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https://europe1.fr

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
83
GRADE
B
FIX
3
REVIEW
4
PASS
8
INFO
2

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

Mobile Desktop
59
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
89
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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

2.07 s

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

8.36 s

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

543 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.

3.37 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.

8.67 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
17
8 PASS 4 REVIEW 3 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 (962.8 KiB of 963.4 KiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
3199ms total JS execution
FIX
3199ms total JS execution
Warning::
Unattributable: 671ms CPU time
Warning::
https://www.europe1.fr/var/europe1/storage/js/js_I...: 555ms CPU time
Warning::
https://www.europe1.fr/: 551ms CPU time
Warning::
https://www.europe1.fr/var/europe1/storage/js/js_g...: 385ms CPU time
Warning::
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a8...: 263ms CPU time
Warning::
Third-party scripts: 3199ms (100% of total)

Main Thread Breakdown

Script Evaluation 50% Other 22% Style & Layout 16% Script Parsing & Compilation 5% Rendering 3%
ScriptTotalScriptingParse/CompileParty
Unattributable671ms184ms0ms3rd
https://www.europe1.fr/var/europe1/storage/js/js_I6JO81i9yl2f6WyDmdN6C0T06N76FyHiLNmdNa5xPGE.js?scope=footer&delta=0&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ555ms148ms9ms3rd
https://www.europe1.fr/551ms103ms10ms3rd
https://www.europe1.fr/var/europe1/storage/js/js_galG0GPpPGW0KHW0KsIlJ_lyOMj9nD7KNe9xK6_9q90.js?scope=footer&delta=2&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ385ms322ms0ms3rd
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/sdk.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js263ms218ms29ms3rd
https://sdk.privacy-center.org/sdk/d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3/modern/ui-web-fr-web.d4911c3d5b4b9a80b40e05167f53d1b1e8da81f3.js256ms185ms25ms3rd
https://www.europe1.fr/cdn-cgi/challenge-platform/scripts/jsd/main.js222ms210ms2ms3rd
https://cdn.jsdelivr.net/npm/hls.js@1125ms60ms53ms3rd
https://www.europe1.fr/var/europe1/storage/js/js_I1iFU7nnzM-nKnQAyINTVQkR77CLvOTLBbGfz9VNjn4.js?scope=footer&delta=1&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ113ms100ms10ms3rd
https://www.europe1.fr/themes/europe1/js/piano/piano.min.js58ms51ms7ms3rd
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
24 images, 0 KB saveable
REVIEW
24 images, 0 KB saveable
Warning::
is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
24 images 237 KB
0 oversized -0 KB
22 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.

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: 31 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 KB31 KB (52%)✓3rd
https://sdk.mrf.io/statics/0639f9e9af1a7496d5c3.js24 KB22 KB (93%)✓3rd
https://www.europe1.fr/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?12 KB—✓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://www.europe1.fr/var/europe1/storage/js/js_s4LlrEUtoc54tiKYciJYBob_6bXpnemqOIg2SkD2l0k.js?scope=footer&delta=1&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ19 KB—✓3rd
https://www.europe1.fr/var/europe1/storage/js/js_qYqWOhH38TAI93vysQ4wv6v7xMdARYWVgsRhGzVs_qA.js?scope=footer&delta=2&language=fr&theme=europe1&include=eJw1ilsKgDAMwC40GZ6o1K6MabWlnchu7wP8yUcSOvgKEC7NmXqO3mgb4FiaggkO9kTfYiqSX0yiWBKfrsZzrqILyrTGb2DxpxNGh-qtZMPKYK7Vcd85bsMwLAQ15 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
65 resources · 963 KB · 224 KB savings available
REVIEW
65 resources · 963 KB · 224 KB savings available
Info::
Within 1MB page-weight target
Got: 963 KB
Info::
~224 KB of savings available
Warning::
64 third-party resources (100% of weight)
65 resources · 963.4 KiB · 64 third-party Within 1MB page-weight target
JavaScript 62% · 600.1 KiB
Image 25% · 239.6 KiB
Font 6% · 55.4 KiB
Document 3% · 32.1 KiB
CSS 3% · 31.8 KiB
Other 0% · 4.3 KiB

~223.9 KiB of savings available

Remove unused JavaScript: 223.9 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
963 KB transferred, 65 requests
PASS
963 KB transferred, 65 requests
Info::
Page weighs 2.7 MB (963 KB transferred)
Warning::
JavaScript is 600 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 600 KB
Info::
65 HTTP requests
Info::
Estimated 0.20 g CO2 per page load
963 KB / 2.4 MB budget
963 KB transferred
65 requests
0.20 g CO2 per page load
JavaScript 600.1 KiB 62%
Images 237.2 KiB 25%
Fonts 55.4 KiB 6%
CSS 31.8 KiB 3%
HTML 29.4 KiB 3%
Other 4.7 KiB 0%
Other 4.5 KiB 0%
Other 327 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 (55 KB)
PASS
2 fonts (55 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

55 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 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 2.1 s LCP 8.4 shttps://www.europe1.fr/themes/europe1/fonts/Fira-sans.woff2Fira-sans.woff2 https://www.europe1.fr/themes/europe1/fonts/Fira-sans.woff2 — 21.5 KiB — 32 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 — 33.9 KiB — 40 ms — font-display: swap
Fira-sans.woff2 woff2 swap
Size 22 KB
Load time 32 ms
Start 158 ms
Risk FOUT — text flashes from fallback to web font
roboto-flex-latin-400-7... woff2 swap
Size 34 KB
Load time 40 ms
Start 159 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
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
65 requests over 2287ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 2.1 s LCP 8.4 shttps://europe1.fr// https://europe1.fr/ — 301 — 569 B — 58 ms — h2https://www.europe1.fr/www.europe1.fr/ https://www.europe1.fr/ — 200 — 28.5 KiB — 84 ms — h2https://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 — 160 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 — 2.7 KiB — 37 ms — h2https://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 — 1.6 KiB — 35 ms — h2https://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 — 26.7 KiB — 56 ms — h2https://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 — 21.5 KiB — 32 ms — h2https://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 — 33.9 KiB — 40 ms — h2https://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 — 8.8 KiB — 34 ms — h2https://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 — 2.2 KiB — 35 ms — h2https://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 — 1.7 KiB — 40 ms — h2https://static.europe1.fr/var/europe1/storage/styles/image_800_450/public/media/image/2026/04/15/13/091_i1775634282028_1_69d6018eb25a7_69d88aaed26a4_69df7d090629a.jpg?itok=2r46VTo9static.europe1.fr/var/europe1/stora... https://static.europe1.fr/var/europe1/storage/styles/image_800_450/public/media/image/2026/04/15/13/091_i1775634282028_1_69d6018eb25a7_69d88aaed26a4_69df7d090629a.jpg?itok=2r46VTo9 — 200 — 51.7 KiB — 148 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 — 36.6 KiB — 52 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 — 32 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 — 31 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 — 12.3 KiB — 24 ms — h3https://logs1203.xiti.com/event?s=517037&idclient=mo0o1l6sucs77ppplogs1203.xiti.com/event?s=517037&id... 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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 — 26 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 — 113 ms — h2https://synchrobox.adswizz.com/register2.phpsynchrobox.adswizz.com/register2.ph... https://synchrobox.adswizz.com/register2.php — 200 — 1.0 KiB — 201 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 — 78 ms — h3https://europe1.lmn.fm/generateSDKSessionIdeurope1.lmn.fm/generateSDKSessionId https://europe1.lmn.fm/generateSDKSessionId — 200 — 612 B — 180 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 — 31 ms — h3https://europe1.lmn.fm/europe1-live/playlist.m3u8?aw_0_req.userConsentV2=CQitFIAQitFIAAHABBENCaFgAAAAAELgAAAAAAAQEgFgA1AGAAO4AjgBnwD7AI9ATEApoBywEBABQkAGAAIMWjoAMAAQYtIQAYAAgxaSgAwABBi0pABgACDFoAAA.ILAFB5G_faSFj6TJ1YKtkeYxf11ho4sAxBgYJAyABhBOAIIwF0mAxNATAIiACGAAAKFBBIQAtCADEAACAIIgBITDEIECAABAAIiBEAAMRQgAACBRJmQAAGAAYgEDUAlQAmAoEQBrMQNwgAIAAASARBIAhABCRAQcIACEgYAAAAQAAwkgAEAAAAAAAAAAAABAIEAAAAAECAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAA.YAAACFwAAAAA&origin=web&listenerid=1776294771617_0.49088732527275625&awparams=companionAds%3Atrue&aw_0_1st.version=1.3.4%3Ahtml5&aw_0_1st.playerid=LagardereWebE1&aw_0_1st.skey=1776294772&dvr_playback_session_id=69d3791132659764_828002_y8dkXZ7Z_MTAuMTkuMjEuMTY1OjgwMDA!_0000000mB5Zeurope1.lmn.fm/europe1-live/playlis... https://europe1.lmn.fm/europe1-live/playlist.m3u8?aw_0_req.userConsentV2=CQitFIAQitFIAAHABBENCaFgAAAAAELgAAAAAAAQEgFgA1AGAAO4AjgBnwD7AI9ATEApoBywEBABQkAGAAIMWjoAMAAQYtIQAYAAgxaSgAwABBi0pABgACDFoAAA.ILAFB5G_faSFj6TJ1YKtkeYxf11ho4sAxBgYJAyABhBOAIIwF0mAxNATAIiACGAAAKFBBIQAtCADEAACAIIgBITDEIECAABAAIiBEAAMRQgAACBRJmQAAGAAYgEDUAlQAmAoEQBrMQNwgAIAAASARBIAhABCRAQcIACEgYAAAAQAAwkgAEAAAAAAAAAAAABAIEAAAAAECAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAA.YAAACFwAAAAA&origin=web&listenerid=1776294771617_0.49088732527275625&awparams=companionAds%3Atrue&aw_0_1st.version=1.3.4%3Ahtml5&aw_0_1st.playerid=LagardereWebE1&aw_0_1st.skey=1776294772&dvr_playback_session_id=69d3791132659764_828002_y8dkXZ7Z_MTAuMTkuMjEuMTY1OjgwMDA!_0000000mB5Z — 200 — 1.6 KiB — 413 ms — http/1.1https://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 — 107 ms — h2https://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://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 — 29 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 — 26 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 3199ms · 408KB · €35/mo
Unattributable
Other
Costly
Execution 671ms
Transfer 0 KB
Monthly Cost €7/mo
www.europe1.fr
Other
Costly
Execution 555ms
Transfer 37 KB
Monthly Cost €6/mo
www.europe1.fr
Other
Costly
Execution 551ms
Transfer 29 KB
Monthly Cost €6/mo
www.europe1.fr
Other
Costly
Execution 385ms
Transfer 1 KB
Monthly Cost €4/mo
sdk.privacy-center.org
Other
Costly
Execution 263ms
Transfer 101 KB
Unused 43%
Monthly Cost €3/mo
sdk.privacy-center.org
Other
Costly
Execution 256ms
Transfer 54 KB
Monthly Cost €3/mo
www.europe1.fr
Other
Costly
Execution 222ms
Transfer 0 KB
Monthly Cost €2/mo
jsDelivr
CDN
Optional
Execution 125ms
Transfer 160 KB
Unused 80%
Monthly Cost €1/mo
www.europe1.fr
Other
Optional
Execution 113ms
Transfer 1 KB
Monthly Cost €1/mo
www.europe1.fr
Other
Optional
Execution 58ms
Transfer 26 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • Unattributable adds 671ms and costs ~€7/month
  • www.europe1.fr adds 555ms and costs ~€6/month
  • www.europe1.fr adds 551ms and costs ~€6/month
  • www.europe1.fr adds 385ms and costs ~€4/month
  • sdk.privacy-center.org adds 263ms and costs ~€3/month
  • sdk.privacy-center.org adds 256ms and costs ~€3/month
  • www.europe1.fr adds 222ms 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

Unattributable takes 671ms 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.europe1.fr takes 555ms 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.europe1.fr takes 551ms 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.europe1.fr takes 385ms 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

sdk.privacy-center.org takes 263ms 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

sdk.privacy-center.org takes 256ms 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.europe1.fr takes 222ms 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

80% of jsDelivr'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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