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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
69
GRADE
D
FIX
5
REVIEW
2
PASS
8
INFO
2

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

Mobile Desktop
38
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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

5.10 s

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

18.60 s

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

932 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.

6.81 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.

18.87 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 2 REVIEW 5 FIX
F
Page Weight Budget
Action
2.7 MB transferred, 73 requests
FIX
2.7 MB transferred, 73 requests
Warning::
Page weighs 10.7 MB (2.7 MB transferred)
Warning::
JavaScript is 2.2 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 2.2 MB
Info::
73 HTTP requests
Info::
Estimated 0.57 g CO2 per page load
2.7 MB / 2.4 MB budget
2.7 MB transferred
73 requests
0.57 g CO2 per page load
JavaScript 2.2 MiB 80%
Images 219.4 KiB 8%
CSS 137.2 KiB 5%
Fonts 133.3 KiB 5%
HTML 30.7 KiB 1%
Other 28.5 KiB 1%
Other 1.1 KiB 0%
Other 230 B 0%
Other 0 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

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 (2.7 MiB of 2.7 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
JS Execution Cost
Action
5149ms total JS execution
FIX
5149ms total JS execution
Warning::
https://e.video-cdn.net/v2/embed.js: 1199ms CPU time
Warning::
https://www.db.com/: 927ms CPU time
Warning::
https://prod2.master.db.com/application/version/la...: 668ms CPU time
Warning::
https://app.usercentrics.eu/browser-ui/3.99.0/inde...: 602ms CPU time
Warning::
Unattributable: 497ms CPU time
Warning::
Third-party scripts: 5149ms (100% of total)

Main Thread Breakdown

Script Evaluation 43% Other 19% Style & Layout 16% Script Parsing & Compilation 12% Rendering 5% Parse HTML & CSS 3%
ScriptTotalScriptingParse/CompileParty
https://e.video-cdn.net/v2/embed.js1199ms764ms355ms3rd
https://www.db.com/927ms45ms4ms3rd
https://prod2.master.db.com/application/version/latest/js/mainJs.js?20241206668ms364ms111ms3rd
https://app.usercentrics.eu/browser-ui/3.99.0/index.module.js602ms443ms2ms3rd
Unattributable497ms77ms0ms3rd
https://privacy-proxy.usercentrics.eu/latest/uc-block.bundle.js487ms266ms10ms3rd
https://www.db.com/eye-able/public/js/eyeAble.js399ms78ms43ms3rd
https://www.db.com/application/shared/js/sharedInternetJs.js?20260407158ms99ms59ms3rd
https://www.db.com/application/project/js/dbcomJs.js?v5123ms82ms41ms3rd
https://prod2.master.db.com/application/version/latest/css/mainStyles.css?2024120688ms0ms0ms3rd
F
JS Bundles
Action
25 scripts, 1.6 MB unused
FIX
25 scripts, 1.6 MB unused
Warning::
https://e.video-cdn.net/v2/embed.js: 934 KB unused (79%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.db.com/application/shared/js/sharedInt...: 214 KB unused (82%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://prod2.master.db.com/application/version/la...: 173 KB unused (65%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.db.com/application/project/js/dbcomJs....: 115 KB unused (72%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.db.com/eye-able/public/js/eyeAble.js: 92 KB unused (71%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 1.6 MB
1604 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://e.video-cdn.net/v2/embed.js1187 KB934 KB (79%)✓3rd
https://www.db.com/application/shared/js/sharedInternetJs.js?20260407260 KB214 KB (82%)✓3rd
https://prod2.master.db.com/application/version/latest/js/mainJs.js?20241206267 KB173 KB (65%)✓3rd
https://www.db.com/application/project/js/dbcomJs.js?v5159 KB115 KB (72%)✓3rd
https://www.db.com/eye-able/public/js/eyeAble.js129 KB92 KB (71%)✓3rd
https://app.usercentrics.eu/browser-ui/3.99.0/index.module.js121 KB53 KB (44%)✓3rd
https://app.usercentrics.eu/browser-ui/3.99.0/VirtualServiceItem-e4cab338.js49 KB24 KB (50%)✓3rd
https://app.usercentrics.eu/browser-ui/3.99.0/DefaultData-3e2b2c3c-a6380bf2.js1 KB—✓3rd
https://app.usercentrics.eu/browser-ui/3.99.0/ButtonsCustomization-eaf3a10e-db464fbf.js0 KB—✓3rd
https://www.db.com/eye-able/public/js/www.db.com.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

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
Page Weight Inventory
Action
73 resources · 2.7 MB · 1.6 MB savings available
FIX
73 resources · 2.7 MB · 1.6 MB savings available
Warning::
Page weight 1.7 MB over 1MB target
Got: 2.7 MB Expected: ≤ 1 MB
Info::
~1.6 MB of savings available
Warning::
72 third-party resources (100% of weight)
Info::
3 resources over 200KB
73 resources · 2.7 MiB · 72 third-party 1.7 MiB over 1MB target
JavaScript 80% · 2.2 MiB
Image 8% · 220.4 KiB
CSS 5% · 137.2 KiB
Font 5% · 133.3 KiB
Document 1% · 30.9 KiB
Other 1% · 28.6 KiB

~1.6 MiB of savings available

Remove unused JavaScript: 1.6 MiB
C
Image Optimization
Action
14 images, 0 KB saveable
REVIEW
14 images, 0 KB saveable
Warning::
https://www.db.com/contentAsset/image/7ac70bc5-49a... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.db.com/application/project/images/logo... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
14 images 219 KB
0 oversized -0 KB
14 legacy format
2 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

B
HTTP Caching
private
REVIEW
private
Info::
Cache-Control header is set
Got: private
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

private

DirectiveValueMeaning
private—Only browser cache, not CDN/proxy
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
1 fonts (133 KB)
PASS
1 fonts (133 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

133 KB total

Render-blocking

0

of 1

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 14.0 s 16.0 s 18.0 s FCP 5.1 s LCP 18.6 shttps://prod2.master.db.com/application/version/latest/css/src/assets/fonts/DeutscheBankVar.woff2DeutscheBankVar.woff2 https://prod2.master.db.com/application/version/latest/css/src/assets/fonts/DeutscheBankVar.woff2 — 133.3 KiB — 55 ms — font-display: swap
DeutscheBankVar.woff2 woff2 swap
Size 133 KB
Load time 55 ms
Start 456 ms
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
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 ~67 KB and ~134 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
5 hints, 0 missing preconnects
PASS
5 hints, 0 missing preconnects
Info::
Page uses 5 resource hint(s)

Current Resource Hints

preconnect
3
preload
2
dns-prefetch
—
prefetch
—

5 resource hints configured

A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Google Cloud

Network Waterfall
73 requests over 1580ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s FCP 5.1 s LCP 18.6 shttps://db.com// https://db.com/ — 301 — 135 B — 62 ms — h2https://www.db.com/www.db.com/ https://www.db.com/ — 200 — 29.0 KiB — 85 ms — h2https://prod2.master.db.com/application/version/latest/css/mainStyles.css?20241206prod2.master.db.com/application/ver... https://prod2.master.db.com/application/version/latest/css/mainStyles.css?20241206 — 200 — 114.2 KiB — 223 ms — h2https://app.usercentrics.eu/browser-ui/latest/loader.jsapp.usercentrics.eu/browser-ui/late... https://app.usercentrics.eu/browser-ui/latest/loader.js — 200 — 10.8 KiB — 75 ms — h2https://privacy-proxy.usercentrics.eu/latest/uc-block.bundle.jsprivacy-proxy.usercentrics.eu/lates... https://privacy-proxy.usercentrics.eu/latest/uc-block.bundle.js — 200 — 30.5 KiB — 116 ms — h2https://www.db.com/application/project/css/ghpStyles.csswww.db.com/application/project/css/... https://www.db.com/application/project/css/ghpStyles.css — 200 — 768 B — 27 ms — h2https://www.db.com/application/project/css/dbcomStyles.css?v3www.db.com/application/project/css/... https://www.db.com/application/project/css/dbcomStyles.css?v3 — 200 — 1.2 KiB — 27 ms — h2https://www.db.com/application/shared/css/sharedInternetStyles.css?20260407www.db.com/application/shared/css/s... https://www.db.com/application/shared/css/sharedInternetStyles.css?20260407 — 200 — 10.8 KiB — 29 ms — h2https://www.db.com/application/project/images/logos/identifier_RETINA.pngwww.db.com/application/project/imag... https://www.db.com/application/project/images/logos/identifier_RETINA.png — 200 — 2.8 KiB — 28 ms — h2https://www.db.com/application/project/js/scrollposition.jswww.db.com/application/project/js/s... https://www.db.com/application/project/js/scrollposition.js — 200 — 804 B — 29 ms — h2https://prod2.master.db.com/application/version/latest/js/webtrekk.js?452prod2.master.db.com/application/ver... https://prod2.master.db.com/application/version/latest/js/webtrekk.js?452 — 200 — 19.1 KiB — 83 ms — h2https://prod2.master.db.com/application/version/latest/js/mainJs.js?20241206prod2.master.db.com/application/ver... https://prod2.master.db.com/application/version/latest/js/mainJs.js?20241206 — 200 — 266.6 KiB — 191 ms — h2https://app.usercentrics.eu/browser-ui/3.99.0/index.module.jsapp.usercentrics.eu/browser-ui/3.99... https://app.usercentrics.eu/browser-ui/3.99.0/index.module.js — 200 — 120.7 KiB — 76 ms — h3https://www.db.com/application/project/js/ghpJs.jswww.db.com/application/project/js/g... https://www.db.com/application/project/js/ghpJs.js — 200 — 540 B — 21 ms — h3https://www.db.com/application/project/js/dbcomJs.js?v5www.db.com/application/project/js/d... https://www.db.com/application/project/js/dbcomJs.js?v5 — 200 — 159.4 KiB — 59 ms — h3https://api.usercentrics.eu/settings/ploAW1D5w/latest/languages.jsonapi.usercentrics.eu/settings/ploAW1... https://api.usercentrics.eu/settings/ploAW1D5w/latest/languages.json — 200 — 0 B — 89 ms — h2https://www.db.com/application/shared/js/sharedInternetJs.js?20260407www.db.com/application/shared/js/sh... https://www.db.com/application/shared/js/sharedInternetJs.js?20260407 — 200 — 259.9 KiB — 45 ms — h3https://prod2.master.db.com/application/themes/default/favicon/manifest.jsonprod2.master.db.com/application/the... https://prod2.master.db.com/application/themes/default/favicon/manifest.json — 200 — 230 B — 121 ms — h3https://www.db.com/eye-able/public/js/www.db.com.jswww.db.com/eye-able/public/js/www.d... https://www.db.com/eye-able/public/js/www.db.com.js — 200 — 494 B — 70 ms — h3https://www.db.com/eye-able/public/js/eyeAble.jswww.db.com/eye-able/public/js/eyeAb... https://www.db.com/eye-able/public/js/eyeAble.js — 200 — 128.6 KiB — 101 ms — h3https://api.usercentrics.eu/settings/ploAW1D5w/latest/languages.jsonapi.usercentrics.eu/settings/ploAW1... https://api.usercentrics.eu/settings/ploAW1D5w/latest/languages.json — 200 — 666 B — 48 ms — h2https://prod2.master.db.com/application/version/latest/css/src/assets/fonts/DeutscheBankVar.woff2prod2.master.db.com/application/ver... https://prod2.master.db.com/application/version/latest/css/src/assets/fonts/DeutscheBankVar.woff2 — 200 — 133.3 KiB — 55 ms — h3https://mit.db.com/286813086616891/wt.pl?p=452,www.db.com_ENG_%2Findex,1,412x823,24,1,1776898159500,0,412x823,0&nc=1&la=en&cp1=Home&np=&pu=https%3A%2F%2Fwww.db.com%2Fmit.db.com/286813086616891/wt.pl?p=... https://mit.db.com/286813086616891/wt.pl?p=452,www.db.com_ENG_%2Findex,1,412x823,24,1,1776898159500,0,412x823,0&nc=1&la=en&cp1=Home&np=&pu=https%3A%2F%2Fwww.db.com%2F — 200 — 373 B — 261 ms — h2https://api.usercentrics.eu/settings/ploAW1D5w/latest/en.jsonapi.usercentrics.eu/settings/ploAW1... https://api.usercentrics.eu/settings/ploAW1D5w/latest/en.json — 200 — 0 B — 42 ms — h3https://api.usercentrics.eu/settings/ploAW1D5w/latest/en.jsonapi.usercentrics.eu/settings/ploAW1... https://api.usercentrics.eu/settings/ploAW1D5w/latest/en.json — 200 — 8.2 KiB — 49 ms — h3https://www.db.com/api/content/limit/4/offset/0/render/false/type/json/query/%20+((categories:mediaRelease%20categories:adHocRelease%20categories:podcast2%20categories:event1%20categories:news%20categories:research)%20&&%20(categories:ghpHome1))%20%20+C03News.publishDate:%5B20250101000000%20to%2020261231235959%5D%20+languageId:1%20+deleted:false%20/orderby/C03News.publishDate%20descwww.db.com/api/content/limit/4/offs... https://www.db.com/api/content/limit/4/offset/0/render/false/type/json/query/%20+((categories:mediaRelease%20categories:adHocRelease%20categories:podcast2%20categories:event1%20categories:news%20categories:research)%20&&%20(categories:ghpHome1))%20%20+C03News.publishDate:%5B20250101000000%20to%2020261231235959%5D%20+languageId:1%20+deleted:false%20/orderby/C03News.publishDate%20desc — 200 — 8.9 KiB — 89 ms — h3https://www.db.com/api/content/limit/9/offset/0/render/false/type/json/query/%20+((categories:news13%20categories:whatNext2%20categories:flowArticle)%20&&%20(categories:digitalDisruption%20categories:entrepreneurialSuccess%20categories:entrepreneurialSuccess1%20categories:responsibleGrowth%20categories:cashManagement1%20categories:dossierCovid191%20categories:flowCaseStudies%20categories:macroAndMarkets1%20categories:podcast1%20categories:regulation1%20categories:securitiesServices1%20categories:sustainableFinance1%20categories:technology2%20categories:tradeFinance1%20categories:trustAndAgencyServices1)%20&&%20(categories:ghpHomeWhatnext%20categories:ghpHomeExpedition150%20categories:ghpHomeFlow))%20%20+C03News.publishDate:%5B20240101000000%20to%2020261231235959%5D%20+(conhost:d78ff8dc-17e1-4cdb-8090-b0d30517408f%20conhost:8e29bc28-e0f6-40f1-930a-6258631a0985%20conhost:0d0cbd30-b8b7-4c02-89ac-477434b732b4%20)%20+languageId:1%20+deleted:false%20/orderby/C03News.publishDate%20descwww.db.com/api/content/limit/9/offs... https://www.db.com/api/content/limit/9/offset/0/render/false/type/json/query/%20+((categories:news13%20categories:whatNext2%20categories:flowArticle)%20&&%20(categories:digitalDisruption%20categories:entrepreneurialSuccess%20categories:entrepreneurialSuccess1%20categories:responsibleGrowth%20categories:cashManagement1%20categories:dossierCovid191%20categories:flowCaseStudies%20categories:macroAndMarkets1%20categories:podcast1%20categories:regulation1%20categories:securitiesServices1%20categories:sustainableFinance1%20categories:technology2%20categories:tradeFinance1%20categories:trustAndAgencyServices1)%20&&%20(categories:ghpHomeWhatnext%20categories:ghpHomeExpedition150%20categories:ghpHomeFlow))%20%20+C03News.publishDate:%5B20240101000000%20to%2020261231235959%5D%20+(conhost:d78ff8dc-17e1-4cdb-8090-b0d30517408f%20conhost:8e29bc28-e0f6-40f1-930a-6258631a0985%20conhost:0d0cbd30-b8b7-4c02-89ac-477434b732b4%20)%20+languageId:1%20+deleted:false%20/orderby/C03News.publishDate%20desc — 200 — 3.8 KiB — 122 ms — h3https://charts3.equitystory.com/api/deutschebank/English/feed/?timestamp=1776898159732charts3.equitystory.com/api/deutsch... https://charts3.equitystory.com/api/deutschebank/English/feed/?timestamp=1776898159732 — 200 — 881 B — 247 ms — h2https://www.db.com/contentAsset/image/7ca307f2-2a35-43ee-acda-c0921b332c3f/fileAsset/filter/Jpegwww.db.com/contentAsset/image/7ca30... https://www.db.com/contentAsset/image/7ca307f2-2a35-43ee-acda-c0921b332c3f/fileAsset/filter/Jpeg — 200 — 39.7 KiB — 82 ms — h3https://www.db.com/contentAsset/image/85107a1f-5b6e-45de-8751-0b9d5982f2f1/fileAsset/filter/Jpegwww.db.com/contentAsset/image/85107... https://www.db.com/contentAsset/image/85107a1f-5b6e-45de-8751-0b9d5982f2f1/fileAsset/filter/Jpeg — 200 — 26.4 KiB — 71 ms — h3
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s FCP 5.1 s LCP 18.6 shttps://db.com// https://db.com/ — 301 — 135 B — 62 ms — h2https://www.db.com/www.db.com/ https://www.db.com/ — 200 — 29.0 KiB — 85 ms — h2https://prod2.master.db.com/application/version/latest/css/mainStyles.css?20241206prod2.master.db.com/application/ver... https://prod2.master.db.com/application/version/latest/css/mainStyles.css?20241206 — 200 — 114.2 KiB — 223 ms — h2https://app.usercentrics.eu/browser-ui/latest/loader.jsapp.usercentrics.eu/browser-ui/late... https://app.usercentrics.eu/browser-ui/latest/loader.js — 200 — 10.8 KiB — 75 ms — h2https://privacy-proxy.usercentrics.eu/latest/uc-block.bundle.jsprivacy-proxy.usercentrics.eu/lates... https://privacy-proxy.usercentrics.eu/latest/uc-block.bundle.js — 200 — 30.5 KiB — 116 ms — h2https://www.db.com/application/project/css/ghpStyles.csswww.db.com/application/project/css/... https://www.db.com/application/project/css/ghpStyles.css — 200 — 768 B — 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Other
Costly
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prod2.master.db.com
Other
Costly
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Unused 65%
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app.usercentrics.eu
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Other
Costly
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www.db.com
Other
Costly
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www.db.com
Other
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Monthly Cost €2/mo
www.db.com
Other
Optional
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Unused 72%
Monthly Cost €1/mo
prod2.master.db.com
Other
Optional
Execution 88ms
Transfer 114 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • e.video-cdn.net adds 1199ms and costs ~€13/month
  • www.db.com adds 927ms and costs ~€10/month
  • prod2.master.db.com adds 668ms and costs ~€7/month
  • app.usercentrics.eu adds 602ms and costs ~€7/month
  • Unattributable adds 497ms and costs ~€5/month
  • privacy-proxy.usercentrics.eu adds 487ms and costs ~€5/month
  • www.db.com adds 399ms 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

e.video-cdn.net takes 1199ms 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

79% of e.video-cdn.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

www.db.com takes 927ms 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

prod2.master.db.com takes 668ms 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

65% of prod2.master.db.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

app.usercentrics.eu takes 602ms 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 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

privacy-proxy.usercentrics.eu takes 487ms 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.db.com takes 399ms 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

71% of www.db.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

82% of www.db.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

72% of www.db.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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