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Audit Complete

Results for https://viator.com

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Spain Spain · Madrid Completed: Apr 21, 2026 23:44 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)
D67

Site Health

Score: 67 / 100

Based on 8 categories, 0 sections

Room to improve — your 6.6s 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.

Reasonable footprint with room for optimization.

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

Amazon Route 53 · 975 peers
You 67
·
Avg 72
At average
0 50 100
Better than 1% of Amazon Route 53 sites See full Amazon Route 53 benchmark →
Facebook · 1367 peers
You 67
·
Avg 72
At average
0 50 100

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

HSTS header is missing

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

Security › Security Headers
3

No Content-Security-Policy header found

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

Security › Content Security Policy
4

Page weighs 11.3 MB (3.9 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget
5

No <main> landmark found

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

Accessibility › Landmark Structure
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

3

High impact, low effort — start here.

Strategic

2

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 →
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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 6.6s 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.

3 security gaps detected — browsers may warn visitors about your site.
Your LCP is 6.6s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.
1 accessibility issue excludes users who rely on assistive technology.
C
Could reach Estimate based on resolving critical issues

Conversion Barriers

3 critical 6 warning

9 barrier(s) likely increasing bounce by ~33%.

Speed (2)

Page takes 6.6s to load

+12% bounce

Users abandon at ~3s — you're 4.1s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Page feels frozen for 867ms

+5% bounce

Clicks on the primary CTA are ignored while JavaScript runs

Fix: Break up long tasks; defer non-critical JavaScript to post-hydration

Trust (2)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (1)

Severe layout shift during page load

+6% bounce

Users mis-click when content jumps — converting intent into frustration

Fix: Reserve space for images, ads, and embeds with explicit width/height

Content (3)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Thin content

+3% bounce

Under 300 words — visitors bounce looking for substance, search engines rank competitors first

Fix: Add a substantive FAQ, product detail, or case-study section

Navigation (1)

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

$500 investment → $5,007/month returns + USD 157,500 risk avoided

Payback period: < 1 month First-year ROI: +11918%

Investment

$500

5h · 5 findings

Monthly returns

$5,007 /mo

~$60,089 / year

  • Conversions recovered $5,006
  • Bandwidth savings $0.99

Regulatory risk avoided

USD 157,500

if kept compliant

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

Payback period

0 12mo 24mo

$150 — 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

$500

5.0 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$150 3 fixes in ~90 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

~$157,512 / 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

+5 more

Bandwidth Waste

$0.99 /mo

12359.2 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~1.2 MB per page load
    Saves $0.99/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.

21
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
98
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
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.

6.02 s

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

6.65 s

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

867 ms

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

0.342

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

10.21 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.

24.93 s

Detailed Report

Audit breakdown by category with detailed findings.

21

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.

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:0.34230700000000003] map[node:map[boundingRect:map[bottom:1088 height:24 left:16 right:396 top:1064 width:380] lhId:page-19-H2 nodeLabel:Top Destinations path:1,HTML,1,BODY,0,DIV,7,DIV,2,MAIN,9,DIV,0,DIV,0,DIV,0,DIV,0,H2 selector:div._container_cofew_337 > div._headerContainer_1qaxl_325 > div > h2._title_1p4uj_325 snippet:<h2 class="_title_1p4uj_325 _shelfTitle_ws69v_321 _alignCenter_ws69v_327 _title2_1p4u…"> type:node] score:0.217663 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:836 height:20 left:32 right:380 top:816 width:348] lhId:page-17-DIV nodeLabel:Don't have an account yet? Sign up path:1,HTML,1,BODY,0,DIV,7,DIV,2,MAIN,6,DIV,0,DIV,1,DIV,1,DIV selector:div._bannerContainer_l1yhc_326 > div._bannerContainer_1x5om_325 > div._bannerWrapper_1x5om_331 > div._accountPromptText_1x5om_348 snippet:<div class="_accountPromptText_1x5om_348"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:1964 height:24 left:0 right:412 top:1940 width:412] lhId:page-18-DIV nodeLabel:See all attractions path:1,HTML,1,BODY,0,DIV,7,DIV,2,MAIN,14,DIV selector:div#app > div._pageContainer_1yids_5 > main#content > div._topAttractionLink_mop2o_326 snippet:<div class="_topAttractionLink_mop2o_326"> type:node] score:0.124644 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:836 height:20 left:32 right:380 top:816 width:348] lhId:page-17-DIV nodeLabel:Don't have an account yet? Sign up path:1,HTML,1,BODY,0,DIV,7,DIV,2,MAIN,6,DIV,0,DIV,1,DIV,1,DIV selector:div._bannerContainer_l1yhc_326 > div._bannerContainer_1x5om_325 > div._bannerWrapper_1x5om_331 > div._accountPromptText_1x5om_348 snippet:<div class="_accountPromptText_1x5om_348"> type:node]]] type:subitems]]]

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:62.55 source:map[type:text value:[unattributed]]] map[reflowTime:0.602 source:map[column:463 line:32 type:source-location url:https://www.cdn-net.com/cc.js?sid=7400bfc633aece5a&ts=1776814996056&namespace=advc urlProvider:network]] map[reflowTime:3.646 source:map[column:219 line:5 type:source-location url:https://www.cdn-net.com/cc.js?sid=7400bfc633aece5a&ts=1776814996056&namespace=advc urlProvider:network]] map[reflowTime:171.502 source:map[column:364 line:6 type:source-location url:https://www.cdn-net.com/cc.js?sid=7400bfc633aece5a&ts=1776814996056&namespace=advc urlProvider:network]] map[reflowTime:1.131 source:map[column:425 line:95 type:source-location url:https://www.cdn-net.com/cc.js?sid=7400bfc633aece5a&ts=1776814996056&namespace=advc urlProvider:network]] map[reflowTime:0.462 source:map[column:253 line:101 type:source-location url:https://www.cdn-net.com/cc.js?sid=7400bfc633aece5a&ts=1776814996056&namespace=advc urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
SUMMIT One Vanderbilt Experience Ticket div._productCardWrapper_1mzxb_359 > a._productCard_1mzxb_359 > div._imageContainer_1mzxb_400 > img._image_1mzxb_400
dynamic-media.tacdn.com/media/photo-o/2e/b8/3a/eb/caption.jpg?w=600&h=500&s=1126.2 KiB99.4 KiB
Top Rated El Yunque Rainforest & Waterslide – SmallGroup Tour div._productCardWrapper_1mzxb_359 > a._productCard_1mzxb_359 > div._imageContainer_1mzxb_400 > img._image_1mzxb_400
dynamic-media.tacdn.com/media/photo-o/2e/ed/91/5f/caption.jpg?w=600&h=500&s=1113.5 KiB86.7 KiB
Colosseum Arena Floor, Roman Forum and Palatine Hill Guided Tour div._productCardWrapper_1mzxb_359 > a._productCard_1mzxb_359 > div._imageContainer_1mzxb_400 > img._image_1mzxb_400
dynamic-media.tacdn.com/media/photo-o/2e/a6/46/1f/caption.jpg?w=600&h=500&s=199.0 KiB72.2 KiB
Do more with Viator main#content > div._heroShelf_fajqa_78 > div._slideWrapper_1qzqy_355 > img._slideImage_1qzqy_372
/media/photo-o/32/f7/06/a9/caption.jpg?f=webp&w=800&h=500...114.0 KiB63.2 KiB
Chicago River 45-Minute Architecture Tour from Magnificent Mile div._productCardWrapper_1mzxb_359 > a._productCard_1mzxb_359 > div._imageContainer_1mzxb_400 > img._image_1mzxb_400
dynamic-media.tacdn.com/media/photo-o/2e/a2/4c/d6/caption.jpg?w=600&h=500&s=186.0 KiB59.2 KiB
Arena Mexico during the wrestling spectacular, Mexico City. div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/30/49/e5/e7/caption.jpg?w=400&h=300&s=147.5 KiB43.8 KiB
Frida Kahlo Museum (Museo Frida Kahlo) also known as the Blue House in Mexico C… div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/30/49/f1/94/caption.jpg?w=400&h=300&s=146.9 KiB43.3 KiB
Nice scenic view of the Colosseum ruins in summer. div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/30/8e/25/98/caption.jpg?w=400&h=300&s=145.1 KiB41.5 KiB
Landscape view of Table Mountain National Park near Cape Town. div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/32/4d/28/4b/caption.jpg?w=400&h=300&s=141.5 KiB37.9 KiB
A man looks out over Moraine Lake from a mountaintop, Alberta. div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/2f/ad/69/3e/caption.jpg?w=400&h=300&s=138.4 KiB34.8 KiB
People inside Banff Gondola enjoying the views of Banff National Park. div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/30/36/96/d3/caption.jpg?w=400&h=300&s=131.0 KiB27.4 KiB
Aerial view of Icacos Island (Cayo Icacos) in Puerto Rico. div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/2f/ab/31/9f/caption.jpg?w=400&h=300&s=127.8 KiB24.1 KiB
Bison herd at Yellowstone National Park, Jackson Hole, USA div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/attractions-splice-spp-360x240/12/31/ac/92.jpg25.5 KiB21.4 KiB
White sandy beach with turquoise blue Caribbean water on the Culebra Island. div._row_cofew_352 > div._col_cofew_367 > div._imgContainer_1pokz_356 > img._img_1pokz_356
dynamic-media.tacdn.com/media/photo-o/30/4c/6c/b4/caption.jpg?w=400&h=300&s=122.6 KiB18.9 KiB
div > a > div._container_1pmcc_334 > img._image_1pmcc_321 div > a > div._container_1pmcc_334 > img._image_1pmcc_321
/orion/images/homepage/top-destinations/TopDestinations-R...33.6 KiB15.1 KiB
div > a > div._container_1pmcc_334 > img._image_1pmcc_321 div > a > div._container_1pmcc_334 > img._image_1pmcc_321
/orion/images/homepage/top-destinations/TopDestinations-L...26.8 KiB8.3 KiB
div > a > div._container_1pmcc_334 > img._image_1pmcc_321 div > a > div._container_1pmcc_334 > img._image_1pmcc_321
/orion/images/homepage/top-destinations/TopDestinations-W...26.3 KiB7.7 KiB
Don't have an account yet? Sign up div._bannerContainer_l1yhc_326 > div._bannerContainer_1x5om_325 > div._bannerWrapper_1x5om_331 > div._accountPromptText_1x5om_348
/captcha/assets/set/ab2ad50ac42fc00245d3ed94ab56dce80d4c0...8.8 KiB7.1 KiB

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.
description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
value: No additional origins are good candidates for preconnecting

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
/ESWViatorMessagingWebU1721722220141/assets/styles/salesf...26.0 s102.0 KiB
fbauth.viator.com/__/auth/iframe.js1800.0 s90.1 KiB
dd.viator.com/tags.js3600.0 s39.4 KiB
/ESWViatorMessagingWebU1721722220141/assets/js/bootstrap....60.0 s26.2 KiB
beacon.riskified.com/?shop=tripadvisor&sid=6ce8eab9-f21a-48cb-83bd-310a4637ab22600.0 s17.5 KiB
static.captcha-delivery.com/common/fonts/roboto/roboto.woff20.0 ms15.8 KiB
ct.captcha-delivery.com/c.js0.0 ms14.8 KiB
/captcha/assets/set/ab2ad50ac42fc00245d3ed94ab56dce80d4c0...0.0 ms9.1 KiB
/captcha/assets/set/ab2ad50ac42fc00245d3ed94ab56dce80d4c0...0.0 ms9.1 KiB
/SIE/?Q_ZID=ZN_eDug1orOE1Jz3HU3600.0 s4.6 KiB
/dxjsmodule/12.1a2b7192fd54e87d3971.chunk.js?Q_CLIENTVERS...604800.0 s35.9 KiB
/dxjsmodule/CoreModule.js?Q_CLIENTVERSION=2.46.0&Q_CLIENT...604800.0 s30.9 KiB
/ESWViatorMessagingWebU1721722220141/assets/styles/bootst...57.0 s3.0 KiB
/ESWViatorMessagingWebU1721722220141/webruntime/framework...1944348.0 s29.6 KiB
/ESWViatorMessagingWebU1721722220141/assets/js/inert.min.js50.0 s2.8 KiB
/dxjsmodule/37.7ea1ffe71ad8c0799cc1.chunk.js?Q_CLIENTVERS...604800.0 s18.6 KiB
/captcha/assets/tpl/6dc485c0c428c35b53577b146dc6f9179f55e...0.0 ms1.8 KiB
/ESWViatorMessagingWebU1721722220141/assets/js/sitecontex...12.0 s1.6 KiB
/dxjsmodule/2.c77bfb664ac5163c3679.chunk.js?Q_CLIENTVERSI...604800.0 s14.0 KiB
/dxjsmodule/0.afc70b56ad665706f2d1.chunk.js?Q_CLIENTVERSI...604800.0 s10.0 KiB
static.captcha-delivery.com/common/fonts/roboto/font-face.css0.0 ms898 B
/ESWViatorMessagingWebU1721722220141/assets/styles/embedd...26.0 s770 B
/dxjsmodule/4.d5fdf4d261eebac361ea.chunk.js?Q_CLIENTVERSI...604800.0 s7.3 KiB
/dxjsmodule/1.bc67e778235741631577.chunk.js?Q_CLIENTVERSI...604800.0 s7.1 KiB
/dxjsmodule/13.9b36a5a15531a1dbe7a1.chunk.js?Q_CLIENTVERS...604800.0 s7.0 KiB
/dxjsmodule/3.f048ec50c55b1ef46009.chunk.js?Q_CLIENTVERSI...604800.0 s6.4 KiB
/dxjsmodule/39.cb1671aab3326ef58bc7.chunk.js?Q_CLIENTVERS...604800.0 s3.0 KiB
/dxjsmodule/16.8828f705161f0920b6ec.chunk.js?Q_CLIENTVERS...604800.0 s2.4 KiB
/dxjsmodule/43.0c725a97839d486f5d59.chunk.js?Q_CLIENTVERS...604800.0 s2.3 KiB
/img/image-l.gif?t=17768149944700.08424314117769749&c=0kl...0.0 ms207 B
/img/image-l.gif?t=17768149948070.2039920099654593&c=0kl4...0.0 ms206 B
/img/image-l.gif?t=17768149949190.7677956144118906&c=0kl4...0.0 ms206 B
/img/image-l.gif?t=17768149950300.8916652094996497&c=0kl4...0.0 ms206 B
/img/image-l.gif?t=17768149951400.9927789982942602&c=0kl4...0.0 ms206 B
/dxjsmodule/7.f7df015b06d8a90ce822.chunk.js?Q_CLIENTVERSI...604800.0 s1.4 KiB
static.captcha-delivery.com/common/fonts/roboto/roboto.woff20.0 ms0 B
/captcha/assets/tpl/6dc485c0c428c35b53577b146dc6f9179f55e...0.0 ms0 B
static.captcha-delivery.com/common/fonts/roboto/font-face.css0.0 ms0 B

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 788 ms
URLTime Spent
viator.com/788 ms
www.viator.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
Top Destinations div._container_cofew_337 > div._headerContainer_1qaxl_325 > div > h2._title_1p4uj_325
0.218
See all attractions div#app > div._pageContainer_1yids_5 > main#content > div._topAttractionLink_mop2o_326
0.125

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused 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: 300 ms 77.1 KiB
URLTransfer SizeEst Savings
cache.vtrcdn.com/orion/react/client/css/29fed0f3ccd99968.css82.2 KiB77.1 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

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 Evaluation4.0 s
Other1.4 s
Style & Layout1.2 s
Parse HTML & CSS338 ms
Garbage Collection187 ms
Script Parsing & Compilation165 ms
Rendering108 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
Pages with cache-control:no-store header cannot enter back/forward cache.Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.Not actionable

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

Optimize DOM size
LCP breakdown
LCP request discovery
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
Avoid long main-thread tasks 20 long tasks found
Image elements have explicit `width` and `height`
Network Requests
Network Round Trip Times 120 ms
Server Backend Latencies 120 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 490 ms
INP breakdown
User Timing marks and measures
Avoid non-composited animations
98

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.

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
Banff Gondola div._row_cofew_352 > div._col_cofew_367 > div._contentContainer_1pokz_335 > span._title_1p4uj_325
Rio de Janeiro a._spotlightCard_1rvst_325 > div._contentContainer_1rvst_377 > span._title_1rvst_373 > span._title_1p4uj_325

These are opportunities to improve keyboard navigation in your application.

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
a Tripadvisor company header._pageHeaderContent_1y9ew_369 > div._logoContainer_1y9ew_385 > div._logoContainer_117el_343 > a._viatorLogoLink_117el_423
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
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
ARIA attributes are used as specified for the element's role
`[aria-hidden="true"]` elements do not contain focusable descendents
Elements use only permitted ARIA attributes
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<frame>` or `<iframe>` elements have a title
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links are distinguishable without relying on color.
Links have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Document has a main landmark.
Deprecated ARIA roles were not used
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements have accessible names
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
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
Form elements have associated labels
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`[lang]` attributes have a valid value
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
Identical links have the same purpose.
Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
`<td>` elements in a large `<table>` have one or more table headers.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.

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
[GSI_LOGGER]: FedCM get() rejects with NetworkError: Error retrieving a token.
AxiosError: Request failed with status code 403 at Mt (https://cache.vtrcdn.com/orion/react/client/c7c4a925e5123c14.chunk.js:3:1071) at XMLHttpRequest.g (https://cache.vtrcdn.com/orion/react/client/c7c4a925e5123c14.chunk.js:3:5656)
AxiosError: Request failed with status code 403 at Mt (https://cache.vtrcdn.com/orion/react/client/c7c4a925e5123c14.chunk.js:3:1071) at XMLHttpRequest.g (https://cache.vtrcdn.com/orion/react/client/c7c4a925e5123c14.chunk.js:3:5656)
Failed to load resource: the server responded with a status of 403 ()
Failed to load resource: the server responded with a status of 403 ()
Failed to load resource: the server responded with a status of 403 ()
Not signed in with the identity provider.
Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
No issues in the `Issues` panel in Chrome Devtools
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
Redirects HTTP traffic to HTTPS
Ensure proper origin isolation with COOP
Mitigate clickjacking with XFO or CSP
100

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.

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 have descriptive text
Links are crawlable
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`
robots.txt is valid

Desktop audit not available for this result.

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