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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
89
GRADE
B
FIX
1
REVIEW
3
PASS
9
INFO
2

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

Mobile Desktop
97
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
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.

795 ms

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

1.15 s

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

29 ms

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

0.007

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

857 ms

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

1.50 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
15
9 PASS 3 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
Image Optimization
21 images, 0 KB saveable
REVIEW
21 images, 0 KB saveable
Info::
All images are well-optimized
21 images 88 KB
0 oversized -0 KB
6 legacy format
0 missing dimensions CLS risk
C
JS Execution Cost
Action
1117ms total JS execution
REVIEW
1117ms total JS execution
Warning::
https://wefunder.com/marketing-assets/react-CIaHbQ...: 329ms CPU time
Info::
https://us-assets.i.posthog.com/static/array.js: 228ms CPU time
Info::
https://wefunder.com/: 135ms CPU time
Info::
Unattributable: 131ms CPU time
Info::
https://wefunder.com/cdn-cgi/challenge-platform/sc...: 88ms CPU time
Info::
Third-party scripts: 425ms (38% of total)

Main Thread Breakdown

Script Evaluation 63% Other 19% Style & Layout 9% Rendering 3%
ScriptTotalScriptingParse/CompileParty
https://wefunder.com/marketing-assets/react-CIaHbQpP.js329ms296ms0ms1st
https://us-assets.i.posthog.com/static/array.js228ms213ms6ms3rd
https://wefunder.com/135ms12ms1ms1st
Unattributable131ms6ms0ms3rd
https://wefunder.com/cdn-cgi/challenge-platform/scripts/jsd/main.js88ms85ms1ms1st
https://wefunder.com/marketing-assets/index-DKL3cr4m.js77ms12ms0ms1st
https://scripts.clarity.ms/0.8.59/clarity.js65ms55ms3ms3rd
https://wefunder.com/marketing-assets/react-dom-BMxyK3jH.js63ms23ms0ms1st
B
JS Bundles
17 scripts, 131 KB unused
REVIEW
17 scripts, 131 KB unused
Warning::
https://us-assets.i.posthog.com/static/array.js: 34 KB unused (50%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://wefunder.com/marketing-assets/framer-motio...: 28 KB unused (72%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://us-assets.i.posthog.com/static/surveys.js?...: 26 KB unused (80%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://us-assets.i.posthog.com/static/posthog-rec...: 22 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://wefunder.com/marketing-assets/react-dom-BM...: 21 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 131 KB
131 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://us-assets.i.posthog.com/static/array.js68 KB34 KB (50%)✓3rd
https://wefunder.com/marketing-assets/framer-motion-LYVs7xn2.js40 KB28 KB (72%)✓1st
https://us-assets.i.posthog.com/static/surveys.js?v=1.370.132 KB26 KB (80%)✓3rd
https://us-assets.i.posthog.com/static/posthog-recorder.js?v=1.370.151 KB22 KB (43%)✓3rd
https://wefunder.com/marketing-assets/react-dom-BMxyK3jH.js53 KB21 KB (39%)✓1st
https://www.clarity.ms/tag/w2wu08b8h51 KB—✓3rd
https://wefunder.com/marketing-assets/icons-BwLtDIR9.js4 KB—✓1st
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312451611 KB—✓3rd
https://wefunder.com/marketing-assets/index-DKL3cr4m.js49 KB—✓1st
https://wefunder.com/marketing-assets/react-query-limiSwJy.js7 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

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
577 KB transferred, 57 requests
PASS
577 KB transferred, 57 requests
Info::
Page weighs 1.6 MB (577 KB transferred)
Info::
57 HTTP requests
Info::
Estimated 0.12 g CO2 per page load
577 KB / 2.4 MB budget
577 KB transferred
57 requests
0.12 g CO2 per page load
JavaScript 374.1 KiB 65%
Images 88.0 KiB 15%
Fonts 46.7 KiB 8%
HTML 31.9 KiB 6%
CSS 28.8 KiB 5%
Other 3.4 KiB 1%
Other 2.0 KiB 0%
Other 1.8 KiB 0%
0 2.4 MB 4.9 MB
Under budget
A
Third-Party Impact
35% third-party, 0 ms blocking
PASS
35% third-party, 0 ms blocking
Info::
Third-party code accounts for 35% of page weight (203.5 KiB of 576.7 KiB)
Info::
Third-party blocking time is low (0 ms)
65%
35%
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
5 fonts (47 KB)
PASS
5 fonts (47 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

47 KB total

Render-blocking

0

of 5

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s FCP 795 ms LCP 1.2 shttps://wefunder.com/marketing-assets/test-soehne-buch_1774037576559-CzM3l2xT.woff2test-soehne-buch_177403... https://wefunder.com/marketing-assets/test-soehne-buch_1774037576559-CzM3l2xT.woff2 — 9.2 KiB — 97 ms — font-display: swaphttps://wefunder.com/marketing-assets/test-soehne-kraftig_1774037576561-C6eSe6EH.woff2test-soehne-kraftig_177... https://wefunder.com/marketing-assets/test-soehne-kraftig_1774037576561-C6eSe6EH.woff2 — 9.1 KiB — 89 ms — font-display: swaphttps://wefunder.com/marketing-assets/test-soehne-halbfett_1774037576560-DYI8cEif.woff2test-soehne-halbfett_17... https://wefunder.com/marketing-assets/test-soehne-halbfett_1774037576560-DYI8cEif.woff2 — 9.5 KiB — 89 ms — font-display: swaphttps://wefunder.com/marketing-assets/test-soehne-dreiviertelfett_1774037576559-DVQoVAbo.woff2test-soehne-dreiviertel... https://wefunder.com/marketing-assets/test-soehne-dreiviertelfett_1774037576559-DVQoVAbo.woff2 — 9.4 KiB — 105 ms — font-display: swaphttps://wefunder.com/marketing-assets/test-soehne-buch-kursiv_1774037576559-CA8o1Fpy.woff2test-soehne-buch-kursiv... https://wefunder.com/marketing-assets/test-soehne-buch-kursiv_1774037576559-CA8o1Fpy.woff2 — 9.5 KiB — 109 ms — font-display: swap
test-soehne-buch_177403... woff2 swap
Size 9 KB
Load time 97 ms
Start 96 ms
Risk FOUT — text flashes from fallback to web font
test-soehne-kraftig_177... woff2 swap
Size 9 KB
Load time 89 ms
Start 97 ms
Risk FOUT — text flashes from fallback to web font
test-soehne-halbfett_17... woff2 swap
Size 9 KB
Load time 89 ms
Start 97 ms
Risk FOUT — text flashes from fallback to web font
test-soehne-dreiviertel... woff2 swap
Size 9 KB
Load time 105 ms
Start 97 ms
Risk FOUT — text flashes from fallback to web font
test-soehne-buch-kursiv... woff2 swap
Size 9 KB
Load time 109 ms
Start 410 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+
Page Weight Inventory
57 resources · 577 KB · 131 KB savings available
PASS
57 resources · 577 KB · 131 KB savings available
Info::
Within 1MB page-weight target
Got: 577 KB
Info::
~131 KB of savings available
Info::
17 third-party resources (35% of weight)
57 resources · 576.7 KiB · 17 third-party Within 1MB page-weight target
JavaScript 65% · 374.1 KiB
Image 16% · 89.9 KiB
Font 8% · 46.7 KiB
Document 6% · 31.9 KiB
CSS 5% · 28.8 KiB
Other 1% · 5.3 KiB

~130.7 KiB of savings available

Remove unused JavaScript: 130.7 KiB
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
57 requests over 3141ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 795 ms LCP 1.2 shttps://wefunder.com// https://wefunder.com/ — 200 — 31.9 KiB — 90 ms — h3https://wefunder.com/marketing-assets/test-soehne-buch_1774037576559-CzM3l2xT.woff2/marketing-assets/test-soehne-buch_... https://wefunder.com/marketing-assets/test-soehne-buch_1774037576559-CzM3l2xT.woff2 — 200 — 9.2 KiB — 97 ms — h3https://wefunder.com/marketing-assets/test-soehne-kraftig_1774037576561-C6eSe6EH.woff2/marketing-assets/test-soehne-kraft... https://wefunder.com/marketing-assets/test-soehne-kraftig_1774037576561-C6eSe6EH.woff2 — 200 — 9.1 KiB — 89 ms — h3https://wefunder.com/marketing-assets/test-soehne-halbfett_1774037576560-DYI8cEif.woff2/marketing-assets/test-soehne-halbf... https://wefunder.com/marketing-assets/test-soehne-halbfett_1774037576560-DYI8cEif.woff2 — 200 — 9.5 KiB — 89 ms — h3https://wefunder.com/marketing-assets/test-soehne-dreiviertelfett_1774037576559-DVQoVAbo.woff2/marketing-assets/test-soehne-dreiv... https://wefunder.com/marketing-assets/test-soehne-dreiviertelfett_1774037576559-DVQoVAbo.woff2 — 200 — 9.4 KiB — 105 ms — h3https://wefunder.com/marketing-assets/index-DKL3cr4m.js/marketing-assets/index-DKL3cr4m.js https://wefunder.com/marketing-assets/index-DKL3cr4m.js — 200 — 48.6 KiB — 80 ms — h3https://wefunder.com/marketing-assets/react-CIaHbQpP.js/marketing-assets/react-CIaHbQpP.js https://wefunder.com/marketing-assets/react-CIaHbQpP.js — 200 — 4.9 KiB — 115 ms — h3https://wefunder.com/marketing-assets/react-dom-BMxyK3jH.js/marketing-assets/react-dom-BMxyK3j... https://wefunder.com/marketing-assets/react-dom-BMxyK3jH.js — 200 — 53.4 KiB — 106 ms — h3https://wefunder.com/marketing-assets/router-BEYwzY4a.js/marketing-assets/router-BEYwzY4a.j... https://wefunder.com/marketing-assets/router-BEYwzY4a.js — 200 — 2.7 KiB — 88 ms — h3https://wefunder.com/marketing-assets/react-query-limiSwJy.js/marketing-assets/react-query-limiS... https://wefunder.com/marketing-assets/react-query-limiSwJy.js — 200 — 7.4 KiB — 83 ms — h3https://wefunder.com/marketing-assets/icons-BwLtDIR9.js/marketing-assets/icons-BwLtDIR9.js https://wefunder.com/marketing-assets/icons-BwLtDIR9.js — 200 — 4.4 KiB — 117 ms — h3https://wefunder.com/marketing-assets/framer-motion-LYVs7xn2.js/marketing-assets/framer-motion-LYV... https://wefunder.com/marketing-assets/framer-motion-LYVs7xn2.js — 200 — 39.8 KiB — 103 ms — h3https://wefunder.com/marketing-assets/index-BfFGlyZi.css/marketing-assets/index-BfFGlyZi.cs... https://wefunder.com/marketing-assets/index-BfFGlyZi.css — 200 — 28.8 KiB — 101 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 24 ms — h2https://www.clarity.ms/tag/w2wu08b8h5www.clarity.ms/tag/w2wu08b8h5 https://www.clarity.ms/tag/w2wu08b8h5 — 200 — 1.1 KiB — 41 ms — http/1.1https://us-assets.i.posthog.com/static/array.jsus-assets.i.posthog.com/static/arra... https://us-assets.i.posthog.com/static/array.js — 200 — 68.3 KiB — 29 ms — h2https://us-assets.i.posthog.com/array/phc_7Mbs3s8FULd7l7FLBMsvA7qzW3neTddrZxF69wmhGpG/config.jsus-assets.i.posthog.com/array/phc_7... https://us-assets.i.posthog.com/array/phc_7Mbs3s8FULd7l7FLBMsvA7qzW3neTddrZxF69wmhGpG/config.js — 200 — 868 B — 18 ms — h2https://wefunder.com/cdn-cgi/challenge-platform/scripts/jsd/main.js/cdn-cgi/challenge-platform/scripts... https://wefunder.com/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 223 B — 142 ms — h3https://wefunder.com/-/users/show_current_user/-/users/show_current_user https://wefunder.com/-/users/show_current_user — 200 — 800 B — 35 ms — h3https://wefunder.com/images/marketing-assets/mercury.webp/images/marketing-assets/mercury.we... https://wefunder.com/images/marketing-assets/mercury.webp — 200 — 2.6 KiB — 103 ms — h3https://wefunder.com/images/marketing-assets/charles-harrison-sm.webp/images/marketing-assets/charles-ha... https://wefunder.com/images/marketing-assets/charles-harrison-sm.webp — 200 — 4.5 KiB — 108 ms — h3https://wefunder.com/images/invest-demo-start.webp/images/invest-demo-start.webp https://wefunder.com/images/invest-demo-start.webp — 200 — 25.1 KiB — 102 ms — h3https://wefunder.com/images/invest-demo-confirm.webp/images/invest-demo-confirm.webp https://wefunder.com/images/invest-demo-confirm.webp — 200 — 15.4 KiB — 102 ms — h3https://wefunder.com/images/marketing-assets/replit.webp/images/marketing-assets/replit.web... https://wefunder.com/images/marketing-assets/replit.webp — 200 — 1.8 KiB — 85 ms — h3https://wefunder.com/images/marketing-assets/substack-logo.webp/images/marketing-assets/substack-l... https://wefunder.com/images/marketing-assets/substack-logo.webp — 200 — 2.5 KiB — 82 ms — h3https://wefunder.com/images/marketing-assets/boom.webp/images/marketing-assets/boom.webp https://wefunder.com/images/marketing-assets/boom.webp — 200 — 2.0 KiB — 88 ms — h3https://wefunder.com/images/marketing-assets/levels-logo.svg/images/marketing-assets/levels-log... https://wefunder.com/images/marketing-assets/levels-logo.svg — 200 — 1.2 KiB — 110 ms — h3https://wefunder.com/images/marketing-assets/synthesis-logo.svg/images/marketing-assets/synthesis-... https://wefunder.com/images/marketing-assets/synthesis-logo.svg — 200 — 3.5 KiB — 108 ms — h3https://wefunder.com/images/marketing-assets/yc-symbol.svg/images/marketing-assets/yc-symbol.... https://wefunder.com/images/marketing-assets/yc-symbol.svg — 200 — 888 B — 107 ms — h3https://wefunder.com/images/marketing-assets/beehiiv-logo.svg/images/marketing-assets/beehiiv-lo... https://wefunder.com/images/marketing-assets/beehiiv-logo.svg — 200 — 1.3 KiB — 107 ms — h3
0 ms 1.0 s 2.0 s 3.0 s FCP 795 ms LCP 1.2 shttps://wefunder.com// https://wefunder.com/ — 200 — 31.9 KiB — 90 ms — h3https://wefunder.com/marketing-assets/test-soehne-buch_1774037576559-CzM3l2xT.woff2/marketing-assets/test-soehne-buch_... https://wefunder.com/marketing-assets/test-soehne-buch_1774037576559-CzM3l2xT.woff2 — 200 — 9.2 KiB — 97 ms — h3https://wefunder.com/marketing-assets/test-soehne-kraftig_1774037576561-C6eSe6EH.woff2/marketing-assets/test-soehne-kraft... https://wefunder.com/marketing-assets/test-soehne-kraftig_1774037576561-C6eSe6EH.woff2 — 200 — 9.1 KiB — 89 ms — h3https://wefunder.com/marketing-assets/test-soehne-halbfett_1774037576560-DYI8cEif.woff2/marketing-assets/test-soehne-halbf... https://wefunder.com/marketing-assets/test-soehne-halbfett_1774037576560-DYI8cEif.woff2 — 200 — 9.5 KiB — 89 ms — h3https://wefunder.com/marketing-assets/test-soehne-dreiviertelfett_1774037576559-DVQoVAbo.woff2/marketing-assets/test-soehne-dreiv... https://wefunder.com/marketing-assets/test-soehne-dreiviertelfett_1774037576559-DVQoVAbo.woff2 — 200 — 9.4 KiB — 105 ms — h3https://wefunder.com/marketing-assets/index-DKL3cr4m.js/marketing-assets/index-DKL3cr4m.js https://wefunder.com/marketing-assets/index-DKL3cr4m.js — 200 — 48.6 KiB — 80 ms — h3https://wefunder.com/marketing-assets/react-CIaHbQpP.js/marketing-assets/react-CIaHbQpP.js https://wefunder.com/marketing-assets/react-CIaHbQpP.js — 200 — 4.9 KiB — 115 ms — h3https://wefunder.com/marketing-assets/react-dom-BMxyK3jH.js/marketing-assets/react-dom-BMxyK3j... https://wefunder.com/marketing-assets/react-dom-BMxyK3jH.js — 200 — 53.4 KiB — 106 ms — h3https://wefunder.com/marketing-assets/router-BEYwzY4a.js/marketing-assets/router-BEYwzY4a.j... https://wefunder.com/marketing-assets/router-BEYwzY4a.js — 200 — 2.7 KiB — 88 ms — h3https://wefunder.com/marketing-assets/react-query-limiSwJy.js/marketing-assets/react-query-limiS... https://wefunder.com/marketing-assets/react-query-limiSwJy.js — 200 — 7.4 KiB — 83 ms — h3https://wefunder.com/marketing-assets/icons-BwLtDIR9.js/marketing-assets/icons-BwLtDIR9.js https://wefunder.com/marketing-assets/icons-BwLtDIR9.js — 200 — 4.4 KiB — 117 ms — h3https://wefunder.com/marketing-assets/framer-motion-LYVs7xn2.js/marketing-assets/framer-motion-LYV... https://wefunder.com/marketing-assets/framer-motion-LYVs7xn2.js — 200 — 39.8 KiB — 103 ms — h3https://wefunder.com/marketing-assets/index-BfFGlyZi.css/marketing-assets/index-BfFGlyZi.cs... https://wefunder.com/marketing-assets/index-BfFGlyZi.css — 200 — 28.8 KiB — 101 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 24 ms — h2https://www.clarity.ms/tag/w2wu08b8h5www.clarity.ms/tag/w2wu08b8h5 https://www.clarity.ms/tag/w2wu08b8h5 — 200 — 1.1 KiB — 41 ms — http/1.1https://us-assets.i.posthog.com/static/array.jsus-assets.i.posthog.com/static/arra... https://us-assets.i.posthog.com/static/array.js — 200 — 68.3 KiB — 29 ms — h2https://us-assets.i.posthog.com/array/phc_7Mbs3s8FULd7l7FLBMsvA7qzW3neTddrZxF69wmhGpG/config.jsus-assets.i.posthog.com/array/phc_7... https://us-assets.i.posthog.com/array/phc_7Mbs3s8FULd7l7FLBMsvA7qzW3neTddrZxF69wmhGpG/config.js — 200 — 868 B — 18 ms — h2https://wefunder.com/cdn-cgi/challenge-platform/scripts/jsd/main.js/cdn-cgi/challenge-platform/scripts... https://wefunder.com/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 223 B — 142 ms — h3https://wefunder.com/-/users/show_current_user/-/users/show_current_user https://wefunder.com/-/users/show_current_user — 200 — 800 B — 35 ms — h3https://wefunder.com/images/marketing-assets/mercury.webp/images/marketing-assets/mercury.we... https://wefunder.com/images/marketing-assets/mercury.webp — 200 — 2.6 KiB — 103 ms — h3https://wefunder.com/images/marketing-assets/charles-harrison-sm.webp/images/marketing-assets/charles-ha... https://wefunder.com/images/marketing-assets/charles-harrison-sm.webp — 200 — 4.5 KiB — 108 ms — h3https://wefunder.com/images/invest-demo-start.webp/images/invest-demo-start.webp https://wefunder.com/images/invest-demo-start.webp — 200 — 25.1 KiB — 102 ms — h3https://wefunder.com/images/invest-demo-confirm.webp/images/invest-demo-confirm.webp https://wefunder.com/images/invest-demo-confirm.webp — 200 — 15.4 KiB — 102 ms — h3https://wefunder.com/images/marketing-assets/replit.webp/images/marketing-assets/replit.web... https://wefunder.com/images/marketing-assets/replit.webp — 200 — 1.8 KiB — 85 ms — h3https://wefunder.com/images/marketing-assets/substack-logo.webp/images/marketing-assets/substack-l... https://wefunder.com/images/marketing-assets/substack-logo.webp — 200 — 2.5 KiB — 82 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
38% of JavaScript execution is third-party
First-party Third-party 425ms · 94KB · $6/mo
us-assets.i.posthog.com
Other
Costly
Execution 228ms
Transfer 68 KB
Unused 50%
Monthly Cost $3/mo
Unattributable
Other
Optional
Execution 131ms
Transfer 0 KB
Monthly Cost $2/mo
Microsoft Clarity
Session Replay
Optional
Execution 65ms
Transfer 26 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • us-assets.i.posthog.com adds 228ms and costs ~$3/month

us-assets.i.posthog.com takes 228ms 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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