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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
71
GRADE
C
FIX
6
REVIEW
2
PASS
5
INFO
2

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

Mobile Desktop
31
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
86
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
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.

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

2.93 s

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

6.93 s

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

711 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.

3.99 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.

7.12 s

Page Load Progression

835 ms
1.7 s
2.5 s
3.3 s
4.2 s
5.0 s
5.8 s
6.7 s
Checks
15
5 PASS 2 REVIEW 6 FIX
F
Page Weight Budget
Action
8.9 MB transferred, 91 requests
FIX
8.9 MB transferred, 91 requests
Critical::
Page weighs 12.6 MB (8.9 MB transferred)
Warning::
Images are 7.1 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 7.1 MB
Warning::
JavaScript is 737 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 737 KB
Info::
Fonts are 681 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 681 KB
Info::
91 HTTP requests
Info::
Estimated 1.9 g CO2 per page load
8.9 MB / 2.4 MB budget
8.9 MB transferred
91 requests
1.9 g CO2 per page load
Images 7.1 MiB 81%
JavaScript 737.3 KiB 8%
Fonts 681.1 KiB 8%
CSS 146.4 KiB 2%
HTML 112.7 KiB 1%
Other 56.5 KiB 1%
Other 18.8 KiB 0%
Other 8.2 KiB 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

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

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 (8.9 MiB of 8.9 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2690ms total JS execution
FIX
2690ms total JS execution
Warning::
https://www.ey.com/nl_nl: 740ms CPU time
Warning::
https://cdn.cookielaw.org/scripttemplates/202411.1...: 654ms CPU time
Warning::
Unattributable: 383ms CPU time
Warning::
https://www.ey.com/etc.clientlibs/ey-unified-site/...: 378ms CPU time
Info::
https://www.ey.com/etc.clientlibs/clientlibs/grani...: 206ms CPU time
Warning::
Third-party scripts: 2690ms (100% of total)

Main Thread Breakdown

Script Evaluation 57% Other 20% Style & Layout 12% Script Parsing & Compilation 5% Parse HTML & CSS 3%
ScriptTotalScriptingParse/CompileParty
https://www.ey.com/nl_nl740ms277ms3ms3rd
https://cdn.cookielaw.org/scripttemplates/202411.1.0/otBannerSdk.js654ms605ms18ms3rd
Unattributable383ms33ms0ms3rd
https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-components.lc-58c51d2fee72198f943c565bfe20393e-lc.min.js378ms232ms23ms3rd
https://www.ey.com/etc.clientlibs/clientlibs/granite/jquery.lc-7842899024219bcbdb5e72c946870b79-lc.min.js206ms105ms5ms3rd
https://assets.adobedtm.com/476538bf0bae/da9b80fab950/launch-59ae0fcb4393.min.js163ms119ms42ms3rd
https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-default-light.lc-3d29fcb3712b59d4eab11e15df2f15a9-lc.min.js101ms61ms17ms3rd
https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-base.lc-575fc2408067eeaec518b37ac1e6df39-lc.min.js66ms58ms3ms3rd
D
JS Bundles
Action
22 scripts, 337 KB unused
FIX
22 scripts, 337 KB unused
Warning::
https://www.ey.com/etc.clientlibs/ey-unified-site/...: 103 KB unused (82%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.ey.com/etc.clientlibs/ey-unified-site/...: 92 KB unused (73%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://assets.adobedtm.com/476538bf0bae/da9b80fab...: 81 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.cookielaw.org/scripttemplates/202411.1...: 61 KB unused (54%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 337 KB
337 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-default-light.lc-3d29fcb3712b59d4eab11e15df2f15a9-lc.min.js128 KB103 KB (82%)✓3rd
https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-components.lc-58c51d2fee72198f943c565bfe20393e-lc.min.js127 KB92 KB (73%)✓3rd
https://assets.adobedtm.com/476538bf0bae/da9b80fab950/launch-59ae0fcb4393.min.js193 KB81 KB (42%)✓3rd
https://cdn.cookielaw.org/scripttemplates/202411.1.0/otBannerSdk.js112 KB61 KB (54%)✓3rd
https://www.ey.com/etc.clientlibs/foundation/clientlibs/jquery.lc-dd9b395c741ce2784096e26619e14910-lc.min.js1 KB—✓3rd
https://www.ey.com/etc.clientlibs/core/wcm/components/commons/datalayer/acdl/core.wcm.components.commons.datalayer.acdl.lc-bf921af342fd2c40139671dbf0920a1f-lc.min.js12 KB—✓3rd
https://public.flourish.studio/resources/embed.js15 KB—✓3rd
https://www.ey.com/etc.clientlibs/core/wcm/components/commons/site/clientlibs/container.lc-0a6aff292f5cc42142779cde92054524-lc.min.js2 KB—✓3rd
https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-base.lc-575fc2408067eeaec518b37ac1e6df39-lc.min.js24 KB—✓3rd
https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-runtime.lc-5c00b68d530ef2f3c4633d0049f026ca-lc.min.js3 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

D
Page Weight Inventory
Action
91 resources · 8.9 MB · 337 KB savings available
FIX
91 resources · 8.9 MB · 337 KB savings available
Warning::
Page weight 7.9 MB over 1MB target
Got: 8.9 MB Expected: ≤ 1 MB
Info::
~337 KB of savings available
Warning::
90 third-party resources (100% of weight)
Info::
12 resources over 200KB
91 resources · 8.9 MiB · 90 third-party 7.9 MiB over 1MB target
Image 81% · 7.1 MiB
JavaScript 8% · 737.3 KiB
Font 8% · 681.1 KiB
CSS 2% · 150.7 KiB
Document 1% · 114.1 KiB
Other 1% · 70.5 KiB

~337.1 KiB of savings available

Remove unused JavaScript: 337.1 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Image Optimization
37 images, 0 KB saveable
REVIEW
37 images, 0 KB saveable
Info::
All images are well-optimized
37 images 7.1 MB
0 oversized -0 KB
15 legacy format
0 missing dimensions CLS risk
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 (681 KB)
PASS
7 fonts (681 KB)
Info::
7 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

7

681 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 4.0 s 5.0 s 6.0 s 7.0 s FCP 2.9 s LCP 6.9 shttps://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Light.woffEYInterstate-Light.woff https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Light.woff — 98.3 KiB — 29 ms — font-display: swaphttps://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Regular.woffEYInterstate-Regular.woff https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Regular.woff — 102.0 KiB — 33 ms — font-display: swaphttps://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Bold.woffEYInterstate-Bold.woff https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Bold.woff — 95.7 KiB — 67 ms — font-display: swaphttps://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/MaterialIcons-Regular.woff2MaterialIcons-Regular.w... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/MaterialIcons-Regular.woff2 — 109.5 KiB — 76 ms — font-display: swaphttps://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Italic.woffEYInterstate-Italic.woff https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/webpack.bundles/resources/fonts/EYInterstate-Italic.woff — 80.9 KiB — 67 ms — font-display: swaphttps://demos.flourish.studio/client_files/ey/fonts/eyinterstate/EYInterstate-Bold.woffEYInterstate-Bold.woff https://demos.flourish.studio/client_files/ey/fonts/eyinterstate/EYInterstate-Bold.woff — 96.0 KiB — 63 ms — font-display: swaphttps://demos.flourish.studio/client_files/ey/fonts/eyinterstate/EYInterstate-Light.woffEYInterstate-Light.woff https://demos.flourish.studio/client_files/ey/fonts/eyinterstate/EYInterstate-Light.woff — 98.7 KiB — 56 ms — font-display: swap
EYInterstate-Light.woff woff swap
Size 98 KB
Load time 29 ms
Start 694 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
EYInterstate-Regular.woff woff swap
Size 102 KB
Load time 33 ms
Start 695 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
EYInterstate-Bold.woff woff swap
Size 96 KB
Load time 67 ms
Start 844 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
MaterialIcons-Regular.w... woff2 swap
Size 109 KB
Load time 76 ms
Start 844 ms
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
EYInterstate-Italic.woff woff swap
Size 81 KB
Load time 67 ms
Start 845 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
EYInterstate-Bold.woff woff swap
Size 96 KB
Load time 63 ms
Start 1.8 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
EYInterstate-Light.woff woff swap
Size 99 KB
Load time 56 ms
Start 1.8 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
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 ~277 KB and ~554 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
91 requests over 6217ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s FCP 2.9 s LCP 6.9 shttps://ey.com// https://ey.com/ — 301 — 99 B — 277 ms — h2https://www.ey.com/www.ey.com/ https://www.ey.com/ — 302 — 1.4 KiB — 164 ms — h2https://www.ey.com/nl_nlwww.ey.com/nl_nl https://www.ey.com/nl_nl — 200 — 45.5 KiB — 37 ms — h2https://www.ey.com/.rum/@adobe/helix-rum-js@%5E2/dist/micro.jswww.ey.com/.rum/@adobe/helix-rum-js... https://www.ey.com/.rum/@adobe/helix-rum-js@%5E2/dist/micro.js — 200 — 1.2 KiB — 66 ms — h2https://cdn.cookielaw.org/scripttemplates/otSDKStub.jscdn.cookielaw.org/scripttemplates/o... https://cdn.cookielaw.org/scripttemplates/otSDKStub.js — 200 — 9.1 KiB — 41 ms — h2https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-base.lc-31c34409d00a7697f1017e90acc564f8-lc.min.csswww.ey.com/etc.clientlibs/ey-unifie... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-base.lc-31c34409d00a7697f1017e90acc564f8-lc.min.css — 200 — 12.2 KiB — 36 ms — h2https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-components.lc-c45c5e88c70bd8abe409f51e4135e584-lc.min.csswww.ey.com/etc.clientlibs/ey-unifie... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-components.lc-c45c5e88c70bd8abe409f51e4135e584-lc.min.css — 200 — 60.6 KiB — 68 ms — h2https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-default-light.lc-ff499d2ff56549b287a9735c3d94837f-lc.min.csswww.ey.com/etc.clientlibs/ey-unifie... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-default-light.lc-ff499d2ff56549b287a9735c3d94837f-lc.min.css — 200 — 70.1 KiB — 75 ms — h2https://www.ey.com/etc.clientlibs/clientlibs/granite/jquery.lc-7842899024219bcbdb5e72c946870b79-lc.min.jswww.ey.com/etc.clientlibs/clientlib... https://www.ey.com/etc.clientlibs/clientlibs/granite/jquery.lc-7842899024219bcbdb5e72c946870b79-lc.min.js — 200 — 36.4 KiB — 73 ms — h2https://www.ey.com/etc.clientlibs/clientlibs/granite/utils.lc-e7bf340a353e643d198b25d0c8ccce47-lc.min.jswww.ey.com/etc.clientlibs/clientlib... https://www.ey.com/etc.clientlibs/clientlibs/granite/utils.lc-e7bf340a353e643d198b25d0c8ccce47-lc.min.js — 200 — 4.7 KiB — 62 ms — h2https://www.ey.com/etc.clientlibs/clientlibs/granite/jquery/granite.lc-543d214c88dfa6f4a3233b630c82d875-lc.min.jswww.ey.com/etc.clientlibs/clientlib... https://www.ey.com/etc.clientlibs/clientlibs/granite/jquery/granite.lc-543d214c88dfa6f4a3233b630c82d875-lc.min.js — 200 — 3.0 KiB — 62 ms — h2https://www.ey.com/etc.clientlibs/foundation/clientlibs/jquery.lc-dd9b395c741ce2784096e26619e14910-lc.min.jswww.ey.com/etc.clientlibs/foundatio... https://www.ey.com/etc.clientlibs/foundation/clientlibs/jquery.lc-dd9b395c741ce2784096e26619e14910-lc.min.js — 200 — 1.4 KiB — 62 ms — h2https://public.flourish.studio/resources/embed.jspublic.flourish.studio/resources/em... https://public.flourish.studio/resources/embed.js — 200 — 15.3 KiB — 31 ms — h2https://cdn.cookielaw.org/consent/2b8fbcf2-c8f8-48b8-bf66-aa2750188925/2b8fbcf2-c8f8-48b8-bf66-aa2750188925.jsoncdn.cookielaw.org/consent/2b8fbcf2-... https://cdn.cookielaw.org/consent/2b8fbcf2-c8f8-48b8-bf66-aa2750188925/2b8fbcf2-c8f8-48b8-bf66-aa2750188925.json — 200 — 2.6 KiB — 42 ms — h2https://www.ey.com/etc.clientlibs/core/wcm/components/commons/site/clientlibs/container.lc-0a6aff292f5cc42142779cde92054524-lc.min.jswww.ey.com/etc.clientlibs/core/wcm/... https://www.ey.com/etc.clientlibs/core/wcm/components/commons/site/clientlibs/container.lc-0a6aff292f5cc42142779cde92054524-lc.min.js — 200 — 1.8 KiB — 12 ms — h2https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-base.lc-575fc2408067eeaec518b37ac1e6df39-lc.min.jswww.ey.com/etc.clientlibs/ey-unifie... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-base.lc-575fc2408067eeaec518b37ac1e6df39-lc.min.js — 200 — 24.4 KiB — 13 ms — h2https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-runtime.lc-5c00b68d530ef2f3c4633d0049f026ca-lc.min.jswww.ey.com/etc.clientlibs/ey-unifie... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-runtime.lc-5c00b68d530ef2f3c4633d0049f026ca-lc.min.js — 200 — 3.4 KiB — 13 ms — h2https://geolocation.onetrust.com/cookieconsentpub/v1/geo/locationgeolocation.onetrust.com/cookiecons... https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location — 200 — 309 B — 72 ms — h2https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-components.lc-58c51d2fee72198f943c565bfe20393e-lc.min.jswww.ey.com/etc.clientlibs/ey-unifie... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-components.lc-58c51d2fee72198f943c565bfe20393e-lc.min.js — 200 — 127.3 KiB — 27 ms — h2https://www.ey.com/libs/granite/csrf/token.jsonwww.ey.com/libs/granite/csrf/token.... https://www.ey.com/libs/granite/csrf/token.json — 200 — 1.3 KiB — 134 ms — h2https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-default-light.lc-3d29fcb3712b59d4eab11e15df2f15a9-lc.min.jswww.ey.com/etc.clientlibs/ey-unifie... https://www.ey.com/etc.clientlibs/ey-unified-site/clientlibs/clientlib-webpack-default-light.lc-3d29fcb3712b59d4eab11e15df2f15a9-lc.min.js — 200 — 127.7 KiB — 41 ms — h2https://www.ey.com/etc.clientlibs/core/wcm/components/commons/datalayer/v2/clientlibs/core.wcm.components.commons.datalayer.v2.lc-1e0136bad0acfb78be509234578e44f9-lc.min.jswww.ey.com/etc.clientlibs/core/wcm/... https://www.ey.com/etc.clientlibs/core/wcm/components/commons/datalayer/v2/clientlibs/core.wcm.components.commons.datalayer.v2.lc-1e0136bad0acfb78be509234578e44f9-lc.min.js — 200 — 2.3 KiB — 29 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 2690ms · 666KB · €43/mo
www.ey.com
Other
Costly
Execution 740ms
Transfer 46 KB
Monthly Cost €12/mo
OneTrust
Consent
Essential
Execution 654ms
Transfer 112 KB
Unused 54%
Monthly Cost €10/mo
Unattributable
Other
Costly
Execution 383ms
Transfer 0 KB
Monthly Cost €6/mo
www.ey.com
Other
Costly
Execution 378ms
Transfer 127 KB
Unused 73%
Monthly Cost €6/mo
www.ey.com
Other
Costly
Execution 206ms
Transfer 36 KB
Monthly Cost €3/mo
assets.adobedtm.com
Other
Optional
Execution 163ms
Transfer 193 KB
Unused 42%
Monthly Cost €3/mo
www.ey.com
Other
Optional
Execution 101ms
Transfer 128 KB
Unused 82%
Monthly Cost €2/mo
www.ey.com
Other
Optional
Execution 66ms
Transfer 24 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.ey.com adds 740ms and costs ~€12/month
  • Unattributable adds 383ms and costs ~€6/month
  • www.ey.com adds 378ms and costs ~€6/month
  • www.ey.com adds 206ms and costs ~€3/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.ey.com takes 740ms 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

54% 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

Unattributable takes 383ms 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

www.ey.com takes 378ms 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

73% of www.ey.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

www.ey.com takes 206ms 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

82% of www.ey.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

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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