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Performance

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

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

Mobile Desktop
56
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
90
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
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.

1.83 s

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

4.46 s

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

72 ms

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

0.247

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

1.83 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.

4.51 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
15
5 PASS 3 REVIEW 5 FIX
F
Page Weight Budget
Action
6.6 MB transferred, 55 requests
FIX
6.6 MB transferred, 55 requests
Critical::
Page weighs 12.2 MB (6.6 MB transferred)
Warning::
Images are 4.0 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 4.0 MB
Warning::
JavaScript is 1.6 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.6 MB
Info::
Fonts are 605 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 605 KB
Info::
55 HTTP requests
Info::
Estimated 1.4 g CO2 per page load
6.6 MB / 2.4 MB budget
6.6 MB transferred
55 requests
1.4 g CO2 per page load
Images 4.0 MiB 61%
JavaScript 1.6 MiB 25%
Fonts 604.8 KiB 9%
CSS 160.6 KiB 2%
HTML 123.2 KiB 2%
Other 23.6 KiB 0%
Other 9.3 KiB 0%
Other 311 B 0%
Other 172 B 0%
Other 0 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

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 (6.6 MiB of 6.6 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Bundles
Action
22 scripts, 444 KB unused
FIX
22 scripts, 444 KB unused
Warning::
https://www.admin.ch/_nuxt/B-Ywra98.js: 160 KB unused (63%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.admin.ch/_nuxt/C96fLYZJ.js: 123 KB unused (92%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.admin.ch/_nuxt/uE6ScQDx.js: 70 KB unused (48%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.admin.ch/_nuxt/B3PID3-R.js: 38 KB unused (43%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.admin.ch/_nuxt/DgrR4CBj.js: 32 KB unused (32%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 444 KB
444 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.admin.ch/_nuxt/B-Ywra98.js262 KB160 KB (63%)✓3rd
https://www.admin.ch/_nuxt/C96fLYZJ.js139 KB123 KB (92%)✓3rd
https://www.admin.ch/_nuxt/uE6ScQDx.js151 KB70 KB (48%)✓3rd
https://www.admin.ch/_nuxt/B3PID3-R.js101 KB38 KB (43%)✓3rd
https://www.admin.ch/_nuxt/DgrR4CBj.js112 KB32 KB (32%)✓3rd
https://webstats.ch.ch/matomo.js43 KB21 KB (49%)✓3rd
https://www.admin.ch/_nuxt/Bg41Sff1.js6 KB—✓3rd
https://www.admin.ch/_nuxt/MlZKXbdc.js12 KB—✓3rd
https://www.admin.ch/_nuxt/BdHhkG4O.js6 KB—✓3rd
https://www.admin.ch/_nuxt/DlAUqK2U.js5 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
55 resources · 6.6 MB · 444 KB savings available
FIX
55 resources · 6.6 MB · 444 KB savings available
Warning::
Page weight 5.6 MB over 1MB target
Got: 6.6 MB Expected: ≤ 1 MB
Info::
~444 KB of savings available
Warning::
54 third-party resources (100% of weight)
Info::
7 resources over 200KB
55 resources · 6.6 MiB · 54 third-party 5.6 MiB over 1MB target
Image 61% · 4.0 MiB
JavaScript 25% · 1.6 MiB
Font 9% · 604.8 KiB
CSS 2% · 160.6 KiB
Document 2% · 129.1 KiB
Other 0% · 15.3 KiB

~444.2 KiB of savings available

Remove unused JavaScript: 444.2 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Image Optimization
15 images, 0 KB saveable
REVIEW
15 images, 0 KB saveable
Warning::
https://prod-govadminch-hcms-sdweb.imgix.net/dam/d... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
15 images 4.0 MB
0 oversized -0 KB
4 legacy format
1 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

B
JS Execution Cost
666ms total JS execution
REVIEW
666ms total JS execution
Info::
https://www.admin.ch/de: 217ms CPU time
Info::
Unattributable: 213ms CPU time
Info::
https://www.admin.ch/_nuxt/MlZKXbdc.js: 160ms CPU time
Info::
https://webstats.ch.ch/matomo.js: 76ms CPU time
Warning::
Third-party scripts: 666ms (100% of total)

Main Thread Breakdown

Script Evaluation 47% Other 28% Style & Layout 16%
ScriptTotalScriptingParse/CompileParty
https://www.admin.ch/de217ms74ms2ms3rd
Unattributable213ms49ms0ms3rd
https://www.admin.ch/_nuxt/MlZKXbdc.js160ms149ms0ms3rd
https://webstats.ch.ch/matomo.js76ms71ms4ms3rd
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
3 fonts (605 KB)
PASS
3 fonts (605 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

605 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 1.8 s LCP 4.5 shttps://www.admin.ch/_nuxt/NotoSans-Regular.BWwJy672.ttfNotoSans-Regular.BWwJy6... https://www.admin.ch/_nuxt/NotoSans-Regular.BWwJy672.ttf — 286.4 KiB — 27 ms — font-display: swaphttps://www.admin.ch/_nuxt/NotoSans-Bold.Df8eZg0f.ttfNotoSans-Bold.Df8eZg0f.ttf https://www.admin.ch/_nuxt/NotoSans-Bold.Df8eZg0f.ttf — 284.6 KiB — 35 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 33.9 KiB — 63 ms — font-display: swap
NotoSans-Regular.BWwJy6... ttf swap
Size 286 KB
Load time 27 ms
Start 484 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
NotoSans-Bold.Df8eZg0f.ttf ttf swap
Size 285 KB
Load time 35 ms
Start 484 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 34 KB
Load time 63 ms
Start 1.1 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)

Fixing the unchecked items could save ~457 KB and ~914 ms

A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
Network Waterfall
55 requests over 2334ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 1.8 s LCP 4.5 shttps://admin.ch// https://admin.ch/ — 301 — 450 B — 101 ms — http/1.1https://www.admin.ch/www.admin.ch/ https://www.admin.ch/ — 302 — 5.4 KiB — 157 ms — h2https://www.admin.ch/dewww.admin.ch/de https://www.admin.ch/de — 200 — 63.7 KiB — 60 ms — h2https://www.admin.ch/_nuxt/entry.Dh8TlleG.csswww.admin.ch/_nuxt/entry.Dh8TlleG.c... https://www.admin.ch/_nuxt/entry.Dh8TlleG.css — 200 — 49.0 KiB — 35 ms — h2https://www.admin.ch/_nuxt/ContentZone.CHWbvGfX.csswww.admin.ch/_nuxt/ContentZone.CHWb... https://www.admin.ch/_nuxt/ContentZone.CHWbvGfX.css — 200 — 9.2 KiB — 20 ms — h2https://www.admin.ch/_nuxt/uE6ScQDx.jswww.admin.ch/_nuxt/uE6ScQDx.js https://www.admin.ch/_nuxt/uE6ScQDx.js — 200 — 150.7 KiB — 56 ms — h2https://www.admin.ch/_nuxt/DmsTa2rw.jswww.admin.ch/_nuxt/DmsTa2rw.js https://www.admin.ch/_nuxt/DmsTa2rw.js — 200 — 10.2 KiB — 21 ms — h2https://www.admin.ch/_nuxt/D_-Mu09g.jswww.admin.ch/_nuxt/D_-Mu09g.js https://www.admin.ch/_nuxt/D_-Mu09g.js — 200 — 6.7 KiB — 23 ms — h2https://www.admin.ch/_nuxt/B-Ywra98.jswww.admin.ch/_nuxt/B-Ywra98.js https://www.admin.ch/_nuxt/B-Ywra98.js — 200 — 262.2 KiB — 80 ms — h2https://www.admin.ch/_nuxt/MlZKXbdc.jswww.admin.ch/_nuxt/MlZKXbdc.js https://www.admin.ch/_nuxt/MlZKXbdc.js — 200 — 12.4 KiB — 24 ms — h2https://www.admin.ch/_nuxt/DgrR4CBj.jswww.admin.ch/_nuxt/DgrR4CBj.js https://www.admin.ch/_nuxt/DgrR4CBj.js — 200 — 112.1 KiB — 69 ms — h2https://www.admin.ch/_nuxt/V54yON-y.jswww.admin.ch/_nuxt/V54yON-y.js https://www.admin.ch/_nuxt/V54yON-y.js — 200 — 18.0 KiB — 44 ms — h2https://www.admin.ch/_nuxt/waV3Tfg4.jswww.admin.ch/_nuxt/waV3Tfg4.js https://www.admin.ch/_nuxt/waV3Tfg4.js — 200 — 6.5 KiB — 46 ms — h2https://www.admin.ch/_nuxt/BdHhkG4O.jswww.admin.ch/_nuxt/BdHhkG4O.js https://www.admin.ch/_nuxt/BdHhkG4O.js — 200 — 6.2 KiB — 47 ms — h2https://www.admin.ch/_nuxt/DlAUqK2U.jswww.admin.ch/_nuxt/DlAUqK2U.js https://www.admin.ch/_nuxt/DlAUqK2U.js — 200 — 5.5 KiB — 54 ms — h2https://www.admin.ch/_nuxt/Bg41Sff1.jswww.admin.ch/_nuxt/Bg41Sff1.js https://www.admin.ch/_nuxt/Bg41Sff1.js — 200 — 5.7 KiB — 56 ms — h2https://www.admin.ch/_nuxt/BclUK2RK.jswww.admin.ch/_nuxt/BclUK2RK.js https://www.admin.ch/_nuxt/BclUK2RK.js — 200 — 6.0 KiB — 58 ms — h2https://www.admin.ch/_nuxt/CDH46LP8.jswww.admin.ch/_nuxt/CDH46LP8.js https://www.admin.ch/_nuxt/CDH46LP8.js — 200 — 6.7 KiB — 59 ms — h2https://www.admin.ch/_nuxt/C96fLYZJ.jswww.admin.ch/_nuxt/C96fLYZJ.js https://www.admin.ch/_nuxt/C96fLYZJ.js — 200 — 139.2 KiB — 79 ms — h2https://www.admin.ch/_nuxt/B3PID3-R.jswww.admin.ch/_nuxt/B3PID3-R.js https://www.admin.ch/_nuxt/B3PID3-R.js — 200 — 101.1 KiB — 78 ms — h2https://www.admin.ch/images/swiss-logo-flag.svgwww.admin.ch/images/swiss-logo-flag... https://www.admin.ch/images/swiss-logo-flag.svg — 200 — 5.6 KiB — 69 ms — h2https://www.admin.ch/images/swiss-logo-name.svgwww.admin.ch/images/swiss-logo-name... https://www.admin.ch/images/swiss-logo-name.svg — 200 — 7.9 KiB — 72 ms — h2https://prod-govadminch-hcms-sdweb.imgix.net/dam/de/sd-web/ltVuSwcBLTIA/260000-Umsetzung-Visuals-Hero-V03-Dynamisch-Gruppe4sec-960x675px.gif?auto=format&w=2048prod-govadminch-hcms-sdweb.imgix.ne... https://prod-govadminch-hcms-sdweb.imgix.net/dam/de/sd-web/ltVuSwcBLTIA/260000-Umsetzung-Visuals-Hero-V03-Dynamisch-Gruppe4sec-960x675px.gif?auto=format&w=2048 — 200 — 3.0 MiB — 133 ms — h2https://prod-govadminch-hcms-sdweb.imgix.net/dam/de/sd-web/iRTTVNfziBLA/260415-24-LexKoller-Teaser-RZ01.jpg?w=1024&auto=formatprod-govadminch-hcms-sdweb.imgix.ne... https://prod-govadminch-hcms-sdweb.imgix.net/dam/de/sd-web/iRTTVNfziBLA/260415-24-LexKoller-Teaser-RZ01.jpg?w=1024&auto=format — 200 — 115.9 KiB — 59 ms — h2https://prod-govadminch-hcms-sdweb.imgix.net/dam/de/sd-web/pp5jDhRGmSW0/260415-27-Beherbergungsbranche-Teaser-RZ01.jpg?w=1024&auto=formatprod-govadminch-hcms-sdweb.imgix.ne... https://prod-govadminch-hcms-sdweb.imgix.net/dam/de/sd-web/pp5jDhRGmSW0/260415-27-Beherbergungsbranche-Teaser-RZ01.jpg?w=1024&auto=format — 200 — 16.5 KiB — 24 ms — h2https://www.admin.ch/_nuxt/builds/meta/2863ee0a-0179-45e7-b6c7-163bec0f8432.jsonwww.admin.ch/_nuxt/builds/meta/2863... https://www.admin.ch/_nuxt/builds/meta/2863ee0a-0179-45e7-b6c7-163bec0f8432.json — 200 — 5.5 KiB — 66 ms — h2https://prod-govadminch-hcms-sdweb.imgix.net/2026/02/11/67d5d1af-e327-45d0-a7c5-246640355455.jpg?rect=0%2C0%2C1176%2C661&w=1024&auto=formatprod-govadminch-hcms-sdweb.imgix.ne... https://prod-govadminch-hcms-sdweb.imgix.net/2026/02/11/67d5d1af-e327-45d0-a7c5-246640355455.jpg?rect=0%2C0%2C1176%2C661&w=1024&auto=format — 200 — 82.0 KiB — 69 ms — h2https://prod-govadminch-hcms-sdweb.imgix.net/2026/03/27/33d6b17b-c8ab-4ae4-a27a-e944ac1f42b3.gif?rect=0%2C0%2C1000%2C562&w=1024&auto=formatprod-govadminch-hcms-sdweb.imgix.ne... https://prod-govadminch-hcms-sdweb.imgix.net/2026/03/27/33d6b17b-c8ab-4ae4-a27a-e944ac1f42b3.gif?rect=0%2C0%2C1000%2C562&w=1024&auto=format — 200 — 361.5 KiB — 71 ms — h2https://prod-govadminch-hcms-sdweb.imgix.net/2025/10/08/cd6a2e1c-7d83-46a4-9483-0e3da1a40261.jpeg?rect=0%2C129%2C588%2C331&w=1024&auto=formatprod-govadminch-hcms-sdweb.imgix.ne... https://prod-govadminch-hcms-sdweb.imgix.net/2025/10/08/cd6a2e1c-7d83-46a4-9483-0e3da1a40261.jpeg?rect=0%2C129%2C588%2C331&w=1024&auto=format — 200 — 17.0 KiB — 24 ms — h2data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3…www.w3.org/2000/svg' viewBox='0 0 2... data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3… — 200 — 0 B — 0 ms — data
0 ms 1.0 s 2.0 s 3.0 s 4.0 s FCP 1.8 s LCP 4.5 shttps://admin.ch// https://admin.ch/ — 301 — 450 B — 101 ms — http/1.1https://www.admin.ch/www.admin.ch/ https://www.admin.ch/ — 302 — 5.4 KiB — 157 ms — h2https://www.admin.ch/dewww.admin.ch/de https://www.admin.ch/de — 200 — 63.7 KiB — 60 ms — h2https://www.admin.ch/_nuxt/entry.Dh8TlleG.csswww.admin.ch/_nuxt/entry.Dh8TlleG.c... https://www.admin.ch/_nuxt/entry.Dh8TlleG.css — 200 — 49.0 KiB — 35 ms — h2https://www.admin.ch/_nuxt/ContentZone.CHWbvGfX.csswww.admin.ch/_nuxt/ContentZone.CHWb... https://www.admin.ch/_nuxt/ContentZone.CHWbvGfX.css — 200 — 9.2 KiB — 20 ms — h2https://www.admin.ch/_nuxt/uE6ScQDx.jswww.admin.ch/_nuxt/uE6ScQDx.js https://www.admin.ch/_nuxt/uE6ScQDx.js — 200 — 150.7 KiB — 56 ms — h2https://www.admin.ch/_nuxt/DmsTa2rw.jswww.admin.ch/_nuxt/DmsTa2rw.js https://www.admin.ch/_nuxt/DmsTa2rw.js — 200 — 10.2 KiB — 21 ms — h2https://www.admin.ch/_nuxt/D_-Mu09g.jswww.admin.ch/_nuxt/D_-Mu09g.js https://www.admin.ch/_nuxt/D_-Mu09g.js — 200 — 6.7 KiB — 23 ms — h2https://www.admin.ch/_nuxt/B-Ywra98.jswww.admin.ch/_nuxt/B-Ywra98.js https://www.admin.ch/_nuxt/B-Ywra98.js — 200 — 262.2 KiB — 80 ms — h2https://www.admin.ch/_nuxt/MlZKXbdc.jswww.admin.ch/_nuxt/MlZKXbdc.js https://www.admin.ch/_nuxt/MlZKXbdc.js — 200 — 12.4 KiB — 24 ms — h2https://www.admin.ch/_nuxt/DgrR4CBj.jswww.admin.ch/_nuxt/DgrR4CBj.js https://www.admin.ch/_nuxt/DgrR4CBj.js — 200 — 112.1 KiB — 69 ms — h2https://www.admin.ch/_nuxt/V54yON-y.jswww.admin.ch/_nuxt/V54yON-y.js https://www.admin.ch/_nuxt/V54yON-y.js — 200 — 18.0 KiB — 44 ms — h2https://www.admin.ch/_nuxt/waV3Tfg4.jswww.admin.ch/_nuxt/waV3Tfg4.js https://www.admin.ch/_nuxt/waV3Tfg4.js — 200 — 6.5 KiB — 46 ms — h2https://www.admin.ch/_nuxt/BdHhkG4O.jswww.admin.ch/_nuxt/BdHhkG4O.js https://www.admin.ch/_nuxt/BdHhkG4O.js — 200 — 6.2 KiB — 47 ms — h2https://www.admin.ch/_nuxt/DlAUqK2U.jswww.admin.ch/_nuxt/DlAUqK2U.js https://www.admin.ch/_nuxt/DlAUqK2U.js — 200 — 5.5 KiB — 54 ms — h2https://www.admin.ch/_nuxt/Bg41Sff1.jswww.admin.ch/_nuxt/Bg41Sff1.js https://www.admin.ch/_nuxt/Bg41Sff1.js — 200 — 5.7 KiB — 56 ms — h2https://www.admin.ch/_nuxt/BclUK2RK.jswww.admin.ch/_nuxt/BclUK2RK.js https://www.admin.ch/_nuxt/BclUK2RK.js — 200 — 6.0 KiB — 58 ms — h2https://www.admin.ch/_nuxt/CDH46LP8.jswww.admin.ch/_nuxt/CDH46LP8.js https://www.admin.ch/_nuxt/CDH46LP8.js — 200 — 6.7 KiB — 59 ms — h2https://www.admin.ch/_nuxt/C96fLYZJ.jswww.admin.ch/_nuxt/C96fLYZJ.js https://www.admin.ch/_nuxt/C96fLYZJ.js — 200 — 139.2 KiB — 79 ms — h2https://www.admin.ch/_nuxt/B3PID3-R.jswww.admin.ch/_nuxt/B3PID3-R.js https://www.admin.ch/_nuxt/B3PID3-R.js — 200 — 101.1 KiB — 78 ms — h2https://www.admin.ch/images/swiss-logo-flag.svgwww.admin.ch/images/swiss-logo-flag... https://www.admin.ch/images/swiss-logo-flag.svg — 200 — 5.6 KiB — 69 ms — h2https://www.admin.ch/images/swiss-logo-name.svgwww.admin.ch/images/swiss-logo-name... 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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 666ms · 119KB · CHF10/mo
www.admin.ch
Other
Costly
Execution 217ms
Transfer 64 KB
Monthly Cost CHF3/mo
Unattributable
Other
Costly
Execution 213ms
Transfer 0 KB
Monthly Cost CHF3/mo
www.admin.ch
Other
Optional
Execution 160ms
Transfer 12 KB
Monthly Cost CHF3/mo
webstats.ch.ch
Other
Optional
Execution 76ms
Transfer 43 KB
Unused 49%
Monthly Cost CHF1/mo

These scripts may cost more than they're worth

  • www.admin.ch adds 217ms and costs ~CHF3/month
  • Unattributable adds 213ms and costs ~CHF3/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.admin.ch takes 217ms 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 213ms 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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