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https://mandarinoriental.com

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
67
GRADE
D
FIX
5
REVIEW
3
PASS
5
INFO
2

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
63
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
94
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.
85
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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

1.28 s

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

3.27 s

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

210 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.

4.17 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.

3.52 s

Page Load Progression

828 ms
1.7 s
2.5 s
3.3 s
4.1 s
5.0 s
5.8 s
6.6 s
Checks
15
5 PASS 3 REVIEW 5 FIX
F
Page Weight Budget
Action
8.2 MB transferred, 67 requests
FIX
8.2 MB transferred, 67 requests
Critical::
Page weighs 17.5 MB (8.2 MB transferred)
Warning::
JavaScript is 1.4 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.4 MB
Info::
CSS is 385 KB — consider purging unused styles
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
Got: 385 KB
Info::
Fonts are 234 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 234 KB
Info::
67 HTTP requests
Info::
Estimated 1.7 g CO2 per page load
8.2 MB / 2.4 MB budget
8.2 MB transferred
67 requests
1.7 g CO2 per page load
Other 5.7 MiB 69%
JavaScript 1.4 MiB 17%
Images 429.4 KiB 5%
CSS 384.9 KiB 5%
Fonts 234.4 KiB 3%
HTML 80.0 KiB 1%
Other 57.8 KiB 1%
Other 18.3 KiB 0%
Other 3.7 KiB 0%
Other 2.5 KiB 0%
Other 232 B 0%
0 2.4 MB 4.9 MB
Over budget

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.

Why this matters

CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.

Source: web.dev

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (8.2 MiB of 8.2 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Bundles
Action
16 scripts, 810 KB unused
FIX
16 scripts, 810 KB unused
Warning::
https://www.mandarinoriental.com/corporate/main.js...: 488 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-FSQW...: 90 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://assets.adobedtm.com/3eb63c9a5226/00630f5f8...: 80 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.cookielaw.org/scripttemplates/202507.1...: 63 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://connect.facebook.net/en_US/fbevents.js: 42 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 810 KB
810 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.mandarinoriental.com/corporate/main.js?v=2.34.2-beta.1-10710 KB488 KB (70%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-FSQWZL83JH170 KB90 KB (53%)✓3rd
https://assets.adobedtm.com/3eb63c9a5226/00630f5f8e12/launch-8f86470d1a8c.min.js185 KB80 KB (43%)✓3rd
https://cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js120 KB63 KB (53%)✓3rd
https://connect.facebook.net/en_US/fbevents.js97 KB42 KB (43%)✓3rd
https://s.go-mpulse.net/boomerang/ECKT5-EZ9LH-5WTKE-KYVRF-R5NMM54 KB25 KB (46%)✓3rd
https://connect.facebook.net/signals/config/1999997976739764?v=2.9.303&r=stable&domain=www.mandarinoriental.com&hme=97937018cefade17726f0472876fc101316b2ce9008a35a6a5a7977d7436151a&ex_m=104%2C205%2C154%2C22%2C72%2C73%2C145%2C68%2C67%2C11%2C162%2C90%2C16%2C138%2C127%2C39%2C75%2C78%2C134%2C159%2C164%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C165%2C170%2C219%2C62%2C186%2C187%2C55%2C276%2C30%2C74%2C231%2C230%2C229%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C155%2C76%2C158%2C156%2C157%2C50%2C60%2C123%2C15%2C161%2C45%2C263%2C264%2C262%2C26%2C27%2C28%2C48%2C146%2C77%2C112%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C144%2C147%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C149%2C148%2C150%2C141%2C139%2C25%2C35%2C59%2C109%2C160%2C70%2C17%2C152%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C34%2C278%2C293%2C212%2C201%2C202%2C200%2C296%2C288%2C52%2C213%2C107%2C131%2C80%2C121%2C54%2C47%2C49%2C113%2C120%2C126%2C58%2C64%2C151%2C115%2C37%2C32%2C53%2C56%2C100%2C163%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C166%2C167%2C94%2C95%2C9%2C125%2C102%2C51%2C142%2C87%2C79%2C71%2C117%2C106%2C43%2C143%2C0%2C82%2C137%2C140%2C153%2C38%2C108%2C13%2C16848 KB22 KB (45%)✓3rd
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js9 KB—✓3rd
https://assets.adobedtm.com/extensions/EP31dbb9c60e404ba1aa6e746d49be6f29/AppMeasurement.min.js13 KB—✓3rd
https://assets.adobedtm.com/extensions/EP31dbb9c60e404ba1aa6e746d49be6f29/AppMeasurement_Module_ActivityMap.min.js2 KB—✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

F
Page Weight Inventory
Action
67 resources · 8.2 MB · 810 KB savings available
FIX
67 resources · 8.2 MB · 810 KB savings available
Warning::
Page weight 7.2 MB over 1MB target
Got: 8.2 MB Expected: ≤ 1 MB
Info::
~810 KB of savings available
Warning::
66 third-party resources (100% of weight)
Info::
5 resources over 200KB
67 resources · 8.2 MiB · 66 third-party 7.2 MiB over 1MB target
Media 69% · 5.7 MiB
JavaScript 17% · 1.4 MiB
Image 5% · 441.6 KiB
CSS 5% · 389.3 KiB
Font 3% · 234.4 KiB
Document 1% · 80.0 KiB
Other 1% · 65.8 KiB

~809.7 KiB of savings available

Remove unused JavaScript: 809.7 KiB
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: no-store
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-store

DirectiveValueMeaning
no-store—Never cache this response
C
Image Optimization
Action
23 images, 0 KB saveable
REVIEW
23 images, 0 KB saveable
Warning::
https://media.ffycdn.net/eu/mandarin-oriental-hote... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://media.ffycdn.net/eu/mandarin-oriental-hote... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://media.ffycdn.net/eu/mandarin-oriental-hote... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn-assets-eu.frontify.com/s3/frontify-ent... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://media.ffycdn.net/eu/mandarin-oriental-hote... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://media.ffycdn.net/eu/mandarin-oriental-hote... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://media.ffycdn.net/eu/mandarin-oriental-hote... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://media.ffycdn.net/eu/mandarin-oriental-hote... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn-assets-eu.frontify.com/s3/frontify-ent... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
23 images 429 KB
0 oversized -0 KB
14 legacy format
9 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

C
JS Execution Cost
Action
1559ms total JS execution
REVIEW
1559ms total JS execution
Warning::
https://www.mandarinoriental.com/corporate/main.js...: 872ms CPU time
Warning::
Unattributable: 276ms CPU time
Info::
https://www.mandarinoriental.com/en: 144ms CPU time
Info::
https://assets.adobedtm.com/3eb63c9a5226/00630f5f8...: 124ms CPU time
Info::
https://cdn.cookielaw.org/scripttemplates/202507.1...: 74ms CPU time
Warning::
Third-party scripts: 1559ms (100% of total)

Main Thread Breakdown

Script Evaluation 47% Other 23% Script Parsing & Compilation 11% Style & Layout 8% Parse HTML & CSS 8%
ScriptTotalScriptingParse/CompileParty
https://www.mandarinoriental.com/corporate/main.js?v=2.34.2-beta.1-10872ms478ms103ms3rd
Unattributable276ms29ms0ms3rd
https://www.mandarinoriental.com/en144ms6ms2ms3rd
https://assets.adobedtm.com/3eb63c9a5226/00630f5f8e12/launch-8f86470d1a8c.min.js124ms99ms23ms3rd
https://cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js74ms47ms15ms3rd
https://www.googletagmanager.com/gtag/js?id=G-FSQWZL83JH69ms50ms17ms3rd
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+
Font Loading
7 fonts (234 KB)
PASS
7 fonts (234 KB)
Info::
7 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

7

234 KB total

Render-blocking

0

of 7

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s FCP 1.3 s LCP 3.3 shttps://www.mandarinoriental.com/fonts/avenir-next-lt-pro-regular.woff2avenir-next-lt-pro-regu... https://www.mandarinoriental.com/fonts/avenir-next-lt-pro-regular.woff2 — 31.3 KiB — 12 ms — font-display: swaphttps://www.mandarinoriental.com/fonts/futura-pt-book.woff2futura-pt-book.woff2 https://www.mandarinoriental.com/fonts/futura-pt-book.woff2 — 40.2 KiB — 15 ms — font-display: swaphttps://www.mandarinoriental.com/fonts/mo-exceptional-regular.woffmo-exceptional-regular.... https://www.mandarinoriental.com/fonts/mo-exceptional-regular.woff — 17.6 KiB — 22 ms — font-display: swaphttps://www.mandarinoriental.com/fonts/avenir-next-lt-pro-bold.woff2avenir-next-lt-pro-bold... https://www.mandarinoriental.com/fonts/avenir-next-lt-pro-bold.woff2 — 32.4 KiB — 27 ms — font-display: swaphttps://www.mandarinoriental.com/fonts/futura-pt-medium.woff2futura-pt-medium.woff2 https://www.mandarinoriental.com/fonts/futura-pt-medium.woff2 — 40.2 KiB — 18 ms — font-display: swaphttps://www.mandarinoriental.com/fonts/futura-pt-medium.woff2futura-pt-medium.woff2 https://www.mandarinoriental.com/fonts/futura-pt-medium.woff2 — 40.2 KiB — 9 ms — font-display: swaphttps://www.mandarinoriental.com/fonts/avenir-next-lt-pro-bold.woff2avenir-next-lt-pro-bold... https://www.mandarinoriental.com/fonts/avenir-next-lt-pro-bold.woff2 — 32.4 KiB — 14 ms — font-display: swap
avenir-next-lt-pro-regu... woff2 swap
Size 31 KB
Load time 12 ms
Start 899 ms
Risk FOUT — text flashes from fallback to web font
futura-pt-book.woff2 woff2 swap
Size 40 KB
Load time 15 ms
Start 899 ms
Risk FOUT — text flashes from fallback to web font
mo-exceptional-regular.... woff swap
Size 18 KB
Load time 22 ms
Start 899 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
avenir-next-lt-pro-bold... woff2 swap
Size 32 KB
Load time 27 ms
Start 900 ms
Risk FOUT — text flashes from fallback to web font
futura-pt-medium.woff2 woff2 swap
Size 40 KB
Load time 18 ms
Start 900 ms
Risk FOUT — text flashes from fallback to web font
futura-pt-medium.woff2 woff2 swap
Size 40 KB
Load time 9 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
avenir-next-lt-pro-bold... woff2 swap
Size 32 KB
Load time 14 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)

Fixing the unchecked items could save ~5 KB and ~10 ms

A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
Network Waterfall
67 requests over 5887ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s FCP 1.3 s LCP 3.3 shttps://mandarinoriental.com// https://mandarinoriental.com/ — 301 — 2.0 KiB — 56 ms — h2https://www.mandarinoriental.com/www.mandarinoriental.com/ https://www.mandarinoriental.com/ — 301 — 2.5 KiB — 30 ms — h2https://www.mandarinoriental.com/en/www.mandarinoriental.com/en/ https://www.mandarinoriental.com/en/ — 301 — 2.4 KiB — 7 ms — h2https://www.mandarinoriental.com/enwww.mandarinoriental.com/en https://www.mandarinoriental.com/en — 200 — 80.0 KiB — 871 ms — h2https://www.mandarinoriental.com/fonts/avenir-next-lt-pro-regular.woff2www.mandarinoriental.com/fonts/aven... https://www.mandarinoriental.com/fonts/avenir-next-lt-pro-regular.woff2 — 200 — 31.3 KiB — 12 ms — h2https://www.mandarinoriental.com/fonts/futura-pt-book.woff2www.mandarinoriental.com/fonts/futu... https://www.mandarinoriental.com/fonts/futura-pt-book.woff2 — 200 — 40.2 KiB — 15 ms — h2https://www.mandarinoriental.com/fonts/mo-exceptional-regular.woffwww.mandarinoriental.com/fonts/mo-e... https://www.mandarinoriental.com/fonts/mo-exceptional-regular.woff — 200 — 17.6 KiB — 22 ms — h2https://www.mandarinoriental.com/fonts/avenir-next-lt-pro-bold.woff2www.mandarinoriental.com/fonts/aven... https://www.mandarinoriental.com/fonts/avenir-next-lt-pro-bold.woff2 — 200 — 32.4 KiB — 27 ms — h2https://www.mandarinoriental.com/fonts/futura-pt-medium.woff2www.mandarinoriental.com/fonts/futu... https://www.mandarinoriental.com/fonts/futura-pt-medium.woff2 — 200 — 40.2 KiB — 18 ms — h2https://www.mandarinoriental.com/corporate/corporate.css?v=2.34.2-beta.1-10www.mandarinoriental.com/corporate/... https://www.mandarinoriental.com/corporate/corporate.css?v=2.34.2-beta.1-10 — 200 — 384.9 KiB — 35 ms — h2https://www.googletagmanager.com/gtag/js?id=G-FSQWZL83JHwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-FSQWZL83JH — 200 — 170.3 KiB — 272 ms — h2https://media.ffycdn.net/eu/mandarin-oriental-hotel-group/t6T519YtkLq28Nm4ExKA.svgmedia.ffycdn.net/eu/mandarin-orient... https://media.ffycdn.net/eu/mandarin-oriental-hotel-group/t6T519YtkLq28Nm4ExKA.svg — 200 — 1.4 KiB — 29 ms — h2https://www.mandarinoriental.com/app.webmanifestwww.mandarinoriental.com/app.webman... https://www.mandarinoriental.com/app.webmanifest — 200 — 2.5 KiB — 213 ms — h2https://media.ffycdn.net/eu/mandarin-oriental-hotel-group/PG36Wqh4VfAeL2jrp6rG.svgmedia.ffycdn.net/eu/mandarin-orient... https://media.ffycdn.net/eu/mandarin-oriental-hotel-group/PG36Wqh4VfAeL2jrp6rG.svg — 200 — 1.2 KiB — 5 ms — h2https://media.ffycdn.net/eu/mandarin-oriental-hotel-group/vbRp21NfB32rkVpYaZqQ.svgmedia.ffycdn.net/eu/mandarin-orient... https://media.ffycdn.net/eu/mandarin-oriental-hotel-group/vbRp21NfB32rkVpYaZqQ.svg — 200 — 1.1 KiB — 7 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 1559ms · 1266KB · HK$115/mo
www.mandarinoriental.com
Other
Costly
Execution 872ms
Transfer 710 KB
Unused 70%
Monthly Cost HK$65/mo
Unattributable
Other
Costly
Execution 276ms
Transfer 0 KB
Monthly Cost HK$20/mo
www.mandarinoriental.com
Other
Optional
Execution 144ms
Transfer 80 KB
Monthly Cost HK$11/mo
assets.adobedtm.com
Other
Optional
Execution 124ms
Transfer 185 KB
Unused 43%
Monthly Cost HK$9/mo
OneTrust
Consent
Essential
Execution 74ms
Transfer 120 KB
Unused 53%
Monthly Cost HK$5/mo
Google Tag Manager
Tag Manager
Optional
Execution 69ms
Transfer 170 KB
Unused 53%
Monthly Cost HK$5/mo

These scripts may cost more than they're worth

  • www.mandarinoriental.com adds 872ms and costs ~HK$65/month
  • Unattributable adds 276ms and costs ~HK$20/month

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.

Learn more ▾

Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.

Source: web.dev

www.mandarinoriental.com takes 872ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

70% of www.mandarinoriental.com's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

Unattributable takes 276ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

53% of OneTrust's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

53% of Google Tag Manager's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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