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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
72
GRADE
C
FIX
5
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
41
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
95
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.

3.04 s

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

12.13 s

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

537 ms

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

0.144

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

23.79 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.

12.43 s

Page Load Progression

4.2 s
8.3 s
12.5 s
16.6 s
20.8 s
25.0 s
29.1 s
33.3 s
Checks
17
7 PASS 3 REVIEW 5 FIX
D
Page Weight Budget
Action
2.1 MB transferred, 49 requests
FIX
2.1 MB transferred, 49 requests
Info::
Page weighs 4.5 MB (2.1 MB transferred)
Warning::
JavaScript is 893 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 893 KB
Info::
Fonts are 278 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 278 KB
Info::
49 HTTP requests
Info::
Estimated 0.45 g CO2 per page load
2.1 MB / 2.4 MB budget
2.1 MB transferred
49 requests
0.45 g CO2 per page load
JavaScript 893.3 KiB 41%
Images 887.7 KiB 40%
Fonts 277.5 KiB 13%
CSS 101.0 KiB 5%
HTML 21.7 KiB 1%
Other 9.4 KiB 0%
Other 5.6 KiB 0%
0 2.4 MB 4.9 MB
Approaching limit

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

Why this matters

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

Source: web.dev

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

Why this matters

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

Source: web.dev font loading

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 (2.1 MiB of 2.1 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
3025ms total JS execution
FIX
3025ms total JS execution
Warning::
https://www.destatis.de/SiteGlobals/Frontend/JavaS...: 1497ms CPU time
Warning::
https://www.destatis.de/DE/Home/_inhalt.html: 853ms CPU time
Warning::
Unattributable: 674ms CPU time
Warning::
Third-party scripts: 3025ms (100% of total)

Main Thread Breakdown

Style & Layout 26% Script Evaluation 26% Other 22% Script Parsing & Compilation 14% Rendering 5% Parse HTML & CSS 4%
ScriptTotalScriptingParse/CompileParty
https://www.destatis.de/SiteGlobals/Frontend/JavaScript/init/global.js?v=591497ms772ms444ms3rd
https://www.destatis.de/DE/Home/_inhalt.html853ms5ms1ms3rd
Unattributable674ms9ms0ms3rd
F
JS Bundles
Action
2 scripts, 584 KB unused
FIX
2 scripts, 584 KB unused
Warning::
https://www.destatis.de/SiteGlobals/Frontend/JavaS...: 584 KB unused (66%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.destatis.de/SiteGlobals/Frontend/JavaS...: unminified — 151 KB could be saved
Info::
Total unused JavaScript: 584 KB
584 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.destatis.de/SiteGlobals/Frontend/JavaScript/init/global.js?v=59893 KB584 KB (66%)✗3rd
https://faktenfuchs.destatis.bundesbots.de/widget/widget/0 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

F
Page Weight Inventory
Action
49 resources · 2.1 MB · 584 KB savings available
FIX
49 resources · 2.1 MB · 584 KB savings available
Warning::
Page weight 1.1 MB over 1MB target
Got: 2.1 MB Expected: ≤ 1 MB
Info::
~584 KB of savings available
Warning::
48 third-party resources (100% of weight)
Info::
2 resources over 200KB
49 resources · 2.1 MiB · 48 third-party 1.1 MiB over 1MB target
JavaScript 41% · 893.3 KiB
Image 41% · 890.3 KiB
Font 13% · 277.5 KiB
CSS 5% · 101.0 KiB
Document 1% · 29.8 KiB
Other 0% · 4.2 KiB

~583.7 KiB of savings available

Remove unused JavaScript: 583.7 KiB
C
Image Optimization
Action
25 images, 0 KB saveable
REVIEW
25 images, 0 KB saveable
Warning::
https://www.destatis.de/DE/Home/_documents/_aktuel... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/SiteGlobals/Frontend/Image... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Home/Bilder/standardkac... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Methoden/Bilder/wista-l... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Home/_documents/_aktuel... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/SiteGlobals/Frontend/Image... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Home/Bilder/standardkac... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Home/_documents/_aktuel... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Home/_documents/_aktuel... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/SiteGlobals/Frontend/Image... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Home/_documents/_aktuel... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Home/Bilder/kachelbild-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/SharedDocs/Bilder/DE/Allge... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.destatis.de/DE/Service/Statistik-Campu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
25 images 888 KB
0 oversized -0 KB
25 legacy format
14 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

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

Green Hosting

No green hosting detected

B
HTTP Caching
max-age=0
REVIEW
max-age=0
Info::
Cache-Control header is set
Got: max-age=0
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

max-age=0

DirectiveValueMeaning
max-age0Cache for 0 seconds
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 (278 KB)
PASS
7 fonts (278 KB)
Info::
7 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

7

278 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 14.0 s 16.0 s 18.0 s 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s FCP 3.0 s LCP 12.1 shttps://www.destatis.de/static/fonts/statissans/StatisSans-Bold.woff2StatisSans-Bold.woff2 https://www.destatis.de/static/fonts/statissans/StatisSans-Bold.woff2 — 38.4 KiB — 321 ms — font-display: swaphttps://www.destatis.de/static/fonts/statissans/StatisSans-Italic.woff2StatisSans-Italic.woff2 https://www.destatis.de/static/fonts/statissans/StatisSans-Italic.woff2 — 39.4 KiB — 489 ms — font-display: swaphttps://www.destatis.de/static/fonts/statissans/StatisSans-Regular.woff2StatisSans-Regular.woff2 https://www.destatis.de/static/fonts/statissans/StatisSans-Regular.woff2 — 37.1 KiB — 490 ms — font-display: swaphttps://www.destatis.de/static/fonts/statissans/StatisSans-Medium.woff2StatisSans-Medium.woff2 https://www.destatis.de/static/fonts/statissans/StatisSans-Medium.woff2 — 38.3 KiB — 492 ms — font-display: swaphttps://www.destatis.de/static/fonts/statissans/StatisSans-Light.woff2StatisSans-Light.woff2 https://www.destatis.de/static/fonts/statissans/StatisSans-Light.woff2 — 38.1 KiB — 493 ms — font-display: swaphttps://www.destatis.de/static/fonts/statissans/StatisSans-Book.woff2StatisSans-Book.woff2 https://www.destatis.de/static/fonts/statissans/StatisSans-Book.woff2 — 47.9 KiB — 494 ms — font-display: swaphttps://www.destatis.de/static/fonts/statissans/StatisSans-SemiBold.woff2StatisSans-SemiBold.woff2 https://www.destatis.de/static/fonts/statissans/StatisSans-SemiBold.woff2 — 38.3 KiB — 199 ms — font-display: swap
StatisSans-Bold.woff2 woff2 swap
Size 38 KB
Load time 321 ms
Start 2.6 s
Risk FOUT — text flashes from fallback to web font
StatisSans-Italic.woff2 woff2 swap
Size 39 KB
Load time 489 ms
Start 2.6 s
Risk FOUT — text flashes from fallback to web font
StatisSans-Regular.woff2 woff2 swap
Size 37 KB
Load time 490 ms
Start 2.6 s
Risk FOUT — text flashes from fallback to web font
StatisSans-Medium.woff2 woff2 swap
Size 38 KB
Load time 492 ms
Start 2.6 s
Risk FOUT — text flashes from fallback to web font
StatisSans-Light.woff2 woff2 swap
Size 38 KB
Load time 493 ms
Start 2.6 s
Risk FOUT — text flashes from fallback to web font
StatisSans-Book.woff2 woff2 swap
Size 48 KB
Load time 494 ms
Start 2.6 s
Risk FOUT — text flashes from fallback to web font
StatisSans-SemiBold.woff2 woff2 swap
Size 38 KB
Load time 199 ms
Start 33.1 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)
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
49 requests over 33338ms
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 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s FCP 3.0 s LCP 12.1 shttps://destatis.de// https://destatis.de/ — 302 — 584 B — 1.0 s — h2https://www.destatis.de/www.destatis.de/ https://www.destatis.de/ — 302 — 2.4 KiB — 609 ms — h2https://www.destatis.de/DE/Home/_inhalt.htmlwww.destatis.de/DE/Home/_inhalt.htm... https://www.destatis.de/DE/Home/_inhalt.html — 200 — 21.7 KiB — 395 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/normalize.css?v=3www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/normalize.css?v=3 — 200 — 3.3 KiB — 232 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/_libs.css?v=2www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/_libs.css?v=2 — 200 — 15.8 KiB — 442 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/small.css?v=103www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/small.css?v=103 — 200 — 41.6 KiB — 425 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/medium.css?v=66www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/medium.css?v=66 — 200 — 9.4 KiB — 427 ms — h2https://faktenfuchs.destatis.bundesbots.de/widget/widget/faktenfuchs.destatis.bundesbots.de/... https://faktenfuchs.destatis.bundesbots.de/widget/widget/ — -1 — 0 B — 30.8 s — https://www.destatis.de/SiteGlobals/Frontend/Styles/large.css?v=78www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/large.css?v=78 — 200 — 14.1 KiB — 435 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/custom.css?v=70www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/custom.css?v=70 — 200 — 4.6 KiB — 427 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/custom_destatis.css?v=43www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/custom_destatis.css?v=43 — 200 — 2.9 KiB — 429 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/custom_xmas.css?v=2www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/custom_xmas.css?v=2 — 200 — 2.6 KiB — 431 ms — h2https://www.destatis.de/SiteGlobals/Frontend/JavaScript/init/global.js?v=59www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/JavaScript/init/global.js?v=59 — 200 — 893.3 KiB — 1.2 s — h2https://www.destatis.de/SiteGlobals/Frontend/Images/logo.svg?__blob=normal&v=11www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Images/logo.svg?__blob=normal&v=11 — 200 — 23.9 KiB — 378 ms — h2https://www.destatis.de/SiteGlobals/Forms/_components/Buttons/Submit_weiss.svg?__blob=image&v=1www.destatis.de/SiteGlobals/Forms/_... https://www.destatis.de/SiteGlobals/Forms/_components/Buttons/Submit_weiss.svg?__blob=image&v=1 — 200 — 3.0 KiB — 579 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Images/icons/achtung.svg?__blob=normal&v=5www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Images/icons/achtung.svg?__blob=normal&v=5 — 200 — 2.7 KiB — 581 ms — h2https://www.destatis.de/SiteGlobals/Forms/_components/Buttons/Submit_blau.svg?__blob=image&v=1www.destatis.de/SiteGlobals/Forms/_... https://www.destatis.de/SiteGlobals/Forms/_components/Buttons/Submit_blau.svg?__blob=image&v=1 — 200 — 3.0 KiB — 580 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Images/icons/sprite.svg?__blob=normal&v=37www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Images/icons/sprite.svg?__blob=normal&v=37 — 200 — 206.4 KiB — 704 ms — h2https://www.destatis.de/static/fonts/statissans/StatisSans-Bold.woff2www.destatis.de/static/fonts/statis... https://www.destatis.de/static/fonts/statissans/StatisSans-Bold.woff2 — 200 — 38.4 KiB — 321 ms — h2https://www.destatis.de/static/fonts/statissans/StatisSans-Italic.woff2www.destatis.de/static/fonts/statis... https://www.destatis.de/static/fonts/statissans/StatisSans-Italic.woff2 — 200 — 39.4 KiB — 489 ms — h2https://www.destatis.de/static/fonts/statissans/StatisSans-Regular.woff2www.destatis.de/static/fonts/statis... https://www.destatis.de/static/fonts/statissans/StatisSans-Regular.woff2 — 200 — 37.1 KiB — 490 ms — h2https://www.destatis.de/static/fonts/statissans/StatisSans-Medium.woff2www.destatis.de/static/fonts/statis... https://www.destatis.de/static/fonts/statissans/StatisSans-Medium.woff2 — 200 — 38.3 KiB — 492 ms — h2https://www.destatis.de/static/fonts/statissans/StatisSans-Light.woff2www.destatis.de/static/fonts/statis... https://www.destatis.de/static/fonts/statissans/StatisSans-Light.woff2 — 200 — 38.1 KiB — 493 ms — h2https://www.destatis.de/static/fonts/statissans/StatisSans-Book.woff2www.destatis.de/static/fonts/statis... https://www.destatis.de/static/fonts/statissans/StatisSans-Book.woff2 — 200 — 47.9 KiB — 494 ms — h2https://www.destatis.de/DE/Home/Bilder/standardkachel-ankuendigung.svg?__blob=normal&v=2www.destatis.de/DE/Home/Bilder/stan... https://www.destatis.de/DE/Home/Bilder/standardkachel-ankuendigung.svg?__blob=normal&v=2 — 200 — 11.0 KiB — 207 ms — h2https://www.destatis.de/DE/Home/Bilder/standardkachel-aktuell.png?__blob=normal&v=4www.destatis.de/DE/Home/Bilder/stan... https://www.destatis.de/DE/Home/Bilder/standardkachel-aktuell.png?__blob=normal&v=4 — 200 — 8.4 KiB — 203 ms — h2https://www.destatis.de/DE/Methoden/Bilder/wista-logo.png?__blob=normal&v=2www.destatis.de/DE/Methoden/Bilder/... https://www.destatis.de/DE/Methoden/Bilder/wista-logo.png?__blob=normal&v=2 — 200 — 39.0 KiB — 205 ms — h2https://www.destatis.de/DE/Home/_documents/_aktuelles/Bilder/icon-dashboard.jpg?__blob=normal&v=2www.destatis.de/DE/Home/_documents/... https://www.destatis.de/DE/Home/_documents/_aktuelles/Bilder/icon-dashboard.jpg?__blob=normal&v=2 — 200 — 101.5 KiB — 210 ms — h2https://www.destatis.de/DE/Home/Bilder/kachelbild-im-fokus-rot.png?__blob=normal&v=6www.destatis.de/DE/Home/Bilder/kach... https://www.destatis.de/DE/Home/Bilder/kachelbild-im-fokus-rot.png?__blob=normal&v=6 — 200 — 6.7 KiB — 199 ms — h2https://www.destatis.de/DE/Home/_documents/_aktuelles/Bilder/durchschnittsmensch_gesundheit.jpg?__blob=normal&v=2www.destatis.de/DE/Home/_documents/... https://www.destatis.de/DE/Home/_documents/_aktuelles/Bilder/durchschnittsmensch_gesundheit.jpg?__blob=normal&v=2 — 200 — 60.6 KiB — 200 ms — h2
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 20.0 s 22.0 s 24.0 s 26.0 s 28.0 s 30.0 s 32.0 s 34.0 s FCP 3.0 s LCP 12.1 shttps://destatis.de// https://destatis.de/ — 302 — 584 B — 1.0 s — h2https://www.destatis.de/www.destatis.de/ https://www.destatis.de/ — 302 — 2.4 KiB — 609 ms — h2https://www.destatis.de/DE/Home/_inhalt.htmlwww.destatis.de/DE/Home/_inhalt.htm... https://www.destatis.de/DE/Home/_inhalt.html — 200 — 21.7 KiB — 395 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/normalize.css?v=3www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/normalize.css?v=3 — 200 — 3.3 KiB — 232 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/_libs.css?v=2www.destatis.de/SiteGlobals/Fronten... https://www.destatis.de/SiteGlobals/Frontend/Styles/_libs.css?v=2 — 200 — 15.8 KiB — 442 ms — h2https://www.destatis.de/SiteGlobals/Frontend/Styles/small.css?v=103www.destatis.de/SiteGlobals/Fronten... 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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 3025ms · 915KB · €33/mo
www.destatis.de
Other
Costly
Execution 1497ms
Transfer 893 KB
Unused 66%
Monthly Cost €16/mo
www.destatis.de
Other
Costly
Execution 853ms
Transfer 22 KB
Monthly Cost €9/mo
Unattributable
Other
Costly
Execution 674ms
Transfer 0 KB
Monthly Cost €7/mo

These scripts may cost more than they're worth

  • www.destatis.de adds 1497ms and costs ~€16/month
  • www.destatis.de adds 853ms and costs ~€9/month
  • Unattributable adds 674ms and costs ~€7/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.destatis.de takes 1497ms 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

66% of www.destatis.de'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.destatis.de takes 853ms 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 674ms 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

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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