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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
89
GRADE
B
FIX
2
REVIEW
2
PASS
11
INFO
2

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

Mobile Desktop
85
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
96
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.
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.

2.99 s

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

3.55 s

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

10 ms

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

0.003

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

2.99 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.

5.45 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
11 PASS 2 REVIEW 2 FIX
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 (607.8 KiB of 608.1 KiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
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
JS Execution Cost
Action
1709ms total JS execution
REVIEW
1709ms total JS execution
Warning::
https://www.crunchbase.com/: 1003ms CPU time
Warning::
Unattributable: 360ms CPU time
Warning::
https://www.crunchbase.com/cdn-cgi/challenge-platf...: 254ms CPU time
Info::
https://cdn.cookielaw.org/scripttemplates/202304.1...: 93ms CPU time
Warning::
Third-party scripts: 1709ms (100% of total)

Main Thread Breakdown

Style & Layout 35% Script Evaluation 25% Other 23% Parse HTML & CSS 7% Rendering 6% Script Parsing & Compilation 4%
ScriptTotalScriptingParse/CompileParty
https://www.crunchbase.com/1003ms76ms6ms3rd
Unattributable360ms48ms0ms3rd
https://www.crunchbase.com/cdn-cgi/challenge-platform/scripts/jsd/main.js254ms244ms3ms3rd
https://cdn.cookielaw.org/scripttemplates/202304.1.0/otBannerSdk.js93ms43ms49ms3rd
B
JS Bundles
3 scripts, 64 KB unused
REVIEW
3 scripts, 64 KB unused
Warning::
https://cdn.cookielaw.org/scripttemplates/202304.1...: 64 KB unused (66%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 64 KB
64 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cdn.cookielaw.org/scripttemplates/202304.1.0/otBannerSdk.js97 KB64 KB (66%)✓3rd
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js9 KB—✓3rd
https://www.crunchbase.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?11 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

A+
Page Weight Budget
608 KB transferred, 31 requests
PASS
608 KB transferred, 31 requests
Info::
Page weighs 1.8 MB (608 KB transferred)
Info::
31 HTTP requests
Info::
Estimated 0.12 g CO2 per page load
608 KB / 2.4 MB budget
608 KB transferred
31 requests
0.12 g CO2 per page load
Images 335.5 KiB 55%
JavaScript 117.6 KiB 19%
HTML 75.2 KiB 12%
Fonts 44.3 KiB 7%
Other 18.3 KiB 3%
CSS 10.5 KiB 2%
Other 3.6 KiB 1%
Other 2.4 KiB 0%
Other 779 B 0%
0 2.4 MB 4.9 MB
Under budget
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
15 images, 0 KB saveable
PASS
15 images, 0 KB saveable
Info::
All images are well-optimized
15 images 336 KB
0 oversized -0 KB
2 legacy format
0 missing dimensions CLS risk
A+
Font Loading
2 fonts (44 KB)
PASS
2 fonts (44 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

44 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 1.0 s 2.0 s 3.0 s FCP 3.0 s LCP 3.5 shttps://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ4.woff2ijwRs572Xtc6ZYQws9YVwnN... https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ4.woff2 — 26.2 KiB — 26 ms — font-display: swaphttps://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNIfJ7Cww.woff2ijwRs572Xtc6ZYQws9YVwnN... https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNIfJ7Cww.woff2 — 18.1 KiB — 14 ms — font-display: swap
ijwRs572Xtc6ZYQws9YVwnN... woff2 swap
Size 26 KB
Load time 26 ms
Start 323 ms
Risk FOUT — text flashes from fallback to web font
ijwRs572Xtc6ZYQws9YVwnN... woff2 swap
Size 18 KB
Load time 14 ms
Start 326 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
2 hints, 0 missing preconnects
PASS
2 hints, 0 missing preconnects
Info::
Page uses 2 resource hint(s)

Current Resource Hints

preconnect
2
preload
—
dns-prefetch
—
prefetch
—

2 resource hints configured

A
Page Weight Inventory
31 resources · 608 KB · 64 KB savings available
PASS
31 resources · 608 KB · 64 KB savings available
Info::
Within 1MB page-weight target
Got: 608 KB
Info::
~64 KB of savings available
Warning::
30 third-party resources (100% of weight)
31 resources · 608.1 KiB · 30 third-party Within 1MB page-weight target
Image 55% · 337.2 KiB
JavaScript 19% · 117.6 KiB
Document 12% · 75.6 KiB
Font 7% · 44.3 KiB
Other 3% · 19.2 KiB
CSS 2% · 14.3 KiB

~64.1 KiB of savings available

Remove unused JavaScript: 64.1 KiB
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
31 requests over 710ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 3.0 s LCP 3.5 shttps://crunchbase.com// https://crunchbase.com/ — 301 — 359 B — 112 ms — h2https://www.crunchbase.com/www.crunchbase.com/ https://www.crunchbase.com/ — 200 — 75.2 KiB — 56 ms — h2https://www.crunchbase.com/styles.20274c59d7011192.csswww.crunchbase.com/styles.20274c59d... https://www.crunchbase.com/styles.20274c59d7011192.css — 200 — 10.5 KiB — 16 ms — h2https://cdn.cookielaw.org/scripttemplates/otSDKStub.jscdn.cookielaw.org/scripttemplates/o... https://cdn.cookielaw.org/scripttemplates/otSDKStub.js — 200 — 9.1 KiB — 34 ms — h2https://images.crunchbase.com/image/upload/c_pad,w_1000,f_auto,b_white,q_auto:eco,dpr_2/a2e9ad10e42f4a5d8cddeb89266da465?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,w_1000,f_auto,b_white,q_auto:eco,dpr_2/a2e9ad10e42f4a5d8cddeb89266da465?ik-sanitizeSvg=true — 200 — 2.5 KiB — 145 ms — h3https://images.crunchbase.com/image/upload/51d868f4f22a45d4a8854d60d332e4f9images.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/51d868f4f22a45d4a8854d60d332e4f9 — 200 — 2.8 KiB — 154 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/920e060f0da2433f86a0848520dad911?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/920e060f0da2433f86a0848520dad911?ik-sanitizeSvg=true — 200 — 21.9 KiB — 209 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/fd41cd7328c54618aeda4f9e3f0d45ef?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/fd41cd7328c54618aeda4f9e3f0d45ef?ik-sanitizeSvg=true — 200 — 43.8 KiB — 285 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/5cbad87f8e9a4bdfa31c1daf08c7aae8?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/5cbad87f8e9a4bdfa31c1daf08c7aae8?ik-sanitizeSvg=true — 200 — 34.6 KiB — 288 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/1927570c7ea74b0e8cd89328bbbe73d7?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/1927570c7ea74b0e8cd89328bbbe73d7?ik-sanitizeSvg=true — 200 — 32.8 KiB — 283 ms — h3https://www.crunchbase.com/site.webmanifest?v=2.0www.crunchbase.com/site.webmanifest... https://www.crunchbase.com/site.webmanifest?v=2.0 — 200 — 779 B — 142 ms — h2https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ4.woff2fonts.gstatic.com/s/publicsans/v21/... https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ4.woff2 — 200 — 26.2 KiB — 26 ms — h3https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNIfJ7Cww.woff2fonts.gstatic.com/s/publicsans/v21/... https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNIfJ7Cww.woff2 — 200 — 18.1 KiB — 14 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/86268c2b0c3f4ba69b2110597fed2d75?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/86268c2b0c3f4ba69b2110597fed2d75?ik-sanitizeSvg=true — 200 — 72.0 KiB — 178 ms — h3https://images.crunchbase.com/image/upload/v1613675726/clientapp/logo_crunchbase_primary.svgimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/v1613675726/clientapp/logo_crunchbase_primary.svg — 200 — 1.5 KiB — 73 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/mo9hnaoavzrbjkwo9epa?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/mo9hnaoavzrbjkwo9epa?ik-sanitizeSvg=true — 200 — 1.2 KiB — 68 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/02bb58922b3d4d64b082982f275896c8?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/02bb58922b3d4d64b082982f275896c8?ik-sanitizeSvg=true — 200 — 857 B — 66 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/wee6ayju8g9ssuydsfgq?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/wee6ayju8g9ssuydsfgq?ik-sanitizeSvg=true — 200 — 956 B — 76 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/bzs8ikl0udsmtnyk3zog?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/bzs8ikl0udsmtnyk3zog?ik-sanitizeSvg=true — 200 — 858 B — 78 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/d84d0f4ccdef455fb97f7617fb3b3ffa?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/d84d0f4ccdef455fb97f7617fb3b3ffa?ik-sanitizeSvg=true — 200 — 79.3 KiB — 157 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/a7ae45fd9f1e4a0fa80d91eac6964977?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/a7ae45fd9f1e4a0fa80d91eac6964977?ik-sanitizeSvg=true — 200 — 39.4 KiB — 144 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/o1cjblcnkovw0wxcg7a3?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_25,w_25,f_auto,b_white,q_auto:eco,dpr_2/o1cjblcnkovw0wxcg7a3?ik-sanitizeSvg=true — 200 — 1.2 KiB — 74 ms — h3https://www.crunchbase.com/cdn-cgi/challenge-platform/scripts/jsd/main.jswww.crunchbase.com/cdn-cgi/challeng... https://www.crunchbase.com/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 372 B — 12 ms — h2https://www.crunchbase.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?www.crunchbase.com/cdn-cgi/challeng... https://www.crunchbase.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js? — 200 — 11.4 KiB — 11 ms — h2https://cdn.cookielaw.org/consent/d71c660f-7eb5-4a5e-983e-ca1d7f1e56d4/d71c660f-7eb5-4a5e-983e-ca1d7f1e56d4.jsoncdn.cookielaw.org/consent/d71c660f-... https://cdn.cookielaw.org/consent/d71c660f-7eb5-4a5e-983e-ca1d7f1e56d4/d71c660f-7eb5-4a5e-983e-ca1d7f1e56d4.json — 200 — 2.5 KiB — 40 ms — h2https://www.crunchbase.com/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.2889736943988933:1776798611:JhAcgcFTqWduhobqPOYGc2dNFUeO_MBVB4fG2J7bOao/9efed6e34d7fcd7fwww.crunchbase.com/cdn-cgi/challeng... https://www.crunchbase.com/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.2889736943988933:1776798611:JhAcgcFTqWduhobqPOYGc2dNFUeO_MBVB4fG2J7bOao/9efed6e34d7fcd7f — 200 — 801 B — 15 ms — h2https://geolocation.onetrust.com/cookieconsentpub/v1/geo/locationgeolocation.onetrust.com/cookiecons... https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location — 200 — 307 B — 37 ms — h2https://www.crunchbase.com/favicon.ico?v=2.0www.crunchbase.com/favicon.ico?v=2.... https://www.crunchbase.com/favicon.ico?v=2.0 — 200 — 1.7 KiB — 18 ms — h2https://cdn.cookielaw.org/scripttemplates/202304.1.0/otBannerSdk.jscdn.cookielaw.org/scripttemplates/2... https://cdn.cookielaw.org/scripttemplates/202304.1.0/otBannerSdk.js — 200 — 97.1 KiB — 20 ms — h2https://cdn.cookielaw.org/consent/d71c660f-7eb5-4a5e-983e-ca1d7f1e56d4/019d9788-16a0-75a7-a4c2-8a0feb245a65/en.jsoncdn.cookielaw.org/consent/d71c660f-... https://cdn.cookielaw.org/consent/d71c660f-7eb5-4a5e-983e-ca1d7f1e56d4/019d9788-16a0-75a7-a4c2-8a0feb245a65/en.json — 200 — 14.5 KiB — 28 ms — h2
0 ms 1.0 s 2.0 s 3.0 s FCP 3.0 s LCP 3.5 shttps://crunchbase.com// https://crunchbase.com/ — 301 — 359 B — 112 ms — h2https://www.crunchbase.com/www.crunchbase.com/ https://www.crunchbase.com/ — 200 — 75.2 KiB — 56 ms — h2https://www.crunchbase.com/styles.20274c59d7011192.csswww.crunchbase.com/styles.20274c59d... https://www.crunchbase.com/styles.20274c59d7011192.css — 200 — 10.5 KiB — 16 ms — h2https://cdn.cookielaw.org/scripttemplates/otSDKStub.jscdn.cookielaw.org/scripttemplates/o... https://cdn.cookielaw.org/scripttemplates/otSDKStub.js — 200 — 9.1 KiB — 34 ms — h2https://images.crunchbase.com/image/upload/c_pad,w_1000,f_auto,b_white,q_auto:eco,dpr_2/a2e9ad10e42f4a5d8cddeb89266da465?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,w_1000,f_auto,b_white,q_auto:eco,dpr_2/a2e9ad10e42f4a5d8cddeb89266da465?ik-sanitizeSvg=true — 200 — 2.5 KiB — 145 ms — h3https://images.crunchbase.com/image/upload/51d868f4f22a45d4a8854d60d332e4f9images.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/51d868f4f22a45d4a8854d60d332e4f9 — 200 — 2.8 KiB — 154 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/920e060f0da2433f86a0848520dad911?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/920e060f0da2433f86a0848520dad911?ik-sanitizeSvg=true — 200 — 21.9 KiB — 209 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/fd41cd7328c54618aeda4f9e3f0d45ef?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/fd41cd7328c54618aeda4f9e3f0d45ef?ik-sanitizeSvg=true — 200 — 43.8 KiB — 285 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/5cbad87f8e9a4bdfa31c1daf08c7aae8?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/5cbad87f8e9a4bdfa31c1daf08c7aae8?ik-sanitizeSvg=true — 200 — 34.6 KiB — 288 ms — h3https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/1927570c7ea74b0e8cd89328bbbe73d7?ik-sanitizeSvg=trueimages.crunchbase.com/image/upload/... https://images.crunchbase.com/image/upload/c_pad,h_600,w_600,f_auto,q_auto:eco,dpr_2/1927570c7ea74b0e8cd89328bbbe73d7?ik-sanitizeSvg=true — 200 — 32.8 KiB — 283 ms — h3https://www.crunchbase.com/site.webmanifest?v=2.0www.crunchbase.com/site.webmanifest... https://www.crunchbase.com/site.webmanifest?v=2.0 — 200 — 779 B — 142 ms — h2https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ4.woff2fonts.gstatic.com/s/publicsans/v21/... 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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 1709ms · 173KB · €9/mo
www.crunchbase.com
Other
Costly
Execution 1003ms
Transfer 75 KB
Monthly Cost €5/mo
Unattributable
Other
Costly
Execution 360ms
Transfer 0 KB
Monthly Cost €2/mo
www.crunchbase.com
Other
Costly
Execution 254ms
Transfer 0 KB
Monthly Cost €1/mo
OneTrust
Consent
Essential
Execution 93ms
Transfer 97 KB
Unused 66%
Monthly Cost €0/mo

These scripts may cost more than they're worth

  • www.crunchbase.com adds 1003ms and costs ~€5/month
  • Unattributable adds 360ms and costs ~€2/month
  • www.crunchbase.com adds 254ms and costs ~€1/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

www.crunchbase.com takes 1003ms 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 360ms 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.crunchbase.com takes 254ms 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

66% 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

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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