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https://allocine.fr

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
73
GRADE
C
FIX
5
REVIEW
2
PASS
8
INFO
2

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

Mobile Desktop
44
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
79
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
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.

2.08 s

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

13.79 s

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

1.77 s

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

0.031

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

4.12 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.

13.99 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 2 REVIEW 5 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 (1.5 MiB of 1.5 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
5510ms total JS execution
FIX
5510ms total JS execution
Warning::
https://www.allocine.fr/: 1052ms CPU time
Warning::
https://cdn.lib.getjad.io/library/120157152/ALLOCI...: 825ms CPU time
Warning::
Unattributable: 814ms CPU time
Warning::
https://sdk.privacy-center.org/sdk/22ecd6bfac93de6...: 397ms CPU time
Warning::
https://sdk.privacy-center.org/sdk/22ecd6bfac93de6...: 332ms CPU time
Warning::
Third-party scripts: 5510ms (100% of total)

Main Thread Breakdown

Script Evaluation 56% Other 13% Script Parsing & Compilation 12% Style & Layout 9% Rendering 5%
ScriptTotalScriptingParse/CompileParty
https://www.allocine.fr/1052ms82ms11ms3rd
https://cdn.lib.getjad.io/library/120157152/ALLOCINE_FR_WEB825ms581ms175ms3rd
Unattributable814ms292ms0ms3rd
https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk.22ecd6bfac93de604efec0b75b2c796ee1675f92.js397ms286ms67ms3rd
https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/ui-web-fr-web.22ecd6bfac93de604efec0b75b2c796ee1675f92.js332ms245ms34ms3rd
https://assets.allocine.fr/js/website/home.07ffba97132d723e791c.js322ms298ms10ms3rd
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604210101/pubads_impl.js?cb=31098008274ms182ms79ms3rd
https://assets.allocine.fr/js/website/website-common.d3da14fd91803900262f.js258ms145ms75ms3rd
https://client.aps.amazon-adsystem.com/publisher.js253ms189ms53ms3rd
https://cdn.lib.getjad.io/prebid/120157152242ms176ms65ms3rd

Showing top 10 of 17 scripts

F
JS Bundles
Action
26 scripts, 547 KB unused
FIX
26 scripts, 547 KB unused
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 142 KB unused (76%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.lib.getjad.io/prebid/120157152: 127 KB unused (80%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.lib.getjad.io/library/120157152/ALLOCI...: 106 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.lib.getjad.io/library/120157152/ALLOCI...: unminified — 89 KB could be saved
Warning::
https://assets.allocine.fr/js/website/website-comm...: 79 KB unused (46%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://client.aps.amazon-adsystem.com/publisher.j...: 47 KB unused (57%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 547 KB
547 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604210101/pubads_impl.js?cb=31098008188 KB142 KB (76%)✓3rd
https://cdn.lib.getjad.io/prebid/120157152159 KB127 KB (80%)✓3rd
https://cdn.lib.getjad.io/library/120157152/ALLOCINE_FR_WEB203 KB106 KB (52%)✗3rd
https://assets.allocine.fr/js/website/website-common.d3da14fd91803900262f.js173 KB79 KB (46%)✓3rd
https://client.aps.amazon-adsystem.com/publisher.js82 KB47 KB (57%)✓3rd
https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk.22ecd6bfac93de604efec0b75b2c796ee1675f92.js101 KB46 KB (45%)✓3rd
https://assets.allocine.fr/js/website/script-03.8a1fc93fdc6a41f47900.js5 KB—✓3rd
https://c.amazon-adsystem.com/bao-csm/aps-comm/aps_csm.js3 KB—✓3rd
https://assets.allocine.fr/js/website/5038.611da82d3fb224bd2785.js14 KB—✓3rd
https://assets.allocine.fr/js/website/2326.c70bb3085d1439348f66.js6 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
63 resources · 1.5 MB · 547 KB savings available
FIX
63 resources · 1.5 MB · 547 KB savings available
Warning::
Page weight 486 KB over 1MB target
Got: 1.5 MB Expected: ≤ 1 MB
Info::
~547 KB of savings available
Warning::
62 third-party resources (100% of weight)
Info::
1 resources over 200KB
63 resources · 1.5 MiB · 62 third-party 486.4 KiB over 1MB target
JavaScript 83% · 1.2 MiB
Image 10% · 155.1 KiB
Document 4% · 57.7 KiB
Other 2% · 29.5 KiB
Font 1% · 17.8 KiB

~546.5 KiB of savings available

Remove unused JavaScript: 546.5 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
Page Weight Budget
1.5 MB transferred, 63 requests
REVIEW
1.5 MB transferred, 63 requests
Info::
Page weighs 5.2 MB (1.5 MB transferred)
Warning::
JavaScript is 1.2 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.2 MB
Info::
63 HTTP requests
Info::
Estimated 0.31 g CO2 per page load
1.5 MB / 2.4 MB budget
1.5 MB transferred
63 requests
0.31 g CO2 per page load
JavaScript 1.2 MiB 79%
Images 152.1 KiB 10%
HTML 56.5 KiB 4%
Other 56.0 KiB 4%
Other 25.1 KiB 2%
Fonts 17.8 KiB 1%
Other 3.6 KiB 0%
Other 97 B 0%
0 2.4 MB 4.9 MB
Approaching limit

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

C
Image Optimization
Action
21 images, 0 KB saveable
REVIEW
21 images, 0 KB saveable
Warning::
https://fr.web.img6.acsta.net/commons/v9/allocine/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
data:image/gif;base64,R0lGODlhAgABAPAAAAAAAAAAACH5... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
21 images 152 KB
0 oversized -0 KB
10 legacy format
2 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

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 (18 KB)
PASS
2 fonts (18 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

18 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 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 2.1 s LCP 13.8 shttps://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2font-icon.488231ae.woff2 https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2 — 17.8 KiB — 22 ms — font-display: swaphttps://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2font-icon.488231ae.woff2 https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2 — 0 B — 10 ms — font-display: swap
font-icon.488231ae.woff2 woff2 swap
Size 18 KB
Load time 22 ms
Start 48 ms
Risk FOUT — text flashes from fallback to web font
font-icon.488231ae.woff2 woff2 swap
Size 0 KB
Load time 10 ms
Start 121 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
7 hints, 0 missing preconnects
PASS
7 hints, 0 missing preconnects
Info::
Page uses 7 resource hint(s)

Current Resource Hints

preconnect
2
preload
5
dns-prefetch
—
prefetch
—

7 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
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
63 requests over 1960ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 2.1 s LCP 13.8 shttps://allocine.fr// https://allocine.fr/ — 301 — 377 B — 15 ms — h2https://www.allocine.fr/www.allocine.fr/ https://www.allocine.fr/ — 200 — 56.5 KiB — 24 ms — h2https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2assets.allocine.fr/skin/font/icon/f... https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2 — 200 — 17.8 KiB — 22 ms — h2https://assets.allocine.fr/skin/img/allocine/logo-main-grey.5de8867c.svgassets.allocine.fr/skin/img/allocin... https://assets.allocine.fr/skin/img/allocine/logo-main-grey.5de8867c.svg — 200 — 1.7 KiB — 1.2 s — h2https://assets.allocine.fr/js/website/website-common.d3da14fd91803900262f.jsassets.allocine.fr/js/website/websi... https://assets.allocine.fr/js/website/website-common.d3da14fd91803900262f.js — 200 — 172.5 KiB — 81 ms — h2https://assets.allocine.fr/js/website/home.07ffba97132d723e791c.jsassets.allocine.fr/js/website/home.... https://assets.allocine.fr/js/website/home.07ffba97132d723e791c.js — 200 — 23.9 KiB — 25 ms — h2https://fr.web.img6.acsta.net/img/dc/4b/dc4b39b9f1590e39a8dab7672030047b.jpgfr.web.img6.acsta.net/img/dc/4b/dc4... https://fr.web.img6.acsta.net/img/dc/4b/dc4b39b9f1590e39a8dab7672030047b.jpg — 200 — 40.7 KiB — 62 ms — h2https://fr.web.img4.acsta.net/c_350_135/img/bc/16/bc161b70f72dc61a6b4ae4d640862c45.jpgfr.web.img4.acsta.net/c_350_135/img... https://fr.web.img4.acsta.net/c_350_135/img/bc/16/bc161b70f72dc61a6b4ae4d640862c45.jpg — 200 — 13.1 KiB — 56 ms — h2https://fr.web.img4.acsta.net/c_350_135/img/f4/04/f404df65e713d76389e53402366f2e0c.jpgfr.web.img4.acsta.net/c_350_135/img... https://fr.web.img4.acsta.net/c_350_135/img/f4/04/f404df65e713d76389e53402366f2e0c.jpg — 200 — 6.9 KiB — 41 ms — h2https://fr.web.img2.acsta.net/c_350_135/img/cf/0b/cf0bf8fb1aa0e665132c009cbde34129.jpgfr.web.img2.acsta.net/c_350_135/img... https://fr.web.img2.acsta.net/c_350_135/img/cf/0b/cf0bf8fb1aa0e665132c009cbde34129.jpg — 200 — 16.0 KiB — 64 ms — h2https://fr.web.img4.acsta.net/c_350_135/img/41/44/414431994d1d813605608eea6bb81c54.jpgfr.web.img4.acsta.net/c_350_135/img... https://fr.web.img4.acsta.net/c_350_135/img/41/44/414431994d1d813605608eea6bb81c54.jpg — 200 — 7.6 KiB — 38 ms — h2https://www.allocine.fr/_/js/routing?callback=AC.setRoutingwww.allocine.fr/_/js/routing?callba... https://www.allocine.fr/_/js/routing?callback=AC.setRouting — 200 — 3.4 KiB — 28 ms — h2https://assets.allocine.fr/js/website/translations-3e5f9a1ee288763011eec279f4f2a02d.fr_FR.jsassets.allocine.fr/js/website/trans... https://assets.allocine.fr/js/website/translations-3e5f9a1ee288763011eec279f4f2a02d.fr_FR.js — 200 — 13.3 KiB — 30 ms — h2https://assets.allocine.fr/skin/img/allocine/logo-main.ab1b33da.svgassets.allocine.fr/skin/img/allocin... https://assets.allocine.fr/skin/img/allocine/logo-main.ab1b33da.svg — 200 — 1.6 KiB — 29 ms — h2https://fr.web.img5.acsta.net/c_350_135/img/74/c7/74c711ce80eaa61e42b4ac9a291c84cf.jpgfr.web.img5.acsta.net/c_350_135/img... https://fr.web.img5.acsta.net/c_350_135/img/74/c7/74c711ce80eaa61e42b4ac9a291c84cf.jpg — 200 — 9.6 KiB — 67 ms — h2https://fr.web.img2.acsta.net/c_150_200/img/f2/01/f201af7e5a1b0119af9047725a3f2785.jpegfr.web.img2.acsta.net/c_150_200/img... https://fr.web.img2.acsta.net/c_150_200/img/f2/01/f201af7e5a1b0119af9047725a3f2785.jpeg — 200 — 6.9 KiB — 68 ms — h2https://fr.web.img2.acsta.net/c_150_200/img/70/d6/70d6f7006ed9b8dbaf991e6922ba60f7.jpgfr.web.img2.acsta.net/c_150_200/img... https://fr.web.img2.acsta.net/c_150_200/img/70/d6/70d6f7006ed9b8dbaf991e6922ba60f7.jpg — 200 — 10.4 KiB — 67 ms — h2https://fr.web.img2.acsta.net/c_150_200/img/0b/f9/0bf95ca0474a1781b921862fb273a9cb.jpgfr.web.img2.acsta.net/c_150_200/img... https://fr.web.img2.acsta.net/c_150_200/img/0b/f9/0bf95ca0474a1781b921862fb273a9cb.jpg — 200 — 12.3 KiB — 67 ms — h2data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==data:image/gif;base64,R0lGODlhAQABA... data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw== — 200 — 0 B — 0 ms — datadata:image/gif;base64,R0lGODlhAwAEAIAAAAAAAAAAACH5BAEAAAAALAAAAAADAAQAAAIDhI9WADs=data:image/gif;base64,R0lGODlhAwAEA... data:image/gif;base64,R0lGODlhAwAEAIAAAAAAAAAAACH5BAEAAAAALAAAAAADAAQAAAIDhI9WADs= — 200 — 0 B — 0 ms — datadata:image/gif;base64,R0lGODlhAgABAPAAAAAAAAAAACH5BAEAAAAAIf8LSW1hZ2VNYWdpY2sNZ2FtbWE9MC40NTQ1NQAsA…data:image/gif;base64,R0lGODlhAgABA... data:image/gif;base64,R0lGODlhAgABAPAAAAAAAAAAACH5BAEAAAAAIf8LSW1hZ2VNYWdpY2sNZ2FtbWE9MC40NTQ1NQAsA… — 200 — 0 B — 0 ms — datadata:image/gif;base64,R0lGODlhEAAJAIAAAAAAAAAAACH5BAEAAAAALAAAAAAQAAkAAAIKhI+py+0Po5yUFQA7data:image/gif;base64,R0lGODlhEAAJA... data:image/gif;base64,R0lGODlhEAAJAIAAAAAAAAAAACH5BAEAAAAALAAAAAAQAAkAAAIKhI+py+0Po5yUFQA7 — 200 — 0 B — 0 ms — datahttps://assets.allocine.fr/skin/img/logo-allocine.7e88ee87.svgassets.allocine.fr/skin/img/logo-al... https://assets.allocine.fr/skin/img/logo-allocine.7e88ee87.svg — 200 — 1.2 KiB — 39 ms — h3https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2assets.allocine.fr/skin/font/icon/f... https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2 — 200 — 0 B — 10 ms — h2https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 27 ms — h2https://sdk.privacy-center.org/e23a01f6-a508-4e71-8f50-c1a9cae7c0d0/loader.js?target_type=notice&target=6rDkyJmjsdk.privacy-center.org/e23a01f6-a50... https://sdk.privacy-center.org/e23a01f6-a508-4e71-8f50-c1a9cae7c0d0/loader.js?target_type=notice&target=6rDkyJmj — 200 — 33.9 KiB — 516 ms — h2https://assets.allocine.fr/skin/img/allocine/logo-main-white.536669e5.svgassets.allocine.fr/skin/img/allocin... https://assets.allocine.fr/skin/img/allocine/logo-main-white.536669e5.svg — 200 — 1.9 KiB — 17 ms — h3https://assets.allocine.fr/skin/img/logo-boxoffice-company.686f7e8e.svgassets.allocine.fr/skin/img/logo-bo... https://assets.allocine.fr/skin/img/logo-boxoffice-company.686f7e8e.svg — 200 — 4.2 KiB — 21 ms — h3https://assets.allocine.fr/skin/img/logo-webedia-white.1476b15c.svgassets.allocine.fr/skin/img/logo-we... https://assets.allocine.fr/skin/img/logo-webedia-white.1476b15c.svg — 200 — 1.8 KiB — 20 ms — h3https://assets.allocine.fr/js/website/script-03.8a1fc93fdc6a41f47900.jsassets.allocine.fr/js/website/scrip... https://assets.allocine.fr/js/website/script-03.8a1fc93fdc6a41f47900.js — 200 — 4.7 KiB — 17 ms — h3
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s FCP 2.1 s LCP 13.8 shttps://allocine.fr// https://allocine.fr/ — 301 — 377 B — 15 ms — h2https://www.allocine.fr/www.allocine.fr/ https://www.allocine.fr/ — 200 — 56.5 KiB — 24 ms — h2https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2assets.allocine.fr/skin/font/icon/f... https://assets.allocine.fr/skin/font/icon/font-icon.488231ae.woff2 — 200 — 17.8 KiB — 22 ms — h2https://assets.allocine.fr/skin/img/allocine/logo-main-grey.5de8867c.svgassets.allocine.fr/skin/img/allocin... https://assets.allocine.fr/skin/img/allocine/logo-main-grey.5de8867c.svg — 200 — 1.7 KiB — 1.2 s — h2https://assets.allocine.fr/js/website/website-common.d3da14fd91803900262f.jsassets.allocine.fr/js/website/websi... https://assets.allocine.fr/js/website/website-common.d3da14fd91803900262f.js — 200 — 172.5 KiB — 81 ms — h2https://assets.allocine.fr/js/website/home.07ffba97132d723e791c.jsassets.allocine.fr/js/website/home.... https://assets.allocine.fr/js/website/home.07ffba97132d723e791c.js — 200 — 23.9 KiB — 25 ms — h2https://fr.web.img6.acsta.net/img/dc/4b/dc4b39b9f1590e39a8dab7672030047b.jpgfr.web.img6.acsta.net/img/dc/4b/dc4... https://fr.web.img6.acsta.net/img/dc/4b/dc4b39b9f1590e39a8dab7672030047b.jpg — 200 — 40.7 KiB — 62 ms — h2https://fr.web.img4.acsta.net/c_350_135/img/bc/16/bc161b70f72dc61a6b4ae4d640862c45.jpgfr.web.img4.acsta.net/c_350_135/img... https://fr.web.img4.acsta.net/c_350_135/img/bc/16/bc161b70f72dc61a6b4ae4d640862c45.jpg — 200 — 13.1 KiB — 56 ms — h2https://fr.web.img4.acsta.net/c_350_135/img/f4/04/f404df65e713d76389e53402366f2e0c.jpgfr.web.img4.acsta.net/c_350_135/img... https://fr.web.img4.acsta.net/c_350_135/img/f4/04/f404df65e713d76389e53402366f2e0c.jpg — 200 — 6.9 KiB — 41 ms — h2https://fr.web.img2.acsta.net/c_350_135/img/cf/0b/cf0bf8fb1aa0e665132c009cbde34129.jpgfr.web.img2.acsta.net/c_350_135/img... 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h2https://www.allocine.fr/_/geolocalizewww.allocine.fr/_/geolocalize https://www.allocine.fr/_/geolocalize — 204 — 1.2 KiB — 770 ms — h3https://fr.web.img5.acsta.net/img/82/f1/82f126e4fb5fdc3d8edc707301d05a80.jpgfr.web.img5.acsta.net/img/82/f1/82f... https://fr.web.img5.acsta.net/img/82/f1/82f126e4fb5fdc3d8edc707301d05a80.jpg — 200 — 13.2 KiB — 17 ms — h2https://www.allocine.fr/_/tvty/getwww.allocine.fr/_/tvty/get https://www.allocine.fr/_/tvty/get — 200 — 496 B — 359 ms — h3https://assets.allocine.fr/js/website/5038.611da82d3fb224bd2785.jsassets.allocine.fr/js/website/5038.... https://assets.allocine.fr/js/website/5038.611da82d3fb224bd2785.js — 200 — 14.1 KiB — 22 ms — h3https://assets.allocine.fr/js/website/2326.c70bb3085d1439348f66.jsassets.allocine.fr/js/website/2326.... https://assets.allocine.fr/js/website/2326.c70bb3085d1439348f66.js — 200 — 6.4 KiB — 19 ms — h3https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk.22ecd6bfac93de604efec0b75b2c796ee1675f92.jssdk.privacy-center.org/sdk/22ecd6bf... https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk.22ecd6bfac93de604efec0b75b2c796ee1675f92.js — 200 — 100.9 KiB — 373 ms — h2https://cdn.lib.getjad.io/library/120157152/ALLOCINE_FR_WEBcdn.lib.getjad.io/library/120157152... https://cdn.lib.getjad.io/library/120157152/ALLOCINE_FR_WEB — 200 — 202.8 KiB — 61 ms — h2https://client.aps.amazon-adsystem.com/publisher.jsclient.aps.amazon-adsystem.com/publ... https://client.aps.amazon-adsystem.com/publisher.js — 200 — 82.3 KiB — 22 ms — h2https://cdn.lib.getjad.io/prebid/120157152cdn.lib.getjad.io/prebid/120157152 https://cdn.lib.getjad.io/prebid/120157152 — 200 — 158.7 KiB — 37 ms — h2https://boot.pbstck.com/v1/tag/f0b7ab5f-140d-42a6-9fbb-821a457e7834boot.pbstck.com/v1/tag/f0b7ab5f-140... https://boot.pbstck.com/v1/tag/f0b7ab5f-140d-42a6-9fbb-821a457e7834 — 200 — 930 B — 24 ms — h2https://cdn.lib.getjad.io/restrictedurl/0b/c1/8f/a2/2d/26/4e/ef/43/cb/24/64/41/e2/f1/18.json?t=2026-04-22cdn.lib.getjad.io/restrictedurl/0b/... https://cdn.lib.getjad.io/restrictedurl/0b/c1/8f/a2/2d/26/4e/ef/43/cb/24/64/41/e2/f1/18.json?t=2026-04-22 — 200 — 3.8 KiB — 26 ms — h3https://c.amazon-adsystem.com/bao-csm/aps-comm/aps_csm.jsc.amazon-adsystem.com/bao-csm/aps-c... https://c.amazon-adsystem.com/bao-csm/aps-comm/aps_csm.js — 200 — 3.1 KiB — 15 ms — h2https://config.aps.amazon-adsystem.com/configs/3309config.aps.amazon-adsystem.com/conf... https://config.aps.amazon-adsystem.com/configs/3309 — 200 — 1.6 KiB — 17 ms — h2https://securepubads.g.doubleclick.net/tag/js/gpt.jssecurepubads.g.doubleclick.net/tag/... https://securepubads.g.doubleclick.net/tag/js/gpt.js — 200 — 34.0 KiB — 33 ms — h3https://cdn.pbstck.com/user-sessions-a657a01.jscdn.pbstck.com/user-sessions-a657a0... 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h3https://assets.allocine.fr/favicon/allocine.icoassets.allocine.fr/favicon/allocine... https://assets.allocine.fr/favicon/allocine.ico — 200 — 0 B — 2 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 5510ms · 1132KB · €68/mo
www.allocine.fr
Other
Costly
Execution 1052ms
Transfer 57 KB
Monthly Cost €13/mo
cdn.lib.getjad.io
Other
Costly
Execution 825ms
Transfer 203 KB
Unused 52%
Monthly Cost €10/mo
Unattributable
Other
Costly
Execution 814ms
Transfer 0 KB
Monthly Cost €10/mo
sdk.privacy-center.org
Other
Costly
Execution 397ms
Transfer 101 KB
Unused 45%
Monthly Cost €5/mo
sdk.privacy-center.org
Other
Costly
Execution 332ms
Transfer 54 KB
Monthly Cost €4/mo
assets.allocine.fr
Other
Costly
Execution 322ms
Transfer 24 KB
Monthly Cost €4/mo
securepubads.g.doubleclick.net
Other
Costly
Execution 274ms
Transfer 188 KB
Unused 76%
Monthly Cost €3/mo
assets.allocine.fr
Other
Costly
Execution 258ms
Transfer 173 KB
Unused 46%
Monthly Cost €3/mo
client.aps.amazon-adsystem.com
Other
Costly
Execution 253ms
Transfer 82 KB
Unused 57%
Monthly Cost €3/mo
cdn.lib.getjad.io
Other
Costly
Execution 242ms
Transfer 159 KB
Unused 80%
Monthly Cost €3/mo
boot.pbstck.com
Other
Optional
Execution 179ms
Transfer 1 KB
Monthly Cost €2/mo
cdn.lib.getjan.io
Other
Optional
Execution 136ms
Transfer 22 KB
Monthly Cost €2/mo
securepubads.g.doubleclick.net
Other
Optional
Execution 127ms
Transfer 34 KB
Monthly Cost €2/mo
config.aps.amazon-adsystem.com
Other
Optional
Execution 104ms
Transfer 2 KB
Monthly Cost €1/mo
secure.cdn.fastclick.net
Other
Optional
Execution 75ms
Transfer 22 KB
Monthly Cost €1/mo
sdk.privacy-center.org
Other
Optional
Execution 62ms
Transfer 1 KB
Monthly Cost €1/mo
static.cloudflareinsights.com
Other
Optional
Execution 57ms
Transfer 11 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.allocine.fr adds 1052ms and costs ~€13/month
  • cdn.lib.getjad.io adds 825ms and costs ~€10/month
  • Unattributable adds 814ms and costs ~€10/month
  • sdk.privacy-center.org adds 397ms and costs ~€5/month
  • sdk.privacy-center.org adds 332ms and costs ~€4/month
  • assets.allocine.fr adds 322ms and costs ~€4/month
  • securepubads.g.doubleclick.net adds 274ms and costs ~€3/month
  • assets.allocine.fr adds 258ms and costs ~€3/month
  • client.aps.amazon-adsystem.com adds 253ms and costs ~€3/month
  • cdn.lib.getjad.io adds 242ms 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.allocine.fr takes 1052ms 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

cdn.lib.getjad.io takes 825ms 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

52% of cdn.lib.getjad.io'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 814ms 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 397ms 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 332ms 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

assets.allocine.fr takes 322ms 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

securepubads.g.doubleclick.net takes 274ms 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

76% of securepubads.g.doubleclick.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

assets.allocine.fr takes 258ms 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

client.aps.amazon-adsystem.com takes 253ms 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

57% of client.aps.amazon-adsystem.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

cdn.lib.getjad.io takes 242ms 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 cdn.lib.getjad.io'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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