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https://www.newbalance.com

Performance

· 16 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
74
GRADE
C
FIX
4
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
30
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
89
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.

6.96 s

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

13.07 s

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

2.02 s

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.

7.71 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.

21.37 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
16
7 PASS 3 REVIEW 4 FIX
F
Page Weight Budget
Action
3.1 MB transferred, 99 requests
FIX
3.1 MB transferred, 99 requests
Warning::
Page weighs 9.3 MB (3.1 MB transferred)
Warning::
JavaScript is 1.9 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.9 MB
Info::
99 HTTP requests
Info::
Estimated 0.66 g CO2 per page load
3.1 MB / 2.4 MB budget
3.1 MB transferred
99 requests
0.66 g CO2 per page load
JavaScript 1.9 MiB 60%
Images 770.8 KiB 24%
CSS 193.6 KiB 6%
Fonts 141.6 KiB 4%
HTML 128.8 KiB 4%
Other 35.0 KiB 1%
Other 576 B 0%
0 2.4 MB 4.9 MB
Over 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

F
JS Execution Cost
Action
11259ms total JS execution
FIX
11259ms total JS execution
Warning::
https://www.newbalance.com/: 2392ms CPU time
Warning::
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9L...: 1460ms CPU time
Warning::
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9L...: 1381ms CPU time
Warning::
Unattributable: 1174ms CPU time
Warning::
https://e.cquotient.com/recs/aagi-NBUS/products-in...: 983ms CPU time
Info::
Third-party scripts: 2929ms (26% of total)

Main Thread Breakdown

Script Evaluation 67% Other 14% Style & Layout 8% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://www.newbalance.com/2392ms1246ms46ms1st
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9LQ/iOuXSkkD2pJSwQ/L3tjPw93/XBctZj/JoC2cB1460ms1200ms107ms1st
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9LQ/SVuXSkV5/AGZoPw93/WhdQYE/wufkdu?v=04fd24bf-fabc-eb6c-5f2a-159917970211&t=1153835071381ms1285ms55ms1st
Unattributable1174ms256ms0ms3rd
https://e.cquotient.com/recs/aagi-NBUS/products-in-all-categories-HP-Dual?callback=CQuotient._callback1&_=1775593276662&_device=android&userId=&cookieId=abLc76nuf4fOpX6YdTxiZNXz0s&ccver=1.01&realm=AAGI&siteId=NBUS&instanceType=prd&__cq_uuid=abLc76nuf4fOpX6YdTxiZNXz0s&v=v3.1.3&json=%7B%22userId%22%3A%22%22%2C%22cookieId%22%3A%22abLc76nuf4fOpX6YdTxiZNXz0s%22%2C%22ccver%22%3A%221.01%22%2C%22realm%22%3A%22AAGI%22%2C%22siteId%22%3A%22NBUS%22%2C%22instanceType%22%3A%22prd%22%2C%22__cq_uuid%22%3A%22abLc76nuf4fOpX6YdTxiZNXz0s%22%2C%22v%22%3A%22v3.1.3%22%7D983ms714ms72ms3rd
https://www.newbalance.com/assets/845d48f76e3c366658c697bbfda097f6da1e7fe15bd974ms785ms25ms1st
https://www.newbalance.com/on/demandware.static/Sites-NBUS-Site/-/en_US/v1775538505577/js/main.js793ms565ms54ms1st
https://js-cdn.dynatrace.com/jstag/16362cc0dec/bf50289sfy/394e822a8075a68e_complete.js617ms285ms28ms3rd
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9LQ/SVuXSkV5/AGZoPw93/WhdQYE/wufkdu?v=04fd24bf-fabc-eb6c-5f2a-159917970211401ms345ms44ms1st
https://www.newbalance.com/optimizelyjs/s/nnbus_hp.js379ms300ms57ms1st

Showing top 10 of 15 scripts

F
JS Bundles
Action
47 scripts, 506 KB unused
FIX
47 scripts, 506 KB unused
Warning::
https://www.newbalance.com/on/demandware.static/Si...: 116 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9L...: 96 KB unused (59%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://js-cdn.dynatrace.com/jstag/16362cc0dec/bf5...: 70 KB unused (54%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.newbalance.com/optimizelyjs/s/nnbus_hp...: 63 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9L...: 35 KB unused (22%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 506 KB
506 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.newbalance.com/on/demandware.static/Sites-NBUS-Site/-/en_US/v1775538505577/js/main.js165 KB116 KB (70%)✓1st
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9LQ/SVuXSkV5/AGZoPw93/WhdQYE/wufkdu?v=04fd24bf-fabc-eb6c-5f2a-159917970211162 KB96 KB (59%)✓1st
https://js-cdn.dynatrace.com/jstag/16362cc0dec/bf50289sfy/394e822a8075a68e_complete.js130 KB70 KB (54%)✓3rd
https://www.newbalance.com/optimizelyjs/s/nnbus_hp.js125 KB63 KB (51%)✓1st
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9LQ/iOuXSkkD2pJSwQ/L3tjPw93/XBctZj/JoC2cB165 KB35 KB (22%)✓1st
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9LQ/iOuXSkkD2pJSwQ/L3tjPw93/XBctZj/JoC2cB163 KB35 KB (22%)✓1st
https://s.go-mpulse.net/boomerang/WME2A-W3PJ6-VB62R-ENE69-TW59L57 KB34 KB (60%)✓3rd
https://www.newbalance.com/Rm0yo/ot7/DaIQ/BW/YmZ9LQ/SVuXSkV5/AGZoPw93/WhdQYE/wufkdu?v=04fd24bf-fabc-eb6c-5f2a-159917970211&t=115383507162 KB33 KB (21%)✓1st
https://www.newbalance.com/on/demandware.static/Sites-NBUS-Site/-/en_US/v1775538505577/js/tealiumInit.js27 KB23 KB (83%)✓1st
https://www.newbalance.com/assets/845d48f76e3c366658c697bbfda097f6da1e7fe15bd/e/65226_747628124.js32 KB—✓1st

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

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
Third-Party Impact
40% third-party, 0 ms blocking
REVIEW
40% third-party, 0 ms blocking
Info::
Third-party code accounts for 40% of page weight (1.3 MiB of 3.1 MiB)
Info::
Third-party blocking time is low (0 ms)
60%
40%
First-party Third-party
C
Image Optimization
Action
18 images, 0 KB saveable
REVIEW
18 images, 0 KB saveable
Warning::
data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nb.scene7.com/is/image/NB/u906027z_nb_02_i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nb.scene7.com/is/image/NB/melps31f_nb_02_i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.newbalance.com/on/demandware.static/Si... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nb.scene7.com/is/image/NB/mb6180taafg_nb_7... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nb.scene7.com/is/image/NB/mt61u4joaav_nb_7... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://nb.scene7.com/is/image/NB/ml574evg_nb_02_i... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.newbalance.com/on/demandware.static/Si... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
18 images 771 KB
0 oversized -0 KB
7 legacy format
9 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

Performance issues directly impact user engagement and conversion rates.

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

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
7 fonts (142 KB)
PASS
7 fonts (142 KB)
Info::
7 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

7

142 KB total

Render-blocking

0

of 7

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 7.0 s LCP 13.1 shttps://fast.fonts.net/dv2/14/b38b8bd9-d96f-4bf9-add1-adbd2b08b802.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205b38b8bd9-d96f-4bf9-add1... https://fast.fonts.net/dv2/14/b38b8bd9-d96f-4bf9-add1-adbd2b08b802.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205 — 28.1 KiB — 0 ms — font-display: swaphttps://fast.fonts.net/dv2/14/c7dcb253-8dca-459b-aaa9-afef9131ef22.woff2?d44f19a684109620e4841671a490e8184d0290952ccaf3d0361d8ce07bc066dd6c8b4a94c2b2c0ca5947447b5e589b7eb1a4b9eecc0e2745dfa6b77e5e8e236d0fab81c36e117635d502498a89aac089bc12b17b8055ec8c0708e367784a0e33f579134811c1e42236e22e284d26b7286bbc615084498ad9ca49b3cabde4708fa05d5a5a26458ca1269e2957bb71463060cb91f5195becaf6998bc1cdb49dd0044466135274f886c62cfa485a4c37c741c90c8a3f613b2e753e3d21ee4bd95051912f6ade6ad41ebc492085ebfe6d96fbbc7fd5503010c1d599fa8e499587986e12a7952d66d0f28503f6cefce13e833e6043c6f34b00c646ba65ac3d04d6d19aef8f05799f136492c38aeeae5f0a4838efe3013dc75bdf3966060&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205c7dcb253-8dca-459b-aaa9... https://fast.fonts.net/dv2/14/c7dcb253-8dca-459b-aaa9-afef9131ef22.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205 — 28.8 KiB — 0 ms — font-display: swaphttps://fast.fonts.net/dv2/14/efbaf613-e78b-4aed-bef6-b79bd8bedcdb.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205efbaf613-e78b-4aed-bef6... https://fast.fonts.net/dv2/14/efbaf613-e78b-4aed-bef6-b79bd8bedcdb.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205 — 28.1 KiB — 0 ms — font-display: swaphttps://fast.fonts.net/dv2/14/cc85d073-4dcf-4ecd-9804-40c34e631e2b.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205cc85d073-4dcf-4ecd-9804... https://fast.fonts.net/dv2/14/cc85d073-4dcf-4ecd-9804-40c34e631e2b.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205 — 29.9 KiB — 0 ms — font-display: swaphttps://fast.fonts.net/dv2/14/3a5ab19f-4e43-4a8e-b713-69876bc3ac90.woff2?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&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b22053a5ab19f-4e43-4a8e-b713... https://fast.fonts.net/dv2/14/3a5ab19f-4e43-4a8e-b713-69876bc3ac90.woff2?d44f19a684109620e4841671a490e8184d0290952ccaf3d0361d8ce07bc066dd6c8b4a94c2b2c0ca5947447b5e589b7eb1a4b9eecc0e2745dfa6b77e5e8e236d0fab81c36e117635d502498a89aac089bc12b17b8055ec8c0708e367784a0e33f579134811c1e42236e22e284d26b7286bbc615084498ad9ca49b3cabde4708fa05d5a5a26458ca1269e2957bb71463060cb91f5195becaf6998bc1cdb49dd0044466135274f886c62cfa485a4c37c741c90c8a3f613b2e753e3d21ee4bd95051912f6ade6ad41ebc492085ebfe6d96fbbc7fd5503010c1d599fa8e499587986e12a7952d66d0f28503f6cefce13e833e6043c6f34b00c646ba65ac3d04d6d19aef8f05799f136492c38aeeae5f0a4838efe3013dc75bdf3966060&projectId=d7a3579b-3fe3-4499-8bb6-2cfcf90b2205 — 26.7 KiB — 0 ms — font-display: swaphttps://www.newbalance.com/on/demandware.static/Sites-NBUS-Site/-/en_US/v1775538505577/css/fonts/slick.woffslick.woff https://www.newbalance.com/on/demandware.static/Sites-NBUS-Site/-/en_US/v1775538505577/css/fonts/slick.woff — 48 B — 0 ms — font-display: swaphttps://www.newbalance.com/on/demandware.static/Sites-NBUS-Site/-/en_US/v1775538505577/css/fonts/slick.ttfslick.ttf https://www.newbalance.com/on/demandware.static/Sites-NBUS-Site/-/en_US/v1775538505577/css/fonts/slick.ttf — 0 B — 0 ms — font-display: swap
b38b8bd9-d96f-4bf9-add1... woff2 swap
Size 28 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
c7dcb253-8dca-459b-aaa9... woff2 swap
Size 29 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
efbaf613-e78b-4aed-bef6... woff2 swap
Size 28 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
cc85d073-4dcf-4ecd-9804... woff2 swap
Size 30 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
3a5ab19f-4e43-4a8e-b713... woff2 swap
Size 27 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
slick.woff woff swap
Size 0 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
slick.ttf ttf swap
Size 0 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A+
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
99 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
26% of JavaScript execution is third-party
First-party Third-party 2929ms · 209KB · $55/mo
Unattributable
Other
Costly
Execution 1174ms
Transfer 0 KB
Monthly Cost $22/mo
e.cquotient.com
Other
Costly
Execution 983ms
Transfer 1 KB
Monthly Cost $18/mo
js-cdn.dynatrace.com
Other
Costly
Execution 617ms
Transfer 130 KB
Unused 54%
Monthly Cost $12/mo
cdn.cquotient.com
Other
Optional
Execution 90ms
Transfer 21 KB
Monthly Cost $2/mo
s.go-mpulse.net
Other
Optional
Execution 65ms
Transfer 57 KB
Unused 60%
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Unattributable adds 1174ms and costs ~$22/month
  • e.cquotient.com adds 983ms and costs ~$18/month
  • js-cdn.dynatrace.com adds 617ms and costs ~$12/month

Unattributable takes 1174ms 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

e.cquotient.com takes 983ms 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-cdn.dynatrace.com takes 617ms 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

54% of js-cdn.dynatrace.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

60% of s.go-mpulse.net'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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