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https://mcdonalds.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
69
GRADE
D
FIX
6
REVIEW
2
PASS
7
INFO
2

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

Mobile Desktop
21
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
92
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
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.

2.28 s

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

38.19 s

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

3.98 s

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

0.242

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

10.38 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.

38.37 s

Page Load Progression

386 ms
771 ms
1.2 s
1.5 s
1.9 s
2.3 s
2.7 s
3.1 s
Checks
17
7 PASS 2 REVIEW 6 FIX
F
Page Weight Budget
Action
6.8 MB transferred, 83 requests
FIX
6.8 MB transferred, 83 requests
Critical::
Page weighs 15.6 MB (6.8 MB transferred)
Warning::
Images are 5.2 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 5.2 MB
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::
83 HTTP requests
Info::
Estimated 1.4 g CO2 per page load
6.8 MB / 2.4 MB budget
6.8 MB transferred
83 requests
1.4 g CO2 per page load
Images 5.2 MiB 76%
JavaScript 1.4 MiB 21%
Fonts 52.4 KiB 1%
CSS 48.8 KiB 1%
Other 47.8 KiB 1%
HTML 24.5 KiB 0%
Other 6.0 KiB 0%
Other 5.8 KiB 0%
Other 0 B 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

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 (6.8 MiB of 6.8 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
7672ms total JS execution
FIX
7672ms total JS execution
Warning::
https://cdn.cookielaw.org/consent/b8b69186-ef9f-48...: 1528ms CPU time
Warning::
https://www.mcdonalds.com/HmghGO0K8C1uctsiLJI32GNK...: 1341ms CPU time
Warning::
Unattributable: 1023ms CPU time
Warning::
https://www.mcdonalds.com/nl/nl-nl.html: 975ms CPU time
Warning::
https://www.mcdonalds.com/etc.clientlibs/mcdonalds...: 569ms CPU time
Warning::
Third-party scripts: 7672ms (100% of total)

Main Thread Breakdown

Script Evaluation 52% Script Parsing & Compilation 22% Other 15% Style & Layout 4% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://cdn.cookielaw.org/consent/b8b69186-ef9f-481e-9b4d-1c3abc41222c/OtAutoBlock.js1528ms422ms1032ms3rd
https://www.mcdonalds.com/HmghGO0K8C1uctsiLJI32GNKaWQ/OG1pSwhQXYrtVcEpb9/dnwZFnQB/TXl5BUI/zTlMB1341ms1216ms91ms3rd
Unattributable1023ms253ms0ms3rd
https://www.mcdonalds.com/nl/nl-nl.html975ms45ms8ms3rd
https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global.lc-6a720be6e625ca61e0eee805c8cbf7f5-lc.min.js569ms298ms248ms3rd
https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/launch-a45af4f63d4c.min.js494ms432ms33ms3rd
https://cdn.cookielaw.org/scripttemplates/202505.2.0/otBannerSdk.js466ms322ms78ms3rd
https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-dependencies.lc-112fb9bad784754b2e6750b0c6c3f622-lc.min.js369ms313ms33ms3rd
https://www.mcdonalds.com/akam/13/48df2427231ms209ms8ms3rd
https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlibs-jquery-upgrade.lc-d7b1e75865cff046eb51cb2bcb68f114-lc.min.js217ms160ms47ms3rd

Showing top 10 of 13 scripts

D
JS Bundles
Action
21 scripts, 439 KB unused
FIX
21 scripts, 439 KB unused
Warning::
https://www.mcdonalds.com/etc.clientlibs/mcdonalds...: 246 KB unused (88%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.cookielaw.org/scripttemplates/202505.2...: 63 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://s.go-mpulse.net/boomerang/FYHYC-U4X46-PMZ7...: 38 KB unused (66%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.mcdonalds.com/HmghGO0K8C1uctsiLJI32GNK...: 36 KB unused (21%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://mp-eu1.mcdonalds.com/tags/js/v2/eu1-28281b...: 34 KB unused (55%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 439 KB
439 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global.lc-6a720be6e625ca61e0eee805c8cbf7f5-lc.min.js280 KB246 KB (88%)✓3rd
https://cdn.cookielaw.org/scripttemplates/202505.2.0/otBannerSdk.js119 KB63 KB (53%)✓3rd
https://s.go-mpulse.net/boomerang/FYHYC-U4X46-PMZ7K-XB8KU-R9ZBH58 KB38 KB (66%)✓3rd
https://www.mcdonalds.com/HmghGO0K8C1uctsiLJI32GNKaWQ/OG1pSwhQXYrtVcEpb9/dnwZFnQB/TXl5BUI/zTlMB169 KB36 KB (21%)✓3rd
https://mp-eu1.mcdonalds.com/tags/js/v2/eu1-28281b86495a0d43a4b3cc1a9205178e/mparticle.js62 KB34 KB (55%)✓3rd
https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlibs-jquery-upgrade.lc-d7b1e75865cff046eb51cb2bcb68f114-lc.min.js35 KB23 KB (66%)✓3rd
https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/launch-a45af4f63d4c.min.js38 KB—✓3rd
https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/f6d725354913/RC775d3a1c3fc84b05901af97a21ea6b9e-source.min.js1 KB—✓3rd
https://www.mcdonalds.com/etc.clientlibs/core/wcm/components/commons/site/clientlibs/container.lc-0a6aff292f5cc42142779cde92054524-lc.min.js1 KB—✓3rd
https://rum.hlx.page/.rum/@adobe/helix-rum-js@%5E2/dist/micro.js1 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
83 resources · 6.8 MB · 439 KB savings available
FIX
83 resources · 6.8 MB · 439 KB savings available
Warning::
Page weight 5.8 MB over 1MB target
Got: 6.8 MB Expected: ≤ 1 MB
Info::
~439 KB of savings available
Warning::
82 third-party resources (100% of weight)
Info::
3 resources over 200KB
83 resources · 6.8 MiB · 82 third-party 5.8 MiB over 1MB target
Image 76% · 5.2 MiB
JavaScript 21% · 1.4 MiB
CSS 1% · 53.2 KiB
Font 1% · 52.4 KiB
Other 1% · 50.2 KiB
Document 0% · 25.5 KiB

~439.2 KiB of savings available

Remove unused JavaScript: 439.2 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.

C
Image Optimization
Action
37 images, 0 KB saveable
REVIEW
37 images, 0 KB saveable
Warning::
https://www.mcdonalds.com/content/dam/sites/nl/nfl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.mcdonalds.com/content/dam/sites/nl/nfl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.mcdonalds.com/content/dam/sites/nl/nfl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.mcdonalds.com/content/dam/sites/nl/nfl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.mcdonalds.com/content/dam/sites/nl/nfl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
37 images 5.2 MB
0 oversized -0 KB
8 legacy format
5 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

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
3 fonts (52 KB)
PASS
3 fonts (52 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

52 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s 36.0 s 38.0 s 40.0 s FCP 2.3 s LCP 38.2 shttps://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/icomoon/fonts/icomoon.ttficomoon.ttf https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/icomoon/fonts/icomoon.ttf — 4.6 KiB — 21 ms — font-display: swaphttps://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Regular.woff2Speedee-Regular.woff2 https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Regular.woff2 — 23.9 KiB — 37 ms — font-display: swaphttps://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Bold.woff2Speedee-Bold.woff2 https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Bold.woff2 — 23.9 KiB — 42 ms — font-display: swap
icomoon.ttf ttf swap
Size 5 KB
Load time 21 ms
Start 381 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Speedee-Regular.woff2 woff2 swap
Size 24 KB
Load time 37 ms
Start 382 ms
Risk FOUT — text flashes from fallback to web font
Speedee-Bold.woff2 woff2 swap
Size 24 KB
Load time 42 ms
Start 382 ms
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 ~1 KB and ~2 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
1 hints, 0 missing preconnects
PASS
1 hints, 0 missing preconnects
Info::
Page uses 1 resource hint(s)

Current Resource Hints

preconnect
—
preload
1
dns-prefetch
—
prefetch
—

1 resource hints configured

A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
Network Waterfall
83 requests over 2524ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s 36.0 s 38.0 s 40.0 s FCP 2.3 s LCP 38.2 shttps://mcdonalds.com// https://mcdonalds.com/ — 301 — 276 B — 283 ms — http/1.1https://www.mcdonalds.com/www.mcdonalds.com/ https://www.mcdonalds.com/ — 302 — 1.7 KiB — 28 ms — h2https://www.mcdonalds.com/nl/nl-nl.htmlwww.mcdonalds.com/nl/nl-nl.html https://www.mcdonalds.com/nl/nl-nl.html — 200 — 24.5 KiB — 53 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/icomoon/fonts/icomoon.ttfwww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/icomoon/fonts/icomoon.ttf — 200 — 4.6 KiB — 21 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Regular.woff2www.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Regular.woff2 — 200 — 23.9 KiB — 37 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Bold.woff2www.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global/resources/fonts/Speedee/Speedee-Bold.woff2 — 200 — 23.9 KiB — 42 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-grid.lc-4fb628f2edf7b457c6ec0b16fbabb054-lc.min.csswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-grid.lc-4fb628f2edf7b457c6ec0b16fbabb054-lc.min.css — 200 — 5.2 KiB — 22 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlibs-jquery-upgrade.lc-d41d8cd98f00b204e9800998ecf8427e-lc.min.csswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlibs-jquery-upgrade.lc-d41d8cd98f00b204e9800998ecf8427e-lc.min.css — 200 — 545 B — 33 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/dynamicmedia.lc-a97e0418f0d0d6fe2eea57c7dc5e8804-lc.min.csswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/dynamicmedia.lc-a97e0418f0d0d6fe2eea57c7dc5e8804-lc.min.css — 200 — 665 B — 35 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-dependencies.lc-a49e169f41f57a75ecce8c10a244ff9c-lc.min.csswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-dependencies.lc-a49e169f41f57a75ecce8c10a244ff9c-lc.min.css — 200 — 1.0 KiB — 37 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global.lc-5fca98d4f23346c726db41021a9346d7-lc.min.csswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global.lc-5fca98d4f23346c726db41021a9346d7-lc.min.css — 200 — 41.4 KiB — 42 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Burgers_Menu_s:menu-category?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Burgers_Menu_s:menu-category?resmode=sharp2 — 200 — 5.5 KiB — 63 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Rundvlees:menu-category?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Rundvlees:menu-category?resmode=sharp2 — 200 — 4.0 KiB — 58 ms — h2https://s.go-mpulse.net/boomerang/FYHYC-U4X46-PMZ7K-XB8KU-R9ZBHs.go-mpulse.net/boomerang/FYHYC-U4X... https://s.go-mpulse.net/boomerang/FYHYC-U4X46-PMZ7K-XB8KU-R9ZBH — 200 — 57.9 KiB — 183 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Kip:menu-category?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Kip:menu-category?resmode=sharp2 — 200 — 4.3 KiB — 46 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Vis:menu-category?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/13.05.24_Vis:menu-category?resmode=sharp2 — 200 — 3.0 KiB — 51 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/06.18.25_Meatless:menu-category?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/06.18.25_Meatless:menu-category?resmode=sharp2 — 200 — 4.5 KiB — 52 ms — h2https://www.mcdonalds.com/libs/dam/components/scene7/common/clientlibs/viewer.lc-286d51076949b1908ec34d18f81e6977-lc.min.jswww.mcdonalds.com/libs/dam/componen... https://www.mcdonalds.com/libs/dam/components/scene7/common/clientlibs/viewer.lc-286d51076949b1908ec34d18f81e6977-lc.min.js — 200 — 1.0 KiB — 42 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlibs-jquery-upgrade.lc-d7b1e75865cff046eb51cb2bcb68f114-lc.min.jswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlibs-jquery-upgrade.lc-d7b1e75865cff046eb51cb2bcb68f114-lc.min.js — 200 — 35.0 KiB — 154 ms — h2https://www.mcdonalds.com/etc.clientlibs/clientlibs/granite/utils.lc-e7bf340a353e643d198b25d0c8ccce47-lc.min.jswww.mcdonalds.com/etc.clientlibs/cl... https://www.mcdonalds.com/etc.clientlibs/clientlibs/granite/utils.lc-e7bf340a353e643d198b25d0c8ccce47-lc.min.js — 200 — 3.7 KiB — 77 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/dynamicmedia.lc-f8d2a00a8c38ff026b323d132989169c-lc.min.jswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/dynamicmedia.lc-f8d2a00a8c38ff026b323d132989169c-lc.min.js — 200 — 2.1 KiB — 131 ms — h2https://www.mcdonalds.com/etc.clientlibs/core/wcm/components/commons/site/clientlibs/container.lc-0a6aff292f5cc42142779cde92054524-lc.min.jswww.mcdonalds.com/etc.clientlibs/co... https://www.mcdonalds.com/etc.clientlibs/core/wcm/components/commons/site/clientlibs/container.lc-0a6aff292f5cc42142779cde92054524-lc.min.js — 200 — 1.0 KiB — 133 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-dependencies.lc-112fb9bad784754b2e6750b0c6c3f622-lc.min.jswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-dependencies.lc-112fb9bad784754b2e6750b0c6c3f622-lc.min.js — 200 — 20.3 KiB — 152 ms — h2https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global.lc-6a720be6e625ca61e0eee805c8cbf7f5-lc.min.jswww.mcdonalds.com/etc.clientlibs/mc... https://www.mcdonalds.com/etc.clientlibs/mcdonalds/clientlibs/clientlib-site-global.lc-6a720be6e625ca61e0eee805c8cbf7f5-lc.min.js — 200 — 280.5 KiB — 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data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACGFjVEwAAAABAAAAAcMq2TYAAAANS… — 200 — 0 B — 0 ms — datahttps://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/f6d725354913/RCad0da3339f674abda25319fbcaa10b4b-source.min.jsassets.adobedtm.com/da51ad226ecd/1b... https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/f6d725354913/RCad0da3339f674abda25319fbcaa10b4b-source.min.js — 200 — 816 B — 10 ms — h2https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/f6d725354913/RC01a4cd5c2070497ab56b270c584e3f5e-source.min.jsassets.adobedtm.com/da51ad226ecd/1b... https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/f6d725354913/RC01a4cd5c2070497ab56b270c584e3f5e-source.min.js — 200 — 673 B — 14 ms — h2https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/f6d725354913/RC1cef175324974407a4c5e6d56bbf5cfb-source.min.jsassets.adobedtm.com/da51ad226ecd/1b... https://assets.adobedtm.com/da51ad226ecd/1bcc6d6e5296/f6d725354913/RC1cef175324974407a4c5e6d56bbf5cfb-source.min.js — 200 — 658 B — 9 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/People_Publi-2kol%20d-1:publication-column-mobile?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/People_Publi-2kol%20d-1:publication-column-mobile?resmode=sharp2 — 200 — 28.3 KiB — 21 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/05.14.25_Publication%20RMKF:publication-column-mobile?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/05.14.25_Publication%20RMKF:publication-column-mobile?resmode=sharp2 — 200 — 58.1 KiB — 27 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/McCafe_Coffee_Publication%2050prc:publication-column-mobile?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/McCafe_Coffee_Publication%2050prc:publication-column-mobile?resmode=sharp2 — 200 — 17.5 KiB — 29 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/Publication%20McDelivery_Header:publication-column-mobile?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/Publication%20McDelivery_Header:publication-column-mobile?resmode=sharp2 — 200 — 80.3 KiB — 35 ms — h2https://s7d1.scene7.com/is/image/mcdonalds/240216_Genoten_Publication%2050prc-1:publication-column-mobile?resmode=sharp2s7d1.scene7.com/is/image/mcdonalds/... https://s7d1.scene7.com/is/image/mcdonalds/240216_Genoten_Publication%2050prc-1:publication-column-mobile?resmode=sharp2 — 200 — 41.2 KiB — 34 ms — h2https://cdn.cookielaw.org/scripttemplates/otSDKStub.jscdn.cookielaw.org/scripttemplates/o... https://cdn.cookielaw.org/scripttemplates/otSDKStub.js — 200 — 8.9 KiB — 19 ms — h2https://cdn.cookielaw.org/consent/b8b69186-ef9f-481e-9b4d-1c3abc41222c/b8b69186-ef9f-481e-9b4d-1c3abc41222c.jsoncdn.cookielaw.org/consent/b8b69186-... https://cdn.cookielaw.org/consent/b8b69186-ef9f-481e-9b4d-1c3abc41222c/b8b69186-ef9f-481e-9b4d-1c3abc41222c.json — 200 — 2.3 KiB — 27 ms — h2https://mp-eu1.mcdonalds.com/tags/js/v2/eu1-28281b86495a0d43a4b3cc1a9205178e/mparticle.jsmp-eu1.mcdonalds.com/tags/js/v2/eu1... https://mp-eu1.mcdonalds.com/tags/js/v2/eu1-28281b86495a0d43a4b3cc1a9205178e/mparticle.js — 200 — 62.1 KiB — 9 ms — h2https://geolocation.onetrust.com/cookieconsentpub/v1/geo/locationgeolocation.onetrust.com/cookiecons... https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location — 200 — 309 B — 31 ms — h2https://www.mcdonalds.com/akam/13/pixel_48df2427www.mcdonalds.com/akam/13/pixel_48d... https://www.mcdonalds.com/akam/13/pixel_48df2427 — 200 — 748 B — 13 ms — h2https://mp-eu1.mcdonalds.com/identity/v1/identifymp-eu1.mcdonalds.com/identity/v1/id... https://mp-eu1.mcdonalds.com/identity/v1/identify — 204 — 0 B — 11 ms — h2https://mp-eu1.mcdonalds.com/identity/v1/identifymp-eu1.mcdonalds.com/identity/v1/id... https://mp-eu1.mcdonalds.com/identity/v1/identify — 200 — 370 B — 29 ms — h2https://cdn.cookielaw.org/scripttemplates/202505.2.0/otBannerSdk.jscdn.cookielaw.org/scripttemplates/2... https://cdn.cookielaw.org/scripttemplates/202505.2.0/otBannerSdk.js — 200 — 119.2 KiB — 35 ms — h2https://c.go-mpulse.net/api/config.json?key=FYHYC-U4X46-PMZ7K-XB8KU-R9ZBH&d=www.mcdonalds.com&t=5922682&v=1.632.0&sl=0&si=jhiaemdcymo-tdv3b6&plugins=AK,ConfigOverride,Continuity,PageParams,IFrameDelay,AutoXHR,SPA,Angular,Backbone,Ember,History,RT,CrossDomain,BW,PaintTiming,NavigationTiming,ResourceTiming,Memory,CACHE_RELOAD,Errors,TPAnalytics,UserTiming,Akamai,LOGN&acao=&ak.ai=248813c.go-mpulse.net/api/config.json?key... https://c.go-mpulse.net/api/config.json?key=FYHYC-U4X46-PMZ7K-XB8KU-R9ZBH&d=www.mcdonalds.com&t=5922682&v=1.632.0&sl=0&si=jhiaemdcymo-tdv3b6&plugins=AK,ConfigOverride,Continuity,PageParams,IFrameDelay,AutoXHR,SPA,Angular,Backbone,Ember,History,RT,CrossDomain,BW,PaintTiming,NavigationTiming,ResourceTiming,Memory,CACHE_RELOAD,Errors,TPAnalytics,UserTiming,Akamai,LOGN&acao=&ak.ai=248813 — 200 — 214 B — 192 ms — h2https://www.mcdonalds.com/content/dam/sites/nl/nfl/icons/favicon.pngwww.mcdonalds.com/content/dam/sites... https://www.mcdonalds.com/content/dam/sites/nl/nfl/icons/favicon.png — 200 — 4.0 KiB — 24 ms — h2https://cdn.cookielaw.org/consent/b8b69186-ef9f-481e-9b4d-1c3abc41222c/01966cf7-6032-7ddd-8a52-87e182b04518/en-us.jsoncdn.cookielaw.org/consent/b8b69186-... https://cdn.cookielaw.org/consent/b8b69186-ef9f-481e-9b4d-1c3abc41222c/01966cf7-6032-7ddd-8a52-87e182b04518/en-us.json — 200 — 22.7 KiB — 26 ms — h2https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otFlat.jsoncdn.cookielaw.org/scripttemplates/2... https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otFlat.json — 200 — 3.2 KiB — 17 ms — h2https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otPcCenter.jsoncdn.cookielaw.org/scripttemplates/2... https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otPcCenter.json — 200 — 15.0 KiB — 14 ms — h2https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otCookieSettingsButton.jsoncdn.cookielaw.org/scripttemplates/2... https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otCookieSettingsButton.json — 200 — 2.0 KiB — 20 ms — h2https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otCommonStyles.csscdn.cookielaw.org/scripttemplates/2... https://cdn.cookielaw.org/scripttemplates/202505.2.0/assets/otCommonStyles.css — 200 — 4.5 KiB — 16 ms — h2https://cdn.cookielaw.org/logos/static/ot_close.svgcdn.cookielaw.org/logos/static/ot_c... https://cdn.cookielaw.org/logos/static/ot_close.svg — 200 — 631 B — 20 ms — h2https://cdn.cookielaw.org/logos/static/ot_company_logo.pngcdn.cookielaw.org/logos/static/ot_c... https://cdn.cookielaw.org/logos/static/ot_company_logo.png — 200 — 19.1 KiB — 26 ms — h2https://cdn.cookielaw.org/logos/static/powered_by_logo.svgcdn.cookielaw.org/logos/static/powe... https://cdn.cookielaw.org/logos/static/powered_by_logo.svg — 200 — 2.5 KiB — 29 ms — h2blob:https://www.mcdonalds.com/6c2a62b9-486c-40f8-ad17-e097a9f36426www.mcdonalds.com/6c2a62b9-486c-40f... blob:https://www.mcdonalds.com/6c2a62b9-486c-40f8-ad17-e097a9f36426 — -1 — 0 B — 0 ms — https://www.mcdonalds.com/HmghGO0K8C1uctsiLJI32GNKaWQ/OG1pSwhQXYrtVcEpb9/dnwZFnQB/TXl5BUI/zTlMBwww.mcdonalds.com/HmghGO0K8C1uctsiL... https://www.mcdonalds.com/HmghGO0K8C1uctsiLJI32GNKaWQ/OG1pSwhQXYrtVcEpb9/dnwZFnQB/TXl5BUI/zTlMB — 201 — 1.2 KiB — 191 ms — h2
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 7672ms · 1325KB · €83/mo
OneTrust
Consent
Essential
Execution 1528ms
Transfer 669 KB
Monthly Cost €17/mo
www.mcdonalds.com
Other
Costly
Execution 1341ms
Transfer 1 KB
Unused 21%
Monthly Cost €15/mo
Unattributable
Other
Costly
Execution 1023ms
Transfer 0 KB
Monthly Cost €11/mo
www.mcdonalds.com
Other
Costly
Execution 975ms
Transfer 25 KB
Monthly Cost €11/mo
www.mcdonalds.com
Other
Costly
Execution 569ms
Transfer 280 KB
Unused 88%
Monthly Cost €6/mo
assets.adobedtm.com
Other
Costly
Execution 494ms
Transfer 38 KB
Monthly Cost €5/mo
OneTrust
Consent
Essential
Execution 466ms
Transfer 119 KB
Unused 53%
Monthly Cost €5/mo
www.mcdonalds.com
Other
Costly
Execution 369ms
Transfer 20 KB
Monthly Cost €4/mo
www.mcdonalds.com
Other
Costly
Execution 231ms
Transfer 9 KB
Monthly Cost €3/mo
www.mcdonalds.com
Other
Costly
Execution 217ms
Transfer 35 KB
Unused 66%
Monthly Cost €2/mo
OneTrust
Consent
Essential
Execution 208ms
Transfer 9 KB
Monthly Cost €2/mo
s.go-mpulse.net
Other
Optional
Execution 137ms
Transfer 58 KB
Unused 66%
Monthly Cost €1/mo
mp-eu1.mcdonalds.com
Other
Optional
Execution 112ms
Transfer 62 KB
Unused 55%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.mcdonalds.com adds 1341ms and costs ~€15/month
  • Unattributable adds 1023ms and costs ~€11/month
  • www.mcdonalds.com adds 975ms and costs ~€11/month
  • www.mcdonalds.com adds 569ms and costs ~€6/month
  • assets.adobedtm.com adds 494ms and costs ~€5/month
  • www.mcdonalds.com adds 369ms and costs ~€4/month
  • www.mcdonalds.com adds 231ms and costs ~€3/month
  • www.mcdonalds.com adds 217ms and costs ~€2/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.mcdonalds.com takes 1341ms 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

Unattributable takes 1023ms 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.mcdonalds.com takes 975ms 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.mcdonalds.com takes 569ms 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

88% of www.mcdonalds.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

assets.adobedtm.com takes 494ms 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

www.mcdonalds.com takes 369ms 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.mcdonalds.com takes 231ms 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.mcdonalds.com takes 217ms 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

66% of www.mcdonalds.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

66% of s.go-mpulse.net'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

55% of mp-eu1.mcdonalds.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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