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https://latribune.fr

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
73
GRADE
C
FIX
4
REVIEW
3
PASS
6
INFO
2

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

Mobile Desktop
88
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
82
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.

1.03 s

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

1.80 s

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

0 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.

1.82 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.

1.80 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
15
6 PASS 3 REVIEW 4 FIX
F
Page Weight Budget
Action
3.1 MB transferred, 107 requests
FIX
3.1 MB transferred, 107 requests
Warning::
Page weighs 8.3 MB (3.1 MB transferred)
Warning::
Images are 1.8 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.8 MB
Warning::
JavaScript is 751 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 751 KB
Info::
Fonts are 497 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 497 KB
Warning::
107 HTTP requests — consider bundling or reducing
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
Info::
Estimated 0.66 g CO2 per page load
3.1 MB / 2.4 MB budget
3.1 MB transferred
107 requests
0.66 g CO2 per page load
Images 1.8 MiB 57%
JavaScript 750.9 KiB 23%
Fonts 496.7 KiB 15%
HTML 97.2 KiB 3%
CSS 18.6 KiB 1%
Other 4.1 KiB 0%
Other 1.5 KiB 0%
Other 342 B 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

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.

Why this matters

High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.

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 (3.1 MiB of 3.1 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
107 resources · 3.1 MB · 225 KB savings available
FIX
107 resources · 3.1 MB · 225 KB savings available
Warning::
Page weight 2.1 MB over 1MB target
Got: 3.1 MB Expected: ≤ 1 MB
Info::
~225 KB of savings available
Warning::
106 third-party resources (100% of weight)
107 resources · 3.1 MiB · 106 third-party 2.1 MiB over 1MB target
Image 57% · 1.8 MiB
JavaScript 23% · 750.9 KiB
Font 15% · 496.7 KiB
Document 3% · 97.2 KiB
CSS 1% · 18.6 KiB
Other 0% · 3.3 KiB

~224.6 KiB of savings available

Remove unused JavaScript: 224.6 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

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

B
Image Optimization
45 images, 0 KB saveable
REVIEW
45 images, 0 KB saveable
Warning::
https://assets.latribune.fr/prod/public/next_image... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
45 images 1.8 MB
0 oversized -0 KB
31 legacy format
1 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

B
JS Execution Cost
902ms total JS execution
REVIEW
902ms total JS execution
Warning::
https://assets.latribune.fr/prod/_next/static/chun...: 311ms CPU time
Warning::
Unattributable: 265ms CPU time
Info::
https://www.latribune.fr/: 201ms CPU time
Info::
https://sdk.privacy-center.org/sdk/22ecd6bfac93de6...: 72ms CPU time
Info::
https://www.latribune.fr/cdn-cgi/challenge-platfor...: 53ms CPU time
Warning::
Third-party scripts: 902ms (100% of total)

Main Thread Breakdown

Script Evaluation 51% Other 23% Style & Layout 10% Script Parsing & Compilation 8% Parse HTML & CSS 4%
ScriptTotalScriptingParse/CompileParty
https://assets.latribune.fr/prod/_next/static/chunks/d8c95b13d94889b3.js311ms289ms7ms3rd
Unattributable265ms29ms0ms3rd
https://www.latribune.fr/201ms27ms24ms3rd
https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/ui-web-en-web.22ecd6bfac93de604efec0b75b2c796ee1675f92.js72ms49ms5ms3rd
https://www.latribune.fr/cdn-cgi/challenge-platform/scripts/jsd/main.js53ms51ms1ms3rd
C
JS Bundles
Action
34 scripts, 225 KB unused
REVIEW
34 scripts, 225 KB unused
Warning::
https://assets.latribune.fr/prod/_next/static/chun...: 102 KB unused (68%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://sdk.privacy-center.org/sdk/22ecd6bfac93de6...: 46 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://sdk.mrf.io/statics/marfeel-sdk.js?id=5035: 31 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://assets.latribune.fr/prod/_next/static/chun...: 24 KB unused (35%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://sdk.mrf.io/statics/47bd3e88b6bda15c34ce.js: 22 KB unused (90%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 225 KB
225 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://assets.latribune.fr/prod/_next/static/chunks/804767ecb6643a5b.js150 KB102 KB (68%)✓3rd
https://sdk.privacy-center.org/sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk.22ecd6bfac93de604efec0b75b2c796ee1675f92.js101 KB46 KB (45%)✓3rd
https://sdk.mrf.io/statics/marfeel-sdk.js?id=503559 KB31 KB (53%)✓3rd
https://assets.latribune.fr/prod/_next/static/chunks/d8c95b13d94889b3.js68 KB24 KB (35%)✓3rd
https://sdk.mrf.io/statics/47bd3e88b6bda15c34ce.js24 KB22 KB (90%)✓3rd
https://assets.latribune.fr/prod/_next/static/chunks/3b5a79df0eecd8ea.js27 KB—✓3rd
https://www.latribune.fr/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?13 KB—✓3rd
https://assets.latribune.fr/prod/_next/static/chunks/01028809adc4dad4.js8 KB—✓3rd
https://assets.latribune.fr/prod/_next/static/chunks/be89ecb5dd520370.js10 KB—✓3rd
https://assets.latribune.fr/prod/_next/static/chunks/b3647a019a8b9b4a.js10 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

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
17 fonts (497 KB)
PASS
17 fonts (497 KB)
Info::
17 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

17

497 KB total

Render-blocking

0

of 17

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s FCP 1.0 s LCP 1.8 shttps://assets.latribune.fr/prod/_next/static/media/0efbdbbe71180245-s.p.20eb51b1.woff20efbdbbe71180245-s.p.20... https://assets.latribune.fr/prod/_next/static/media/0efbdbbe71180245-s.p.20eb51b1.woff2 — 12.7 KiB — 114 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/512eb05b535c873e-s.p.12f9604c.woff2512eb05b535c873e-s.p.12... https://assets.latribune.fr/prod/_next/static/media/512eb05b535c873e-s.p.12f9604c.woff2 — 12.5 KiB — 136 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/6bd983bd58a87a3d-s.p.cf80dd39.woff26bd983bd58a87a3d-s.p.cf... https://assets.latribune.fr/prod/_next/static/media/6bd983bd58a87a3d-s.p.cf80dd39.woff2 — 25.2 KiB — 95 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/83afe278b6a6bb3c-s.p.3a6ba036.woff283afe278b6a6bb3c-s.p.3a... https://assets.latribune.fr/prod/_next/static/media/83afe278b6a6bb3c-s.p.3a6ba036.woff2 — 47.7 KiB — 112 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_Black-s.p.b936c63d.otfStriverText_Black-s.p.b... https://assets.latribune.fr/prod/_next/static/media/StriverText_Black-s.p.b936c63d.otf — 28.8 KiB — 145 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_BlackItalic-s.p.477788f4.otfStriverText_BlackItalic... https://assets.latribune.fr/prod/_next/static/media/StriverText_BlackItalic-s.p.477788f4.otf — 30.2 KiB — 141 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_Bold-s.p.78d6c22a.otfStriverText_Bold-s.p.78... https://assets.latribune.fr/prod/_next/static/media/StriverText_Bold-s.p.78d6c22a.otf — 30.1 KiB — 143 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_BoldItalic-s.p.a572769e.otfStriverText_BoldItalic-... https://assets.latribune.fr/prod/_next/static/media/StriverText_BoldItalic-s.p.a572769e.otf — 31.6 KiB — 140 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_Book-s.p.c54ddbc8.otfStriverText_Book-s.p.c5... https://assets.latribune.fr/prod/_next/static/media/StriverText_Book-s.p.c54ddbc8.otf — 29.6 KiB — 137 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_BookItalic-s.p.5852ac76.otfStriverText_BookItalic-... https://assets.latribune.fr/prod/_next/static/media/StriverText_BookItalic-s.p.5852ac76.otf — 31.3 KiB — 162 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_ExtraBold-s.p.280b0e2d.otfStriverText_ExtraBold-s... https://assets.latribune.fr/prod/_next/static/media/StriverText_ExtraBold-s.p.280b0e2d.otf — 30.1 KiB — 162 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_ExtraBoldItalic-s.p.b345dafd.otfStriverText_ExtraBoldIt... https://assets.latribune.fr/prod/_next/static/media/StriverText_ExtraBoldItalic-s.p.b345dafd.otf — 31.4 KiB — 159 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_Light-s.p.af770a82.otfStriverText_Light-s.p.a... https://assets.latribune.fr/prod/_next/static/media/StriverText_Light-s.p.af770a82.otf — 27.9 KiB — 159 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_LightItalic-s.p.57364bd5.otfStriverText_LightItalic... https://assets.latribune.fr/prod/_next/static/media/StriverText_LightItalic-s.p.57364bd5.otf — 29.5 KiB — 158 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_Medium-s.p.6943bd7d.otfStriverText_Medium-s.p.... https://assets.latribune.fr/prod/_next/static/media/StriverText_Medium-s.p.6943bd7d.otf — 30.4 KiB — 155 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/StriverText_MediumItalic-s.p.4d7dbf9a.otfStriverText_MediumItali... https://assets.latribune.fr/prod/_next/static/media/StriverText_MediumItalic-s.p.4d7dbf9a.otf — 31.6 KiB — 153 ms — font-display: swaphttps://assets.latribune.fr/prod/_next/static/media/e3455d3d95db5f62-s.p.d5d29d40.woff2e3455d3d95db5f62-s.p.d5... https://assets.latribune.fr/prod/_next/static/media/e3455d3d95db5f62-s.p.d5d29d40.woff2 — 36.2 KiB — 160 ms — font-display: swap
0efbdbbe71180245-s.p.20... woff2 swap
Size 13 KB
Load time 114 ms
Start 136 ms
Risk FOUT — text flashes from fallback to web font
512eb05b535c873e-s.p.12... woff2 swap
Size 13 KB
Load time 136 ms
Start 137 ms
Risk FOUT — text flashes from fallback to web font
6bd983bd58a87a3d-s.p.cf... woff2 swap
Size 25 KB
Load time 95 ms
Start 137 ms
Risk FOUT — text flashes from fallback to web font
83afe278b6a6bb3c-s.p.3a... woff2 swap
Size 48 KB
Load time 112 ms
Start 137 ms
Risk FOUT — text flashes from fallback to web font
StriverText_Black-s.p.b... otf swap
Size 29 KB
Load time 145 ms
Start 137 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_BlackItalic... otf swap
Size 30 KB
Load time 141 ms
Start 137 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_Bold-s.p.78... otf swap
Size 30 KB
Load time 143 ms
Start 138 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_BoldItalic-... otf swap
Size 32 KB
Load time 140 ms
Start 138 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_Book-s.p.c5... otf swap
Size 30 KB
Load time 137 ms
Start 139 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_BookItalic-... otf swap
Size 31 KB
Load time 162 ms
Start 139 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_ExtraBold-s... otf swap
Size 30 KB
Load time 162 ms
Start 139 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_ExtraBoldIt... otf swap
Size 31 KB
Load time 159 ms
Start 140 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_Light-s.p.a... otf swap
Size 28 KB
Load time 159 ms
Start 140 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_LightItalic... otf swap
Size 30 KB
Load time 158 ms
Start 140 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_Medium-s.p.... otf swap
Size 30 KB
Load time 155 ms
Start 140 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
StriverText_MediumItali... otf swap
Size 32 KB
Load time 153 ms
Start 141 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
e3455d3d95db5f62-s.p.d5... woff2 swap
Size 36 KB
Load time 160 ms
Start 141 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 ~109 KB and ~218 ms

A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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
107 requests over 1496ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 1.0 s LCP 1.8 shttps://latribune.fr// https://latribune.fr/ — 301 — 179 B — 43 ms — h3https://www.latribune.fr/www.latribune.fr/ https://www.latribune.fr/ — 200 — 97.2 KiB — 137 ms — h3https://assets.latribune.fr/prod/_next/static/media/0efbdbbe71180245-s.p.20eb51b1.woff2assets.latribune.fr/prod/_next/stat... https://assets.latribune.fr/prod/_next/static/media/0efbdbbe71180245-s.p.20eb51b1.woff2 — 200 — 12.7 KiB — 114 ms — h2https://assets.latribune.fr/prod/_next/static/media/512eb05b535c873e-s.p.12f9604c.woff2assets.latribune.fr/prod/_next/stat... https://assets.latribune.fr/prod/_next/static/media/512eb05b535c873e-s.p.12f9604c.woff2 — 200 — 12.5 KiB — 136 ms — h2https://assets.latribune.fr/prod/_next/static/media/6bd983bd58a87a3d-s.p.cf80dd39.woff2assets.latribune.fr/prod/_next/stat... https://assets.latribune.fr/prod/_next/static/media/6bd983bd58a87a3d-s.p.cf80dd39.woff2 — 200 — 25.2 KiB — 95 ms — h2https://assets.latribune.fr/prod/_next/static/media/83afe278b6a6bb3c-s.p.3a6ba036.woff2assets.latribune.fr/prod/_next/stat... https://assets.latribune.fr/prod/_next/static/media/83afe278b6a6bb3c-s.p.3a6ba036.woff2 — 200 — 47.7 KiB — 112 ms — h2https://assets.latribune.fr/prod/_next/static/media/StriverText_Black-s.p.b936c63d.otfassets.latribune.fr/prod/_next/stat... https://assets.latribune.fr/prod/_next/static/media/StriverText_Black-s.p.b936c63d.otf — 200 — 28.8 KiB — 145 ms — h2https://assets.latribune.fr/prod/_next/static/media/StriverText_BlackItalic-s.p.477788f4.otfassets.latribune.fr/prod/_next/stat... https://assets.latribune.fr/prod/_next/static/media/StriverText_BlackItalic-s.p.477788f4.otf — 200 — 30.2 KiB — 141 ms — h2https://assets.latribune.fr/prod/_next/static/media/StriverText_Bold-s.p.78d6c22a.otfassets.latribune.fr/prod/_next/stat... https://assets.latribune.fr/prod/_next/static/media/StriverText_Bold-s.p.78d6c22a.otf — 200 — 30.1 KiB — 143 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 902ms · 218KB · €10/mo
assets.latribune.fr
Other
Costly
Execution 311ms
Transfer 68 KB
Unused 35%
Monthly Cost €3/mo
Unattributable
Other
Costly
Execution 265ms
Transfer 0 KB
Monthly Cost €3/mo
www.latribune.fr
Other
Costly
Execution 201ms
Transfer 97 KB
Monthly Cost €2/mo
sdk.privacy-center.org
Other
Optional
Execution 72ms
Transfer 53 KB
Monthly Cost €1/mo
www.latribune.fr
Other
Optional
Execution 53ms
Transfer 0 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • assets.latribune.fr adds 311ms and costs ~€3/month
  • Unattributable adds 265ms and costs ~€3/month
  • www.latribune.fr adds 201ms 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

assets.latribune.fr takes 311ms 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 265ms 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.latribune.fr takes 201ms 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

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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