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https://europe1.fr

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
83
GRADE
B
FIX
2
REVIEW
5
PASS
6
INFO
2

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

Mobile Desktop
96
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
83
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.
100
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.

892 ms

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

1.21 s

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

8 ms

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

0.000

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

1.10 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.

1.66 s

Page Load Progression

446 ms
893 ms
1.3 s
1.8 s
2.2 s
2.7 s
3.1 s
3.6 s
Checks
15
6 PASS 5 REVIEW 2 FIX
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 (915.6 KiB of 916.2 KiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
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
25 images, 0 KB saveable
REVIEW
25 images, 0 KB saveable
Warning::
is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
25 images 187 KB
0 oversized -0 KB
23 legacy format
1 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

B
JS Execution Cost
718ms total JS execution
REVIEW
718ms total JS execution
Info::
https://www.europe1.fr/: 195ms CPU time
Info::
Unattributable: 158ms CPU time
Info::
https://www.europe1.fr/var/europe1/storage/js/js_I...: 95ms CPU time
Info::
https://www.europe1.fr/var/europe1/storage/js/js_g...: 83ms CPU time
Info::
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a8...: 66ms CPU time
Warning::
Third-party scripts: 718ms (100% of total)

Main Thread Breakdown

Script Evaluation 47% Other 23% Style & Layout 16% Rendering 6% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://www.europe1.fr/195ms21ms1ms3rd
Unattributable158ms48ms0ms3rd
https://www.europe1.fr/var/europe1/storage/js/js_I6JO81i9yl2f6WyDmdN6C0T06N76FyHiLNmdNa5xPGE.js?scope=footer&delta=0&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ95ms26ms3ms3rd
https://www.europe1.fr/var/europe1/storage/js/js_galG0GPpPGW0KHW0KsIlJ_lyOMj9nD7KNe9xK6_9q90.js?scope=footer&delta=2&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ83ms65ms1ms3rd
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/sdk.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js66ms51ms8ms3rd
https://www.europe1.fr/cdn-cgi/challenge-platform/scripts/jsd/main.js61ms58ms1ms3rd
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/ui-web-fr-web.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js60ms43ms7ms3rd
C
JS Bundles
Action
23 scripts, 224 KB unused
REVIEW
23 scripts, 224 KB unused
Warning::
https://cdn.jsdelivr.net/npm/hls.js@1: 128 KB unused (80%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a8...: 43 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://sdk.mrf.io/statics/marfeel-sdk.js?id=9466: 30 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://sdk.mrf.io/statics/0639f9e9af1a7496d5c3.js: 22 KB unused (93%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 224 KB
224 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cdn.jsdelivr.net/npm/hls.js@1160 KB128 KB (80%)✓3rd
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/sdk.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js101 KB43 KB (43%)✓3rd
https://sdk.mrf.io/statics/marfeel-sdk.js?id=946659 KB30 KB (52%)✓3rd
https://sdk.mrf.io/statics/0639f9e9af1a7496d5c3.js24 KB22 KB (93%)✓3rd
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_salesforce-dmp_salesforce-dmp_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js1 KB—✓3rd
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_gcm_gcm_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js1 KB—✓3rd
https://sdk.privacy-center.org/cd329535-e123-4e60-a230-d96d3a88df96/loader.js?target_type=notice&target=jzgJM9wY39 KB—✓3rd
https://www.europe1.fr/var/europe1/storage/js/js_I6JO81i9yl2f6WyDmdN6C0T06N76FyHiLNmdNa5xPGE.js?scope=footer&delta=0&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ37 KB—✓3rd
https://cdn.jsdelivr.net/npm/slick-carousel@1.8.1/slick/slick.min.js11 KB—✓3rd
https://www.europe1.fr/themes/europe1/js/piano/piano.min.js26 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

B
Page Weight Inventory
66 resources · 916 KB · 224 KB savings available
REVIEW
66 resources · 916 KB · 224 KB savings available
Info::
Within 1MB page-weight target
Got: 916 KB
Info::
~224 KB of savings available
Warning::
65 third-party resources (100% of weight)
66 resources · 916.2 KiB · 65 third-party Within 1MB page-weight target
JavaScript 66% · 601.4 KiB
Image 21% · 189.3 KiB
Font 6% · 55.9 KiB
CSS 4% · 32.9 KiB
Document 4% · 32.2 KiB
Other 0% · 4.5 KiB

~223.7 KiB of savings available

Remove unused JavaScript: 223.7 KiB
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A
Page Weight Budget
916 KB transferred, 66 requests
PASS
916 KB transferred, 66 requests
Info::
Page weighs 2.7 MB (916 KB transferred)
Warning::
JavaScript is 601 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 601 KB
Info::
66 HTTP requests
Info::
Estimated 0.19 g CO2 per page load
916 KB / 2.4 MB budget
916 KB transferred
66 requests
0.19 g CO2 per page load
JavaScript 601.4 KiB 66%
Images 186.9 KiB 20%
Fonts 55.9 KiB 6%
CSS 32.9 KiB 4%
HTML 29.4 KiB 3%
Other 4.7 KiB 1%
Other 4.7 KiB 1%
Other 328 B 0%
0 2.4 MB 4.9 MB
Under 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

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
2 fonts (56 KB)
PASS
2 fonts (56 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

56 KB total

Render-blocking

0

of 2

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s FCP 892 ms LCP 1.2 shttps://www.europe1.fr/themes/europe1/fonts/Fira-sans.woff2Fira-sans.woff2 https://www.europe1.fr/themes/europe1/fonts/Fira-sans.woff2 — 21.8 KiB — 60 ms — font-display: swaphttps://www.europe1.fr/themes/europe1/fonts/roboto-flex-latin-400-700.woff2roboto-flex-latin-400-7... https://www.europe1.fr/themes/europe1/fonts/roboto-flex-latin-400-700.woff2 — 34.1 KiB — 67 ms — font-display: swap
Fira-sans.woff2 woff2 swap
Size 22 KB
Load time 60 ms
Start 118 ms
Risk FOUT — text flashes from fallback to web font
roboto-flex-latin-400-7... woff2 swap
Size 34 KB
Load time 67 ms
Start 119 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)
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
66 requests over 2221ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 892 ms LCP 1.2 shttps://europe1.fr// https://europe1.fr/ — 301 — 570 B — 54 ms — h2https://www.europe1.fr/www.europe1.fr/ https://www.europe1.fr/ — 200 — 28.5 KiB — 86 ms — h3https://static.europe1.fr/var/europe1/storage/styles/image_1000_562/public/media/image/2026/04/15/13/091_i1775634282028_1_69d6018eb25a7_69d88aaed26a4_69df7d090629a.jpg?itok=SRgEQ2hrstatic.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_1000_562/public/media/image/2026/04/15/13/091_i1775634282028_1_69d6018eb25a7_69d88aaed26a4_69df7d090629a.jpg?itok=SRgEQ2hr — 200 — 75.2 KiB — 108 ms — h3https://www.europe1.fr/var/europe1/storage/css/css_-R3TTR3XUQfXXROTPFXGxKKjsxQPJmiB9fySMfdsJ5A.css?delta=0&language=fr&theme=europe1&include=eJw1yEEKxDAIAMAPpQ37IjFRgtRU0ZQlv1_20Nsw_eZvgjJJcF81l_RrQyCJgStujsJPmPOnDrWGevTMt6CFIXXMBSOEquNg8LAROCdncVOtFI-jnn8fKveVJXcunrVh8g-F-DHDwww.europe1.fr/var/europe1/storage/... https://www.europe1.fr/var/europe1/storage/css/css_-R3TTR3XUQfXXROTPFXGxKKjsxQPJmiB9fySMfdsJ5A.css?delta=0&language=fr&theme=europe1&include=eJw1yEEKxDAIAMAPpQ37IjFRgtRU0ZQlv1_20Nsw_eZvgjJJcF81l_RrQyCJgStujsJPmPOnDrWGevTMt6CFIXXMBSOEquNg8LAROCdncVOtFI-jnn8fKveVJXcunrVh8g-F-DHD — 200 — 3.0 KiB — 31 ms — h3https://www.europe1.fr/var/europe1/storage/css/css__-rRE36-9qSz-S4zGPG6nJ1bv17XJNeeLBYUjmyxJK4.css?delta=1&language=fr&theme=europe1&include=eJw1yEEKxDAIAMAPpQ37IjFRgtRU0ZQlv1_20Nsw_eZvgjJJcF81l_RrQyCJgStujsJPmPOnDrWGevTMt6CFIXXMBSOEquNg8LAROCdncVOtFI-jnn8fKveVJXcunrVh8g-F-DHDwww.europe1.fr/var/europe1/storage/... https://www.europe1.fr/var/europe1/storage/css/css__-rRE36-9qSz-S4zGPG6nJ1bv17XJNeeLBYUjmyxJK4.css?delta=1&language=fr&theme=europe1&include=eJw1yEEKxDAIAMAPpQ37IjFRgtRU0ZQlv1_20Nsw_eZvgjJJcF81l_RrQyCJgStujsJPmPOnDrWGevTMt6CFIXXMBSOEquNg8LAROCdncVOtFI-jnn8fKveVJXcunrVh8g-F-DHD — 200 — 1.9 KiB — 26 ms — h3https://www.europe1.fr/var/europe1/storage/css/css_LyySZmgS9-nJJ1MyESA1wydt14feHZ4wXYwiYgVOwQU.css?delta=2&language=fr&theme=europe1&include=eJw1yEEKxDAIAMAPpQ37IjFRgtRU0ZQlv1_20Nsw_eZvgjJJcF81l_RrQyCJgStujsJPmPOnDrWGevTMt6CFIXXMBSOEquNg8LAROCdncVOtFI-jnn8fKveVJXcunrVh8g-F-DHDwww.europe1.fr/var/europe1/storage/... https://www.europe1.fr/var/europe1/storage/css/css_LyySZmgS9-nJJ1MyESA1wydt14feHZ4wXYwiYgVOwQU.css?delta=2&language=fr&theme=europe1&include=eJw1yEEKxDAIAMAPpQ37IjFRgtRU0ZQlv1_20Nsw_eZvgjJJcF81l_RrQyCJgStujsJPmPOnDrWGevTMt6CFIXXMBSOEquNg8LAROCdncVOtFI-jnn8fKveVJXcunrVh8g-F-DHD — 200 — 27.0 KiB — 65 ms — h3https://www.europe1.fr/themes/europe1/fonts/Fira-sans.woff2www.europe1.fr/themes/europe1/fonts... https://www.europe1.fr/themes/europe1/fonts/Fira-sans.woff2 — 200 — 21.8 KiB — 60 ms — h3https://www.europe1.fr/themes/europe1/fonts/roboto-flex-latin-400-700.woff2www.europe1.fr/themes/europe1/fonts... https://www.europe1.fr/themes/europe1/fonts/roboto-flex-latin-400-700.woff2 — 200 — 34.1 KiB — 67 ms — h3https://www.europe1.fr/themes/europe1/js/swup/swup.min.jswww.europe1.fr/themes/europe1/js/sw... https://www.europe1.fr/themes/europe1/js/swup/swup.min.js — 200 — 9.0 KiB — 51 ms — h3https://www.europe1.fr/themes/europe1/js/swup/swup-head-plugin.min.jswww.europe1.fr/themes/europe1/js/sw... https://www.europe1.fr/themes/europe1/js/swup/swup-head-plugin.min.js — 200 — 2.5 KiB — 46 ms — h3https://www.europe1.fr/themes/europe1/js/swup/swup-class-plugin.min.jswww.europe1.fr/themes/europe1/js/sw... https://www.europe1.fr/themes/europe1/js/swup/swup-class-plugin.min.js — 200 — 1.9 KiB — 41 ms — h3https://www.europe1.fr/var/europe1/storage/js/js_I6JO81i9yl2f6WyDmdN6C0T06N76FyHiLNmdNa5xPGE.js?scope=footer&delta=0&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQwww.europe1.fr/var/europe1/storage/... https://www.europe1.fr/var/europe1/storage/js/js_I6JO81i9yl2f6WyDmdN6C0T06N76FyHiLNmdNa5xPGE.js?scope=footer&delta=0&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ — 200 — 36.9 KiB — 52 ms — h3https://www.europe1.fr/var/europe1/storage/js/js_I1iFU7nnzM-nKnQAyINTVQkR77CLvOTLBbGfz9VNjn4.js?scope=footer&delta=1&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQwww.europe1.fr/var/europe1/storage/... https://www.europe1.fr/var/europe1/storage/js/js_I1iFU7nnzM-nKnQAyINTVQkR77CLvOTLBbGfz9VNjn4.js?scope=footer&delta=1&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ — 301 — 745 B — 31 ms — h3https://www.europe1.fr/var/europe1/storage/js/js_s4LlrEUtoc54tiKYciJYBob_6bXpnemqOIg2SkD2l0k.js?scope=footer&delta=1&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQwww.europe1.fr/var/europe1/storage/... https://www.europe1.fr/var/europe1/storage/js/js_s4LlrEUtoc54tiKYciJYBob_6bXpnemqOIg2SkD2l0k.js?scope=footer&delta=1&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ — 200 — 19.2 KiB — 29 ms — 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h3https://static.europe1.fr/var/europe1/storage/styles/image_324_182/public/media/image/2025/08/13/15/europe1_cafe.jpg?itok=iPxIzQpCstatic.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_324_182/public/media/image/2025/08/13/15/europe1_cafe.jpg?itok=iPxIzQpC — 200 — 18.4 KiB — 34 ms — h3https://static.europe1.fr/var/europe1/storage/styles/image_324_182/public/media/image/2025/02/18/17/moulinex.jpg?itok=52vloKXKstatic.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_324_182/public/media/image/2025/02/18/17/moulinex.jpg?itok=52vloKXK — 200 — 11.0 KiB — 34 ms — h3https://www.europe1.fr/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?www.europe1.fr/cdn-cgi/challenge-pl... https://www.europe1.fr/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js? — 200 — 12.9 KiB — 29 ms — h3https://logs1203.xiti.com/event?s=517037&idclient=mo0o204kxwbjfz3ylogs1203.xiti.com/event?s=517037&id... https://logs1203.xiti.com/event?s=517037&idclient=mo0o204kxwbjfz3y — 204 — 328 B — 75 ms — h2https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/media/image/2026/04/15/19/000_a7vw8wt_1_69dfcb9ac9c9e.jpg?itok=JdsUrrN6static.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/media/image/2026/04/15/19/000_a7vw8wt_1_69dfcb9ac9c9e.jpg?itok=JdsUrrN6 — 200 — 7.6 KiB — 25 ms — h3https://www.europe1.fr/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.9996663283505381:1776291067:OZR5cKULHbqnp_GcQBWslm3E7wzNwll5ekG3U6q6xBw/9ecea3a5a97437e5www.europe1.fr/cdn-cgi/challenge-pl... https://www.europe1.fr/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.9996663283505381:1776291067:OZR5cKULHbqnp_GcQBWslm3E7wzNwll5ekG3U6q6xBw/9ecea3a5a97437e5 — 200 — 1.0 KiB — 23 ms — h3https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_google_google_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.jssdk.privacy-center.org/sdk/d4911c3d... https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_google_google_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js — 200 — 1.2 KiB — 23 ms — h3https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_salesforce-dmp_salesforce-dmp_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.jssdk.privacy-center.org/sdk/d4911c3d... https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_salesforce-dmp_salesforce-dmp_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js — 200 — 1.1 KiB — 25 ms — h3https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_gcm_gcm_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.jssdk.privacy-center.org/sdk/d4911c3d... https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_gcm_gcm_js.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js — 200 — 1.3 KiB — 26 ms — h3https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/ui-web-fr-web.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.jssdk.privacy-center.org/sdk/d4911c3d... https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/ui-web-fr-web.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js — 200 — 54.5 KiB — 32 ms — h3https://cdn.jsdelivr.net/npm/hls.js@1cdn.jsdelivr.net/npm/hls.js@1 https://cdn.jsdelivr.net/npm/hls.js@1 — 200 — 159.6 KiB — 12 ms — h2https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/media/image/2026/04/15/20/000_a7x46z2_1_69dfdabc59b82.jpg?itok=3hcvIp2_static.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/media/image/2026/04/15/20/000_a7x46z2_1_69dfdabc59b82.jpg?itok=3hcvIp2_ — 200 — 9.9 KiB — 28 ms — h3https://sdk.mrf.io/statics/compass-multimedia-sdk.js?version=2258sdk.mrf.io/statics/compass-multimed... https://sdk.mrf.io/statics/compass-multimedia-sdk.js?version=2258 — 200 — 4.3 KiB — 24 ms — h3https://marfeelexperimentsexperienceengine.mrf.io/experimentsexperience/render?id=AC_kCtW_OuST0injv0j-iNsJw&experimentType=HeadlineAB&version=esnextmarfeelexperimentsexperienceengine.... https://marfeelexperimentsexperienceengine.mrf.io/experimentsexperience/render?id=AC_kCtW_OuST0injv0j-iNsJw&experimentType=HeadlineAB&version=esnext — 200 — 2.5 KiB — 72 ms — h2https://synchrobox.adswizz.com/register2.phpsynchrobox.adswizz.com/register2.ph... https://synchrobox.adswizz.com/register2.php — 200 — 1.0 KiB — 168 ms — http/1.1https://cdn.adswizz.com/adswizz/js/SynchroClient2.jscdn.adswizz.com/adswizz/js/SynchroC... https://cdn.adswizz.com/adswizz/js/SynchroClient2.js — 200 — 9.2 KiB — 45 ms — h3https://europe1.lmn.fm/generateSDKSessionIdeurope1.lmn.fm/generateSDKSessionId https://europe1.lmn.fm/generateSDKSessionId — 200 — 612 B — 105 ms — http/1.1https://sdk.mrf.io/statics/0639f9e9af1a7496d5c3.jssdk.mrf.io/statics/0639f9e9af1a7496... https://sdk.mrf.io/statics/0639f9e9af1a7496d5c3.js — 200 — 24.0 KiB — 24 ms — h3https://www.europe1.fr/service/broadcast/currentwww.europe1.fr/service/broadcast/cu... https://www.europe1.fr/service/broadcast/current — 200 — 778 B — 27 ms — h3https://europe1.lmn.fm/europe1-live/playlist.m3u8?aw_0_req.userConsentV2=CQitFIAQitFIAAHABBENCaFgAAAAAELgAAAAAAAQEgFgA1AGAAO4AjgBnwD7AI9ATEApoBywEBABQkAGAAIMWjoAMAAQYtIQAYAAgxaSgAwABBi0pABgACDFoAAA.ILAFB5G_faSFj6TJ1YKtkeYxf11ho4sAxBgYJAyABhBOAIIwF0mAxNATAIiACGAAAKFBBIQAtCADEAACAIIgBITDEIECAABAAIiBEAAMRQgAACBRJmQAAGAAYgEDUAlQAmAoEQBrMQNwgAIAAASARBIAhABCRAQcIACEgYAAAAQAAwkgAEAAAAAAAAAAAABAIEAAAAAECAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAA.YAAACFwAAAAA&origin=web&listenerid=1776294790863_0.17964008135890175&awparams=companionAds%3Atrue&aw_0_1st.version=1.3.4%3Ahtml5&aw_0_1st.playerid=LagardereWebE1&aw_0_1st.skey=1776294791&dvr_playback_session_id=69d3791132659764_828021_DjymRS5d_MTAuMTkuMjEuMTY1OjgwMDA!_0000000mB7feurope1.lmn.fm/europe1-live/playlis... https://europe1.lmn.fm/europe1-live/playlist.m3u8?aw_0_req.userConsentV2=CQitFIAQitFIAAHABBENCaFgAAAAAELgAAAAAAAQEgFgA1AGAAO4AjgBnwD7AI9ATEApoBywEBABQkAGAAIMWjoAMAAQYtIQAYAAgxaSgAwABBi0pABgACDFoAAA.ILAFB5G_faSFj6TJ1YKtkeYxf11ho4sAxBgYJAyABhBOAIIwF0mAxNATAIiACGAAAKFBBIQAtCADEAACAIIgBITDEIECAABAAIiBEAAMRQgAACBRJmQAAGAAYgEDUAlQAmAoEQBrMQNwgAIAAASARBIAhABCRAQcIACEgYAAAAQAAwkgAEAAAAAAAAAAAABAIEAAAAAECAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAA.YAAACFwAAAAA&origin=web&listenerid=1776294790863_0.17964008135890175&awparams=companionAds%3Atrue&aw_0_1st.version=1.3.4%3Ahtml5&aw_0_1st.playerid=LagardereWebE1&aw_0_1st.skey=1776294791&dvr_playback_session_id=69d3791132659764_828021_DjymRS5d_MTAuMTkuMjEuMTY1OjgwMDA!_0000000mB7f — 200 — 1.6 KiB — 314 ms — http/1.1https://static.europe1.fr/var/europe1/storage/styles/image_1000_562/public/media/image/2024/12/04/15/programmes-de-la-nuit.jpg?itok=X-CqbX-Vstatic.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_1000_562/public/media/image/2024/12/04/15/programmes-de-la-nuit.jpg?itok=X-CqbX-V — 200 — 13.1 KiB — 27 ms — h3https://synchroscript.deliveryengine.adswizz.com/www/delivery/afr.php?zoneid=9&aw_0_req.gdpr=falsesynchroscript.deliveryengine.adswiz... https://synchroscript.deliveryengine.adswizz.com/www/delivery/afr.php?zoneid=9&aw_0_req.gdpr=false — 200 — 901 B — 81 ms — h2https://delivery-cdn-cf.adswizz.com/adswizz/js/swfobject-2.2.min.jsdelivery-cdn-cf.adswizz.com/adswizz... https://delivery-cdn-cf.adswizz.com/adswizz/js/swfobject-2.2.min.js — 200 — 9.3 KiB — 42 ms — h3https://www.europe1.fr/themes/europe1/favicon.icowww.europe1.fr/themes/europe1/favic... https://www.europe1.fr/themes/europe1/favicon.ico — 200 — 2.4 KiB — 27 ms — h3https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/2026_redaction/Police/carla_bernhardt_afp_696a5f1f74a6a.jpg?itok=deD2FoGsstatic.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/2026_redaction/Police/carla_bernhardt_afp_696a5f1f74a6a.jpg?itok=deD2FoGs — 200 — 10.8 KiB — 27 ms — h3https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/2026_redaction/Justice/loic_venance_afp_69725cae7128a.jpg?h=59ccc8b8&itok=aMRl60Wbstatic.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_325_183/public/2026_redaction/Justice/loic_venance_afp_69725cae7128a.jpg?h=59ccc8b8&itok=aMRl60Wb — 200 — 9.5 KiB — 28 ms — h3
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 718ms · 222KB · €8/mo
www.europe1.fr
Other
Optional
Execution 195ms
Transfer 29 KB
Monthly Cost €2/mo
Unattributable
Other
Optional
Execution 158ms
Transfer 0 KB
Monthly Cost €2/mo
www.europe1.fr
Other
Optional
Execution 95ms
Transfer 37 KB
Monthly Cost €1/mo
www.europe1.fr
Other
Optional
Execution 83ms
Transfer 1 KB
Monthly Cost €1/mo
sdk.privacy-center.org
Other
Optional
Execution 66ms
Transfer 101 KB
Unused 43%
Monthly Cost €1/mo
www.europe1.fr
Other
Optional
Execution 61ms
Transfer 0 KB
Monthly Cost €1/mo
sdk.privacy-center.org
Other
Optional
Execution 60ms
Transfer 54 KB
Monthly Cost €1/mo

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

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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