoided

USD 157,500

if kept compliant

  • ADA Title III USD 150,000
  • CCPA/CPRA USD 7,500

$100 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

$600

6.0 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$100 2 fixes in ~60 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
$ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

$13,126 / month at risk

~$157,513 / year if left unfixed

Compliance Risk

$157,500

ADA Title IIICCPA/CPRA
  • No privacy policy link detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no cookie policy found
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no privacy policy found
    CCPA/CPRA: USD 2,500 – USD 7,500

+6 more

Bandwidth Waste

$1.08 /mo

13504.2 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~1.4 MB per page load
    Saves $1.08/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

6
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
89
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
62
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

7.08 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

15.87 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

11.68 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.417

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

14.29 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

37.79 s

Detailed Report

Audit breakdown by category with detailed findings.

6

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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
www.spirit.com/chunk-VL6UTHGR.js1800.0 s399.3 KiB
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...600.0 s263.7 KiB
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB21600.0 s177.5 KiB
/signals/config/702868583505171?v=2.9.298&r=stable&domain...1200.0 s124.5 KiB
www.spirit.com/assets/font/source-sans-pro/WOFF/TTF/SourceSansPro-Bold.ttf.woff1800.0 s115.6 KiB
/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg...21600.0 s153.2 KiB
www.spirit.com/kp4CLSb5/init.js600.0 s100.8 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.4 KiB
client.px-cloud.net/PXkp4CLSb5/main.min.js600.0 s92.2 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Regu...1800.0 s85.3 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Semi...1800.0 s84.7 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Bold...1800.0 s84.2 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Blac...1800.0 s80.6 KiB
js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js3600.0 s82.4 KiB
www.spirit.com/main-QCQ4ECNE.js1800.0 s76.2 KiB
edge.fullstory.com/s/fs.js3600.0 s79.9 KiB
content.spirit.com/a/45161385.0 s71.6 KiB
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc600.0 s56.8 KiB
assets.adobedtm.com/3b17361c9745/2ba699cc92bf/launch-a205ddd56998.min.js3600.0 s59.7 KiB
cdn.cookielaw.org/scripttemplates/202408.1.0/otBannerSdk.js86400.0 s110.4 KiB
www.spirit.com/chunk-X7YIKWWY.js1800.0 s50.6 KiB
www.spirit.com/styles-SMC22YWN.css1800.0 s49.0 KiB
www.spirit.com/chunk-E2KQHCOB.js1800.0 s42.2 KiB
static.sojern.com/sdk/latest/sojern.min.js3600.0 s44.5 KiB
www.spirit.com/assets/font/druk/WOFF2/DrukText-Heavy-Web.woff21800.0 s38.2 KiB
www.spirit.com/assets/font/druk/WOFF2/DrukText-Bold-Web.woff21800.0 s38.1 KiB
/assets/font/source-sans-pro/WOFF2/TTF/SourceSansPro-Bold...1800.0 s35.5 KiB
p11.techlab-cdn.com/e/65226_747628217.js600.0 s32.7 KiB
www.spirit.com/assets/font/druk/WOFF2/DrukText-HeavyItalic-Web.woff21800.0 s31.2 KiB
www.spirit.com/chunk-TXV4ZA25.js1800.0 s22.1 KiB
content.spirit.com/a/44461767.0 s19.4 KiB
p11.techlab-cdn.com/e/65319_1825202430.js600.0 s18.2 KiB
/signals/config/223204056382684?v=2.9.298&r=stable&domain...1200.0 s18.5 KiB
content.spirit.com/a/3869184.0 s16.3 KiB
rs.fullstory.com/rec/integrations?OrgId=NC1WY&isInFrame=false&isNative=false0.0 ms15.3 KiB
dnlq9p2b.micpn.com/p/js/1.js0.0 ms15.1 KiB
content.spirit.com/a/47671489.0 s16.4 KiB
js.adsrvr.org/up_loader.1.1.0.js0.0 ms12.2 KiB
content.spirit.com/a/44441622.0 s14.0 KiB
www.spirit.com/polyfills-T7SMI6KD.js1800.0 s12.8 KiB
edge.fullstory.com/datalayer/v4/latest.js3600.0 s13.5 KiB
content.spirit.com/a/51021489.0 s10.9 KiB
www.spirit.com/chunk-HUN2AIE5.js1800.0 s11.0 KiB
www.spirit.com/chunk-6NQC5KSF.js1800.0 s9.1 KiB
cdn.cookielaw.org/logos/static/ot_company_logo.png86400.0 s19.1 KiB
www.spirit.com/assets/font/icomoon/icomoon.woff2?mvrqne1800.0 s7.8 KiB
www.spirit.com/assets/font/icomoon/icomoon.woff2?71u5kw1800.0 s7.8 KiB
content.spirit.com/a/16791362.0 s7.2 KiB
www.spirit.com/chunk-MZ5STZQZ.js1800.0 s7.0 KiB
p11.techlab-cdn.com/e/65257_1825232097.js600.0 s6.3 KiB
www.spirit.com/chunk-MBD7S6AI.js1800.0 s6.1 KiB
js.adara.com/index.js3600.0 s6.5 KiB
p11.techlab-cdn.com/e/64854_747627194.js600.0 s4.9 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js86400.0 s9.1 KiB
www.spirit.com/chunk-HJZMENRW.js1800.0 s4.0 KiB
/signals/config/509164334859007?v=2.9.298&r=stable&domain...1200.0 s3.5 KiB
www.spirit.com/chunk-5A6I2YSG.js1800.0 s3.5 KiB
www.spirit.com/chunk-XS73VHD5.js1800.0 s3.3 KiB
s.pinimg.com/ct/lib/main.34af66ec.js1209600.0 s27.4 KiB
www.spirit.com/chunk-5VQ6ROXC.js1800.0 s2.9 KiB
www.spirit.com/chunk-XLBRDWLJ.js1800.0 s2.3 KiB
www.spirit.com/chunk-TKDRZ6WF.js1800.0 s2.1 KiB
content.spirit.com/a/16901519.0 s2.1 KiB
p11.techlab-cdn.com/e/64885_1825202523.js600.0 s1.9 KiB
ct.pinterest.com/static/ct/token_create.js7200.0 s2.2 KiB
content.spirit.com/a/28301622.0 s1.9 KiB
content.spirit.com/a/45171314.0 s1.8 KiB
s.pinimg.com/ct/core.js7200.0 s2.1 KiB
compare-static.spirit.com/tag.js86400.0 s3.5 KiB
content.spirit.com/a/16911519.0 s1.2 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg86400.0 s2.7 KiB
www.spirit.com/chunk-CKGTCNTM.js1800.0 s1.2 KiB
content.spirit.com/a/16921519.0 s1.2 KiB
content.spirit.com/a/28321622.0 s1.1 KiB
content.spirit.com/a/28311519.0 s1.1 KiB
js.adsrvr.org/universal_pixel.js0.0 ms958 B
content.spirit.com/a/18631314.0 s1.0 KiB
content.spirit.com/a/28291488.0 s1.0 KiB
content.spirit.com/a/28341519.0 s1.0 KiB
content.spirit.com/a/27341373.0 s1.0 KiB
www.spirit.com/assets/img/home/home-widget/icons-arrow-round-trip.svg1800.0 s1008 B
content.spirit.com/a/47651315.0 s985 B
content.spirit.com/a/16881769.0 s999 B
www.spirit.com/chunk-Z2UEVJ6E.js1800.0 s943 B
content.spirit.com/a/28331519.0 s926 B
www.spirit.com/chunk-TCDA5OBT.js1800.0 s924 B
www.spirit.com/chunk-RLMKX5FZ.js1800.0 s872 B
www.spirit.com/chunk-LG7HMVNP.js1800.0 s844 B
www.spirit.com/chunk-JWQOD4WD.js1800.0 s828 B
content.spirit.com/a/1805505.0 s758 B
content.spirit.com/a/18401358.0 s801 B
content.spirit.com/a/18381358.0 s772 B
content.spirit.com/a/18431358.0 s769 B
content.spirit.com/a/18411358.0 s759 B
www.securitytrfx.com/js/nk_cf.js300.0 s668 B
www.spirit.com/chunk-STTNX5BB.js1800.0 s738 B
content.spirit.com/a/18391358.0 s719 B
content.spirit.com/a/18421362.0 s696 B
www.spirit.com/chunk-P3NC5JAM.js1800.0 s687 B
www.spirit.com/chunk-XH7GAETT.js1800.0 s668 B
compare-static.spirit.com/custom/spirit/cti_spirit.js86400.0 s1.4 KiB
www.spirit.com/chunk-OIVPQI2H.js1800.0 s648 B
www.spirit.com/chunk-PY542GTK.js1800.0 s645 B
www.spirit.com/chunk-XU4A4RUF.js1800.0 s639 B
www.spirit.com/chunk-G4E6LAMX.js1800.0 s629 B
www.spirit.com/chunk-DGHIL5BD.js1800.0 s436 B
cdn.noibu.com/collect.js1800.0 s412 B
/p7c/v1/pixel?publisherID=2713&firstDraw=true&pageType=un...0.0 ms33 B
/tr/?id=702868583505171&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms19 B
/tr/?id=223204056382684&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
edge.fullstory.com/s/fs.js3600.0 s0 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.41732] 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]]
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:0.110306] 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(&quot;https://content.spirit.com/a/3869&quot;);">

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.

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
World Elite div.d-flex > div.d-flex > div.self-center > img.credit-card-img
content.spirit.com/a/510210.4 KiB9.2 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
URLTime 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.

ElementLayout 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

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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 2.4 s 1.1 MiB
URLTransfer SizeEst Savings
www.spirit.com/chunk-VL6UTHGR.js398.6 KiB203.8 KiB
www.googletagmanager.com/gtag/js?id=G-VKEG2ZBNZ5&cx=c&gtm=4e64f0h2178.0 KiB66.0 KiB
www.googletagmanager.com/gtag/destination?id=DC-00000000&cx=c&gtm=4e64f0h2125.9 KiB62.1 KiB
www.googletagmanager.com/gtag/destination?id=AW-961659573&cx=c&gtm=4e64f0h2146.6 KiB60.7 KiB
cdn.cookielaw.org/scripttemplates/202408.1.0/otBannerSdk.js110.3 KiB59.3 KiB
www.googletagmanager.com/gtag/destination?id=AW-10775522020&cx=c&gtm=4e64f0h2134.0 KiB58.3 KiB
/asset/__adslot-bundle/335f95f90631af095e4676ed03b3e6ad00...143.9 KiB57.8 KiB
/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gt...214.2 KiB53.0 KiB
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...260.8 KiB45.9 KiB
edge.fullstory.com/s/fs.js79.3 KiB37.0 KiB
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB176.3 KiB34.7 KiB
connect.facebook.net/en_US/fbevents.js96.3 KiB34.4 KiB
/signals/config/702868583505171?v=2.9.298&r=stable&domain...124.4 KiB34.3 KiB
www.spirit.com/main-QCQ4ECNE.js75.7 KiB30.7 KiB
/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg...152.8 KiB28.2 KiB
static.sojern.com/sdk/latest/sojern.min.js44.0 KiB28.0 KiB
client.px-cloud.net/PXkp4CLSb5/main.min.js91.8 KiB27.3 KiB
js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js82.0 KiB27.1 KiB
edge.fullstory.com/s/fs.js79.3 KiB26.4 KiB
www.spirit.com/kp4CLSb5/init.js100.2 KiB26.3 KiB
assets.adobedtm.com/3b17361c9745/2ba699cc92bf/launch-a205ddd56998.min.js59.4 KiB23.8 KiB
www.spirit.com/chunk-X7YIKWWY.js50.2 KiB22.0 KiB
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc56.1 KiB20.4 KiB
static.sojern.com/sdk/latest/sojern.min.js44.0 KiB20.3 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.

URLTotal CPU TimeScript EvaluationScript Parse
www.spirit.com/polyfills-T7SMI6KD.js8.8 s5.4 s5.3 ms
js-cdn.dynatrace.com/jstag/16dcf18d41e/bf04820crc/73bede5a20cee83c_complete.js6.3 s5.9 s17 ms
client.px-cloud.net/PXkp4CLSb5/main.min.js4.5 s2.7 s18 ms
Unattributable3.1 s228 ms0.0 ms
www.spirit.com/static/d1d077d10f110c40d0c9fe606f74062ea7ab0011ba04fc3.1 s2.8 s14 ms
/asset/__adslot-bundle/335f95f90631af095e4676ed03b3e6ad00...1.7 s1.5 s71 ms
www.spirit.com/kp4CLSb5/init.js1.3 s354 ms20 ms
/gtm.js?id=GTM-TRK4LPZ&gtm_auth=cVHzS7BYqjxUbMatudai8Q&gt...1.1 s969 ms75 ms
/kp4CLSb5/captcha/PXkp4CLSb5/captcha.js?a=c&u=a13090c0-39...939 ms790 ms40 ms
www.spirit.com/865 ms393 ms1.3 ms
www.googletagmanager.com/gtag/js?id=G-VKEG2ZBNZ5&cx=c&gtm=4e64f0h2672 ms622 ms47 ms
edge.fullstory.com/s/fs.js504 ms411 ms72 ms
www.spirit.com/BPb84x5I-/NEx/weUNOA/3V9trpYtYS7YXh/aioUXzp6AQ/KjB-Axd9/QkcB494 ms446 ms43 ms
/BPb84x5I-/NEx/weUNOA/JX9trpYt/M2waXzp6AQ/eTEEejtI/M1MNAg...380 ms334 ms39 ms
www.googletagmanager.com/gtag/destination?id=AW-961659573&cx=c&gtm=4e64f0h2359 ms327 ms30 ms
www.googletagmanager.com/gtag/destination?id=AW-10775522020&cx=c&gtm=4e64f0h2309 ms276 ms32 ms
64854_747627194.js267 ms267 ms0.0 ms
assets.adobedtm.com/3b17361c9745/2ba699cc92bf/launch-a205ddd56998.min.js266 ms240 ms17 ms
/signals/config/702868583505171?v=2.9.298&r=stable&domain...246 ms216 ms29 ms
cdn.cookielaw.org/scripttemplates/202408.1.0/otBannerSdk.js224 ms155 ms40 ms
www.googletagmanager.com/gtag/destination?id=DC-00000000&cx=c&gtm=4e64f0h2215 ms179 ms34 ms
static.sojern.com/sdk/latest/sojern.min.js157 ms122 ms33 ms
connect.facebook.net/en_US/fbevents.js128 ms99 ms28 ms
dnlq9p2b.micpn.com/p/js/1.js109 ms92 ms3.6 ms
/infy/acs/account/heul299ijy/js/main/odc.js?_ora.config=a...89 ms80 ms4.8 ms
/signals/config/223204056382684?v=2.9.298&r=stable&domain...82 ms70 ms10 ms
/infy/acs/account/heul299ijy/js/main/analytics-production...71 ms67 ms2.2 ms
s.pinimg.com/ct/lib/main.34af66ec.js70 ms61 ms8.2 ms
js.adara.com/index.js63 ms53 ms1.4 ms
edge.fullstory.com/datalayer/v4/latest.js59 ms54 ms4.1 ms
65319_1825202430.js55 ms53 ms0.0 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.

CategoryTime Spent
Script Evaluation28.2 s
Other7.1 s
Style & Layout2.8 s
Garbage Collection970 ms
Script Parsing & Compilation786 ms
Rendering326 ms
Parse HTML & CSS166 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
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

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
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
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.
62

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.

URLAspect Ratio (Displayed)Aspect Ratio (Actual)
logo div.row > div.col-sm-2 > a.d-flex > img.logo
content.spirit.com/a/167997 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/169220 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/168820 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/169120 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/169020 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/282920 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.

URLDisplayed sizeActual sizeExpected size
chevron-right div.d-flex > div.d-flex > div.chevron-alignment > img.chevron-right
content.spirit.com/a/180532 x 3232 x 3248 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 / WarningSource
AttributionReporting
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
Failed to load resource: the server responded with a status of 403 ()
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.
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.
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.
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.
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.
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.
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.
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.

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
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
cookiepedia.co.uk/giving-consent-to-cookiesMore 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`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

88
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
69
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
65
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
83
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

927 ms

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

1.97 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

29 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

1.65 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

2.62 s

Detailed Report

Audit breakdown by category with detailed findings.

88

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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.

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:261.917 source:map[column:174625 line:2 type:source-location url:https://client.px-cloud.net/PXkp4CLSb5/main.min.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:0.173 source:map[column:272950 line:1 type:source-location url:https://captcha.px-cloud.net/PXkp4CLSb5/captcha.js?a=c&u=d3fed800-391f-11f1-ab10-0fba2e76b8b8&v=&m=0 urlProvider:network]] map[reflowTime:0.813 source:map[column:217192 line:1 type:source-location url:https://captcha.px-cloud.net/PXkp4CLSb5/captcha.js?a=c&u=d3fed800-391f-11f1-ab10-0fba2e76b8b8&v=&m=0 urlProvider:network]] map[reflowTime:0.326 source:map[column:275034 line:1 type:source-location url:https://captcha.px-cloud.net/PXkp4CLSb5/captcha.js?a=c&u=d3fed800-391f-11f1-ab10-0fba2e76b8b8&v=&m=0 urlProvider:network]] map[reflowTime:0.38 source:map[column:285440 line:1 type:source-location url:https://captcha.px-cloud.net/PXkp4CLSb5/captcha.js?a=c&u=d3fed800-391f-11f1-ab10-0fba2e76b8b8&v=&m=0 urlProvider:network]] map[reflowTime:0.088 source:map[column:196241 line:1 type:source-location url:https://client.px-cloud.net/PXkp4CLSb5/main.min.js urlProvider:network]] map[reflowTime:261.917 source:map[column:174752 line:1 type:source-location url:https://client.px-cloud.net/PXkp4CLSb5/main.min.js urlProvider:network]] map[reflowTime:0.325 source:map[type:text value:[unattributed]]]]

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.

URLTransfer Size
www.spirit.com/pxns/c.js1.9 KiB

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

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.1 s
URLTime Spent
spirit.com/212 ms
www.spirit.com/915 ms
www.spirit.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

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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

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 Evaluation1.5 s
Style & Layout338 ms
Other124 ms
Script Parsing & Compilation49 ms
Garbage Collection36 ms
Parse HTML & CSS11 ms
Rendering8.8 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
Only pages with a status code of 2XX can be cached.Not actionable

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
Logo body > div#px-captcha-wrapper > div.px-captcha-container > img.px-captcha-logo
content.spirit.com/a/1679

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

Max Potential First Input Delay 90 ms
Layout shift culprits
Document request latency
Optimize DOM size
Font display
Improve image delivery
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
Reduce unused CSS
Avoids enormous network payloads Total size was 876 KiB
Avoid long main-thread tasks 8 long tasks found
Avoid non-composited animations 1 animated element found
Network Requests
Network Round Trip Times 40 ms
Server Backend Latencies 230 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
LCP request discovery
User Timing marks and measures
Avoid large layout shifts
69

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
Reference ID d3fed800-391f-11f1-ab10-0fba2e76b8b8 body > div#px-captcha-wrapper > div.px-captcha-container > div.px-captcha-refid

These are opportunities to improve the legibility of your content.

Internationalization and localization

If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

These are opportunities to improve the interpretation of your content by users in different locales.

Best practices

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

These items highlight common accessibility best practices.

Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-hidden="true"]` is not present on the document `<body>`
Image elements have `[alt]` attributes
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Document has a `<title>` element
`[accesskey]` values are unique
`[aria-*]` attributes match their roles
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Deprecated ARIA roles were not used
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements use only permitted ARIA attributes
`[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
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
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
Heading elements appear in a sequentially-descending order
`<html>` element has a valid value for its `[lang]` attribute
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
Form elements have associated labels
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
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
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.
Identical links have the same purpose.
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.
65

Best Practices

Browser Compatibility

Specifying a doctype prevents the browser from switching to quirks-mode. Learn more about the doctype declaration.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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 / 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
Failed to load resource: the server responded with a status of 403 ()
Failed to load resource: the server responded with a status of 403 ()
Refused to execute script from 'https://www.spirit.com/undefined' because its MIME type ('text/html') is not executable, and strict MIME type checking is enabled.

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
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.

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
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
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
Detected JavaScript libraries
83

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

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Crawling and Indexing

Pages with unsuccessful HTTP status codes may not be indexed properly. Learn more about HTTP status codes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

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

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