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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
66
GRADE
D
FIX
6
REVIEW
2
PASS
5
INFO
2

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

Mobile Desktop
29
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
72
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
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.

4.00 s

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

6.63 s

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

858 ms

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

0.008

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

4.00 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.

6.63 s

Page Load Progression

512 ms
1.0 s
1.5 s
2.0 s
2.6 s
3.1 s
3.6 s
4.1 s
Checks
15
5 PASS 2 REVIEW 6 FIX
F
Page Weight Budget
Action
4.6 MB transferred, 79 requests
FIX
4.6 MB transferred, 79 requests
Critical::
Page weighs 18.0 MB (4.6 MB transferred)
Warning::
JavaScript is 4.1 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 4.1 MB
Info::
CSS is 231 KB — consider purging unused styles
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
Got: 231 KB
Info::
79 HTTP requests
Info::
Estimated 0.97 g CO2 per page load
4.6 MB / 2.4 MB budget
4.6 MB transferred
79 requests
0.97 g CO2 per page load
JavaScript 4.1 MiB 89%
CSS 231.0 KiB 5%
Fonts 144.0 KiB 3%
Images 58.4 KiB 1%
Other 42.8 KiB 1%
HTML 25.4 KiB 1%
Other 5.7 KiB 0%
Other 1.1 KiB 0%
Other 882 B 0%
Other 558 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

Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.

Why this matters

CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.

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 (4.6 MiB of 4.6 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2540ms total JS execution
FIX
2540ms total JS execution
Warning::
https://prod.hackster-cdn.online/assets/bundles/cl...: 1188ms CPU time
Warning::
https://prod.hackster-cdn.online/assets/bundles/ve...: 618ms CPU time
Info::
https://www.hackster.io/: 189ms CPU time
Info::
https://unpkg.com/survey-core/survey.core.min.js: 127ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-51VM...: 108ms CPU time
Warning::
Third-party scripts: 2540ms (100% of total)

Main Thread Breakdown

Script Evaluation 63% Script Parsing & Compilation 21% Other 9% Style & Layout 4%
ScriptTotalScriptingParse/CompileParty
https://prod.hackster-cdn.online/assets/bundles/client_bundle.73c93d7f2ea47dc836b9.js1188ms1129ms36ms3rd
https://prod.hackster-cdn.online/assets/bundles/vendors.7ffd3d2946a3b4fa58ea.js618ms195ms318ms3rd
https://www.hackster.io/189ms13ms11ms3rd
https://unpkg.com/survey-core/survey.core.min.js127ms73ms50ms3rd
https://www.googletagmanager.com/gtag/js?id=G-51VMKPL3HV&cx=c&gtm=4e64k1108ms90ms17ms3rd
Unattributable102ms8ms0ms3rd
https://prod.hackster-cdn.online/assets/bundles/commons.6b27832902e39e760829.js81ms4ms77ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KR3BZMN76ms47ms12ms3rd
https://connect.facebook.net/signals/config/1055054847899682?v=2.9.303&r=stable&domain=www.hackster.io&hme=97937018cefade17726f0472876fc101316b2ce9008a35a6a5a7977d7436151a&ex_m=104%2C205%2C154%2C22%2C72%2C73%2C145%2C68%2C67%2C11%2C162%2C90%2C16%2C138%2C127%2C39%2C75%2C78%2C134%2C159%2C164%2C8%2C4%2C5%2C7%2C6%2C3%2C91%2C101%2C165%2C170%2C219%2C62%2C186%2C187%2C55%2C276%2C30%2C74%2C231%2C230%2C229%2C23%2C33%2C103%2C61%2C10%2C63%2C97%2C98%2C99%2C105%2C130%2C31%2C29%2C132%2C133%2C129%2C128%2C155%2C76%2C158%2C156%2C157%2C50%2C60%2C123%2C15%2C161%2C45%2C263%2C264%2C262%2C26%2C27%2C28%2C48%2C146%2C77%2C112%2C18%2C20%2C44%2C40%2C42%2C41%2C83%2C92%2C96%2C110%2C144%2C147%2C46%2C111%2C24%2C21%2C119%2C69%2C36%2C149%2C148%2C150%2C141%2C139%2C25%2C35%2C59%2C109%2C160%2C70%2C17%2C152%2C114%2C81%2C66%2C19%2C85%2C86%2C116%2C84%2C136%2C135%2C34%2C278%2C293%2C212%2C201%2C202%2C200%2C296%2C288%2C52%2C213%2C107%2C131%2C80%2C121%2C54%2C47%2C49%2C113%2C120%2C126%2C58%2C64%2C151%2C115%2C37%2C32%2C53%2C56%2C100%2C163%2C1%2C124%2C14%2C122%2C12%2C2%2C57%2C93%2C65%2C118%2C89%2C88%2C166%2C167%2C94%2C95%2C9%2C125%2C102%2C51%2C142%2C87%2C79%2C71%2C117%2C106%2C43%2C143%2C0%2C82%2C137%2C140%2C153%2C38%2C108%2C13%2C16851ms44ms6ms3rd
F
JS Bundles
Action
15 scripts, 2.2 MB unused
FIX
15 scripts, 2.2 MB unused
Warning::
https://prod.hackster-cdn.online/assets/bundles/ve...: 1.6 MB unused (62%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://prod.hackster-cdn.online/assets/bundles/co...: 220 KB unused (56%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://prod.hackster-cdn.online/assets/bundles/cl...: 107 KB unused (59%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://prod.hackster-cdn.online/assets/applicatio...: 70 KB unused (72%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-51VM...: 69 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 2.2 MB
2215 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://prod.hackster-cdn.online/assets/bundles/vendors.7ffd3d2946a3b4fa58ea.js2688 KB1654 KB (62%)✓3rd
https://prod.hackster-cdn.online/assets/bundles/commons.6b27832902e39e760829.js396 KB220 KB (56%)✓3rd
https://prod.hackster-cdn.online/assets/bundles/client_bundle.73c93d7f2ea47dc836b9.js183 KB107 KB (59%)✓3rd
https://prod.hackster-cdn.online/assets/application-9b6a7fad579cdec3a9e3c733cdcdcb742ff96ff321fcb7b81a21ad56d3fe01ce.js98 KB70 KB (72%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-51VMKPL3HV&cx=c&gtm=4e64k1176 KB69 KB (39%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KR3BZMN135 KB61 KB (45%)✓3rd
https://connect.facebook.net/en_US/fbevents.js97 KB34 KB (35%)✓3rd
https://unpkg.com/survey-js-ui@2.5.21/survey-js-ui.min.js69 KB—✓3rd
https://prod.hackster-cdn.online/assets/bundles/analytics.d66a8f8a2750102a1a11.js33 KB—✓3rd
blob:https://www.hackster.io/f3de646c-4aca-428b-b212-fbf43b7108c3-0 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
79 resources · 4.6 MB · 2.2 MB savings available
FIX
79 resources · 4.6 MB · 2.2 MB savings available
Warning::
Page weight 3.6 MB over 1MB target
Got: 4.6 MB Expected: ≤ 1 MB
Info::
~2.2 MB of savings available
Warning::
78 third-party resources (100% of weight)
Info::
3 resources over 200KB
79 resources · 4.6 MiB · 78 third-party 3.6 MiB over 1MB target
JavaScript 89% · 4.1 MiB
CSS 5% · 231.0 KiB
Font 3% · 144.0 KiB
Image 2% · 81.9 KiB
Other 1% · 27.7 KiB
Document 1% · 25.4 KiB

~2.2 MiB of savings available

Remove unused JavaScript: 2.2 MiB
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.

C
Image Optimization
Action
13 images, 0 KB saveable
REVIEW
13 images, 0 KB saveable
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://hackster.imgix.net/uploads/attachments/194... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
13 images 58 KB
0 oversized -0 KB
4 legacy format
8 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

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
4 fonts (144 KB)
PASS
4 fonts (144 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

144 KB total

Render-blocking

0

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s FCP 4.0 s LCP 6.6 shttps://prod.hackster-cdn.online/assets/proximanova-regular-954d3d02aca3f7efaa577910bcde51ea583d4658df184f940b0784d00f4257db.woff2proximanova-regular-954... https://prod.hackster-cdn.online/assets/proximanova-regular-954d3d02aca3f7efaa577910bcde51ea583d4658df184f940b0784d00f4257db.woff2 — 22.1 KiB — 25 ms — font-display: swaphttps://prod.hackster-cdn.online/assets/proximanova-bold-fabf543455c5e988235462eaa510380e1e7878f467bfff284fb0894ca54d26fe.woff2proximanova-bold-fabf54... https://prod.hackster-cdn.online/assets/proximanova-bold-fabf543455c5e988235462eaa510380e1e7878f467bfff284fb0894ca54d26fe.woff2 — 22.2 KiB — 24 ms — font-display: swaphttps://prod.hackster-cdn.online/assets/proximanova-regularit-663464c57864c5b6e6b15a941b1eed51dc0573488f52909300018a7435d3c3c2.woff2proximanova-regularit-6... https://prod.hackster-cdn.online/assets/proximanova-regularit-663464c57864c5b6e6b15a941b1eed51dc0573488f52909300018a7435d3c3c2.woff2 — 23.7 KiB — 25 ms — font-display: swaphttps://prod.hackster-cdn.online/assets/fontawesome-webfont-fa79d127baca4558a0b973f5f514b90fc5ef43314c41095f5cb285ffaa0a4029.woff2fontawesome-webfont-fa7... https://prod.hackster-cdn.online/assets/fontawesome-webfont-fa79d127baca4558a0b973f5f514b90fc5ef43314c41095f5cb285ffaa0a4029.woff2 — 76.0 KiB — 16 ms — font-display: swap
proximanova-regular-954... woff2 swap
Size 22 KB
Load time 25 ms
Start 571 ms
Risk FOUT — text flashes from fallback to web font
proximanova-bold-fabf54... woff2 swap
Size 22 KB
Load time 24 ms
Start 572 ms
Risk FOUT — text flashes from fallback to web font
proximanova-regularit-6... woff2 swap
Size 24 KB
Load time 25 ms
Start 572 ms
Risk FOUT — text flashes from fallback to web font
fontawesome-webfont-fa7... woff2 swap
Size 76 KB
Load time 16 ms
Start 2.2 s
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
Network Waterfall
79 requests over 3302ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s FCP 4.0 s LCP 6.6 shttps://hackster.io// https://hackster.io/ — 301 — 2.0 KiB — 18 ms — h2https://www.hackster.io/www.hackster.io/ https://www.hackster.io/ — 200 — 25.4 KiB — 26 ms — h2https://prod.hackster-cdn.online/assets/application-c256516a2db7fe0ac4f1cac723522812f214857460928576767616c76b197735.cssprod.hackster-cdn.online/assets/app... https://prod.hackster-cdn.online/assets/application-c256516a2db7fe0ac4f1cac723522812f214857460928576767616c76b197735.css — 200 — 90.7 KiB — 96 ms — h3https://prod.hackster-cdn.online/assets/bundles/styles.482db574709fe55a4980.cssprod.hackster-cdn.online/assets/bun... https://prod.hackster-cdn.online/assets/bundles/styles.482db574709fe55a4980.css — 200 — 98.0 KiB — 96 ms — h3https://unpkg.com/survey-core/survey-core.min.cssunpkg.com/survey-core/survey-core.m... https://unpkg.com/survey-core/survey-core.min.css — 302 — 270 B — 71 ms — h3https://unpkg.com/survey-core/survey.core.min.jsunpkg.com/survey-core/survey.core.m... https://unpkg.com/survey-core/survey.core.min.js — 302 — 306 B — 62 ms — h3https://unpkg.com/survey-js-ui/survey-js-ui.min.jsunpkg.com/survey-js-ui/survey-js-ui... https://unpkg.com/survey-js-ui/survey-js-ui.min.js — 302 — 272 B — 63 ms — h3https://prod.hackster-cdn.online/assets/bundles/manifest.55d7cf22462e6e7a41cc.jsprod.hackster-cdn.online/assets/bun... https://prod.hackster-cdn.online/assets/bundles/manifest.55d7cf22462e6e7a41cc.js — 200 — 2.7 KiB — 57 ms — h3https://prod.hackster-cdn.online/assets/bundles/vendors.7ffd3d2946a3b4fa58ea.jsprod.hackster-cdn.online/assets/bun... https://prod.hackster-cdn.online/assets/bundles/vendors.7ffd3d2946a3b4fa58ea.js — 200 — 2.6 MiB — 335 ms — h3https://prod.hackster-cdn.online/assets/bundles/commons.6b27832902e39e760829.jsprod.hackster-cdn.online/assets/bun... https://prod.hackster-cdn.online/assets/bundles/commons.6b27832902e39e760829.js — 200 — 395.8 KiB — 140 ms — h3https://prod.hackster-cdn.online/assets/bundles/client_bundle.73c93d7f2ea47dc836b9.jsprod.hackster-cdn.online/assets/bun... https://prod.hackster-cdn.online/assets/bundles/client_bundle.73c93d7f2ea47dc836b9.js — 200 — 182.9 KiB — 122 ms — h3https://prod.hackster-cdn.online/assets/application-9b6a7fad579cdec3a9e3c733cdcdcb742ff96ff321fcb7b81a21ad56d3fe01ce.jsprod.hackster-cdn.online/assets/app... https://prod.hackster-cdn.online/assets/application-9b6a7fad579cdec3a9e3c733cdcdcb742ff96ff321fcb7b81a21ad56d3fe01ce.js — 200 — 97.7 KiB — 91 ms — h3https://prod.hackster-cdn.online/assets/font-awesome-638bdcf19daf85316a9a25bd33fca06c815d2a097f5cab00487bcee5613e5d1a.cssprod.hackster-cdn.online/assets/fon... https://prod.hackster-cdn.online/assets/font-awesome-638bdcf19daf85316a9a25bd33fca06c815d2a097f5cab00487bcee5613e5d1a.css — 200 — 7.7 KiB — 50 ms — h3https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=26620045c077c1adc81b63f22.endpoint.c... https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=2 — 200 — 62 B — 380 ms — h2https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=26620045c077c1adc81b63f22.endpoint.c... https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=2 — 200 — 62 B — 380 ms — h2https://unpkg.com/survey-core@2.5.21/survey.core.min.jsunpkg.com/survey-core@2.5.21/survey... https://unpkg.com/survey-core@2.5.21/survey.core.min.js — 200 — 298.3 KiB — 155 ms — h3https://unpkg.com/survey-js-ui@2.5.21/survey-js-ui.min.jsunpkg.com/survey-js-ui@2.5.21/surve... https://unpkg.com/survey-js-ui@2.5.21/survey-js-ui.min.js — 200 — 68.7 KiB — 65 ms — h3https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=26620045c077c1adc81b63f22.endpoint.c... https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=2 — 200 — 138 B — 317 ms — h2https://unpkg.com/survey-core@2.5.21/survey-core.min.cssunpkg.com/survey-core@2.5.21/survey... https://unpkg.com/survey-core@2.5.21/survey-core.min.css — 200 — 34.6 KiB — 39 ms — h3https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=26620045c077c1adc81b63f22.endpoint.c... https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=2 — 200 — 62 B — 147 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-KR3BZMNwww.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-KR3BZMN — 200 — 135.3 KiB — 250 ms — h2https://prod.hackster-cdn.online/assets/bundles/analytics.d66a8f8a2750102a1a11.jsprod.hackster-cdn.online/assets/bun... https://prod.hackster-cdn.online/assets/bundles/analytics.d66a8f8a2750102a1a11.js — 200 — 32.7 KiB — 15 ms — h3https://prod.hackster-cdn.online/assets/icons-35393d07b9711a264578a1cfeb1f17898b23f7a208976cbca5b5ede4348b37ca.svgprod.hackster-cdn.online/assets/ico... https://prod.hackster-cdn.online/assets/icons-35393d07b9711a264578a1cfeb1f17898b23f7a208976cbca5b5ede4348b37ca.svg — 200 — 22.1 KiB — 38 ms — 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— 140 ms — h3https://prod.hackster-cdn.online/assets/bundles/client_bundle.73c93d7f2ea47dc836b9.jsprod.hackster-cdn.online/assets/bun... https://prod.hackster-cdn.online/assets/bundles/client_bundle.73c93d7f2ea47dc836b9.js — 200 — 182.9 KiB — 122 ms — h3https://prod.hackster-cdn.online/assets/application-9b6a7fad579cdec3a9e3c733cdcdcb742ff96ff321fcb7b81a21ad56d3fe01ce.jsprod.hackster-cdn.online/assets/app... https://prod.hackster-cdn.online/assets/application-9b6a7fad579cdec3a9e3c733cdcdcb742ff96ff321fcb7b81a21ad56d3fe01ce.js — 200 — 97.7 KiB — 91 ms — h3https://prod.hackster-cdn.online/assets/font-awesome-638bdcf19daf85316a9a25bd33fca06c815d2a097f5cab00487bcee5613e5d1a.cssprod.hackster-cdn.online/assets/fon... https://prod.hackster-cdn.online/assets/font-awesome-638bdcf19daf85316a9a25bd33fca06c815d2a097f5cab00487bcee5613e5d1a.css — 200 — 7.7 KiB — 50 ms — h3https://6620045c077c1adc81b63f22.endpoint.csper.io/?v=26620045c077c1adc81b63f22.endpoint.c... 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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 2540ms · 3648KB · €31/mo
prod.hackster-cdn.online
Other
Costly
Execution 1188ms
Transfer 183 KB
Unused 59%
Monthly Cost €15/mo
prod.hackster-cdn.online
Other
Costly
Execution 618ms
Transfer 2688 KB
Unused 62%
Monthly Cost €8/mo
www.hackster.io
Other
Optional
Execution 189ms
Transfer 25 KB
Monthly Cost €2/mo
unpkg
CDN
Optional
Execution 127ms
Transfer 0 KB
Monthly Cost €2/mo
Google Tag Manager
Tag Manager
Optional
Execution 108ms
Transfer 176 KB
Unused 39%
Monthly Cost €1/mo
Unattributable
Other
Optional
Execution 102ms
Transfer 0 KB
Monthly Cost €1/mo
prod.hackster-cdn.online
Other
Optional
Execution 81ms
Transfer 396 KB
Unused 56%
Monthly Cost €1/mo
Google Tag Manager
Tag Manager
Optional
Execution 76ms
Transfer 135 KB
Unused 45%
Monthly Cost €1/mo
Facebook Pixel
Advertising
Optional
Execution 51ms
Transfer 45 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • prod.hackster-cdn.online adds 1188ms and costs ~€15/month
  • prod.hackster-cdn.online adds 618ms and costs ~€8/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

prod.hackster-cdn.online takes 1188ms 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

59% of prod.hackster-cdn.online'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

prod.hackster-cdn.online takes 618ms 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 prod.hackster-cdn.online'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

56% of prod.hackster-cdn.online'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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