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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
75
GRADE
C
FIX
5
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
31
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
93
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
83
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.

3.74 s

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

10.91 s

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

657 ms

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

0.264

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

7.15 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.

15.60 s

Page Load Progression

466 ms
932 ms
1.4 s
1.9 s
2.3 s
2.8 s
3.3 s
3.7 s
Checks
17
7 PASS 3 REVIEW 5 FIX
F
Page Weight Budget
Action
3.1 MB transferred, 78 requests
FIX
3.1 MB transferred, 78 requests
Warning::
Page weighs 5.0 MB (3.1 MB transferred)
Warning::
Images are 2.6 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 2.6 MB
Info::
78 HTTP requests
Info::
Estimated 0.66 g CO2 per page load
3.1 MB / 2.4 MB budget
3.1 MB transferred
78 requests
0.66 g CO2 per page load
Images 2.6 MiB 83%
JavaScript 392.6 KiB 12%
CSS 91.0 KiB 3%
Other 37.9 KiB 1%
Other 21.9 KiB 1%
HTML 8.6 KiB 0%
Other 2.6 KiB 0%
Other 223 B 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

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 (3.1 MiB of 3.1 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
4119ms total JS execution
FIX
4119ms total JS execution
Warning::
https://www.nec.com/nf_global/v3/common/js/run.js: 1709ms CPU time
Warning::
https://www.nec.com/: 751ms CPU time
Warning::
https://s.go-mpulse.net/boomerang/KBFTR-PAV64-8J39...: 497ms CPU time
Warning::
Unattributable: 443ms CPU time
Warning::
https://cdn-apac.onetrust.com/scripttemplates/6.20...: 352ms CPU time
Warning::
Third-party scripts: 4119ms (100% of total)

Main Thread Breakdown

Script Evaluation 50% Other 22% Style & Layout 14% Parse HTML & CSS 5% Rendering 5% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://www.nec.com/nf_global/v3/common/js/run.js1709ms1279ms29ms3rd
https://www.nec.com/751ms19ms5ms3rd
https://s.go-mpulse.net/boomerang/KBFTR-PAV64-8J39Z-CC5HZ-P53K2497ms192ms17ms3rd
Unattributable443ms49ms0ms3rd
https://cdn-apac.onetrust.com/scripttemplates/6.20.0/otBannerSdk.js352ms204ms44ms3rd
https://tags.tiqcdn.com/utag/nec/main/prod/utag.js193ms159ms32ms3rd
https://connect.facebook.net/en_US/bundle/sdk.js/111ms79ms32ms3rd
https://www.nec.com/nf_global/v3/common/js/jquery.js63ms41ms12ms3rd
D
Page Weight Inventory
Action
78 resources · 3.1 MB · 122 KB savings available
FIX
78 resources · 3.1 MB · 122 KB savings available
Warning::
Page weight 2.1 MB over 1MB target
Got: 3.1 MB Expected: ≤ 1 MB
Info::
~122 KB of savings available
Warning::
77 third-party resources (100% of weight)
Info::
3 resources over 200KB
78 resources · 3.1 MiB · 77 third-party 2.1 MiB over 1MB target
Image 83% · 2.6 MiB
JavaScript 13% · 418.3 KiB
CSS 3% · 91.0 KiB
Other 1% · 27.8 KiB
Document 0% · 15.1 KiB

~121.5 KiB of savings available

Remove unused JavaScript: 121.5 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
Image Optimization
Action
40 images, 0 KB saveable
REVIEW
40 images, 0 KB saveable
Warning::
https://www.nec.com/nf_global/v3/common/img/2021/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_4col_glanc... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/top-slide/slide-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/top-slide/slide-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_4col_analy... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_4col_inclu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_2col_necbl... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_2col_artif... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_2col_cyber... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/top-slide/slide-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_2col_biome... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_3col_notv.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_3col_case.... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/nf_global/v3/common/img/2021/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/en/global/img/thumb_4col_techn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/nf_global/v3/common/img/2021/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.nec.com/nf_global/v3/common/img/2021/s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
40 images 2.6 MB
0 oversized -0 KB
33 legacy format
17 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

B
JS Bundles
18 scripts, 122 KB unused
REVIEW
18 scripts, 122 KB unused
Warning::
https://connect.facebook.net/en_US/bundle/sdk.js/: 54 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn-apac.onetrust.com/scripttemplates/6.20...: 36 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.nec.com/nf_global/v3/common/js/run.js: 31 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 122 KB
122 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://connect.facebook.net/en_US/bundle/sdk.js/78 KB54 KB (70%)✓3rd
https://cdn-apac.onetrust.com/scripttemplates/6.20.0/otBannerSdk.js84 KB36 KB (42%)✓3rd
https://www.nec.com/nf_global/v3/common/js/run.js71 KB31 KB (45%)✓3rd
https://assets.adobedtm.com/37d5c4e7371ac8188d8c3ce88f739133254745ea/satelliteLib-9260490aec3b62c0e0323ab878d80640150d4d61.js8 KB—✓3rd
https://tags.tiqcdn.com/utag/nec/main/prod/utag.js52 KB—✓3rd
https://s.go-mpulse.net/boomerang/KBFTR-PAV64-8J39Z-CC5HZ-P53K240 KB—✓3rd
https://www.nec.com/nf_global/v3/common/js/reserve_bottom1.js0 KB—✓3rd
https://www.nec.com/nf_global/v3/common/js/template.common.js13 KB—✗3rd
https://www.nec.com/nf_global/v3/common/js/reserve_top2.js0 KB—✓3rd
https://www.nec.com/nf_global/v3/common/js/reserve_bottom2.js0 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

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
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
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
78 requests over 3685ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 3.7 s LCP 10.9 shttps://nec.com// https://nec.com/ — 302 — 229 B — 701 ms — http/1.1https://www.nec.com/www.nec.com/ https://www.nec.com/ — 200 — 8.6 KiB — 1.1 s — h2https://www.nec.com/iwov-resources/fixed-layout/2017v3-top.csswww.nec.com/iwov-resources/fixed-la... https://www.nec.com/iwov-resources/fixed-layout/2017v3-top.css — 200 — 362 B — 16 ms — h2https://www.nec.com/nf_global/v3/common/css/reserve_top1.csswww.nec.com/nf_global/v3/common/css... https://www.nec.com/nf_global/v3/common/css/reserve_top1.css — 200 — 361 B — 17 ms — h2https://www.nec.com/nf_global/v3/common/js/jquery.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/jquery.js — 200 — 30.8 KiB — 30 ms — h2https://www.nec.com/nf_global/v3/common/js/reserve_top1.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/reserve_top1.js — 200 — 371 B — 23 ms — h2https://www.nec.com/nf_global/v3/common/css/master-2021.csswww.nec.com/nf_global/v3/common/css... https://www.nec.com/nf_global/v3/common/css/master-2021.css — 200 — 90.0 KiB — 24 ms — h2https://www.nec.com/nf_global/v3/common/js/init.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/init.js — 200 — 533 B — 32 ms — h2https://www.nec.com/nf_global/v3/common/css/reserve_top2.csswww.nec.com/nf_global/v3/common/css... https://www.nec.com/nf_global/v3/common/css/reserve_top2.css — 200 — 361 B — 20 ms — h2https://www.nec.com/nf_global/v3/common/js/reserve_top2.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/reserve_top2.js — 200 — 372 B — 33 ms — h2https://assets.adobedtm.com/37d5c4e7371ac8188d8c3ce88f739133254745ea/satelliteLib-9260490aec3b62c0e0323ab878d80640150d4d61.jsassets.adobedtm.com/37d5c4e7371ac81... https://assets.adobedtm.com/37d5c4e7371ac8188d8c3ce88f739133254745ea/satelliteLib-9260490aec3b62c0e0323ab878d80640150d4d61.js — 200 — 7.9 KiB — 37 ms — h2https://www.nec.com/en/global/img/top-slide/slide-20260401_01_pctab.jpgwww.nec.com/en/global/img/top-slide... https://www.nec.com/en/global/img/top-slide/slide-20260401_01_pctab.jpg — 200 — 142.9 KiB — 104 ms — h2https://www.nec.com/en/global/img/top-slide/slide-20260401_01_sp.jpgwww.nec.com/en/global/img/top-slide... https://www.nec.com/en/global/img/top-slide/slide-20260401_01_sp.jpg — 200 — 78.7 KiB — 32 ms — h2https://www.nec.com/en/global/img/top-slide/slide-20260306_01_pctab.jpgwww.nec.com/en/global/img/top-slide... https://www.nec.com/en/global/img/top-slide/slide-20260306_01_pctab.jpg — 200 — 797.8 KiB — 106 ms — h2https://s.go-mpulse.net/boomerang/KBFTR-PAV64-8J39Z-CC5HZ-P53K2s.go-mpulse.net/boomerang/KBFTR-PAV... https://s.go-mpulse.net/boomerang/KBFTR-PAV64-8J39Z-CC5HZ-P53K2 — 200 — 39.9 KiB — 52 ms — h2https://www.nec.com/en/global/img/top-slide/slide-20260306_01_sp.jpgwww.nec.com/en/global/img/top-slide... https://www.nec.com/en/global/img/top-slide/slide-20260306_01_sp.jpg — 200 — 369.1 KiB — 82 ms — h2https://www.nec.com/en/global/img/top-slide/slide-20251114_01_pctab.jpgwww.nec.com/en/global/img/top-slide... https://www.nec.com/en/global/img/top-slide/slide-20251114_01_pctab.jpg — 200 — 27.8 KiB — 58 ms — h2https://www.nec.com/nf_global/v3/common/js/reserve_bottom1.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/reserve_bottom1.js — 200 — 372 B — 43 ms — h2https://www.nec.com/nf_global/v3/common/js/template.common.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/template.common.js — 200 — 13.3 KiB — 66 ms — h2https://www.nec.com/nf_global/v3/common/js/run.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/run.js — 200 — 70.5 KiB — 82 ms — h2https://www.nec.com/nf_global/v3/common/js/reserve_bottom2.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/reserve_bottom2.js — 200 — 372 B — 69 ms — h2https://www.nec.com/nf_global/v3/common/img/2021/site/header-img-04.svgwww.nec.com/nf_global/v3/common/img... https://www.nec.com/nf_global/v3/common/img/2021/site/header-img-04.svg — 200 — 3.2 KiB — 70 ms — h2https://www.nec.com/en/global/img/top-slide/slide-20251114_01_sp.jpgwww.nec.com/en/global/img/top-slide... https://www.nec.com/en/global/img/top-slide/slide-20251114_01_sp.jpg — 200 — 30.6 KiB — 87 ms — h2https://www.nec.com/nf_global/v3/common/img/site/header-icn.pngwww.nec.com/nf_global/v3/common/img... https://www.nec.com/nf_global/v3/common/img/site/header-icn.png — 200 — 1.1 KiB — 74 ms — h2https://www.nec.com/nf_global/v3/common/img/str/str-img_top.pngwww.nec.com/nf_global/v3/common/img... https://www.nec.com/nf_global/v3/common/img/str/str-img_top.png — 200 — 216.5 KiB — 94 ms — h2https://www.nec.com/nf_global/v3/common/img/2021/icn/arrow-white.svgwww.nec.com/nf_global/v3/common/img... https://www.nec.com/nf_global/v3/common/img/2021/icn/arrow-white.svg — 200 — 666 B — 71 ms — h2https://www.nec.com/nf_global/v3/common/img/2021/icn/arrow-gray.svgwww.nec.com/nf_global/v3/common/img... https://www.nec.com/nf_global/v3/common/img/2021/icn/arrow-gray.svg — 200 — 673 B — 72 ms — h2https://www.nec.com/nf_global/v3/common/img/2021/icn/important-02.jpgwww.nec.com/nf_global/v3/common/img... https://www.nec.com/nf_global/v3/common/img/2021/icn/important-02.jpg — 200 — 1.7 KiB — 75 ms — h2https://www.nec.com/en/press/rss.xmlwww.nec.com/en/press/rss.xml https://www.nec.com/en/press/rss.xml — 200 — 5.4 KiB — 285 ms — h2https://www.nec.com/en/press/rss.xmlwww.nec.com/en/press/rss.xml https://www.nec.com/en/press/rss.xml — 200 — 5.4 KiB — 522 ms — h2
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 3.7 s LCP 10.9 shttps://nec.com// https://nec.com/ — 302 — 229 B — 701 ms — http/1.1https://www.nec.com/www.nec.com/ https://www.nec.com/ — 200 — 8.6 KiB — 1.1 s — h2https://www.nec.com/iwov-resources/fixed-layout/2017v3-top.csswww.nec.com/iwov-resources/fixed-la... https://www.nec.com/iwov-resources/fixed-layout/2017v3-top.css — 200 — 362 B — 16 ms — h2https://www.nec.com/nf_global/v3/common/css/reserve_top1.csswww.nec.com/nf_global/v3/common/css... https://www.nec.com/nf_global/v3/common/css/reserve_top1.css — 200 — 361 B — 17 ms — h2https://www.nec.com/nf_global/v3/common/js/jquery.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/jquery.js — 200 — 30.8 KiB — 30 ms — h2https://www.nec.com/nf_global/v3/common/js/reserve_top1.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/reserve_top1.js — 200 — 371 B — 23 ms — h2https://www.nec.com/nf_global/v3/common/css/master-2021.csswww.nec.com/nf_global/v3/common/css... https://www.nec.com/nf_global/v3/common/css/master-2021.css — 200 — 90.0 KiB — 24 ms — h2https://www.nec.com/nf_global/v3/common/js/init.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/init.js — 200 — 533 B — 32 ms — h2https://www.nec.com/nf_global/v3/common/css/reserve_top2.csswww.nec.com/nf_global/v3/common/css... https://www.nec.com/nf_global/v3/common/css/reserve_top2.css — 200 — 361 B — 20 ms — h2https://www.nec.com/nf_global/v3/common/js/reserve_top2.jswww.nec.com/nf_global/v3/common/js/... https://www.nec.com/nf_global/v3/common/js/reserve_top2.js — 200 — 372 B — 33 ms — h2https://assets.adobedtm.com/37d5c4e7371ac8188d8c3ce88f739133254745ea/satelliteLib-9260490aec3b62c0e0323ab878d80640150d4d61.jsassets.adobedtm.com/37d5c4e7371ac81... 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 4119ms · 364KB · ¥5692/mo
www.nec.com
Other
Costly
Execution 1709ms
Transfer 71 KB
Unused 45%
Monthly Cost ¥2362/mo
www.nec.com
Other
Costly
Execution 751ms
Transfer 9 KB
Monthly Cost ¥1038/mo
s.go-mpulse.net
Other
Costly
Execution 497ms
Transfer 40 KB
Monthly Cost ¥687/mo
Unattributable
Other
Costly
Execution 443ms
Transfer 0 KB
Monthly Cost ¥612/mo
cdn-apac.onetrust.com
Other
Costly
Execution 352ms
Transfer 84 KB
Unused 42%
Monthly Cost ¥486/mo
tags.tiqcdn.com
Other
Costly
Execution 193ms
Transfer 52 KB
Monthly Cost ¥266/mo
Facebook Pixel
Advertising
Costly
Execution 111ms
Transfer 78 KB
Unused 70%
Monthly Cost ¥154/mo
www.nec.com
Other
Costly
Execution 63ms
Transfer 31 KB
Monthly Cost ¥87/mo

These scripts may cost more than they're worth

  • www.nec.com adds 1709ms and costs ~¥2362/month
  • www.nec.com adds 751ms and costs ~¥1038/month
  • s.go-mpulse.net adds 497ms and costs ~¥687/month
  • Unattributable adds 443ms and costs ~¥612/month
  • cdn-apac.onetrust.com adds 352ms and costs ~¥486/month
  • tags.tiqcdn.com adds 193ms and costs ~¥266/month
  • Facebook Pixel adds 111ms and costs ~¥154/month
  • www.nec.com adds 63ms and costs ~¥87/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.nec.com takes 1709ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

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

Source: web.dev

www.nec.com takes 751ms 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

s.go-mpulse.net takes 497ms 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 443ms 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

cdn-apac.onetrust.com takes 352ms 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

tags.tiqcdn.com takes 193ms 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

Facebook Pixel takes 111ms 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

70% of Facebook Pixel'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

www.nec.com takes 63ms 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

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