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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
81
GRADE
B
FIX
4
REVIEW
3
PASS
8
INFO
2

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

Mobile Desktop
48
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.
96
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

4.19 s

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

4.95 s

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

807 ms

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

0.110

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

4.68 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.

12.37 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
8 PASS 3 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 (1.5 MiB of 1.5 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
3359ms total JS execution
FIX
3359ms total JS execution
Warning::
https://www.networkworld.com/: 1028ms CPU time
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-NN4...: 507ms CPU time
Warning::
Unattributable: 406ms CPU time
Warning::
https://cmpv2.networkworld.com/Notice.8f529.js: 370ms CPU time
Warning::
https://cmpv2.networkworld.com/unified/wrapperMess...: 348ms CPU time
Warning::
Third-party scripts: 3359ms (100% of total)

Main Thread Breakdown

Script Evaluation 47% Style & Layout 18% Other 17% Script Parsing & Compilation 8% Parse HTML & CSS 5% Rendering 3%
ScriptTotalScriptingParse/CompileParty
https://www.networkworld.com/1028ms131ms22ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-NN43QC7W507ms400ms80ms3rd
Unattributable406ms20ms0ms3rd
https://cmpv2.networkworld.com/Notice.8f529.js370ms304ms30ms3rd
https://cmpv2.networkworld.com/unified/wrapperMessagingWithoutDetection.js348ms294ms12ms3rd
https://www.googletagmanager.com/gtag/js?id=G-262GBQZ8LE&cx=c&gtm=4e64h1151ms117ms33ms3rd
https://cmpv2.networkworld.com/unified/4.40.1/usnat.f12613136193900e32e2.bundle.js108ms80ms28ms3rd
https://www.networkworld.com/_static/??-eJylzzELwkAMBeA/5DUq2OogDg6duoi459p4ptxdShMU/71FwV27hvc+XuAxuFayUTawGyVS4C44v/bOo5J73yCyB21HHkyhlTRInvLuKmI0Fr0u4HclompRkzWYMcxTToRdIyP9aXz/yXjngMaS56w5SwiRjp/mhZU9R7bnRB7SflVV5bLabctN/wJW3Iqu87ms9ms6ms3rd
https://www.networkworld.com/_static/??-eJydj90KwjAMRl/IrOrY5o34LP0JW0bb1SZl7O0t6kCvBCHwQfg4OVFrArtEwSjKeqoBoUDyZaTIitwIMlF2kHSWTTliUWwzJWE1r8nrDXMz80H9j0kZDTnQjncQReuLw3qhzr1g3t7RBIo/SxBozFrws7yryYQBXz7mbMBoRnjuvpVsYVlC/cALMXq0UkG3cD0NQ9923eXYzw9Ah3RJ87ms71ms14ms3rd
https://www.networkworld.com/_static/??-eJylkNsOgjAMhl/IOg9BvDE+S3eQDcdY1gLy9g4uiCYSE71q8iff178VQwTVBjaBhfIuD2g6iL6rXCDhdAVsXdIQMfEotCMWpJKLTOKWZk6DTBh0bIlB+lbdtzVtxIuWrWkMiTAMIA8SlHVewxy++7DGh29RQ4Vs8sYspBXX1GtySSTzSSW7oL35EV56/NNgkZg+U79aekwjKFR27ZavT52jDF+by74sT8eiOO/K+gnY9Lmh85ms65ms18ms3rd

Showing top 10 of 13 scripts

D
Page Weight Inventory
Action
58 resources · 1.5 MB · 290 KB savings available
FIX
58 resources · 1.5 MB · 290 KB savings available
Warning::
Page weight 464 KB over 1MB target
Got: 1.5 MB Expected: ≤ 1 MB
Info::
~290 KB of savings available
Warning::
57 third-party resources (100% of weight)
Info::
1 resources over 200KB
58 resources · 1.5 MiB · 57 third-party 464.1 KiB over 1MB target
JavaScript 54% · 796.1 KiB
Font 23% · 347.5 KiB
Image 9% · 137.7 KiB
CSS 8% · 123.9 KiB
Document 4% · 65.6 KiB
Other 1% · 17.3 KiB

~289.7 KiB of savings available

Remove unused JavaScript: 289.7 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.

B
Page Weight Budget
1.5 MB transferred, 58 requests
REVIEW
1.5 MB transferred, 58 requests
Info::
Page weighs 4.9 MB (1.5 MB transferred)
Warning::
JavaScript is 796 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 796 KB
Info::
Fonts are 347 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 347 KB
Info::
58 HTTP requests
Info::
Estimated 0.30 g CO2 per page load
1.5 MB / 2.4 MB budget
1.5 MB transferred
58 requests
0.30 g CO2 per page load
JavaScript 795.5 KiB 53%
Fonts 347.5 KiB 23%
CSS 123.9 KiB 8%
Images 117.3 KiB 8%
HTML 65.5 KiB 4%
Other 20.6 KiB 1%
Other 12.8 KiB 1%
Other 5.1 KiB 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

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

C
JS Bundles
Action
20 scripts, 290 KB unused
REVIEW
20 scripts, 290 KB unused
Warning::
https://cmpv2.networkworld.com/Notice.8f529.js: 61 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-262G...: 60 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-NN4...: 58 KB unused (28%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.networkworld.com/_static/??-eJydj90Kwj...: 37 KB unused (59%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.networkworld.com/_static/??-eJylkNsOgj...: 30 KB unused (57%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 290 KB
290 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://cmpv2.networkworld.com/Notice.8f529.js91 KB61 KB (67%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-262GBQZ8LE&cx=c&gtm=4e64h1145 KB60 KB (42%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-NN43QC7W209 KB58 KB (28%)✓3rd
https://www.networkworld.com/_static/??-eJydj90KwjAMRl/IrOrY5o34LP0JW0bb1SZl7O0t6kCvBCHwQfg4OVFrArtEwSjKeqoBoUDyZaTIitwIMlF2kHSWTTliUWwzJWE1r8nrDXMz80H9j0kZDTnQjncQReuLw3qhzr1g3t7RBIo/SxBozFrws7yryYQBXz7mbMBoRnjuvpVsYVlC/cALMXq0UkG3cD0NQ9923eXYzw9Ah3RJ63 KB37 KB (59%)✓3rd
https://www.networkworld.com/_static/??-eJylkNsOgjAMhl/IOg9BvDE+S3eQDcdY1gLy9g4uiCYSE71q8iff178VQwTVBjaBhfIuD2g6iL6rXCDhdAVsXdIQMfEotCMWpJKLTOKWZk6DTBh0bIlB+lbdtzVtxIuWrWkMiTAMIA8SlHVewxy++7DGh29RQ4Vs8sYspBXX1GtySSTzSSW7oL35EV56/NNgkZg+U79aekwjKFR27ZavT52jDF+by74sT8eiOO/K+gnY9Lmh52 KB30 KB (57%)✓3rd
https://macro.adnami.io/macro/gen/adsm.macro.rmb.js25 KB22 KB (88%)✓3rd
https://www.networkworld.com/wp-content/client-mu-plugins/idg-third-party/dist/scripts/index.js?ver=177635580638 KB22 KB (57%)✓3rd
https://cmpv2.networkworld.com/unified/wrapperMessagingWithoutDetection.js42 KB—✓3rd
https://www.networkworld.com/_static/??-eJylzzELwkAMBeA/5DUq2OogDg6duoi459p4ptxdShMU/71FwV27hvc+XuAxuFayUTawGyVS4C44v/bOo5J73yCyB21HHkyhlTRInvLuKmI0Fr0u4HclompRkzWYMcxTToRdIyP9aXz/yXjngMaS56w5SwiRjp/mhZU9R7bnRB7SflVV5bLabctN/wJW3Iqu12 KB—✗3rd
https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/lib/scripts/class.ConsentManager.js?ver=1.0.15 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+
Image Optimization
4 images, 0 KB saveable
PASS
4 images, 0 KB saveable
Info::
All images are well-optimized
4 images 117 KB
0 oversized -0 KB
0 legacy format
0 missing dimensions CLS risk
A+
Font Loading
5 fonts (347 KB)
PASS
5 fonts (347 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

347 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 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 4.2 s LCP 5.0 shttps://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/static/assets/fonts/cio/graphik-400.woff2graphik-400.woff2 https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/static/assets/fonts/cio/graphik-400.woff2 — 38.2 KiB — 12 ms — font-display: swaphttps://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/static/assets/fonts/cio/graphik-500.woff2graphik-500.woff2 https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/static/assets/fonts/cio/graphik-500.woff2 — 42.2 KiB — 14 ms — font-display: swaphttps://use.typekit.net/af/93deb0/0000000000000000774ba8d6/30/l?fvd=n4&primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&v=3l https://use.typekit.net/af/93deb0/0000000000000000774ba8d6/30/l?fvd=n4&primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&v=3 — 102.5 KiB — 42 ms — font-display: swaphttps://use.typekit.net/af/f5248a/0000000000000000774ba8d6/31/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3l https://use.typekit.net/af/f5248a/0000000000000000774ba8d6/31/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3 — 102.5 KiB — 20 ms — font-display: swaphttps://use.typekit.net/af/e34097/00000000000000007735bc72/31/l?primer=f592e0a4b9356877842506ce344308576437e4f677d7c9b78ca2162e6cad991a&fvd=n4&v=3l https://use.typekit.net/af/e34097/00000000000000007735bc72/31/l?primer=f592e0a4b9356877842506ce344308576437e4f677d7c9b78ca2162e6cad991a&fvd=n4&v=3 — 62.0 KiB — 5 ms — font-display: swap
graphik-400.woff2 woff2 swap
Size 38 KB
Load time 12 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
graphik-500.woff2 woff2 swap
Size 42 KB
Load time 14 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
l woff2 swap
Size 103 KB
Load time 42 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
l woff2 swap
Size 103 KB
Load time 20 ms
Start 1.2 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
l woff2 swap
Size 62 KB
Load time 5 ms
Start 1.2 s
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)

Fixing the unchecked items could save ~103 KB and ~206 ms

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+
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
Network Waterfall
58 requests over 2091ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 4.2 s LCP 5.0 shttps://networkworld.com// https://networkworld.com/ — 301 — 149 B — 138 ms — h2https://www.networkworld.com/www.networkworld.com/ https://www.networkworld.com/ — 200 — 63.2 KiB — 797 ms — h2https://www.networkworld.com/wp-includes/css/dist/block-library/style.min.css?ver=6.8.5www.networkworld.com/wp-includes/cs... https://www.networkworld.com/wp-includes/css/dist/block-library/style.min.css?ver=6.8.5 — 200 — 15.5 KiB — 28 ms — h2https://www.networkworld.com/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css?ver=4.2.17www.networkworld.com/wp-includes/js... https://www.networkworld.com/wp-includes/js/mediaelement/mediaelementplayer-legacy.min.css?ver=4.2.17 — 200 — 2.8 KiB — 17 ms — h2https://www.networkworld.com/wp-includes/js/mediaelement/wp-mediaelement.min.css?ver=6.8.5www.networkworld.com/wp-includes/js... https://www.networkworld.com/wp-includes/js/mediaelement/wp-mediaelement.min.css?ver=6.8.5 — 200 — 1.4 KiB — 19 ms — h2https://www.networkworld.com/wp-content/mu-plugins/search/elasticpress/dist/css/related-posts-block-styles.min.css?ver=4.2.2www.networkworld.com/wp-content/mu-... https://www.networkworld.com/wp-content/mu-plugins/search/elasticpress/dist/css/related-posts-block-styles.min.css?ver=4.2.2 — 200 — 498 B — 20 ms — h2https://www.networkworld.com/wp-content/client-mu-plugins/idg-editions/dist/styles/main.css?ver=0.1.0www.networkworld.com/wp-content/cli... https://www.networkworld.com/wp-content/client-mu-plugins/idg-editions/dist/styles/main.css?ver=0.1.0 — 200 — 1.2 KiB — 20 ms — h2https://www.networkworld.com/wp-content/client-mu-plugins/idg-third-party/dist/styles/index.css?ver=1776355806www.networkworld.com/wp-content/cli... https://www.networkworld.com/wp-content/client-mu-plugins/idg-third-party/dist/styles/index.css?ver=1776355806 — 200 — 1.5 KiB — 21 ms — h2https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/styles/jwplayer.css?ver=1776355807www.networkworld.com/wp-content/the... https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/styles/jwplayer.css?ver=1776355807 — 200 — 1.1 KiB — 23 ms — h2https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/styles/shared.css?ver=1776355807www.networkworld.com/wp-content/the... https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/styles/shared.css?ver=1776355807 — 200 — 2.0 KiB — 23 ms — h2https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/styles/bundle.css?ver=1776355807www.networkworld.com/wp-content/the... https://www.networkworld.com/wp-content/themes/idg-b2b-base-theme/dist/styles/bundle.css?ver=1776355807 — 200 — 59.3 KiB — 30 ms — h2https://www.networkworld.com/wp-content/themes/nww-b2b-child-theme/dist/styles/amp.css?ver=1776355807www.networkworld.com/wp-content/the... https://www.networkworld.com/wp-content/themes/nww-b2b-child-theme/dist/styles/amp.css?ver=1776355807 — 200 — 9.6 KiB — 27 ms — h2https://www.networkworld.com/wp-content/mu-plugins/jetpack-12.8/css/jetpack.css?ver=12.8.2www.networkworld.com/wp-content/mu-... https://www.networkworld.com/wp-content/mu-plugins/jetpack-12.8/css/jetpack.css?ver=12.8.2 — 200 — 18.7 KiB — 32 ms — h2https://www.networkworld.com/wp-includes/js/dist/hooks.min.js?m=1774626878gwww.networkworld.com/wp-includes/js... https://www.networkworld.com/wp-includes/js/dist/hooks.min.js?m=1774626878g — 200 — 1.9 KiB — 19 ms — h2https://www.networkworld.com/wp-includes/js/dist/i18n.min.js?ver=5e580eb46a90c2b997e6www.networkworld.com/wp-includes/js... https://www.networkworld.com/wp-includes/js/dist/i18n.min.js?ver=5e580eb46a90c2b997e6 — 200 — 3.9 KiB — 27 ms — h2https://www.networkworld.com/wp-content/client-mu-plugins/idg-editions/dist/scripts/editions-front.js?m=1776355806gwww.networkworld.com/wp-content/cli... 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https://cmpv2.networkworld.com/wrapper/v2/messages?hasCsp=true&env=prod&body=%7B%22accountId%22%3A146%2C%22campaignEnv%22%3A%22prod%22%2C%22campaigns%22%3A%7B%22gdpr%22%3A%7B%22consentStatus%22%3A%7B%7D%2C%22targetingParams%22%3A%7B%22brandpost%22%3Afalse%2C%22disableContentpass%22%3Afalse%2C%22acps%22%3A%22false%22%7D%7D%2C%22usnat%22%3A%7B%22consentStatus%22%3A%7B%7D%2C%22hasLocalData%22%3Afalse%2C%22targetingParams%22%3A%7B%7D%7D%7D%2C%22clientMMSOrigin%22%3A%22https%3A%2F%2Fcmpv2.networkworld.com%22%2C%22hasCSP%22%3Atrue%2C%22includeData%22%3A%7B%22localState%22%3A%7B%22type%22%3A%22string%22%7D%2C%22actions%22%3A%7B%22type%22%3A%22RecordString%22%7D%2C%22cookies%22%3A%7B%22type%22%3A%22RecordString%22%7D%7D%2C%22propertyHref%22%3A%22https%3A%2F%2Fnetworkworld.com%2F%22%7D&localState=null&metadata=%7B%22gdpr%22%3A%7B%22applies%22%3Atrue%7D%2C%22usnat%22%3A%7B%22applies%22%3Afalse%7D%7D&nonKeyedLocalState=null&ch=507713948507713948511c93da&scriptVersion=4.40.1&scriptType=unified — 200 — 10.4 KiB — 224 ms — h2https://macro.adnami.io/macro/gen/adsm.macro.rmb.jsmacro.adnami.io/macro/gen/adsm.macr... https://macro.adnami.io/macro/gen/adsm.macro.rmb.js — 200 — 25.4 KiB — 61 ms — h2https://www.networkworld.com/wp-content/themes/nww-b2b-child-theme/src/static/img/favicon.icowww.networkworld.com/wp-content/the... https://www.networkworld.com/wp-content/themes/nww-b2b-child-theme/src/static/img/favicon.ico — 200 — 20.4 KiB — 4 ms — h2https://cmpv2.networkworld.com/wrapper/v2/pv-data?hasCsp=true&env=prod&ch=507713948507713948511c93da&scriptVersion=4.40.1&scriptType=unifiedcmpv2.networkworld.com/wrapper/v2/p... https://cmpv2.networkworld.com/wrapper/v2/pv-data?hasCsp=true&env=prod&ch=507713948507713948511c93da&scriptVersion=4.40.1&scriptType=unified — 200 — 0 B — 88 ms — 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https://region1.google-analytics.com/g/collect?v=2&tid=G-262GBQZ8LE&gtm=45je64h1v9173163441z89220693796za20gzb9220693796zd9220693796&_p=1776813784797&gcs=G10-&gcd=13m3l3m2m5l1&npa=1&dma_cps=-&dma=1&tcfd=1065b&_eu=AAAAAEA&are=1&cid=1742206699.1776813786&frm=0&pscdl=denied&rcb=18&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115938466~115938468~117266401&sid=1776813785&sct=1&seg=0&dl=https%3A%2F%2Fwww.networkworld.com%2F&dt=Network%20World%20%7C%20From%20the%20data%20center%20to%20the%20edge&tfd=1819 — 204 — 553 B — 113 ms — h2https://pagead2.googlesyndication.com/ccm/collect?rcb=8&frm=0&ae=g&en=page_view&dl=https%3A%2F%2Fwww.networkworld.com%2F&scrsrc=www.googletagmanager.com&rnd=1214862357.1776813786&navt=n&npa=1&gdpr=1&gdpr_consent=CQjA2wAQjA2wAAGABCENCYFgAAAAAEPAAAiQAAAUhgIAAKAAqACQAFQAPwA0ACEAHIAO4AfoBBwCLAHbAlSBMECkIBASAEAO4Afo8AEACoAH5CACAO4iABABUSAAgAkKAAQCDlQAQACgAVFoAIA7gAAA.IKQwMoAFAAWAA0ACoAGQAOAAgABIACoAFoAMgAaAA_ACKAEwALYAXgAwgBoAD8AICAQYBCAChAFIANIAaoA5AB3AD2AH6AQMAg4BFgCSgEwALSAXUA0wB2wD-AJkAW8AvMBjIDJAGYANdAjMBKkCYIFIQAAA.YAAAAAAAAAAA&ep.ads_data_redaction=0&gtm=45He64h1v9220693796za200zd9220693796xea&gcs=G10-&gcd=13m3l3m2m5l1&dma_cps=-&dma=1&tcfd=1065b&tag_exp=0~115938466~115938469~117266400~118167058&apve=1&apvf=f&apvc=1&tft=1776813785590&tfd=1827pagead2.googlesyndication.com/ccm/c... 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h3https://cmpv2.networkworld.com/index.html?hasCsp=true&message_id=1467379&consentUUID=null&consent_origin=https%3A%2F%2Fcmpv2.networkworld.com%2Fconsent%2Ftcfv2&preload_message=true&version=v1cmpv2.networkworld.com/index.html?h... https://cmpv2.networkworld.com/index.html?hasCsp=true&message_id=1467379&consentUUID=null&consent_origin=https%3A%2F%2Fcmpv2.networkworld.com%2Fconsent%2Ftcfv2&preload_message=true&version=v1 — 200 — 2.2 KiB — 4 ms — h2https://cmpv2.networkworld.com/Notice.30929.csscmpv2.networkworld.com/Notice.30929... https://cmpv2.networkworld.com/Notice.30929.css — 200 — 6.7 KiB — 5 ms — h2https://cmpv2.networkworld.com/polyfills.01516.jscmpv2.networkworld.com/polyfills.01... https://cmpv2.networkworld.com/polyfills.01516.js — 200 — 2.3 KiB — 6 ms — h2https://cmpv2.networkworld.com/Notice.8f529.jscmpv2.networkworld.com/Notice.8f529... https://cmpv2.networkworld.com/Notice.8f529.js — 200 — 91.3 KiB — 10 ms — h2https://cmpv2.networkworld.com/wrapper/v2/pv-data?hasCsp=true&env=prod&ch=507713948507713948511c93da&scriptVersion=4.40.1&scriptType=unifiedcmpv2.networkworld.com/wrapper/v2/p... https://cmpv2.networkworld.com/wrapper/v2/pv-data?hasCsp=true&env=prod&ch=507713948507713948511c93da&scriptVersion=4.40.1&scriptType=unified — 200 — 735 B — 94 ms — h2https://cmpv2.networkworld.com/consent/tcfv2/vendor-list/categories?siteId=3922cmpv2.networkworld.com/consent/tcfv... https://cmpv2.networkworld.com/consent/tcfv2/vendor-list/categories?siteId=3922 — 200 — 1.3 KiB — 72 ms — h2https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600&display=swapfonts.googleapis.com/css2?family=Mo... https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600&display=swap — 200 — 1.0 KiB — 94 ms — h2https://cmpv2.networkworld.com/consent/tcfv2/vendor-list/categories?siteId=3922&consentLanguage=encmpv2.networkworld.com/consent/tcfv... https://cmpv2.networkworld.com/consent/tcfv2/vendor-list/categories?siteId=3922&consentLanguage=en — 200 — 1.3 KiB — 71 ms — h2https://www.networkworld.com/wp-content/uploads/2025/06/Logo-NWW-black.pngwww.networkworld.com/wp-content/upl... https://www.networkworld.com/wp-content/uploads/2025/06/Logo-NWW-black.png — 200 — 5.5 KiB — 3 ms — h2
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 3359ms · 832KB · $58/mo
www.networkworld.com
Other
Costly
Execution 1028ms
Transfer 63 KB
Monthly Cost $18/mo
Google Tag Manager
Tag Manager
Costly
Execution 507ms
Transfer 209 KB
Unused 28%
Monthly Cost $9/mo
Unattributable
Other
Costly
Execution 406ms
Transfer 0 KB
Monthly Cost $7/mo
cmpv2.networkworld.com
Other
Costly
Execution 370ms
Transfer 91 KB
Unused 67%
Monthly Cost $6/mo
cmpv2.networkworld.com
Other
Costly
Execution 348ms
Transfer 42 KB
Monthly Cost $6/mo
Google Tag Manager
Tag Manager
Optional
Execution 151ms
Transfer 145 KB
Unused 42%
Monthly Cost $3/mo
cmpv2.networkworld.com
Other
Optional
Execution 108ms
Transfer 33 KB
Monthly Cost $2/mo
www.networkworld.com
Other
Optional
Execution 87ms
Transfer 12 KB
Monthly Cost $2/mo
www.networkworld.com
Other
Optional
Execution 87ms
Transfer 63 KB
Unused 59%
Monthly Cost $1/mo
www.networkworld.com
Other
Optional
Execution 85ms
Transfer 52 KB
Unused 57%
Monthly Cost $1/mo
www.networkworld.com
Other
Optional
Execution 71ms
Transfer 59 KB
Monthly Cost $1/mo
www.networkworld.com
Other
Optional
Execution 60ms
Transfer 38 KB
Unused 57%
Monthly Cost $1/mo
cmpv2.networkworld.com
Other
Optional
Execution 52ms
Transfer 24 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • www.networkworld.com adds 1028ms and costs ~$18/month
  • Google Tag Manager adds 507ms and costs ~$9/month
  • Unattributable adds 406ms and costs ~$7/month
  • cmpv2.networkworld.com adds 370ms and costs ~$6/month
  • cmpv2.networkworld.com adds 348ms and costs ~$6/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.networkworld.com takes 1028ms 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

Google Tag Manager takes 507ms 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 406ms 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

cmpv2.networkworld.com takes 370ms 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

67% of cmpv2.networkworld.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

cmpv2.networkworld.com takes 348ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

59% of www.networkworld.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

57% of www.networkworld.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

57% of www.networkworld.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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