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https://thenextweb.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
79
GRADE
C
FIX
3
REVIEW
2
PASS
10
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.
74
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.
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.

8.64 s

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

11.80 s

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

124 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.

8.64 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.

11.86 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
10 PASS 2 REVIEW 3 FIX
D
Third-Party Impact
Action
98% third-party, 0 ms blocking
FIX
98% third-party, 0 ms blocking
Warning::
Third-party code accounts for 98% of page weight (1.8 MiB of 1.9 MiB)
Info::
Third-party blocking time is low (0 ms)
98%
First-party Third-party
D
JS Execution Cost
Action
2459ms total JS execution
FIX
2459ms total JS execution
Warning::
https://next.tnwcdn.com/assets/next/js/base.js?af2...: 589ms CPU time
Warning::
https://consent-manager.thenextweb.com/Notice.8f52...: 426ms CPU time
Warning::
Unattributable: 394ms CPU time
Info::
https://eu-assets.i.posthog.com/static/array.js: 248ms CPU time
Info::
https://consent-manager.ft.com/unified/wrapperMess...: 197ms CPU time
Warning::
Third-party scripts: 2363ms (96% of total)

Main Thread Breakdown

Script Evaluation 51% Other 23% Style & Layout 12% Script Parsing & Compilation 7% Parse HTML & CSS 4%
ScriptTotalScriptingParse/CompileParty
https://next.tnwcdn.com/assets/next/js/base.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea589ms196ms5ms3rd
https://consent-manager.thenextweb.com/Notice.8f529.js426ms295ms33ms3rd
Unattributable394ms80ms0ms3rd
https://eu-assets.i.posthog.com/static/array.js248ms155ms18ms3rd
https://consent-manager.ft.com/unified/wrapperMessagingWithoutDetection.js197ms133ms17ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-NNKTCH4W186ms143ms39ms3rd
https://www.googletagmanager.com/gtag/js?id=G-FCY1FMD03F&cx=c&gtm=4e64h1178ms141ms36ms3rd
https://thenextweb.com/97ms19ms6ms1st
https://next.tnwcdn.com/assets/next/js/parallax.581008fad3.js92ms84ms0ms3rd
https://consent-manager.ft.com/unified/4.40.1/gdpr-tcf.27718c8cb9d29947d2c1.bundle.js51ms37ms13ms3rd
D
Page Weight Inventory
Action
56 resources · 1.9 MB · 246 KB savings available
FIX
56 resources · 1.9 MB · 246 KB savings available
Warning::
Page weight 897 KB over 1MB target
Got: 1.9 MB Expected: ≤ 1 MB
Info::
~246 KB of savings available
Warning::
49 third-party resources (98% of weight)
Info::
2 resources over 200KB
56 resources · 1.9 MiB · 49 third-party 896.6 KiB over 1MB target
Image 37% · 701.7 KiB
JavaScript 33% · 633.9 KiB
CSS 19% · 372.3 KiB
Font 9% · 171.6 KiB
Document 1% · 27.3 KiB
Other 1% · 13.8 KiB

~246.5 KiB of savings available

Remove unused JavaScript: 246.5 KiB
C
Page Weight Budget
Action
1.9 MB transferred, 56 requests
REVIEW
1.9 MB transferred, 56 requests
Info::
Page weighs 3.5 MB (1.9 MB transferred)
Warning::
JavaScript is 634 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 634 KB
Info::
CSS is 372 KB — consider purging unused styles
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
Got: 372 KB
Info::
56 HTTP requests
Info::
Estimated 0.39 g CO2 per page load
1.9 MB / 2.4 MB budget
1.9 MB transferred
56 requests
0.39 g CO2 per page load
Images 680.0 KiB 35%
JavaScript 633.9 KiB 33%
CSS 372.3 KiB 19%
Fonts 171.6 KiB 9%
HTML 27.3 KiB 1%
Other 22.7 KiB 1%
Other 7.7 KiB 0%
Other 4.2 KiB 0%
Other 902 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Approaching limit

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

C
JS Bundles
Action
21 scripts, 246 KB unused
REVIEW
21 scripts, 246 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-FCY1...: 64 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://consent-manager.thenextweb.com/Notice.8f52...: 61 KB unused (68%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-NNK...: 60 KB unused (49%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://eu-assets.i.posthog.com/static/array.js: 36 KB unused (53%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://eu-assets.i.posthog.com/static/surveys.js?...: 25 KB unused (80%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 246 KB
246 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-FCY1FMD03F&cx=c&gtm=4e64h1157 KB64 KB (41%)✓3rd
https://consent-manager.thenextweb.com/Notice.8f529.js92 KB61 KB (68%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-NNKTCH4W123 KB60 KB (49%)✓3rd
https://eu-assets.i.posthog.com/static/array.js67 KB36 KB (53%)✓3rd
https://eu-assets.i.posthog.com/static/surveys.js?v=1.369.532 KB25 KB (80%)✓3rd
https://next.tnwcdn.com/assets/next/js/dropdown.2e769a58c4.js2 KB—✓3rd
https://next.tnwcdn.com/assets/next/js/tnw-ads.9c4a25aa88.js13 KB—✓3rd
https://thenextweb.com/cpresources/2c16970e/main.js?v=17755957074 KB—✓1st
https://next.tnwcdn.com/assets/next/js/parallax.581008fad3.js2 KB—✓3rd
https://next.tnwcdn.com/assets/next/js/keyboard-nav.225bcfdeee.js1 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

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
6 images, 0 KB saveable
PASS
6 images, 0 KB saveable
Warning::
is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
6 images 680 KB
0 oversized -0 KB
2 legacy format
1 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A+
Font Loading
5 fonts (172 KB)
PASS
5 fonts (172 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

172 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 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 8.6 s LCP 11.8 shttps://next.tnwcdn.com/assets/next/fonts/graphik-wide-black.woff2graphik-wide-black.woff2 https://next.tnwcdn.com/assets/next/fonts/graphik-wide-black.woff2 — 24.9 KiB — 191 ms — font-display: swaphttps://next.tnwcdn.com/assets/next/fonts/graphik-medium.woff2graphik-medium.woff2 https://next.tnwcdn.com/assets/next/fonts/graphik-medium.woff2 — 35.1 KiB — 76 ms — font-display: swaphttps://next.tnwcdn.com/assets/next/fonts/graphik-regular.woff2graphik-regular.woff2 https://next.tnwcdn.com/assets/next/fonts/graphik-regular.woff2 — 36.1 KiB — 76 ms — font-display: swaphttps://next.tnwcdn.com/assets/fonts/graphik-compact/graphik-compact-medium.woff2graphik-compact-medium.... https://next.tnwcdn.com/assets/fonts/graphik-compact/graphik-compact-medium.woff2 — 33.5 KiB — 111 ms — font-display: swaphttps://next.tnwcdn.com/assets/next/fonts/shentox-medium.woff2shentox-medium.woff2 https://next.tnwcdn.com/assets/next/fonts/shentox-medium.woff2 — 42.0 KiB — 111 ms — font-display: swap
graphik-wide-black.woff2 woff2 swap
Size 25 KB
Load time 191 ms
Start 105 ms
Risk FOUT — text flashes from fallback to web font
graphik-medium.woff2 woff2 swap
Size 35 KB
Load time 76 ms
Start 602 ms
Risk FOUT — text flashes from fallback to web font
graphik-regular.woff2 woff2 swap
Size 36 KB
Load time 76 ms
Start 602 ms
Risk FOUT — text flashes from fallback to web font
graphik-compact-medium.... woff2 swap
Size 34 KB
Load time 111 ms
Start 603 ms
Risk FOUT — text flashes from fallback to web font
shentox-medium.woff2 woff2 swap
Size 42 KB
Load time 111 ms
Start 603 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
10 hints, 0 missing preconnects
PASS
10 hints, 0 missing preconnects
Info::
Page uses 10 resource hint(s)

Current Resource Hints

preconnect
3
preload
4
dns-prefetch
3
prefetch
—

10 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

A
HTTP Caching
max-age=1800 (30 minutes)
PASS
max-age=1800 (30 minutes)
Info::
Cache-Control header is set
Got: public, max-age=1800, must-revalidate
Info::
Effective TTL: 30 minutes (max-age=1800)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=1800, must-revalidate

DirectiveValueMeaning
public—Any cache may store this response
max-age1800Cache for 30 minutes
must-revalidate—Must recheck with server after expiry
Effective TTL: 1800 seconds
Network Waterfall
56 requests over 2160ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 8.6 s LCP 11.8 shttps://thenextweb.com// https://thenextweb.com/ — 200 — 24.6 KiB — 107 ms — h2https://next.tnwcdn.com/assets/next/css/base.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/next/css/bas... https://next.tnwcdn.com/assets/next/css/base.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 108.2 KiB — 298 ms — h2https://next.tnwcdn.com/assets/next/js/base.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/next/js/base... https://next.tnwcdn.com/assets/next/js/base.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 50.3 KiB — 298 ms — h2https://next.tnwcdn.com/assets/next/css/media.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/next/css/med... https://next.tnwcdn.com/assets/next/css/media.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 241.1 KiB — 302 ms — h2https://next.tnwcdn.com/assets/next/fonts/graphik-wide-black.woff2next.tnwcdn.com/assets/next/fonts/g... https://next.tnwcdn.com/assets/next/fonts/graphik-wide-black.woff2 — 200 — 24.9 KiB — 191 ms — h2https://cdn.jsdelivr.net/npm/@justinribeiro/lite-youtube@1.3.1/lite-youtube.jscdn.jsdelivr.net/npm/@justinribeiro... https://cdn.jsdelivr.net/npm/@justinribeiro/lite-youtube@1.3.1/lite-youtube.js — 200 — 2.8 KiB — 36 ms — h2https://calendly.com/assets/external/widget.csscalendly.com/assets/external/widget... https://calendly.com/assets/external/widget.css — 302 — 548 B — 103 ms — h2https://calendly.com/assets/external/widget.jscalendly.com/assets/external/widget... https://calendly.com/assets/external/widget.js — 302 — 446 B — 108 ms — h2https://thenextweb.com/manifest.json/manifest.json https://thenextweb.com/manifest.json — 200 — 902 B — 71 ms — h3https://assets.calendly.com/assets/external/widget.cssassets.calendly.com/assets/external... https://assets.calendly.com/assets/external/widget.css — 200 — 1.2 KiB — 79 ms — h2https://assets.calendly.com/assets/external/widget.jsassets.calendly.com/assets/external... https://assets.calendly.com/assets/external/widget.js — 200 — 4.3 KiB — 87 ms — h2https://use.fontawesome.com/releases/v5.6.3/css/all.cssuse.fontawesome.com/releases/v5.6.3... https://use.fontawesome.com/releases/v5.6.3/css/all.css — 200 — 12.5 KiB — 108 ms — h2https://fonts.googleapis.com/css?family=Roboto+Mono:400,500fonts.googleapis.com/css?family=Rob... https://fonts.googleapis.com/css?family=Roboto+Mono:400,500 — 200 — 1.1 KiB — 100 ms — h2https://next.tnwcdn.com/assets/js/lib/modernizr-custom.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/js/lib/moder... https://next.tnwcdn.com/assets/js/lib/modernizr-custom.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 4.4 KiB — 40 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-NNKTCH4Wwww.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-NNKTCH4W — 200 — 122.8 KiB — 153 ms — h2https://eu-assets.i.posthog.com/static/array.jseu-assets.i.posthog.com/static/arra... https://eu-assets.i.posthog.com/static/array.js — 200 — 67.1 KiB — 132 ms — h2https://thenextweb.com/assets/next/img/icons.svg/assets/next/img/icons.svg https://thenextweb.com/assets/next/img/icons.svg — 200 — 12.1 KiB — 26 ms — h2https://thenextweb.com/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js/cdn-cgi/scripts/5c5dd728/cloudflar... https://thenextweb.com/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js — 200 — 1006 B — 20 ms — h2https://thenextweb.com/cpresources/2c16970e/main.js?v=1775595707/cpresources/2c16970e/main.js?v=177... https://thenextweb.com/cpresources/2c16970e/main.js?v=1775595707 — 200 — 4.2 KiB — 27 ms — h3data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 3h4v4H3z…www.w3.org/2000/svg'%3E%3Cpath d='M... data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 3h4v4H3z… — 200 — 0 B — 0 ms — datadata:image/svg+xml;charset=utf-8,%3Csvg viewBox='0 0 12 12' xmlns='http://www.w3.org/2000/svg'%3E%3…www.w3.org/2000/svg'%3E%3… data:image/svg+xml;charset=utf-8,%3Csvg viewBox='0 0 12 12' xmlns='http://www.w3.org/2000/svg'%3E%3… — 200 — 0 B — 0 ms — datahttps://next.tnwcdn.com/assets/next/js/parallax.581008fad3.jsnext.tnwcdn.com/assets/next/js/para... https://next.tnwcdn.com/assets/next/js/parallax.581008fad3.js — 200 — 1.7 KiB — 41 ms — h2https://next.tnwcdn.com/assets/next/js/keyboard-nav.225bcfdeee.jsnext.tnwcdn.com/assets/next/js/keyb... https://next.tnwcdn.com/assets/next/js/keyboard-nav.225bcfdeee.js — 200 — 1.1 KiB — 41 ms — h2https://next.tnwcdn.com/assets/next/js/dropdown.2e769a58c4.jsnext.tnwcdn.com/assets/next/js/drop... https://next.tnwcdn.com/assets/next/js/dropdown.2e769a58c4.js — 200 — 1.9 KiB — 42 ms — h2https://next.tnwcdn.com/assets/next/js/horizontal-scroll.527dc77319.jsnext.tnwcdn.com/assets/next/js/hori... https://next.tnwcdn.com/assets/next/js/horizontal-scroll.527dc77319.js — 200 — 1.2 KiB — 42 ms — h2https://next.tnwcdn.com/assets/next/js/tnw-ads.9c4a25aa88.jsnext.tnwcdn.com/assets/next/js/tnw-... https://next.tnwcdn.com/assets/next/js/tnw-ads.9c4a25aa88.js — 200 — 13.3 KiB — 43 ms — h2https://consent-manager.ft.com/unified/wrapperMessagingWithoutDetection.jsconsent-manager.ft.com/unified/wrap... https://consent-manager.ft.com/unified/wrapperMessagingWithoutDetection.js — 200 — 42.0 KiB — 1.0 s — h2https://next.tnwcdn.com/assets/next/fonts/graphik-medium.woff2next.tnwcdn.com/assets/next/fonts/g... https://next.tnwcdn.com/assets/next/fonts/graphik-medium.woff2 — 200 — 35.1 KiB — 76 ms — h2https://next.tnwcdn.com/assets/next/fonts/graphik-regular.woff2next.tnwcdn.com/assets/next/fonts/g... https://next.tnwcdn.com/assets/next/fonts/graphik-regular.woff2 — 200 — 36.1 KiB — 76 ms — h2https://next.tnwcdn.com/assets/fonts/graphik-compact/graphik-compact-medium.woff2next.tnwcdn.com/assets/fonts/graphi... https://next.tnwcdn.com/assets/fonts/graphik-compact/graphik-compact-medium.woff2 — 200 — 33.5 KiB — 111 ms — h2
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 8.6 s LCP 11.8 shttps://thenextweb.com// https://thenextweb.com/ — 200 — 24.6 KiB — 107 ms — h2https://next.tnwcdn.com/assets/next/css/base.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/next/css/bas... https://next.tnwcdn.com/assets/next/css/base.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 108.2 KiB — 298 ms — h2https://next.tnwcdn.com/assets/next/js/base.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/next/js/base... https://next.tnwcdn.com/assets/next/js/base.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 50.3 KiB — 298 ms — h2https://next.tnwcdn.com/assets/next/css/media.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/next/css/med... https://next.tnwcdn.com/assets/next/css/media.css?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 241.1 KiB — 302 ms — h2https://next.tnwcdn.com/assets/next/fonts/graphik-wide-black.woff2next.tnwcdn.com/assets/next/fonts/g... https://next.tnwcdn.com/assets/next/fonts/graphik-wide-black.woff2 — 200 — 24.9 KiB — 191 ms — h2https://cdn.jsdelivr.net/npm/@justinribeiro/lite-youtube@1.3.1/lite-youtube.jscdn.jsdelivr.net/npm/@justinribeiro... https://cdn.jsdelivr.net/npm/@justinribeiro/lite-youtube@1.3.1/lite-youtube.js — 200 — 2.8 KiB — 36 ms — h2https://calendly.com/assets/external/widget.csscalendly.com/assets/external/widget... https://calendly.com/assets/external/widget.css — 302 — 548 B — 103 ms — h2https://calendly.com/assets/external/widget.jscalendly.com/assets/external/widget... https://calendly.com/assets/external/widget.js — 302 — 446 B — 108 ms — h2https://thenextweb.com/manifest.json/manifest.json https://thenextweb.com/manifest.json — 200 — 902 B — 71 ms — h3https://assets.calendly.com/assets/external/widget.cssassets.calendly.com/assets/external... https://assets.calendly.com/assets/external/widget.css — 200 — 1.2 KiB — 79 ms — h2https://assets.calendly.com/assets/external/widget.jsassets.calendly.com/assets/external... https://assets.calendly.com/assets/external/widget.js — 200 — 4.3 KiB — 87 ms — h2https://use.fontawesome.com/releases/v5.6.3/css/all.cssuse.fontawesome.com/releases/v5.6.3... https://use.fontawesome.com/releases/v5.6.3/css/all.css — 200 — 12.5 KiB — 108 ms — h2https://fonts.googleapis.com/css?family=Roboto+Mono:400,500fonts.googleapis.com/css?family=Rob... https://fonts.googleapis.com/css?family=Roboto+Mono:400,500 — 200 — 1.1 KiB — 100 ms — h2https://next.tnwcdn.com/assets/js/lib/modernizr-custom.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399eanext.tnwcdn.com/assets/js/lib/moder... https://next.tnwcdn.com/assets/js/lib/modernizr-custom.js?af24e65ec70ba6a3571bc69de0e8f4e09ff399ea — 200 — 4.4 KiB — 40 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-NNKTCH4Wwww.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-NNKTCH4W — 200 — 122.8 KiB — 153 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
96% of JavaScript execution is third-party
First-party Third-party 2363ms · 562KB · €38/mo
next.tnwcdn.com
Other
Costly
Execution 589ms
Transfer 50 KB
Monthly Cost €9/mo
consent-manager.thenextweb.com
Other
Costly
Execution 426ms
Transfer 92 KB
Unused 68%
Monthly Cost €7/mo
Unattributable
Other
Costly
Execution 394ms
Transfer 0 KB
Monthly Cost €6/mo
eu-assets.i.posthog.com
Other
Costly
Execution 248ms
Transfer 67 KB
Unused 53%
Monthly Cost €4/mo
consent-manager.ft.com
Other
Optional
Execution 197ms
Transfer 42 KB
Monthly Cost €3/mo
Google Tag Manager
Tag Manager
Optional
Execution 186ms
Transfer 123 KB
Unused 49%
Monthly Cost €3/mo
Google Tag Manager
Tag Manager
Optional
Execution 178ms
Transfer 157 KB
Unused 41%
Monthly Cost €3/mo
next.tnwcdn.com
Other
Optional
Execution 92ms
Transfer 2 KB
Monthly Cost €1/mo
consent-manager.ft.com
Other
Optional
Execution 51ms
Transfer 29 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • next.tnwcdn.com adds 589ms and costs ~€9/month
  • consent-manager.thenextweb.com adds 426ms and costs ~€7/month
  • Unattributable adds 394ms and costs ~€6/month
  • eu-assets.i.posthog.com adds 248ms and costs ~€4/month

96% 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

next.tnwcdn.com takes 589ms 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

consent-manager.thenextweb.com takes 426ms 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

68% of consent-manager.thenextweb.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

Unattributable takes 394ms 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

eu-assets.i.posthog.com takes 248ms 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

53% of eu-assets.i.posthog.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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