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https://autoriteitpersoonsgegevens.nl

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
84
GRADE
B
FIX
1
REVIEW
5
PASS
9
INFO
2

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

Mobile Desktop
66
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.
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.

1.82 s

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

12.18 s

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

339 ms

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

0.059

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

2.10 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.

12.33 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
9 PASS 5 REVIEW 1 FIX
D
Page Weight Budget
Action
2.1 MB transferred, 24 requests
FIX
2.1 MB transferred, 24 requests
Info::
Page weighs 4.0 MB (2.1 MB transferred)
Info::
Fonts are 689 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 689 KB
Info::
24 HTTP requests
Info::
Estimated 0.43 g CO2 per page load
2.1 MB / 2.4 MB budget
2.1 MB transferred
24 requests
0.43 g CO2 per page load
Images 900.4 KiB 42%
Fonts 688.5 KiB 32%
JavaScript 376.5 KiB 18%
CSS 107.0 KiB 5%
Other 33.2 KiB 2%
HTML 13.4 KiB 1%
0 2.4 MB 4.9 MB
Approaching limit

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

C
Image Optimization
Action
12 images, 0 KB saveable
REVIEW
12 images, 0 KB saveable
Warning::
https://autoriteitpersoonsgegevens.nl/logo.svg?d01... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://autoriteitpersoonsgegevens.nl/assets/theme... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
12 images 900 KB
0 oversized -0 KB
12 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

C
JS Execution Cost
Action
1931ms total JS execution
REVIEW
1931ms total JS execution
Warning::
https://autoriteitpersoonsgegevens.nl/: 878ms CPU time
Warning::
https://autoriteitpersoonsgegevens.nl/uploads/js/j...: 535ms CPU time
Warning::
Unattributable: 260ms CPU time
Info::
https://autoriteitpersoonsgegevens.nl/uploads/css/...: 175ms CPU time
Info::
https://autoriteitpersoonsgegevens.nl/core/assets/...: 83ms CPU time
Info::
Third-party scripts: 260ms (13% of total)

Main Thread Breakdown

Other 36% Script Evaluation 23% Style & Layout 20% Script Parsing & Compilation 11% Parse HTML & CSS 8% Rendering 3%
ScriptTotalScriptingParse/CompileParty
https://autoriteitpersoonsgegevens.nl/878ms24ms1ms1st
https://autoriteitpersoonsgegevens.nl/uploads/js/js_A9wUU_c1xSsT2sYBODbrhTKqHzhD5sH5jFcfj130o9g.js?scope=footer&delta=1&language=nl&theme=frontend&include=eJx1jVEKwzAMxS6ULUcKTvLaBtzY2A7s-Ot-S_cpIVBFBKzgo-LoZRt8oWdaIcVXPUek-pzsmDDi1MSQuy0lfjdhJnWkzWQGZs87S72iG78OUE8OsnYU0lF-vyanMgL5j_8C7rVD_g535ms341ms189ms1st
Unattributable260ms10ms0ms3rd
https://autoriteitpersoonsgegevens.nl/uploads/css/css_krvr0kNuDnuoT5isDW5B3xoKaXST7pSykbjaoozdBu8.css?delta=1&language=nl&theme=frontend&include=eJx1zFEKAjEMhOELVXOkkrazayCblCaKx3dRwScf_49hGjKxKp7TA6NuomcG7TAs1rItt4QN2tXb2QeGMH1W184zxa0sxHQLeaAmN8X3hX5-eXsJ8Oq3ylMq39O7H1ORoD_-AgOqPj8175ms0ms0ms1st
https://autoriteitpersoonsgegevens.nl/core/assets/vendor/jquery/jquery.min.js?v=4.0.0-rc.183ms57ms15ms1st
C
JS Bundles
Action
3 scripts, 225 KB unused
REVIEW
3 scripts, 225 KB unused
Warning::
https://autoriteitpersoonsgegevens.nl/uploads/js/j...: 181 KB unused (61%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://autoriteitpersoonsgegevens.nl/core/assets/...: 44 KB unused (57%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 225 KB
225 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://autoriteitpersoonsgegevens.nl/uploads/js/js_A9wUU_c1xSsT2sYBODbrhTKqHzhD5sH5jFcfj130o9g.js?scope=footer&delta=1&language=nl&theme=frontend&include=eJx1jVEKwzAMxS6ULUcKTvLaBtzY2A7s-Ot-S_cpIVBFBKzgo-LoZRt8oWdaIcVXPUek-pzsmDDi1MSQuy0lfjdhJnWkzWQGZs87S72iG78OUE8OsnYU0lF-vyanMgL5j_8C7rVD_g298 KB181 KB (61%)✓1st
https://autoriteitpersoonsgegevens.nl/core/assets/vendor/jquery/jquery.min.js?v=4.0.0-rc.178 KB44 KB (57%)✓1st
https://autoriteitpersoonsgegevens.nl/uploads/js/js_GD1fuDXTGiL-3VQgeqim07wOqlT2F-evq56HE7Mw5qw.js?scope=header&delta=0&language=nl&theme=frontend&include=eJx1jVEKwzAMxS6ULUcKTvLaBtzY2A7s-Ot-S_cpIVBFBKzgo-LoZRt8oWdaIcVXPUek-pzsmDDi1MSQuy0lfjdhJnWkzWQGZs87S72iG78OUE8OsnYU0lF-vyanMgL5j_8C7rVD_g1 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

C
Page Weight Inventory
Action
24 resources · 2.1 MB · 225 KB savings available
REVIEW
24 resources · 2.1 MB · 225 KB savings available
Warning::
Page weight 1.1 MB over 1MB target
Got: 2.1 MB Expected: ≤ 1 MB
Info::
~225 KB of savings available
Info::
2 resources over 200KB
24 resources · 2.1 MiB · 0 third-party 1.1 MiB over 1MB target
Image 44% · 933.6 KiB
Font 32% · 688.5 KiB
JavaScript 18% · 376.5 KiB
CSS 5% · 107.0 KiB
Document 1% · 13.4 KiB

~224.7 KiB of savings available

Remove unused JavaScript: 224.7 KiB
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Third-Party Impact
No third-party resources
PASS
No third-party resources
Info::
No third-party resources detected
No third-party resources detected — all resources are first-party.
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
5 fonts (689 KB)
PASS
5 fonts (689 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

689 KB total

Render-blocking

0

of 5

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 1.8 s LCP 12.2 shttps://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Regular.ttfMaratSans-Regular.ttf https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Regular.ttf — 174.0 KiB — 63 ms — font-display: swaphttps://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/icons.woff?9726a4c61a=icons.woff https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/icons.woff?9726a4c61a= — 8.7 KiB — 59 ms — font-display: swaphttps://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Bold.ttfMarat-Bold.ttf https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Bold.ttf — 162.4 KiB — 63 ms — font-display: swaphttps://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Demibold.ttfMaratSans-Demibold.ttf https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Demibold.ttf — 178.4 KiB — 71 ms — font-display: swaphttps://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Medium.ttfMarat-Medium.ttf https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Medium.ttf — 165.0 KiB — 74 ms — font-display: swap
MaratSans-Regular.ttf ttf swap
Size 174 KB
Load time 63 ms
Start 221 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
icons.woff woff swap
Size 9 KB
Load time 59 ms
Start 222 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
Marat-Bold.ttf ttf swap
Size 162 KB
Load time 63 ms
Start 222 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
MaratSans-Demibold.ttf ttf swap
Size 178 KB
Load time 71 ms
Start 223 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
Marat-Medium.ttf ttf swap
Size 165 KB
Load time 74 ms
Start 223 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
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 ~546 KB and ~1092 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
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+
HTTP Caching
max-age=60 (1 minute)
PASS
max-age=60 (1 minute)
Info::
Cache-Control header is set
Got: max-age=60, public
Info::
Effective TTL: 1 minute (max-age=60)
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present
Cache-Control

max-age=60, public

DirectiveValueMeaning
max-age60Cache for 1 minute
public—Any cache may store this response
Effective TTL: 60 seconds
Network Waterfall
24 requests over 527ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 1.8 s LCP 12.2 shttps://autoriteitpersoonsgegevens.nl// https://autoriteitpersoonsgegevens.nl/ — 200 — 13.4 KiB — 21 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/css/css_3WG7qFvC653Y-diwZ4J27sXFwIJTHgnxSkKj8FmuTqk.css?delta=0&language=nl&theme=frontend&include=eJx1zFEKAjEMhOELVXOkkrazayCblCaKx3dRwScf_49hGjKxKp7TA6NuomcG7TAs1rItt4QN2tXb2QeGMH1W184zxa0sxHQLeaAmN8X3hX5-eXsJ8Oq3ylMq39O7H1ORoD_-AgOqPj8/uploads/css/css_3WG7qFvC653Y-diwZ4... https://autoriteitpersoonsgegevens.nl/uploads/css/css_3WG7qFvC653Y-diwZ4J27sXFwIJTHgnxSkKj8FmuTqk.css?delta=0&language=nl&theme=frontend&include=eJx1zFEKAjEMhOELVXOkkrazayCblCaKx3dRwScf_49hGjKxKp7TA6NuomcG7TAs1rItt4QN2tXb2QeGMH1W184zxa0sxHQLeaAmN8X3hX5-eXsJ8Oq3ylMq39O7H1ORoD_-AgOqPj8 — 200 — 3.9 KiB — 12 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/css/css_krvr0kNuDnuoT5isDW5B3xoKaXST7pSykbjaoozdBu8.css?delta=1&language=nl&theme=frontend&include=eJx1zFEKAjEMhOELVXOkkrazayCblCaKx3dRwScf_49hGjKxKp7TA6NuomcG7TAs1rItt4QN2tXb2QeGMH1W184zxa0sxHQLeaAmN8X3hX5-eXsJ8Oq3ylMq39O7H1ORoD_-AgOqPj8/uploads/css/css_krvr0kNuDnuoT5isDW... https://autoriteitpersoonsgegevens.nl/uploads/css/css_krvr0kNuDnuoT5isDW5B3xoKaXST7pSykbjaoozdBu8.css?delta=1&language=nl&theme=frontend&include=eJx1zFEKAjEMhOELVXOkkrazayCblCaKx3dRwScf_49hGjKxKp7TA6NuomcG7TAs1rItt4QN2tXb2QeGMH1W184zxa0sxHQLeaAmN8X3hX5-eXsJ8Oq3ylMq39O7H1ORoD_-AgOqPj8 — 200 — 103.1 KiB — 22 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/js/js_GD1fuDXTGiL-3VQgeqim07wOqlT2F-evq56HE7Mw5qw.js?scope=header&delta=0&language=nl&theme=frontend&include=eJx1jVEKwzAMxS6ULUcKTvLaBtzY2A7s-Ot-S_cpIVBFBKzgo-LoZRt8oWdaIcVXPUek-pzsmDDi1MSQuy0lfjdhJnWkzWQGZs87S72iG78OUE8OsnYU0lF-vyanMgL5j_8C7rVD_g/uploads/js/js_GD1fuDXTGiL-3VQgeqim... https://autoriteitpersoonsgegevens.nl/uploads/js/js_GD1fuDXTGiL-3VQgeqim07wOqlT2F-evq56HE7Mw5qw.js?scope=header&delta=0&language=nl&theme=frontend&include=eJx1jVEKwzAMxS6ULUcKTvLaBtzY2A7s-Ot-S_cpIVBFBKzgo-LoZRt8oWdaIcVXPUek-pzsmDDi1MSQuy0lfjdhJnWkzWQGZs87S72iG78OUE8OsnYU0lF-vyanMgL5j_8C7rVD_g — 200 — 893 B — 33 ms — http/1.1https://autoriteitpersoonsgegevens.nl/logo.svg?d010a7f7/logo.svg?d010a7f7 https://autoriteitpersoonsgegevens.nl/logo.svg?d010a7f7 — 200 — 9.4 KiB — 35 ms — http/1.1https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/images/logo--footer.svg/assets/themes/frontend/images/logo... https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/images/logo--footer.svg — 200 — 9.2 KiB — 35 ms — http/1.1https://autoriteitpersoonsgegevens.nl/core/assets/vendor/jquery/jquery.min.js?v=4.0.0-rc.1/core/assets/vendor/jquery/jquery.m... https://autoriteitpersoonsgegevens.nl/core/assets/vendor/jquery/jquery.min.js?v=4.0.0-rc.1 — 200 — 77.6 KiB — 36 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/js/js_A9wUU_c1xSsT2sYBODbrhTKqHzhD5sH5jFcfj130o9g.js?scope=footer&delta=1&language=nl&theme=frontend&include=eJx1jVEKwzAMxS6ULUcKTvLaBtzY2A7s-Ot-S_cpIVBFBKzgo-LoZRt8oWdaIcVXPUek-pzsmDDi1MSQuy0lfjdhJnWkzWQGZs87S72iG78OUE8OsnYU0lF-vyanMgL5j_8C7rVD_g/uploads/js/js_A9wUU_c1xSsT2sYBODbr... https://autoriteitpersoonsgegevens.nl/uploads/js/js_A9wUU_c1xSsT2sYBODbrhTKqHzhD5sH5jFcfj130o9g.js?scope=footer&delta=1&language=nl&theme=frontend&include=eJx1jVEKwzAMxS6ULUcKTvLaBtzY2A7s-Ot-S_cpIVBFBKzgo-LoZRt8oWdaIcVXPUek-pzsmDDi1MSQuy0lfjdhJnWkzWQGZs87S72iG78OUE8OsnYU0lF-vyanMgL5j_8C7rVD_g — 200 — 298.0 KiB — 37 ms — http/1.1https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/images/flag-english.svg/assets/themes/frontend/images/flag... https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/images/flag-english.svg — 200 — 1.2 KiB — 12 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2026-04/GettyImages-2251533740%20vrouw%20kantoor.jpg?itok=N6MFhj80/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2026-04/GettyImages-2251533740%20vrouw%20kantoor.jpg?itok=N6MFhj80 — 200 — 41.8 KiB — 28 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2025-10/Vrouw%20thuis%20op%20de%20bank%20met%20smartphone.jpg?itok=6sSD1R_y/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2025-10/Vrouw%20thuis%20op%20de%20bank%20met%20smartphone.jpg?itok=6sSD1R_y — 200 — 46.5 KiB — 38 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2025-04/Man%20op%20kantoor%20met%20laptop%20en%20papieren.jpg?itok=t2AN0Mxf/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2025-04/Man%20op%20kantoor%20met%20laptop%20en%20papieren.jpg?itok=t2AN0Mxf — 200 — 42.4 KiB — 27 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2024-09/GettyImages-1457298134%20Mensenmenigte%20overstekend%20op%20straat.jpg?itok=B4GfJnEm/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2024-09/GettyImages-1457298134%20Mensenmenigte%20overstekend%20op%20straat.jpg?itok=B4GfJnEm — 200 — 87.1 KiB — 75 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2026-03/Buiten%20fiets%20telefoon%20mobiel%20app%20locatie.jpg?itok=U2sU21Q_/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2026-03/Buiten%20fiets%20telefoon%20mobiel%20app%20locatie.jpg?itok=U2sU21Q_ — 200 — 52.5 KiB — 77 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2023-04/Patroon%20Cameratoezicht-paars_0.png?itok=ZdOtQgfu/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2023-04/Patroon%20Cameratoezicht-paars_0.png?itok=ZdOtQgfu — 200 — 145.5 KiB — 30 ms — http/1.1https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Regular.ttf/assets/themes/frontend/fonts/Marat... https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Regular.ttf — 200 — 174.0 KiB — 63 ms — http/1.1https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/icons.woff?9726a4c61a=/assets/themes/frontend/fonts/icons... https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/icons.woff?9726a4c61a= — 200 — 8.7 KiB — 59 ms — http/1.1https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Bold.ttf/assets/themes/frontend/fonts/Marat... https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Bold.ttf — 200 — 162.4 KiB — 63 ms — http/1.1https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Demibold.ttf/assets/themes/frontend/fonts/Marat... https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/MaratSans-Demibold.ttf — 200 — 178.4 KiB — 71 ms — http/1.1https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Medium.ttf/assets/themes/frontend/fonts/Marat... https://autoriteitpersoonsgegevens.nl/assets/themes/frontend/fonts/Marat-Medium.ttf — 200 — 165.0 KiB — 74 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2023-03/Ondernemer%20vrouw%20pakketjes%20kleding.jpg?itok=C4ROBNDF/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2023-03/Ondernemer%20vrouw%20pakketjes%20kleding.jpg?itok=C4ROBNDF — 200 — 50.7 KiB — 30 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2024-06/GettyImages-1340636176%20Man%20in%20woonkamer%20met%20tablet%20-%20kl_0.jpg?itok=UxU0OHLn/uploads/styles/auto_768/public/202... https://autoriteitpersoonsgegevens.nl/uploads/styles/auto_768/public/2024-06/GettyImages-1340636176%20Man%20in%20woonkamer%20met%20tablet%20-%20kl_0.jpg?itok=UxU0OHLn — 200 — 55.6 KiB — 17 ms — http/1.1https://autoriteitpersoonsgegevens.nl/uploads/2022-10/AP_Portret_Fay.png/uploads/2022-10/AP_Portret_Fay.png https://autoriteitpersoonsgegevens.nl/uploads/2022-10/AP_Portret_Fay.png — 200 — 358.4 KiB — 26 ms — http/1.1https://autoriteitpersoonsgegevens.nl/favicon.ico/favicon.ico https://autoriteitpersoonsgegevens.nl/favicon.ico — 200 — 33.2 KiB — 9 ms — http/1.1
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
13% of JavaScript execution is third-party
First-party Third-party 260ms · 0KB · €3/mo
Unattributable
Other
Costly
Execution 260ms
Transfer 0 KB
Monthly Cost €3/mo

These scripts may cost more than they're worth

  • Unattributable adds 260ms and costs ~€3/month

Unattributable takes 260ms 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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