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https://hackaday.io

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
73
GRADE
C
FIX
5
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
55
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.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
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.

2.42 s

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

16.07 s

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

566 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.

4.42 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.

19.15 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
7 PASS 3 REVIEW 5 FIX
F
Page Weight Budget
Action
6.1 MB transferred, 50 requests
FIX
6.1 MB transferred, 50 requests
Critical::
Page weighs 8.8 MB (6.1 MB transferred)
Warning::
Images are 5.2 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 5.2 MB
Warning::
JavaScript is 688 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 688 KB
Info::
50 HTTP requests
Info::
Estimated 1.3 g CO2 per page load
6.1 MB / 2.4 MB budget
6.1 MB transferred
50 requests
1.3 g CO2 per page load
Images 5.2 MiB 85%
JavaScript 688.3 KiB 11%
Other 130.9 KiB 2%
CSS 85.4 KiB 1%
Other 31.7 KiB 1%
HTML 10.6 KiB 0%
Other 9.0 KiB 0%
Other 292 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

D
Third-Party Impact
Action
97% third-party, 0 ms blocking
FIX
97% third-party, 0 ms blocking
Warning::
Third-party code accounts for 97% of page weight (5.9 MiB of 6.1 MiB)
Info::
Third-party blocking time is low (0 ms)
97%
First-party Third-party
D
JS Execution Cost
Action
3305ms total JS execution
FIX
3305ms total JS execution
Warning::
https://cdn.hackaday.io/build/BMYGeAy2cbQWKJq2%2BO...: 964ms CPU time
Warning::
Unattributable: 695ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-9XKD...: 395ms CPU time
Warning::
https://maps.googleapis.com/maps-api-v3/api/js/64/...: 374ms CPU time
Warning::
https://hackaday.io/: 372ms CPU time
Warning::
Third-party scripts: 2933ms (89% of total)

Main Thread Breakdown

Script Evaluation 42% Other 34% Style & Layout 11% Script Parsing & Compilation 9%
ScriptTotalScriptingParse/CompileParty
https://cdn.hackaday.io/build/BMYGeAy2cbQWKJq2%2BOUCBAVOetyg1P0mrMh7GwYaeoLfqE9LNsc1HOCGXMHbMX%2B7mrVgUJAq1wVhQbofTVkMkf5zzJMr935mf0bY4fTLnDOPMqP3ob5kuSmfIGRyPoQsuO7G4V9HO57DXFUVFXdu%2FvAlgJyzHJAS094kXQWMM1e0GcF4%2BUWNDySunpU6y76BJybFMdoyl5vbiRc92%2Fy68CDarVhP1lu%2BI70yl9ICk2u3z87F4cq4OBMF8pQkCDt4tFt8fueyF8UUkHqGBMc152ro7WakKgzn92zennDzAy8PnMUDMjg4tFFSm7W9cYvkRwjAPjNhYeUy2wTKoU6hg7LVA2RS94p0RohTMBugohQl%2FPL8aCy6A63g2v4IXThgcyTMT93HI2sGgwPHNTmEDSjQKK1dNkBXzjvJOs2uw9kV2%2FQ9BbsZAv6aXu0IPOkXPJLI4e1WGZ9FGZnHlFAKqXwH5AJXmALmAppE%2F5NgdZCr508uGQQMCsUvHgOKUY8lpVmKpBMhJyuYp30xhgtDcqulKXuYnXrCiVKDqBI%2FLzrw6dp8JyWWEO8%2FnUKFnCzhzNKeNibP5mIDkgHeMMCocw%3D%3D-1.8.5.js964ms361ms35ms3rd
Unattributable695ms20ms0ms3rd
https://www.googletagmanager.com/gtag/js?id=G-9XKDJZELWD395ms328ms64ms3rd
https://maps.googleapis.com/maps-api-v3/api/js/64/9c/main.js374ms287ms31ms3rd
https://hackaday.io/372ms53ms38ms1st
https://web.cmp.usercentrics.eu/ui/v/3.117.0/WebSdk.lib.4c6726a9.js226ms167ms47ms3rd
https://www.google-analytics.com/analytics.js84ms55ms13ms3rd
https://maps.googleapis.com/maps-api-v3/api/js/64/9c/common.js70ms56ms14ms3rd
https://cdn.hackaday.io/css/style.css?version=1.8.570ms0ms0ms3rd
https://maps.googleapis.com/maps-api-v3/api/js/64/9c/util.js54ms25ms29ms3rd
D
Page Weight Inventory
Action
50 resources · 6.1 MB · 274 KB savings available
FIX
50 resources · 6.1 MB · 274 KB savings available
Warning::
Page weight 5.1 MB over 1MB target
Got: 6.1 MB Expected: ≤ 1 MB
Info::
~274 KB of savings available
Warning::
46 third-party resources (97% of weight)
Info::
7 resources over 200KB
50 resources · 6.1 MiB · 46 third-party 5.1 MiB over 1MB target
Image 85% · 5.2 MiB
JavaScript 11% · 688.3 KiB
Other 2% · 140.5 KiB
CSS 1% · 85.4 KiB
Document 0% · 10.6 KiB

~273.5 KiB of savings available

Remove unused JavaScript: 273.5 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.
Info::
ETag present — enables conditional (304) responses

No Cache-Control header

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

C
Image Optimization
Action
19 images, 0 KB saveable
REVIEW
19 images, 0 KB saveable
Warning::
https://cdn.hackaday.io/images/resize/128x128/7762... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.hackaday.io/images/7762271593645154291... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.hackaday.io/images/resize/600x400/3181... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.hackaday.io/images/7255311484679597966... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.hackaday.io/images/resize/128x128/7255... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.hackaday.io/images/3683671525888533541... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://analytics.supplyframe.com/trackingservlet/... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.hackaday.io/images/resize/600x400/6443... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://cdn.hackaday.io/images/resize/128x128/3683... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
19 images 5.2 MB
0 oversized -0 KB
19 legacy format
9 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

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

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

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

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

C
JS Bundles
Action
15 scripts, 274 KB unused
REVIEW
15 scripts, 274 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-9XKD...: 61 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.hackaday.io/build/BMYGeAy2cbQWKJq2%2BO...: 53 KB unused (62%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://maps.googleapis.com/maps-api-v3/api/js/64/...: 48 KB unused (58%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://web.cmp.usercentrics.eu/ui/v/3.117.0/WebSd...: 35 KB unused (63%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://maps.googleapis.com/maps-api-v3/api/js/64/...: 27 KB unused (74%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 274 KB
274 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-9XKDJZELWD156 KB61 KB (39%)✓3rd
https://cdn.hackaday.io/build/BMYGeAy2cbQWKJq2%2BOUCBAVOetyg1P0mrMh7GwYaeoLfqE9LNsc1HOCGXMHbMX%2B7mrVgUJAq1wVhQbofTVkMkf5zzJMr935mf0bY4fTLnDOPMqP3ob5kuSmfIGRyPoQsuO7G4V9HO57DXFUVFXdu%2FvAlgJyzHJAS094kXQWMM1e0GcF4%2BUWNDySunpU6y76BJybFMdoyl5vbiRc92%2Fy68CDarVhP1lu%2BI70yl9ICk2u3z87F4cq4OBMF8pQkCDt4tFt8fueyF8UUkHqGBMc152ro7WakKgzn92zennDzAy8PnMUDMjg4tFFSm7W9cYvkRwjAPjNhYeUy2wTKoU6hg7LVA2RS94p0RohTMBugohQl%2FPL8aCy6A63g2v4IXThgcyTMT93HI2sGgwPHNTmEDSjQKK1dNkBXzjvJOs2uw9kV2%2FQ9BbsZAv6aXu0IPOkXPJLI4e1WGZ9FGZnHlFAKqXwH5AJXmALmAppE%2F5NgdZCr508uGQQMCsUvHgOKUY8lpVmKpBMhJyuYp30xhgtDcqulKXuYnXrCiVKDqBI%2FLzrw6dp8JyWWEO8%2FnUKFnCzhzNKeNibP5mIDkgHeMMCocw%3D%3D-1.8.5.js85 KB53 KB (62%)✓3rd
https://maps.googleapis.com/maps-api-v3/api/js/64/9c/main.js83 KB48 KB (58%)✓3rd
https://web.cmp.usercentrics.eu/ui/v/3.117.0/WebSdk.lib.4c6726a9.js56 KB35 KB (63%)✓3rd
https://maps.googleapis.com/maps-api-v3/api/js/64/9c/common.js37 KB27 KB (74%)✓3rd
https://maps.googleapis.com/maps-api-v3/api/js/64/9c/util.js70 KB27 KB (38%)✓3rd
https://maps.googleapis.com/maps-api-v3/api/js/64/9c/map.js25 KB23 KB (90%)✓3rd
https://web.cmp.usercentrics.eu/ui/v/3.117.0/UsCmpController.19c71421.js10 KB—✓3rd
https://use.typekit.net/ymb0lgk.js7 KB—✓3rd
https://www.google-analytics.com/analytics.js21 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

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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
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
Network Waterfall
50 requests over 2411ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s FCP 2.4 s LCP 16.1 shttps://hackaday.io// https://hackaday.io/ — 200 — 9.4 KiB — 433 ms — h2https://cdn.hackaday.io/css/style.css?version=1.8.5cdn.hackaday.io/css/style.css?versi... https://cdn.hackaday.io/css/style.css?version=1.8.5 — 200 — 84.5 KiB — 58 ms — h3https://hackaday.io/img/hackaday-logo.svg/img/hackaday-logo.svg https://hackaday.io/img/hackaday-logo.svg — 200 — 10.6 KiB — 22 ms — h2https://cdn.hackaday.io/images/930711612367682139.pngcdn.hackaday.io/images/930711612367... https://cdn.hackaday.io/images/930711612367682139.png — 200 — 343.9 KiB — 128 ms — h3https://cdn.hackaday.io/images/6500201612367689076.pngcdn.hackaday.io/images/650020161236... https://cdn.hackaday.io/images/6500201612367689076.png — 200 — 75.8 KiB — 63 ms — h3https://cdn.hackaday.io/images/5171941612367697209.pngcdn.hackaday.io/images/517194161236... https://cdn.hackaday.io/images/5171941612367697209.png — 200 — 223.2 KiB — 95 ms — h3https://cdn.hackaday.io/images/2743561612367706592.pngcdn.hackaday.io/images/274356161236... https://cdn.hackaday.io/images/2743561612367706592.png — 200 — 73.6 KiB — 59 ms — h3https://cdn.hackaday.io/images/resize/600x400/6443941765825844051.pngcdn.hackaday.io/images/resize/600x4... https://cdn.hackaday.io/images/resize/600x400/6443941765825844051.png — 200 — 364.9 KiB — 129 ms — h3https://unpkg.com/@lottiefiles/lottie-player@latest/dist/lottie-player.jsunpkg.com/@lottiefiles/lottie-playe... https://unpkg.com/@lottiefiles/lottie-player@latest/dist/lottie-player.js — 302 — 319 B — 48 ms — h3https://analytics.supplyframe.com/trackingservlet/impression?action=pageImpression&zone=HIO_home&extra=logged%3Dfalse%7ChaveAccountCookie%3Dundefined%7C&ab=undefinedanalytics.supplyframe.com/trackings... https://analytics.supplyframe.com/trackingservlet/impression?action=pageImpression&zone=HIO_home&extra=logged%3Dfalse%7ChaveAccountCookie%3Dundefined%7C&ab=undefined — 200 — 350 B — 29 ms — http/1.1https://unpkg.com/@lottiefiles/lottie-player@2.0.12/dist/lottie-player.jsunpkg.com/@lottiefiles/lottie-playe... https://unpkg.com/@lottiefiles/lottie-player@2.0.12/dist/lottie-player.js — 200 — 96.1 KiB — 63 ms — h3https://cdn.hackaday.io/build/BMYGeAy2cbQWKJq2%2BOUCBAVOetyg1P0mrMh7GwYaeoLfqE9LNsc1HOCGXMHbMX%2B7mrVgUJAq1wVhQbofTVkMkf5zzJMr935mf0bY4fTLnDOPMqP3ob5kuSmfIGRyPoQsuO7G4V9HO57DXFUVFXdu%2FvAlgJyzHJAS094kXQWMM1e0GcF4%2BUWNDySunpU6y76BJybFMdoyl5vbiRc92%2Fy68CDarVhP1lu%2BI70yl9ICk2u3z87F4cq4OBMF8pQkCDt4tFt8fueyF8UUkHqGBMc152ro7WakKgzn92zennDzAy8PnMUDMjg4tFFSm7W9cYvkRwjAPjNhYeUy2wTKoU6hg7LVA2RS94p0RohTMBugohQl%2FPL8aCy6A63g2v4IXThgcyTMT93HI2sGgwPHNTmEDSjQKK1dNkBXzjvJOs2uw9kV2%2FQ9BbsZAv6aXu0IPOkXPJLI4e1WGZ9FGZnHlFAKqXwH5AJXmALmAppE%2F5NgdZCr508uGQQMCsUvHgOKUY8lpVmKpBMhJyuYp30xhgtDcqulKXuYnXrCiVKDqBI%2FLzrw6dp8JyWWEO8%2FnUKFnCzhzNKeNibP5mIDkgHeMMCocw%3D%3D-1.8.5.jscdn.hackaday.io/build/BMYGeAy2cbQWK... https://cdn.hackaday.io/build/BMYGeAy2cbQWKJq2%2BOUCBAVOetyg1P0mrMh7GwYaeoLfqE9LNsc1HOCGXMHbMX%2B7mrVgUJAq1wVhQbofTVkMkf5zzJMr935mf0bY4fTLnDOPMqP3ob5kuSmfIGRyPoQsuO7G4V9HO57DXFUVFXdu%2FvAlgJyzHJAS094kXQWMM1e0GcF4%2BUWNDySunpU6y76BJybFMdoyl5vbiRc92%2Fy68CDarVhP1lu%2BI70yl9ICk2u3z87F4cq4OBMF8pQkCDt4tFt8fueyF8UUkHqGBMc152ro7WakKgzn92zennDzAy8PnMUDMjg4tFFSm7W9cYvkRwjAPjNhYeUy2wTKoU6hg7LVA2RS94p0RohTMBugohQl%2FPL8aCy6A63g2v4IXThgcyTMT93HI2sGgwPHNTmEDSjQKK1dNkBXzjvJOs2uw9kV2%2FQ9BbsZAv6aXu0IPOkXPJLI4e1WGZ9FGZnHlFAKqXwH5AJXmALmAppE%2F5NgdZCr508uGQQMCsUvHgOKUY8lpVmKpBMhJyuYp30xhgtDcqulKXuYnXrCiVKDqBI%2FLzrw6dp8JyWWEO8%2FnUKFnCzhzNKeNibP5mIDkgHeMMCocw%3D%3D-1.8.5.js — 200 — 85.5 KiB — 68 ms — h3https://cdn.hackaday.io/images/resize/24x24/1292901638602392962.jpgcdn.hackaday.io/images/resize/24x24... https://cdn.hackaday.io/images/resize/24x24/1292901638602392962.jpg — 200 — 1.0 KiB — 27 ms — h3https://cdn.hackaday.io/images/resize/600x400/3181601765552729736.pngcdn.hackaday.io/images/resize/600x4... https://cdn.hackaday.io/images/resize/600x400/3181601765552729736.png — 200 — 392.2 KiB — 99 ms — h3https://cdn.hackaday.io/images/resize/24x24/7362731483128248235.jpgcdn.hackaday.io/images/resize/24x24... https://cdn.hackaday.io/images/resize/24x24/7362731483128248235.jpg — 200 — 1.7 KiB — 27 ms — h3https://cdn.hackaday.io/images/7255311484679597966.pngcdn.hackaday.io/images/725531148467... https://cdn.hackaday.io/images/7255311484679597966.png — 200 — 81.1 KiB — 62 ms — h3https://cdn.hackaday.io/images/resize/128x128/7255311484679597966.pngcdn.hackaday.io/images/resize/128x1... https://cdn.hackaday.io/images/resize/128x128/7255311484679597966.png — 200 — 15.7 KiB — 46 ms — h3https://cdn.hackaday.io/images/7762271593645154291.pngcdn.hackaday.io/images/776227159364... https://cdn.hackaday.io/images/7762271593645154291.png — 200 — 2.9 MiB — 241 ms — h3https://cdn.hackaday.io/images/resize/128x128/7762271593645154291.pngcdn.hackaday.io/images/resize/128x1... https://cdn.hackaday.io/images/resize/128x128/7762271593645154291.png — 200 — 24.2 KiB — 45 ms — h3https://cdn.hackaday.io/images/3683671525888533541.jpgcdn.hackaday.io/images/368367152588... https://cdn.hackaday.io/images/3683671525888533541.jpg — 200 — 209.1 KiB — 82 ms — h3https://cdn.hackaday.io/images/resize/128x128/3683671525888533541.jpgcdn.hackaday.io/images/resize/128x1... https://cdn.hackaday.io/images/resize/128x128/3683671525888533541.jpg — 200 — 8.7 KiB — 41 ms — h3https://cdn.hackaday.io/css/vendor/simplebar/simplebar.csscdn.hackaday.io/css/vendor/simpleba... https://cdn.hackaday.io/css/vendor/simplebar/simplebar.css — 200 — 907 B — 60 ms — h3https://cdn.hackaday.io/images/original//5579751761859446080.jpgcdn.hackaday.io/images/original//55... https://cdn.hackaday.io/images/original//5579751761859446080.jpg — 200 — 529.2 KiB — 58 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
89% of JavaScript execution is third-party
First-party Third-party 2933ms · 593KB · $39/mo
cdn.hackaday.io
Other
Costly
Execution 964ms
Transfer 85 KB
Unused 62%
Monthly Cost $13/mo
Unattributable
Other
Costly
Execution 695ms
Transfer 0 KB
Monthly Cost $9/mo
Google Tag Manager
Tag Manager
Costly
Execution 395ms
Transfer 156 KB
Unused 39%
Monthly Cost $5/mo
maps.googleapis.com
Other
Costly
Execution 374ms
Transfer 83 KB
Unused 58%
Monthly Cost $5/mo
web.cmp.usercentrics.eu
Other
Costly
Execution 226ms
Transfer 56 KB
Unused 63%
Monthly Cost $3/mo
Google Analytics
Analytics
Optional
Execution 84ms
Transfer 21 KB
Monthly Cost $1/mo
maps.googleapis.com
Other
Optional
Execution 70ms
Transfer 37 KB
Unused 74%
Monthly Cost $1/mo
cdn.hackaday.io
Other
Optional
Execution 70ms
Transfer 85 KB
Monthly Cost $1/mo
maps.googleapis.com
Other
Optional
Execution 54ms
Transfer 70 KB
Unused 38%
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • cdn.hackaday.io adds 964ms and costs ~$13/month
  • Unattributable adds 695ms and costs ~$9/month
  • Google Tag Manager adds 395ms and costs ~$5/month
  • maps.googleapis.com adds 374ms and costs ~$5/month
  • web.cmp.usercentrics.eu adds 226ms and costs ~$3/month

89% 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

cdn.hackaday.io takes 964ms 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

62% of cdn.hackaday.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 695ms 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

Google Tag Manager takes 395ms 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

maps.googleapis.com takes 374ms 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

58% of maps.googleapis.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

web.cmp.usercentrics.eu takes 226ms 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

63% of web.cmp.usercentrics.eu'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

74% of maps.googleapis.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

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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