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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
4
REVIEW
4
PASS
5
INFO
2

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

Mobile Desktop
88
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
87
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
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.

894 ms

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

1.71 s

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

64 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.

1.99 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.

1.83 s

Page Load Progression

994 ms
2.0 s
3.0 s
4.0 s
5.0 s
6.0 s
7.0 s
7.9 s
Checks
15
5 PASS 4 REVIEW 4 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 (1.8 MiB of 1.8 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
8218ms total JS execution
FIX
8218ms total JS execution
Warning::
https://www.forbes.com/: 4452ms CPU time
Warning::
https://i.forbesimg.com/simple-site/_next/static/c...: 2778ms CPU time
Warning::
Unattributable: 329ms CPU time
Warning::
https://js.datadome.co/tags.js: 266ms CPU time
Warning::
https://i.forbesimg.com/simple-site/_next/static/c...: 265ms CPU time
Warning::
Third-party scripts: 8218ms (100% of total)

Main Thread Breakdown

Style & Layout 34% Rendering 27% Other 25% Script Evaluation 11%
ScriptTotalScriptingParse/CompileParty
https://www.forbes.com/4452ms4ms1ms3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/3297-bf079039fbe7ee2e.js2778ms367ms4ms3rd
Unattributable329ms18ms0ms3rd
https://js.datadome.co/tags.js266ms225ms2ms3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/framework-f30cbadcebab7629.js265ms155ms4ms3rd
https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js127ms97ms29ms3rd
D
Page Weight Inventory
Action
73 resources · 1.8 MB · 255 KB savings available
FIX
73 resources · 1.8 MB · 255 KB savings available
Warning::
Page weight 818 KB over 1MB target
Got: 1.8 MB Expected: ≤ 1 MB
Info::
~255 KB of savings available
Warning::
72 third-party resources (100% of weight)
Info::
1 resources over 200KB
73 resources · 1.8 MiB · 72 third-party 818.2 KiB over 1MB target
JavaScript 42% · 782.4 KiB
Image 25% · 456.0 KiB
Other 14% · 261.5 KiB
Font 11% · 209.5 KiB
Document 7% · 132.9 KiB

~255.2 KiB of savings available

Remove unused JavaScript: 255.2 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

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

C
Page Weight Budget
Action
1.8 MB transferred, 73 requests
REVIEW
1.8 MB transferred, 73 requests
Info::
Page weighs 11.3 MB (1.8 MB transferred)
Warning::
JavaScript is 782 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 782 KB
Info::
Fonts are 209 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 209 KB
Info::
73 HTTP requests
Info::
Estimated 0.38 g CO2 per page load
1.8 MB / 2.4 MB budget
1.8 MB transferred
73 requests
0.38 g CO2 per page load
JavaScript 782.4 KiB 42%
Images 454.8 KiB 25%
Fonts 209.5 KiB 11%
Other 179.0 KiB 10%
HTML 125.8 KiB 7%
Other 88.7 KiB 5%
Other 1.7 KiB 0%
Other 351 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

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

B
Image Optimization
18 images, 0 KB saveable
REVIEW
18 images, 0 KB saveable
Info::
All images are well-optimized
18 images 455 KB
0 oversized -0 KB
5 legacy format
0 missing dimensions CLS risk
C
JS Bundles
Action
27 scripts, 255 KB unused
REVIEW
27 scripts, 255 KB unused
Warning::
https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketc...: 110 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://i.forbesimg.com/simple-site/dist/js/nextJS...: 64 KB unused (66%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://i.forbesimg.com/simple-site/_next/static/c...: 30 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://i.forbesimg.com/simple-site/_next/static/c...: 29 KB unused (86%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://i.forbesimg.com/simple-site/_next/static/c...: 21 KB unused (36%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 255 KB
255 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js257 KB110 KB (43%)✓3rd
https://i.forbesimg.com/simple-site/dist/js/nextJS-c7f89fc19bdcbbff9649.js97 KB64 KB (66%)✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/framework-f30cbadcebab7629.js74 KB30 KB (52%)✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/6cdf2dfb-feb8d9c97c521f8c.js49 KB29 KB (86%)✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/3297-bf079039fbe7ee2e.js66 KB21 KB (36%)✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/9204-3d7285779f7e0f1f.js21 KB—✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/5903-feec85393692efa0.js7 KB—✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/main-a6004c5457d0f87b.js38 KB—✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/webpack-b90ff6bfdf3db467.js3 KB—✓3rd
https://i.forbesimg.com/simple-site/_next/static/chunks/7235-97c575c28a7c10cd.js2 KB—✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

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

Green Hosting

No green hosting detected

A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+
Font Loading
8 fonts (209 KB)
PASS
8 fonts (209 KB)
Info::
8 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

8

209 KB total

Render-blocking

0

of 8

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s FCP 894 ms LCP 1.7 shttps://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2Schnyder-SDemi-Web.woff2 https://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2 — 32.5 KiB — 35 ms — font-display: swaphttps://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2Graphik-Regular-Web.woff2 https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2 — 30.3 KiB — 37 ms — font-display: swaphttps://i.forbesimg.com/assets/fonts/Highlander/Highlander-Bold.woff2Highlander-Bold.woff2 https://i.forbesimg.com/assets/fonts/Highlander/Highlander-Bold.woff2 — 45.2 KiB — 47 ms — font-display: swaphttps://i.forbesimg.com/assets/fonts/Graphik/Graphik-Medium-Web.woff2Graphik-Medium-Web.woff2 https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Medium-Web.woff2 — 36.0 KiB — 6 ms — font-display: swaphttps://i.forbesimg.com/assets/fonts/highlander/highlander-bold.woff2highlander-bold.woff2 https://i.forbesimg.com/assets/fonts/highlander/highlander-bold.woff2 — 31.0 KiB — 6 ms — font-display: swaphttps://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2Graphik-Regular-Web.woff2 https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2 — 252 B — 11 ms — font-display: swaphttps://i.forbesimg.com/assets/fonts/Graphik/Graphik-Semibold-Web.woff2Graphik-Semibold-Web.woff2 https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Semibold-Web.woff2 — 34.1 KiB — 5 ms — font-display: swaphttps://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2Schnyder-SDemi-Web.woff2 https://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2 — 252 B — 10 ms — font-display: swap
Schnyder-SDemi-Web.woff2 woff2 swap
Size 32 KB
Load time 35 ms
Start 49 ms
Risk FOUT — text flashes from fallback to web font
Graphik-Regular-Web.woff2 woff2 swap
Size 30 KB
Load time 37 ms
Start 50 ms
Risk FOUT — text flashes from fallback to web font
Highlander-Bold.woff2 woff2 swap
Size 45 KB
Load time 47 ms
Start 98 ms
Risk FOUT — text flashes from fallback to web font
Graphik-Medium-Web.woff2 woff2 swap
Size 36 KB
Load time 6 ms
Start 207 ms
Risk FOUT — text flashes from fallback to web font
highlander-bold.woff2 woff2 swap
Size 31 KB
Load time 6 ms
Start 207 ms
Risk FOUT — text flashes from fallback to web font
Graphik-Regular-Web.woff2 woff2 swap
Size 0 KB
Load time 11 ms
Start 208 ms
Risk FOUT — text flashes from fallback to web font
Graphik-Semibold-Web.woff2 woff2 swap
Size 34 KB
Load time 5 ms
Start 208 ms
Risk FOUT — text flashes from fallback to web font
Schnyder-SDemi-Web.woff2 woff2 swap
Size 0 KB
Load time 10 ms
Start 208 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
Network Waterfall
73 requests over 2103ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 894 ms LCP 1.7 shttps://forbes.com// https://forbes.com/ — 301 — 485 B — 4 ms — h2https://www.forbes.com/www.forbes.com/ https://www.forbes.com/ — 200 — 125.8 KiB — 32 ms — h2https://cdn.ketchjs.com/plugins/v1/tcf/stub.jscdn.ketchjs.com/plugins/v1/tcf/stub... https://cdn.ketchjs.com/plugins/v1/tcf/stub.js — 200 — 1.1 KiB — 38 ms — h2https://global.ketchcdn.com/web/v2/config/forbes/website_smart_tag/boot.jsglobal.ketchcdn.com/web/v2/config/f... https://global.ketchcdn.com/web/v2/config/forbes/website_smart_tag/boot.js — 200 — 5.0 KiB — 11 ms — h2https://imageio.forbes.com/specials-images/imageserve/69dfb1a075b9dba04e574a4c/0x0.jpg?format=jpg&crop=3310,1864,x0,y170,safe&width=960imageio.forbes.com/specials-images/... https://imageio.forbes.com/specials-images/imageserve/69dfb1a075b9dba04e574a4c/0x0.jpg?format=jpg&crop=3310,1864,x0,y170,safe&width=960 — 200 — 27.4 KiB — 30 ms — h2https://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2i.forbesimg.com/assets/fonts/Schnyd... https://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2 — 200 — 32.5 KiB — 35 ms — h2https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2i.forbesimg.com/assets/fonts/Graphi... https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2 — 200 — 30.3 KiB — 37 ms — h2https://imageio.forbes.com/specials-images/imageserve/69dfa84e9751715040aa0963/0x0.jpg?format=jpg&width=960imageio.forbes.com/specials-images/... https://imageio.forbes.com/specials-images/imageserve/69dfa84e9751715040aa0963/0x0.jpg?format=jpg&width=960 — 200 — 27.4 KiB — 28 ms — h2https://imageio.forbes.com/specials-images/imageserve/69de9d2c2c72e6d68c9bbf03/0x0.jpg?format=jpg&crop=2000,1125,x0,y41,safe&width=960imageio.forbes.com/specials-images/... https://imageio.forbes.com/specials-images/imageserve/69de9d2c2c72e6d68c9bbf03/0x0.jpg?format=jpg&crop=2000,1125,x0,y41,safe&width=960 — 200 — 24.1 KiB — 25 ms — h2https://imageio.forbes.com/specials-images/imageserve/62d700cd6094d2c180f269b9/0x0.jpg?format=jpg&width=50imageio.forbes.com/specials-images/... https://imageio.forbes.com/specials-images/imageserve/62d700cd6094d2c180f269b9/0x0.jpg?format=jpg&width=50 — 200 — 1.2 KiB — 5 ms — h2https://imageio.forbes.com/specials-images/imageserve/5e8b62cfc095010007bffea0/0x0.jpg?format=jpg&width=50imageio.forbes.com/specials-images/... https://imageio.forbes.com/specials-images/imageserve/5e8b62cfc095010007bffea0/0x0.jpg?format=jpg&width=50 — 200 — 1.3 KiB — 7 ms — h2https://js.datadome.co/tags.jsjs.datadome.co/tags.js https://js.datadome.co/tags.js — 200 — 39.4 KiB — 109 ms — h2https://i.forbesimg.com/assets/fonts/Highlander/Highlander-Bold.woff2i.forbesimg.com/assets/fonts/Highla... https://i.forbesimg.com/assets/fonts/Highlander/Highlander-Bold.woff2 — 200 — 45.2 KiB — 47 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/webpack-b90ff6bfdf3db467.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/webpack-b90ff6bfdf3db467.js — 200 — 3.3 KiB — 17 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/framework-f30cbadcebab7629.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/framework-f30cbadcebab7629.js — 200 — 74.1 KiB — 48 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/main-a6004c5457d0f87b.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/main-a6004c5457d0f87b.js — 200 — 37.8 KiB — 52 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/pages/_app-86e4a0fac32c82b6.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/pages/_app-86e4a0fac32c82b6.js — 200 — 406 B — 23 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/6cdf2dfb-feb8d9c97c521f8c.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/6cdf2dfb-feb8d9c97c521f8c.js — 200 — 49.4 KiB — 45 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/3297-bf079039fbe7ee2e.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/3297-bf079039fbe7ee2e.js — 200 — 65.9 KiB — 51 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/7235-97c575c28a7c10cd.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/7235-97c575c28a7c10cd.js — 200 — 2.1 KiB — 49 ms — h2https://i.forbesimg.com/simple-site/_next/static/chunks/21-e540209ed639d6a4.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/21-e540209ed639d6a4.js — 200 — 25.1 KiB — 26 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/6349-04860aba9bac07c2.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/6349-04860aba9bac07c2.js — 200 — 4.9 KiB — 27 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/9204-3d7285779f7e0f1f.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/9204-3d7285779f7e0f1f.js — 200 — 21.1 KiB — 30 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/9946-46abaea941fcbcfe.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/9946-46abaea941fcbcfe.js — 200 — 8.7 KiB — 36 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/9375-6c52e3ed1a7faf3a.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/9375-6c52e3ed1a7faf3a.js — 200 — 33.4 KiB — 40 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/82-803289563779d889.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/82-803289563779d889.js — 200 — 9.3 KiB — 42 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/5903-feec85393692efa0.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/5903-feec85393692efa0.js — 200 — 7.1 KiB — 36 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/786-8dd131e762891fdd.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/786-8dd131e762891fdd.js — 200 — 4.7 KiB — 36 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/9006-413a79a03178c12c.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/9006-413a79a03178c12c.js — 200 — 14.4 KiB — 44 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/pages/homepage-cd26c30859d12f8e.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/pages/homepage-cd26c30859d12f8e.js — 200 — 12.8 KiB — 40 ms — h3
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 894 ms LCP 1.7 shttps://forbes.com// https://forbes.com/ — 301 — 485 B — 4 ms — h2https://www.forbes.com/www.forbes.com/ https://www.forbes.com/ — 200 — 125.8 KiB — 32 ms — h2https://cdn.ketchjs.com/plugins/v1/tcf/stub.jscdn.ketchjs.com/plugins/v1/tcf/stub... https://cdn.ketchjs.com/plugins/v1/tcf/stub.js — 200 — 1.1 KiB — 38 ms — h2https://global.ketchcdn.com/web/v2/config/forbes/website_smart_tag/boot.jsglobal.ketchcdn.com/web/v2/config/f... https://global.ketchcdn.com/web/v2/config/forbes/website_smart_tag/boot.js — 200 — 5.0 KiB — 11 ms — h2https://imageio.forbes.com/specials-images/imageserve/69dfb1a075b9dba04e574a4c/0x0.jpg?format=jpg&crop=3310,1864,x0,y170,safe&width=960imageio.forbes.com/specials-images/... https://imageio.forbes.com/specials-images/imageserve/69dfb1a075b9dba04e574a4c/0x0.jpg?format=jpg&crop=3310,1864,x0,y170,safe&width=960 — 200 — 27.4 KiB — 30 ms — h2https://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2i.forbesimg.com/assets/fonts/Schnyd... https://i.forbesimg.com/assets/fonts/Schnyder/Schnyder-SDemi-Web.woff2 — 200 — 32.5 KiB — 35 ms — h2https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2i.forbesimg.com/assets/fonts/Graphi... https://i.forbesimg.com/assets/fonts/Graphik/Graphik-Regular-Web.woff2 — 200 — 30.3 KiB — 37 ms — h2https://imageio.forbes.com/specials-images/imageserve/69dfa84e9751715040aa0963/0x0.jpg?format=jpg&width=960imageio.forbes.com/specials-images/... https://imageio.forbes.com/specials-images/imageserve/69dfa84e9751715040aa0963/0x0.jpg?format=jpg&width=960 — 200 — 27.4 KiB — 28 ms — h2https://imageio.forbes.com/specials-images/imageserve/69de9d2c2c72e6d68c9bbf03/0x0.jpg?format=jpg&crop=2000,1125,x0,y41,safe&width=960imageio.forbes.com/specials-images/... 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33.4 KiB — 40 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/82-803289563779d889.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/82-803289563779d889.js — 200 — 9.3 KiB — 42 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/5903-feec85393692efa0.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/5903-feec85393692efa0.js — 200 — 7.1 KiB — 36 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/786-8dd131e762891fdd.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/786-8dd131e762891fdd.js — 200 — 4.7 KiB — 36 ms — h3https://i.forbesimg.com/simple-site/_next/static/chunks/9006-413a79a03178c12c.jsi.forbesimg.com/simple-site/_next/s... https://i.forbesimg.com/simple-site/_next/static/chunks/9006-413a79a03178c12c.js — 200 — 14.4 KiB — 44 ms — 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h3https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.jscdn.ketchjs.com/ketchtag/stable/v2.... https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js — 200 — 257.2 KiB — 11 ms — h2https://www.forbes.com/blaize/accountwww.forbes.com/blaize/account https://www.forbes.com/blaize/account — 401 — 1.9 KiB — 115 ms — h3https://www.forbes.com/blaize/profilewww.forbes.com/blaize/profile https://www.forbes.com/blaize/profile — 401 — 2.0 KiB — 111 ms — h3https://geolocation.forbes.com/json/geolocation.forbes.com/json/ https://geolocation.forbes.com/json/ — 200 — 845 B — 35 ms — h2https://global.ketchcdn.com/web/v3/ipglobal.ketchcdn.com/web/v3/ip https://global.ketchcdn.com/web/v3/ip — 200 — 427 B — 5 ms — h3https://global.ketchcdn.com/web/v3/config/forbes/website_smart_tag/production/gdpr/en/config.json?hash=4084795777902287727global.ketchcdn.com/web/v3/config/f... https://global.ketchcdn.com/web/v3/config/forbes/website_smart_tag/production/gdpr/en/config.json?hash=4084795777902287727 — 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h3https://global.ketchcdn.com/gvl/eu/vendor-list.jsonglobal.ketchcdn.com/gvl/eu/vendor-l... https://global.ketchcdn.com/gvl/eu/vendor-list.json — 200 — 88.3 KiB — 9 ms — h3https://global.ketchcdn.com/gvl/eu/vendor-list.jsonglobal.ketchcdn.com/gvl/eu/vendor-l... https://global.ketchcdn.com/gvl/eu/vendor-list.json — 200 — 0 B — 4 ms — h3
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 8218ms · 562KB · €131/mo
www.forbes.com
Other
Costly
Execution 4452ms
Transfer 126 KB
Monthly Cost €71/mo
i.forbesimg.com
Other
Costly
Execution 2778ms
Transfer 66 KB
Unused 36%
Monthly Cost €44/mo
Unattributable
Other
Costly
Execution 329ms
Transfer 0 KB
Monthly Cost €5/mo
js.datadome.co
Other
Costly
Execution 266ms
Transfer 39 KB
Monthly Cost €4/mo
i.forbesimg.com
Other
Costly
Execution 265ms
Transfer 74 KB
Unused 52%
Monthly Cost €4/mo
cdn.ketchjs.com
Other
Optional
Execution 127ms
Transfer 257 KB
Unused 43%
Monthly Cost €2/mo

These scripts may cost more than they're worth

  • www.forbes.com adds 4452ms and costs ~€71/month
  • i.forbesimg.com adds 2778ms and costs ~€44/month
  • Unattributable adds 329ms and costs ~€5/month
  • js.datadome.co adds 266ms and costs ~€4/month
  • i.forbesimg.com adds 265ms and costs ~€4/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.forbes.com takes 4452ms 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

i.forbesimg.com takes 2778ms 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 329ms 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

js.datadome.co takes 266ms 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

i.forbesimg.com takes 265ms 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

52% of i.forbesimg.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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