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https://luma.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
5
REVIEW
1
PASS
9
INFO
2

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

Mobile Desktop
56
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
87
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.
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.

1.10 s

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

4.40 s

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

1.29 s

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

0.118

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

1.47 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.

9.45 s

Page Load Progression

454 ms
908 ms
1.4 s
1.8 s
2.3 s
2.7 s
3.2 s
3.6 s
Checks
17
9 PASS 1 REVIEW 5 FIX
F
Page Weight Budget
Action
3.0 MB transferred, 88 requests
FIX
3.0 MB transferred, 88 requests
Warning::
Page weighs 6.0 MB (3.0 MB transferred)
Warning::
JavaScript is 1.3 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.3 MB
Info::
88 HTTP requests
Info::
Estimated 0.64 g CO2 per page load
3.0 MB / 2.4 MB budget
3.0 MB transferred
88 requests
0.64 g CO2 per page load
Other 1.7 MiB 56%
JavaScript 1.3 MiB 43%
CSS 28.8 KiB 1%
HTML 10.1 KiB 0%
Other 1.9 KiB 0%
Other 1021 B 0%
Other 795 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over 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

D
JS Execution Cost
Action
3495ms total JS execution
FIX
3495ms total JS execution
Warning::
https://luma.com/_next/static/chunks/turbopack-cc4...: 746ms CPU time
Warning::
https://luma.com/: 714ms CPU time
Warning::
Unattributable: 689ms CPU time
Warning::
https://luma.com/_next/static/chunks/202a07b052788...: 429ms CPU time
Warning::
https://luma.com/_next/static/chunks/b3661c2c16366...: 309ms CPU time
Info::
Third-party scripts: 689ms (20% of total)

Main Thread Breakdown

Script Evaluation 46% Other 21% Script Parsing & Compilation 17% Style & Layout 13%
ScriptTotalScriptingParse/CompileParty
https://luma.com/_next/static/chunks/turbopack-cc4bcc45af67f4fc.js746ms741ms3ms1st
https://luma.com/714ms8ms2ms1st
Unattributable689ms29ms0ms3rd
https://luma.com/_next/static/chunks/202a07b052788dd9.js429ms378ms37ms1st
https://luma.com/_next/static/chunks/b3661c2c1636611a.js309ms300ms8ms1st
https://luma.com/_next/static/chunks/17aaca23f12e3510.js265ms190ms1ms1st
https://luma.com/_next/static/chunks/turbopack-9cc01bdf6c783d47.js113ms111ms1ms1st
https://luma.com/_next/static/chunks/d58f3b7ce4d6c62f.js109ms43ms2ms1st
https://luma.com/_next/static/chunks/ea127380585c5092.js67ms1ms64ms1st
https://luma.com/_next/static/chunks/833df9825d4ef157.js53ms2ms51ms1st
D
JS Bundles
Action
76 scripts, 344 KB unused
FIX
76 scripts, 344 KB unused
Warning::
https://luma.com/_next/static/chunks/9b0a8601db1fd...: 61 KB unused (93%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://luma.com/_next/static/chunks/ea127380585c5...: 52 KB unused (81%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://luma.com/_next/static/chunks/b3719a52b3a52...: 45 KB unused (99%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://luma.com/_next/static/chunks/21ed8889f3e1f...: 30 KB unused (66%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://luma.com/_next/static/chunks/3ec9bad7956d7...: 27 KB unused (99%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 344 KB
344 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://luma.com/_next/static/chunks/9b0a8601db1fd226.js66 KB61 KB (93%)✓1st
https://luma.com/_next/static/chunks/ea127380585c5092.js68 KB52 KB (81%)✓1st
https://luma.com/_next/static/chunks/b3719a52b3a527e2.js46 KB45 KB (99%)✓1st
https://luma.com/_next/static/chunks/21ed8889f3e1f0e6.js46 KB30 KB (66%)✓1st
https://luma.com/_next/static/chunks/3ec9bad7956d7997.js27 KB27 KB (99%)✓1st
https://luma.com/_next/static/chunks/27ee58808e8ddc0c.js47 KB23 KB (50%)✓1st
https://luma.com/_next/static/chunks/18e7943844d83a7c.js24 KB22 KB (92%)✓1st
https://luma.com/_next/static/chunks/370232465324561a.js23 KB22 KB (95%)✓1st
https://luma.com/_next/static/chunks/202a07b052788dd9.js57 KB21 KB (37%)✓1st
https://luma.com/_next/static/chunks/3dbead1a4f884a47.js23 KB20 KB (90%)✓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

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

D
Page Weight Inventory
Action
88 resources · 3.0 MB · 344 KB savings available
FIX
88 resources · 3.0 MB · 344 KB savings available
Warning::
Page weight 2.0 MB over 1MB target
Got: 3.0 MB Expected: ≤ 1 MB
Info::
~344 KB of savings available
Warning::
7 third-party resources (56% of weight)
Info::
2 resources over 200KB
88 resources · 3.0 MiB · 7 third-party 2.0 MiB over 1MB target
Media 56% · 1.7 MiB
JavaScript 43% · 1.3 MiB
CSS 1% · 28.8 KiB
Document 0% · 10.1 KiB
Other 0% · 1.8 KiB
Image 0% · 1.1 KiB

~344.0 KiB of savings available

Remove unused JavaScript: 344.0 KiB
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: private, no-cache, no-store, max-age=0, must-revalidate
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

private, no-cache, no-store, max-age=0, must-revalidate

DirectiveValueMeaning
private—Only browser cache, not CDN/proxy
no-cache—Cache but always revalidate first
no-store—Never cache this response
max-age0Cache for 0 seconds
must-revalidate—Must recheck with server after expiry
B
Third-Party Impact
56% third-party, 0 ms blocking
REVIEW
56% third-party, 0 ms blocking
Warning::
Third-party code accounts for 56% of page weight (1.7 MiB of 3.0 MiB)
Info::
Third-party blocking time is low (0 ms)
44%
56%
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+
Image Optimization
No images on this page
PASS
No images on this page
Info::
No images on this page
0 images 0 KB
0 oversized -0 KB
0 legacy format
0 missing dimensions CLS risk
A+
Font Loading
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
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
1 hints, 0 missing preconnects
PASS
1 hints, 0 missing preconnects
Info::
Page uses 1 resource hint(s)

Current Resource Hints

preconnect
—
preload
1
dns-prefetch
—
prefetch
—

1 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
88 requests over 1317ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 1.1 s LCP 4.4 shttps://luma.com// https://luma.com/ — 200 — 10.1 KiB — 87 ms — h2https://luma.com/_next/static/chunks/cb09804cf3a08c03.css/_next/static/chunks/cb09804cf3a08c... https://luma.com/_next/static/chunks/cb09804cf3a08c03.css — 200 — 28.8 KiB — 26 ms — h2https://luma.com/_next/static/chunks/84ec63c45eb13141.js/_next/static/chunks/84ec63c45eb131... https://luma.com/_next/static/chunks/84ec63c45eb13141.js — 200 — 12.4 KiB — 48 ms — h2https://luma.com/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js/cdn-cgi/scripts/5c5dd728/cloudflar... https://luma.com/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js — 200 — 764 B — 8 ms — h2https://luma.com/_next/static/chunks/9f6d089c563c7211.js/_next/static/chunks/9f6d089c563c72... https://luma.com/_next/static/chunks/9f6d089c563c7211.js — 200 — 12.2 KiB — 177 ms — h2https://luma.com/_next/static/chunks/e4b28d1d8106d1d8.js/_next/static/chunks/e4b28d1d8106d1... https://luma.com/_next/static/chunks/e4b28d1d8106d1d8.js — 200 — 13.6 KiB — 179 ms — h2https://luma.com/_next/static/chunks/c5f0fe2bb81a8474.js/_next/static/chunks/c5f0fe2bb81a84... https://luma.com/_next/static/chunks/c5f0fe2bb81a8474.js — 200 — 12.6 KiB — 180 ms — h2https://luma.com/_next/static/chunks/d58f3b7ce4d6c62f.js/_next/static/chunks/d58f3b7ce4d6c6... https://luma.com/_next/static/chunks/d58f3b7ce4d6c62f.js — 200 — 8.7 KiB — 180 ms — h2https://luma.com/_next/static/chunks/9d30aa228a04e7c8.js/_next/static/chunks/9d30aa228a04e7... https://luma.com/_next/static/chunks/9d30aa228a04e7c8.js — 200 — 19.7 KiB — 182 ms — h2https://luma.com/_next/static/chunks/4e46a48761e32cb9.js/_next/static/chunks/4e46a48761e32c... https://luma.com/_next/static/chunks/4e46a48761e32cb9.js — 200 — 46.9 KiB — 185 ms — h2https://luma.com/_next/static/chunks/1cb6f1ab6102114c.js/_next/static/chunks/1cb6f1ab610211... https://luma.com/_next/static/chunks/1cb6f1ab6102114c.js — 200 — 17.0 KiB — 182 ms — h2https://luma.com/_next/static/chunks/3102934ad836f69b.js/_next/static/chunks/3102934ad836f6... https://luma.com/_next/static/chunks/3102934ad836f69b.js — 200 — 12.0 KiB — 187 ms — h2https://luma.com/_next/static/chunks/24c10ae5ec4ce7a8.js/_next/static/chunks/24c10ae5ec4ce7... https://luma.com/_next/static/chunks/24c10ae5ec4ce7a8.js — 200 — 12.2 KiB — 186 ms — h2https://luma.com/_next/static/chunks/7ad383828e1eb88d.js/_next/static/chunks/7ad383828e1eb8... https://luma.com/_next/static/chunks/7ad383828e1eb88d.js — 200 — 7.2 KiB — 52 ms — h2https://luma.com/_next/static/chunks/c79a621157166b82.js/_next/static/chunks/c79a621157166b... https://luma.com/_next/static/chunks/c79a621157166b82.js — 200 — 51.2 KiB — 59 ms — h2https://luma.com/_next/static/chunks/21ed8889f3e1f0e6.js/_next/static/chunks/21ed8889f3e1f0... https://luma.com/_next/static/chunks/21ed8889f3e1f0e6.js — 200 — 46.1 KiB — 100 ms — h2https://luma.com/_next/static/chunks/ea127380585c5092.js/_next/static/chunks/ea127380585c50... https://luma.com/_next/static/chunks/ea127380585c5092.js — 200 — 68.0 KiB — 187 ms — h2https://luma.com/_next/static/chunks/202a07b052788dd9.js/_next/static/chunks/202a07b052788d... https://luma.com/_next/static/chunks/202a07b052788dd9.js — 200 — 56.5 KiB — 192 ms — h2https://luma.com/_next/static/chunks/27ee58808e8ddc0c.js/_next/static/chunks/27ee58808e8ddc... https://luma.com/_next/static/chunks/27ee58808e8ddc0c.js — 200 — 47.2 KiB — 194 ms — h2https://luma.com/_next/static/chunks/93056d1a55b0f06a.js/_next/static/chunks/93056d1a55b0f0... https://luma.com/_next/static/chunks/93056d1a55b0f06a.js — 200 — 19.9 KiB — 188 ms — h2https://luma.com/_next/static/chunks/d47d173da5aca2b1.js/_next/static/chunks/d47d173da5aca2... https://luma.com/_next/static/chunks/d47d173da5aca2b1.js — 200 — 21.1 KiB — 188 ms — h2https://luma.com/_next/static/chunks/51f562f60dc15b25.js/_next/static/chunks/51f562f60dc15b... https://luma.com/_next/static/chunks/51f562f60dc15b25.js — 200 — 16.7 KiB — 190 ms — h2https://luma.com/_next/static/chunks/6a6a0c03cdec7b06.js/_next/static/chunks/6a6a0c03cdec7b... https://luma.com/_next/static/chunks/6a6a0c03cdec7b06.js — 200 — 14.5 KiB — 194 ms — h2https://luma.com/_next/static/chunks/766d7b6e60ffc9e1.js/_next/static/chunks/766d7b6e60ffc9... https://luma.com/_next/static/chunks/766d7b6e60ffc9e1.js — 200 — 13.8 KiB — 194 ms — h2https://luma.com/_next/static/chunks/583bcf12c62ab7e2.js/_next/static/chunks/583bcf12c62ab7... https://luma.com/_next/static/chunks/583bcf12c62ab7e2.js — 200 — 17.1 KiB — 197 ms — h2https://luma.com/_next/static/chunks/3128540d9cefd3d5.js/_next/static/chunks/3128540d9cefd3... https://luma.com/_next/static/chunks/3128540d9cefd3d5.js — 200 — 10.6 KiB — 198 ms — h2https://luma.com/_next/static/chunks/e05284e563166cae.js/_next/static/chunks/e05284e563166c... https://luma.com/_next/static/chunks/e05284e563166cae.js — 200 — 23.4 KiB — 199 ms — h2https://luma.com/_next/static/chunks/turbopack-cc4bcc45af67f4fc.js/_next/static/chunks/turbopack-cc4b... https://luma.com/_next/static/chunks/turbopack-cc4bcc45af67f4fc.js — 200 — 4.9 KiB — 198 ms — h2https://luma.com/_next/static/chunks/56ed2c82d392a0c8.js/_next/static/chunks/56ed2c82d392a0... https://luma.com/_next/static/chunks/56ed2c82d392a0c8.js — 200 — 12.2 KiB — 204 ms — h2https://luma.com/_next/static/chunks/53024e62c631072b.js/_next/static/chunks/53024e62c63107... https://luma.com/_next/static/chunks/53024e62c631072b.js — 200 — 9.4 KiB — 204 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 1.1 s LCP 4.4 shttps://luma.com// https://luma.com/ — 200 — 10.1 KiB — 87 ms — h2https://luma.com/_next/static/chunks/cb09804cf3a08c03.css/_next/static/chunks/cb09804cf3a08c... https://luma.com/_next/static/chunks/cb09804cf3a08c03.css — 200 — 28.8 KiB — 26 ms — h2https://luma.com/_next/static/chunks/84ec63c45eb13141.js/_next/static/chunks/84ec63c45eb131... https://luma.com/_next/static/chunks/84ec63c45eb13141.js — 200 — 12.4 KiB — 48 ms — h2https://luma.com/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js/cdn-cgi/scripts/5c5dd728/cloudflar... https://luma.com/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js — 200 — 764 B — 8 ms — h2https://luma.com/_next/static/chunks/9f6d089c563c7211.js/_next/static/chunks/9f6d089c563c72... https://luma.com/_next/static/chunks/9f6d089c563c7211.js — 200 — 12.2 KiB — 177 ms — h2https://luma.com/_next/static/chunks/e4b28d1d8106d1d8.js/_next/static/chunks/e4b28d1d8106d1... https://luma.com/_next/static/chunks/e4b28d1d8106d1d8.js — 200 — 13.6 KiB — 179 ms — h2https://luma.com/_next/static/chunks/c5f0fe2bb81a8474.js/_next/static/chunks/c5f0fe2bb81a84... https://luma.com/_next/static/chunks/c5f0fe2bb81a8474.js — 200 — 12.6 KiB — 180 ms — h2https://luma.com/_next/static/chunks/d58f3b7ce4d6c62f.js/_next/static/chunks/d58f3b7ce4d6c6... https://luma.com/_next/static/chunks/d58f3b7ce4d6c62f.js — 200 — 8.7 KiB — 180 ms — h2https://luma.com/_next/static/chunks/9d30aa228a04e7c8.js/_next/static/chunks/9d30aa228a04e7... https://luma.com/_next/static/chunks/9d30aa228a04e7c8.js — 200 — 19.7 KiB — 182 ms — h2https://luma.com/_next/static/chunks/4e46a48761e32cb9.js/_next/static/chunks/4e46a48761e32c... https://luma.com/_next/static/chunks/4e46a48761e32cb9.js — 200 — 46.9 KiB — 185 ms — h2https://luma.com/_next/static/chunks/1cb6f1ab6102114c.js/_next/static/chunks/1cb6f1ab610211... https://luma.com/_next/static/chunks/1cb6f1ab6102114c.js — 200 — 17.0 KiB — 182 ms — h2https://luma.com/_next/static/chunks/3102934ad836f69b.js/_next/static/chunks/3102934ad836f6... https://luma.com/_next/static/chunks/3102934ad836f69b.js — 200 — 12.0 KiB — 187 ms — h2https://luma.com/_next/static/chunks/24c10ae5ec4ce7a8.js/_next/static/chunks/24c10ae5ec4ce7... https://luma.com/_next/static/chunks/24c10ae5ec4ce7a8.js — 200 — 12.2 KiB — 186 ms — h2https://luma.com/_next/static/chunks/7ad383828e1eb88d.js/_next/static/chunks/7ad383828e1eb8... https://luma.com/_next/static/chunks/7ad383828e1eb88d.js — 200 — 7.2 KiB — 52 ms — h2https://luma.com/_next/static/chunks/c79a621157166b82.js/_next/static/chunks/c79a621157166b... https://luma.com/_next/static/chunks/c79a621157166b82.js — 200 — 51.2 KiB — 59 ms — h2https://luma.com/_next/static/chunks/21ed8889f3e1f0e6.js/_next/static/chunks/21ed8889f3e1f0... https://luma.com/_next/static/chunks/21ed8889f3e1f0e6.js — 200 — 46.1 KiB — 100 ms — h2https://luma.com/_next/static/chunks/ea127380585c5092.js/_next/static/chunks/ea127380585c50... https://luma.com/_next/static/chunks/ea127380585c5092.js — 200 — 68.0 KiB — 187 ms — h2https://luma.com/_next/static/chunks/202a07b052788dd9.js/_next/static/chunks/202a07b052788d... https://luma.com/_next/static/chunks/202a07b052788dd9.js — 200 — 56.5 KiB — 192 ms — h2https://luma.com/_next/static/chunks/27ee58808e8ddc0c.js/_next/static/chunks/27ee58808e8ddc... https://luma.com/_next/static/chunks/27ee58808e8ddc0c.js — 200 — 47.2 KiB — 194 ms — h2https://luma.com/_next/static/chunks/93056d1a55b0f06a.js/_next/static/chunks/93056d1a55b0f0... https://luma.com/_next/static/chunks/93056d1a55b0f06a.js — 200 — 19.9 KiB — 188 ms — h2https://luma.com/_next/static/chunks/d47d173da5aca2b1.js/_next/static/chunks/d47d173da5aca2... https://luma.com/_next/static/chunks/d47d173da5aca2b1.js — 200 — 21.1 KiB — 188 ms — h2https://luma.com/_next/static/chunks/51f562f60dc15b25.js/_next/static/chunks/51f562f60dc15b... https://luma.com/_next/static/chunks/51f562f60dc15b25.js — 200 — 16.7 KiB — 190 ms — h2https://luma.com/_next/static/chunks/6a6a0c03cdec7b06.js/_next/static/chunks/6a6a0c03cdec7b... https://luma.com/_next/static/chunks/6a6a0c03cdec7b06.js — 200 — 14.5 KiB — 194 ms — h2https://luma.com/_next/static/chunks/766d7b6e60ffc9e1.js/_next/static/chunks/766d7b6e60ffc9... https://luma.com/_next/static/chunks/766d7b6e60ffc9e1.js — 200 — 13.8 KiB — 194 ms — h2https://luma.com/_next/static/chunks/583bcf12c62ab7e2.js/_next/static/chunks/583bcf12c62ab7... https://luma.com/_next/static/chunks/583bcf12c62ab7e2.js — 200 — 17.1 KiB — 197 ms — h2https://luma.com/_next/static/chunks/3128540d9cefd3d5.js/_next/static/chunks/3128540d9cefd3... https://luma.com/_next/static/chunks/3128540d9cefd3d5.js — 200 — 10.6 KiB — 198 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
20% of JavaScript execution is third-party
First-party Third-party 689ms · 0KB · €7/mo
Unattributable
Other
Costly
Execution 689ms
Transfer 0 KB
Monthly Cost €7/mo

These scripts may cost more than they're worth

  • Unattributable adds 689ms and costs ~€7/month

Unattributable takes 689ms 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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