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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
85
GRADE
B
FIX
1
REVIEW
5
PASS
7
INFO
2

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

Mobile Desktop
75
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
84
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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

337 ms

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

377 ms

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

7 ms

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

0.942

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

1.03 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.

1.19 s

Page Load Progression

429 ms
858 ms
1.3 s
1.7 s
2.1 s
2.6 s
3.0 s
3.4 s
Checks
15
7 PASS 5 REVIEW 1 FIX
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
1.2 MB transferred, 51 requests
REVIEW
1.2 MB transferred, 51 requests
Info::
Page weighs 2.9 MB (1.2 MB transferred)
Warning::
JavaScript is 612 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 612 KB
Info::
51 HTTP requests
Info::
Estimated 0.26 g CO2 per page load
1.2 MB / 2.4 MB budget
1.2 MB transferred
51 requests
0.26 g CO2 per page load
JavaScript 612.3 KiB 48%
Images 448.7 KiB 35%
Fonts 121.5 KiB 9%
Other 42.3 KiB 3%
HTML 38.3 KiB 3%
CSS 10.9 KiB 1%
Other 2.9 KiB 0%
Other 2.2 KiB 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

B
Image Optimization
9 images, 0 KB saveable
REVIEW
9 images, 0 KB saveable
Info::
All images are well-optimized
9 images 449 KB
0 oversized -0 KB
9 legacy format
0 missing dimensions CLS risk
B
JS Execution Cost
696ms total JS execution
REVIEW
696ms total JS execution
Warning::
https://applovin.com/_next/static/chunks/3103-22ff...: 302ms CPU time
Info::
Unattributable: 122ms CPU time
Info::
https://cdn.cookielaw.org/scripttemplates/202509.1...: 107ms CPU time
Info::
https://applovin.com/en: 103ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-5WH...: 62ms CPU time
Info::
Third-party scripts: 292ms (42% of total)

Main Thread Breakdown

Script Evaluation 45% Other 23% Script Parsing & Compilation 11% Rendering 10% Style & Layout 7%
ScriptTotalScriptingParse/CompileParty
https://applovin.com/_next/static/chunks/3103-22ffce6d2dbb9bd7.js302ms172ms11ms1st
Unattributable122ms23ms0ms3rd
https://cdn.cookielaw.org/scripttemplates/202509.1.0/otBannerSdk.js107ms66ms34ms3rd
https://applovin.com/en103ms2ms5ms1st
https://www.googletagmanager.com/gtm.js?id=GTM-5WHQPK962ms48ms12ms3rd
C
JS Bundles
Action
24 scripts, 258 KB unused
REVIEW
24 scripts, 258 KB unused
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-5WH...: 90 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.cookielaw.org/scripttemplates/202509.1...: 66 KB unused (54%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://applovin.com/_next/static/chunks/3103-22ff...: 53 KB unused (44%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://applovin.com/_next/static/chunks/5234-05de...: 50 KB unused (85%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 258 KB
258 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtm.js?id=GTM-5WHQPK9170 KB90 KB (53%)✓3rd
https://cdn.cookielaw.org/scripttemplates/202509.1.0/otBannerSdk.js122 KB66 KB (54%)✓3rd
https://applovin.com/_next/static/chunks/3103-22ffce6d2dbb9bd7.js119 KB53 KB (44%)✓1st
https://applovin.com/_next/static/chunks/5234-05de590c57e69030.js58 KB50 KB (85%)✓1st
https://applovin.com/_next/static/chunks/43b1f4f6-5c7d42f58cd4683d.js1 KB—✓1st
https://applovin.com/_next/static/chunks/b3b0afd2-2b468d5aa303282d.js1 KB—✓1st
https://applovin.com/_next/static/chunks/app/global-error-e4e4809f326afe27.js3 KB—✓1st
https://applovin.com/_next/static/chunks/de543e8d-e6b5e5cda8de4268.js53 KB—✓1st
https://applovin.com/_next/static/chunks/6528-f977c08c4c8220a4.js5 KB—✓1st
https://applovin.com/_next/static/chunks/7384-93b64f58ea7b2229.js14 KB—✓1st

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
51 resources · 1.2 MB · 258 KB savings available
REVIEW
51 resources · 1.2 MB · 258 KB savings available
Warning::
Page weight 255 KB over 1MB target
Got: 1.2 MB Expected: ≤ 1 MB
Info::
~258 KB of savings available
Info::
15 third-party resources (27% of weight)
51 resources · 1.2 MiB · 15 third-party 255.0 KiB over 1MB target
JavaScript 48% · 612.3 KiB
Image 35% · 451.0 KiB
Font 9% · 121.5 KiB
Other 3% · 40.6 KiB
Document 3% · 38.3 KiB
CSS 1% · 15.4 KiB

~258.3 KiB of savings available

Remove unused JavaScript: 258.3 KiB
A
Third-Party Impact
27% third-party, 0 ms blocking
PASS
27% third-party, 0 ms blocking
Info::
Third-party code accounts for 27% of page weight (345.3 KiB of 1.2 MiB)
Info::
Third-party blocking time is low (0 ms)
73%
27%
First-party Third-party
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 (121 KB)
PASS
2 fonts (121 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

121 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 337 ms LCP 377 mshttps://applovin.com/_next/static/media/13971731025ec697-s.p.woff213971731025ec697-s.p.woff2 https://applovin.com/_next/static/media/13971731025ec697-s.p.woff2 — 36.1 KiB — 34 ms — font-display: swaphttps://applovin.com/fonts/Mont/MontBold_normal_normal.woff2MontBold_normal_normal.... https://applovin.com/fonts/Mont/MontBold_normal_normal.woff2 — 85.4 KiB — 40 ms — font-display: swap
13971731025ec697-s.p.woff2 woff2 swap
Size 36 KB
Load time 34 ms
Start 381 ms
Risk FOUT — text flashes from fallback to web font
MontBold_normal_normal.... woff2 swap
Size 85 KB
Load time 40 ms
Start 426 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+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Google Cloud

Network Waterfall
51 requests over 1119ms
INFO
0 ms 500 ms 1.0 s FCP 337 ms LCP 377 mshttps://applovin.com// https://applovin.com/ — 307 — 400 B — 183 ms — h2https://applovin.com/en/en https://applovin.com/en — 200 — 38.3 KiB — 221 ms — h2https://applovin.com/_next/static/media/13971731025ec697-s.p.woff2/_next/static/media/13971731025ec69... https://applovin.com/_next/static/media/13971731025ec697-s.p.woff2 — 200 — 36.1 KiB — 34 ms — h3https://applovin.com/_next/static/css/9fc85ac468edf170.css/_next/static/css/9fc85ac468edf170.... https://applovin.com/_next/static/css/9fc85ac468edf170.css — 200 — 10.9 KiB — 22 ms — h3https://cdn.cookielaw.org/scripttemplates/otSDKStub.jscdn.cookielaw.org/scripttemplates/o... https://cdn.cookielaw.org/scripttemplates/otSDKStub.js — 200 — 9.1 KiB — 77 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-5WHQPK9www.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-5WHQPK9 — 200 — 170.0 KiB — 282 ms — h2https://applovin.com/_next/static/chunks/webpack-5f52341ff3882283.js/_next/static/chunks/webpack-5f5234... https://applovin.com/_next/static/chunks/webpack-5f52341ff3882283.js — 200 — 2.3 KiB — 21 ms — h3https://applovin.com/_next/static/chunks/de543e8d-e6b5e5cda8de4268.js/_next/static/chunks/de543e8d-e6b5e... https://applovin.com/_next/static/chunks/de543e8d-e6b5e5cda8de4268.js — 200 — 53.4 KiB — 94 ms — h3https://applovin.com/_next/static/chunks/3103-22ffce6d2dbb9bd7.js/_next/static/chunks/3103-22ffce6d2... https://applovin.com/_next/static/chunks/3103-22ffce6d2dbb9bd7.js — 200 — 119.2 KiB — 109 ms — h3https://applovin.com/_next/static/chunks/main-app-740bfecd8b8c46d3.js/_next/static/chunks/main-app-740bf... https://applovin.com/_next/static/chunks/main-app-740bfecd8b8c46d3.js — 200 — 1.6 KiB — 33 ms — h3https://applovin.com/_next/static/chunks/app/global-error-e4e4809f326afe27.js/_next/static/chunks/app/global-err... https://applovin.com/_next/static/chunks/app/global-error-e4e4809f326afe27.js — 200 — 2.8 KiB — 33 ms — h3https://applovin.com/_next/static/chunks/5234-05de590c57e69030.js/_next/static/chunks/5234-05de590c5... https://applovin.com/_next/static/chunks/5234-05de590c57e69030.js — 200 — 58.1 KiB — 96 ms — h3https://applovin.com/_next/static/chunks/6528-f977c08c4c8220a4.js/_next/static/chunks/6528-f977c08c4... https://applovin.com/_next/static/chunks/6528-f977c08c4c8220a4.js — 200 — 5.5 KiB — 77 ms — h3https://applovin.com/_next/static/chunks/7384-93b64f58ea7b2229.js/_next/static/chunks/7384-93b64f58e... https://applovin.com/_next/static/chunks/7384-93b64f58ea7b2229.js — 200 — 14.4 KiB — 78 ms — h3https://applovin.com/_next/static/chunks/app/%5Blang%5D/page-4808a03e3f513e8f.js/_next/static/chunks/app/%5Blang%5D... https://applovin.com/_next/static/chunks/app/%5Blang%5D/page-4808a03e3f513e8f.js — 200 — 2.2 KiB — 71 ms — h3https://applovin.com/_next/static/chunks/f5126d6c-f0169fb8c45694c6.js/_next/static/chunks/f5126d6c-f0169... https://applovin.com/_next/static/chunks/f5126d6c-f0169fb8c45694c6.js — 200 — 1012 B — 80 ms — h3https://applovin.com/_next/static/chunks/43b1f4f6-5c7d42f58cd4683d.js/_next/static/chunks/43b1f4f6-5c7d4... https://applovin.com/_next/static/chunks/43b1f4f6-5c7d42f58cd4683d.js — 200 — 1.2 KiB — 79 ms — h3https://applovin.com/_next/static/chunks/b3b0afd2-2b468d5aa303282d.js/_next/static/chunks/b3b0afd2-2b468... https://applovin.com/_next/static/chunks/b3b0afd2-2b468d5aa303282d.js — 200 — 1.1 KiB — 76 ms — h3https://applovin.com/_next/static/chunks/7643-b5949c406a603ddc.js/_next/static/chunks/7643-b5949c406... https://applovin.com/_next/static/chunks/7643-b5949c406a603ddc.js — 200 — 2.8 KiB — 69 ms — h3https://applovin.com/_next/static/chunks/app/layout-bb24ee60baf57270.js/_next/static/chunks/app/layout-bb2... https://applovin.com/_next/static/chunks/app/layout-bb24ee60baf57270.js — 200 — 16.4 KiB — 63 ms — h3https://applovin.com/img-home-product-axon.jpg/img-home-product-axon.jpg https://applovin.com/img-home-product-axon.jpg — 200 — 142.4 KiB — 100 ms — h3https://applovin.com/img-home-product-wurl.jpg/img-home-product-wurl.jpg https://applovin.com/img-home-product-wurl.jpg — 200 — 112.1 KiB — 99 ms — h3https://applovin.com/img-home-product-adjust.jpg/img-home-product-adjust.jpg https://applovin.com/img-home-product-adjust.jpg — 200 — 186.4 KiB — 107 ms — h3https://applovin.com/fonts/Mont/MontBold_normal_normal.woff2/fonts/Mont/MontBold_normal_normal.... https://applovin.com/fonts/Mont/MontBold_normal_normal.woff2 — 200 — 85.4 KiB — 40 ms — h3https://applovin.com/logos/logo-axon.svg/logos/logo-axon.svg https://applovin.com/logos/logo-axon.svg — 200 — 1.7 KiB — 64 ms — h3https://applovin.com/logos/logo-wurl.svg/logos/logo-wurl.svg https://applovin.com/logos/logo-wurl.svg — 200 — 601 B — 65 ms — h3https://applovin.com/logos/logo-adjust.svg/logos/logo-adjust.svg https://applovin.com/logos/logo-adjust.svg — 200 — 991 B — 64 ms — h3https://applovin.com/icon.svg?1d307f6bec841c1a/icon.svg?1d307f6bec841c1a https://applovin.com/icon.svg?1d307f6bec841c1a — 200 — 1.8 KiB — 126 ms — h3https://applovin.com/a-ad-manager/advert.js?cb=1776359167517/a-ad-manager/advert.js?cb=17763591... https://applovin.com/a-ad-manager/advert.js?cb=1776359167517 — 200 — 91 B — 317 ms — h3https://applovin.com/en/newsroom?_rsc=1lni6/en/newsroom?_rsc=1lni6 https://applovin.com/en/newsroom?_rsc=1lni6 — 200 — 3.9 KiB — 132 ms — h3
0 ms 500 ms 1.0 s FCP 337 ms LCP 377 mshttps://applovin.com// https://applovin.com/ — 307 — 400 B — 183 ms — h2https://applovin.com/en/en https://applovin.com/en — 200 — 38.3 KiB — 221 ms — h2https://applovin.com/_next/static/media/13971731025ec697-s.p.woff2/_next/static/media/13971731025ec69... https://applovin.com/_next/static/media/13971731025ec697-s.p.woff2 — 200 — 36.1 KiB — 34 ms — h3https://applovin.com/_next/static/css/9fc85ac468edf170.css/_next/static/css/9fc85ac468edf170.... https://applovin.com/_next/static/css/9fc85ac468edf170.css — 200 — 10.9 KiB — 22 ms — h3https://cdn.cookielaw.org/scripttemplates/otSDKStub.jscdn.cookielaw.org/scripttemplates/o... https://cdn.cookielaw.org/scripttemplates/otSDKStub.js — 200 — 9.1 KiB — 77 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-5WHQPK9www.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-5WHQPK9 — 200 — 170.0 KiB — 282 ms — h2https://applovin.com/_next/static/chunks/webpack-5f52341ff3882283.js/_next/static/chunks/webpack-5f5234... https://applovin.com/_next/static/chunks/webpack-5f52341ff3882283.js — 200 — 2.3 KiB — 21 ms — h3https://applovin.com/_next/static/chunks/de543e8d-e6b5e5cda8de4268.js/_next/static/chunks/de543e8d-e6b5e... https://applovin.com/_next/static/chunks/de543e8d-e6b5e5cda8de4268.js — 200 — 53.4 KiB — 94 ms — h3https://applovin.com/_next/static/chunks/3103-22ffce6d2dbb9bd7.js/_next/static/chunks/3103-22ffce6d2... https://applovin.com/_next/static/chunks/3103-22ffce6d2dbb9bd7.js — 200 — 119.2 KiB — 109 ms — h3https://applovin.com/_next/static/chunks/main-app-740bfecd8b8c46d3.js/_next/static/chunks/main-app-740bf... https://applovin.com/_next/static/chunks/main-app-740bfecd8b8c46d3.js — 200 — 1.6 KiB — 33 ms — h3https://applovin.com/_next/static/chunks/app/global-error-e4e4809f326afe27.js/_next/static/chunks/app/global-err... https://applovin.com/_next/static/chunks/app/global-error-e4e4809f326afe27.js — 200 — 2.8 KiB — 33 ms — h3https://applovin.com/_next/static/chunks/5234-05de590c57e69030.js/_next/static/chunks/5234-05de590c5... https://applovin.com/_next/static/chunks/5234-05de590c57e69030.js — 200 — 58.1 KiB — 96 ms — h3https://applovin.com/_next/static/chunks/6528-f977c08c4c8220a4.js/_next/static/chunks/6528-f977c08c4... https://applovin.com/_next/static/chunks/6528-f977c08c4c8220a4.js — 200 — 5.5 KiB — 77 ms — h3https://applovin.com/_next/static/chunks/7384-93b64f58ea7b2229.js/_next/static/chunks/7384-93b64f58e... https://applovin.com/_next/static/chunks/7384-93b64f58ea7b2229.js — 200 — 14.4 KiB — 78 ms — h3https://applovin.com/_next/static/chunks/app/%5Blang%5D/page-4808a03e3f513e8f.js/_next/static/chunks/app/%5Blang%5D... https://applovin.com/_next/static/chunks/app/%5Blang%5D/page-4808a03e3f513e8f.js — 200 — 2.2 KiB — 71 ms — h3https://applovin.com/_next/static/chunks/f5126d6c-f0169fb8c45694c6.js/_next/static/chunks/f5126d6c-f0169... https://applovin.com/_next/static/chunks/f5126d6c-f0169fb8c45694c6.js — 200 — 1012 B — 80 ms — h3https://applovin.com/_next/static/chunks/43b1f4f6-5c7d42f58cd4683d.js/_next/static/chunks/43b1f4f6-5c7d4... https://applovin.com/_next/static/chunks/43b1f4f6-5c7d42f58cd4683d.js — 200 — 1.2 KiB — 79 ms — h3https://applovin.com/_next/static/chunks/b3b0afd2-2b468d5aa303282d.js/_next/static/chunks/b3b0afd2-2b468... https://applovin.com/_next/static/chunks/b3b0afd2-2b468d5aa303282d.js — 200 — 1.1 KiB — 76 ms — h3https://applovin.com/_next/static/chunks/7643-b5949c406a603ddc.js/_next/static/chunks/7643-b5949c406... https://applovin.com/_next/static/chunks/7643-b5949c406a603ddc.js — 200 — 2.8 KiB — 69 ms — h3https://applovin.com/_next/static/chunks/app/layout-bb24ee60baf57270.js/_next/static/chunks/app/layout-bb2... https://applovin.com/_next/static/chunks/app/layout-bb24ee60baf57270.js — 200 — 16.4 KiB — 63 ms — h3https://applovin.com/img-home-product-axon.jpg/img-home-product-axon.jpg https://applovin.com/img-home-product-axon.jpg — 200 — 142.4 KiB — 100 ms — h3https://applovin.com/img-home-product-wurl.jpg/img-home-product-wurl.jpg https://applovin.com/img-home-product-wurl.jpg — 200 — 112.1 KiB — 99 ms — h3https://applovin.com/img-home-product-adjust.jpg/img-home-product-adjust.jpg https://applovin.com/img-home-product-adjust.jpg — 200 — 186.4 KiB — 107 ms — h3https://applovin.com/fonts/Mont/MontBold_normal_normal.woff2/fonts/Mont/MontBold_normal_normal.... https://applovin.com/fonts/Mont/MontBold_normal_normal.woff2 — 200 — 85.4 KiB — 40 ms — h3https://applovin.com/logos/logo-axon.svg/logos/logo-axon.svg https://applovin.com/logos/logo-axon.svg — 200 — 1.7 KiB — 64 ms — h3https://applovin.com/logos/logo-wurl.svg/logos/logo-wurl.svg https://applovin.com/logos/logo-wurl.svg — 200 — 601 B — 65 ms — h3https://applovin.com/logos/logo-adjust.svg/logos/logo-adjust.svg https://applovin.com/logos/logo-adjust.svg — 200 — 991 B — 64 ms — h3https://applovin.com/icon.svg?1d307f6bec841c1a/icon.svg?1d307f6bec841c1a https://applovin.com/icon.svg?1d307f6bec841c1a — 200 — 1.8 KiB — 126 ms — h3https://applovin.com/a-ad-manager/advert.js?cb=1776359167517/a-ad-manager/advert.js?cb=17763591... https://applovin.com/a-ad-manager/advert.js?cb=1776359167517 — 200 — 91 B — 317 ms — h3https://applovin.com/en/newsroom?_rsc=1lni6/en/newsroom?_rsc=1lni6 https://applovin.com/en/newsroom?_rsc=1lni6 — 200 — 3.9 KiB — 132 ms — h3https://applovin.com/en/leadership?_rsc=1lni6/en/leadership?_rsc=1lni6 https://applovin.com/en/leadership?_rsc=1lni6 — 200 — 1.2 KiB — 349 ms — h3https://applovin.com/en/careers?_rsc=1lni6/en/careers?_rsc=1lni6 https://applovin.com/en/careers?_rsc=1lni6 — 200 — 27 B — 321 ms — h3https://cdn.cookielaw.org/consent/cca15a91-3135-492a-bb04-4016d17bc118/cca15a91-3135-492a-bb04-4016d17bc118.jsoncdn.cookielaw.org/consent/cca15a91-... 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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
42% of JavaScript execution is third-party
First-party Third-party 292ms · 292KB · $4/mo
Unattributable
Other
Optional
Execution 122ms
Transfer 0 KB
Monthly Cost $2/mo
OneTrust
Consent
Essential
Execution 107ms
Transfer 122 KB
Unused 54%
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 62ms
Transfer 170 KB
Unused 53%
Monthly Cost $1/mo

42% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

54% of OneTrust's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

53% of Google Tag Manager'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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