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https://www.kaagenbraassem.nl

Performance

· 23 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
83
GRADE
B
FIX
2
REVIEW
8
PASS
9
INFO
4

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

Mobile Desktop
80
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
98
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
92
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.

1.25 s

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

2.97 s

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

0 ms

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

0.001

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

1.25 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.

3.01 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
23
9 PASS 8 REVIEW 2 FIX
F
Page Weight Budget
Action
2.8 MB transferred, 99 requests
FIX
2.8 MB transferred, 99 requests
Warning::
Page weighs 4.0 MB (2.8 MB transferred)
Warning::
Images are 1.9 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.9 MB
Warning::
JavaScript is 549 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 549 KB
Info::
99 HTTP requests
Info::
Estimated 0.58 g CO2 per page load
2.8 MB / 2.4 MB budget
2.8 MB transferred
99 requests
0.58 g CO2 per page load
Images 1.9 MiB 68%
JavaScript 548.8 KiB 19%
CSS 127.5 KiB 4%
Other 111.0 KiB 4%
Fonts 79.3 KiB 3%
Other 27.0 KiB 1%
HTML 13.4 KiB 0%
Other 553 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

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.

C
Image Optimization
Action
13 images, 0 KB saveable
REVIEW
13 images, 0 KB saveable
Warning::
https://www.kaagenbraassem.nl/dsresource?objectid=... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.kaagenbraassem.nl/dsresource?objectid=... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.kaagenbraassem.nl/dsresource?objectid=... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.kaagenbraassem.nl/dsresource?objectid=... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
13 images 1.9 MB
0 oversized -0 KB
12 legacy format
4 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

C
JS Bundles
Action
28 scripts, 181 KB unused
REVIEW
28 scripts, 181 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-HWC2...: 71 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-KF7...: 67 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.kaagenbraassem.nl/wro/prototype.js: 22 KB unused (60%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.kaagenbraassem.nl/js/custom/jquery-3.7...: 21 KB unused (70%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 181 KB
181 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-HWC24BQC55174 KB71 KB (41%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KF7HPBK132 KB67 KB (51%)✓3rd
https://www.kaagenbraassem.nl/wro/prototype.js41 KB22 KB (60%)✓1st
https://www.kaagenbraassem.nl/js/custom/jquery-3.7.1.min.js34 KB21 KB (70%)✓1st
https://www.kaagenbraassem.nl/wro/toggler.js5 KB—✓1st
https://www.kaagenbraassem.nl/js/custom/external_link.js5 KB—✓1st
https://www.kaagenbraassem.nl/wro/controls.js10 KB—✓1st
https://www.kaagenbraassem.nl/wro/accessiblenav.js5 KB—✓1st
https://www.kaagenbraassem.nl/wro/default.js15 KB—✓1st
https://www.kaagenbraassem.nl/js/simpleform.js11 KB—✗1st

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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

Source: web.dev / Lighthouse coverage

B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
B
Document Compression
Document response uses gzip; brotli would be ~20% smaller
REVIEW
Document response uses gzip; brotli would be ~20% smaller
Info::
Main HTML response uses gzip (brotli would be ~20% smaller)
All current browsers support brotli. Most CDNs (Cloudflare, Fastly, AWS CloudFront, Vercel, Netlify) can switch from gzip to brotli with a single config flag. Origin servers (nginx, Apache) need a brotli module compiled in -- nginx-brotli or Apache mod_brotli.
B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
Main HTML response has no Cache-Control header
Without an explicit Cache-Control, browsers fall back to heuristic caching (~10% of Last-Modified age). Set `Cache-Control: no-cache` or `max-age=300` for HTML to control freshness explicitly -- prevents stale auth state and SPA shell drift.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
C
Page Weight Inventory
Action
99 resources · 2.8 MB · 181 KB savings available
REVIEW
99 resources · 2.8 MB · 181 KB savings available
Warning::
Page weight 2.8 MB exceeds 1 MB target by 1.8 MB
Got: 2.8 MB Expected: ≤ 1 MB
Info::
~181 KB of savings available
Info::
44 third-party resources (11% of weight)
Info::
3 resources over 200KB
99 resources · 2.8 MiB · 44 third-party 1.8 MiB over 1MB target
Image 72% · 2.0 MiB
JavaScript 19% · 548.8 KiB
CSS 4% · 127.5 KiB
Font 3% · 79.3 KiB
Other 1% · 27.6 KiB
Document 0% · 13.4 KiB

~181.1 KiB of savings available

Remove unused JavaScript: 181.1 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
11% third-party, 0 ms blocking
PASS
11% third-party, 0 ms blocking
Info::
Third-party code accounts for 11% of page weight (309.5 KiB of 2.8 MiB)
Info::
Third-party blocking time is low (0 ms)
89%
First-party Third-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+
JS Execution Cost
160ms total JS execution
PASS
160ms total JS execution
Info::
Unattributable: 89ms CPU time
Info::
https://www.kaagenbraassem.nl/: 72ms CPU time

Main Thread Breakdown

Script Evaluation 46% Other 25% Style & Layout 13% Script Parsing & Compilation 9% Parse HTML & CSS 5%
ScriptTotalScriptingParse/CompileParty
Unattributable89ms20ms0ms1st
https://www.kaagenbraassem.nl/72ms5ms2ms1st
A+
Font Loading
37 fonts (79 KB)
PASS
37 fonts (79 KB)
Info::
37 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

37

79 KB total

Render-blocking

0

of 37

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 FCP 1.3 s LCP 3.0 shttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woff2math-300-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woffmath-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-300-normal.woff2greek-300-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-300-normal.woffgreek-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-300-normal.woff2latin-300-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-300-normal.wofflatin-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-300-normal.woff2symbols-300-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-300-normal.woffsymbols-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-300-normal.woff2cyrillic-300-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-300-normal.woffcyrillic-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-300-normal.woff2greek-ext-300-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-300-normal.woffgreek-ext-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-300-normal.woff2latin-ext-300-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-300-normal.wofflatin-ext-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-300-normal.woff2vietnamese-300-normal.w... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-300-normal.woffvietnamese-300-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-300-normal.woff2cyrillic-ext-300-normal... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-300-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-300-normal.woffcyrillic-ext-300-normal... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-300-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-400-normal.woff2math-400-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-400-normal.woffmath-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-400-normal.woff2greek-400-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-400-normal.woffgreek-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-400-normal.woff2latin-400-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-400-normal.wofflatin-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-400-normal.woff2symbols-400-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-400-normal.woffsymbols-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/symbols-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-400-normal.woff2cyrillic-400-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-400-normal.woffcyrillic-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-400-normal.woff2greek-ext-400-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-400-normal.woffgreek-ext-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/greek-ext-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-400-normal.woff2latin-ext-400-normal.woff2 https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-400-normal.wofflatin-ext-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/latin-ext-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-400-normal.woff2vietnamese-400-normal.w... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-400-normal.woffvietnamese-400-normal.woff https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/vietnamese-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-400-normal.woff2cyrillic-ext-400-normal... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-400-normal.woff2 — 0 B — 0 ms — font-display: swaphttps://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-400-normal.woffcyrillic-ext-400-normal... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/cyrillic-ext-400-normal.woff — 0 B — 0 ms — font-display: swaphttps://www.kaagenbraassem.nl/styles/default/fonts/font-awesome-4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0fontawesome-webfont.woff2 https://www.kaagenbraassem.nl/styles/default/fonts/font-awesome-4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0 — 79.3 KiB — 73 ms — font-display: swap
math-300-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 382 ms
Risk FOUT — text flashes from fallback to web font
math-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 382 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
greek-300-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 383 ms
Risk FOUT — text flashes from fallback to web font
greek-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 383 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
latin-300-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 383 ms
Risk FOUT — text flashes from fallback to web font
latin-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 383 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
symbols-300-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 383 ms
Risk FOUT — text flashes from fallback to web font
symbols-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 383 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
cyrillic-300-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
cyrillic-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
greek-ext-300-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
greek-ext-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
latin-ext-300-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
latin-ext-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
vietnamese-300-normal.w... woff2 swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
vietnamese-300-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 384 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
cyrillic-ext-300-normal... woff2 swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
cyrillic-ext-300-normal... woff swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
math-400-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
math-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
greek-400-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
greek-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
latin-400-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
latin-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 385 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
symbols-400-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
symbols-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
cyrillic-400-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
cyrillic-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
greek-ext-400-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
greek-ext-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
latin-ext-400-normal.woff2 woff2 swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
latin-ext-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
vietnamese-400-normal.w... woff2 swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
vietnamese-400-normal.woff woff swap
Size 0 KB
Load time 0 ms
Start 386 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
cyrillic-ext-400-normal... woff2 swap
Size 0 KB
Load time 0 ms
Start 387 ms
Risk FOUT — text flashes from fallback to web font
cyrillic-ext-400-normal... woff swap
Size 0 KB
Load time 0 ms
Start 387 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
fontawesome-webfont.woff2 woff2 swap
Size 79 KB
Load time 73 ms
Start 416 ms
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+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Info::
`Vary` header declared: accept-encoding
The page declares a `Vary` header, telling downstream caches which request headers the response varies on. Critical for content-negotiated responses (compression, language, cookies, device class).
Info::
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
Asset Compression
No text asset hosts to measure
INFO
No text asset hosts to measure
Info::
No third-party or subdomain host served enough text assets to measure
Asset compression is measured per host, from one HEAD request against a sampled resource. Pages that serve all their JS and CSS from the document's own origin are covered by the document compression check instead.
Network Waterfall
99 requests over 822ms
INFO
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http/1.1https://www.kaagenbraassem.nl/wro/builder.js/wro/builder.js https://www.kaagenbraassem.nl/wro/builder.js — 200 — 5.2 KiB — 147 ms — http/1.1https://www.kaagenbraassem.nl/wro/dragdrop.js/wro/dragdrop.js https://www.kaagenbraassem.nl/wro/dragdrop.js — 200 — 9.8 KiB — 148 ms — http/1.1https://www.kaagenbraassem.nl/wro/controls.js/wro/controls.js https://www.kaagenbraassem.nl/wro/controls.js — 200 — 10.0 KiB — 191 ms — http/1.1https://www.kaagenbraassem.nl/wro/slider.js/wro/slider.js https://www.kaagenbraassem.nl/wro/slider.js — 200 — 5.9 KiB — 191 ms — http/1.1https://www.kaagenbraassem.nl/js/custom/jquery-3.7.1.min.js/js/custom/jquery-3.7.1.min.js https://www.kaagenbraassem.nl/js/custom/jquery-3.7.1.min.js — 200 — 33.7 KiB — 196 ms — http/1.1https://www.kaagenbraassem.nl/wro/accessiblenav.js/wro/accessiblenav.js https://www.kaagenbraassem.nl/wro/accessiblenav.js — 200 — 5.5 KiB — 196 ms — http/1.1https://www.kaagenbraassem.nl/styles/default/thirdparty/swiper-bundle.min.css/styles/default/thirdparty/swiper-b... https://www.kaagenbraassem.nl/styles/default/thirdparty/swiper-bundle.min.css — 200 — 8.7 KiB — 100 ms — http/1.1https://www.kaagenbraassem.nl/wro/default.js/wro/default.js https://www.kaagenbraassem.nl/wro/default.js — 200 — 14.9 KiB — 229 ms — http/1.1https://www.kaagenbraassem.nl/js/simpleform.js/js/simpleform.js https://www.kaagenbraassem.nl/js/simpleform.js — 200 — 10.8 KiB — 226 ms — http/1.1https://www.kaagenbraassem.nl/js/modaal/modaal.css/js/modaal/modaal.css https://www.kaagenbraassem.nl/js/modaal/modaal.css — 200 — 6.3 KiB — 109 ms — http/1.1https://www.kaagenbraassem.nl/wro/modaal.js/wro/modaal.js https://www.kaagenbraassem.nl/wro/modaal.js — 200 — 9.8 KiB — 231 ms — http/1.1https://fonts.bunny.net/css?family=roboto:300,400fonts.bunny.net/css?family=roboto:3... https://fonts.bunny.net/css?family=roboto:300,400 — 200 — 2.2 KiB — 88 ms — h2https://www.kaagenbraassem.nl/dsresource?objectid=0401bb5d-aa8b-4864-9a1f-a19b1c5be6ec/dsresource?objectid=0401bb5d-aa8b-... https://www.kaagenbraassem.nl/dsresource?objectid=0401bb5d-aa8b-4864-9a1f-a19b1c5be6ec — 200 — 5.0 KiB — 41 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=a8dd7510-2b07-4de8-b4b9-64b19e94b56b&type=webimage/dsresource?objectid=a8dd7510-2b07-... https://www.kaagenbraassem.nl/dsresource?objectid=a8dd7510-2b07-4de8-b4b9-64b19e94b56b&type=webimage — 200 — 19.9 KiB — 42 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=e17d8edd-ad3c-427c-bb95-cee87c8ef1a3&type=webimage/dsresource?objectid=e17d8edd-ad3c-... https://www.kaagenbraassem.nl/dsresource?objectid=e17d8edd-ad3c-427c-bb95-cee87c8ef1a3&type=webimage — 200 — 19.5 KiB — 53 ms — http/1.1https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined/ds?action=HandleSessionParam&type=... https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined — 200 — 3.9 KiB — 35 ms — http/1.1https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined/ds?action=HandleSessionParam&type=... https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined — 200 — 3.9 KiB — 88 ms — http/1.1https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined/ds?action=HandleSessionParam&type=... https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined — 200 — 3.9 KiB — 121 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=9a1e6722-2268-4f90-97f5-c9125b6c57fb&type=webimage/dsresource?objectid=9a1e6722-2268-... https://www.kaagenbraassem.nl/dsresource?objectid=9a1e6722-2268-4f90-97f5-c9125b6c57fb&type=webimage — 200 — 26.1 KiB — 53 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=4e03e28a-f07e-4a8e-a00b-75ac7a8c8e1f&type=webimage/dsresource?objectid=4e03e28a-f07e-... https://www.kaagenbraassem.nl/dsresource?objectid=4e03e28a-f07e-4a8e-a00b-75ac7a8c8e1f&type=webimage — 200 — 26.5 KiB — 52 ms — http/1.1https://meldingen.hollandsmiddenveilig.nl/public/widget/995213f2f6c5ee73e503346327fca613.jsmeldingen.hollandsmiddenveilig.nl/p... https://meldingen.hollandsmiddenveilig.nl/public/widget/995213f2f6c5ee73e503346327fca613.js — 200 — 1.3 KiB — 105 ms — h2https://www.googletagmanager.com/gtag/js?id=G-HWC24BQC55www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-HWC24BQC55 — 200 — 173.9 KiB — 164 ms — h2
0 ms 1.0 s 2.0 s 3.0 s FCP 1.3 s LCP 3.0 shttps://www.kaagenbraassem.nl// https://www.kaagenbraassem.nl/ — 200 — 13.4 KiB — 346 ms — http/1.1https://www.kaagenbraassem.nl/styles/default/fonts/font-awesome-4.7.0/css/font-awesome.min.css/styles/default/fonts/font-awesome-... https://www.kaagenbraassem.nl/styles/default/fonts/font-awesome-4.7.0/css/font-awesome.min.css — 200 — 10.9 KiB — 39 ms — http/1.1https://www.kaagenbraassem.nl/styles/default/screen.css.jsp?colors=662382;FDFCFD;95c11e;2598D5;662382;FDFCFD;&webfontheader=&webfont=&webfontsize=/styles/default/screen.css.jsp?colo... https://www.kaagenbraassem.nl/styles/default/screen.css.jsp?colors=662382;FDFCFD;95c11e;2598D5;662382;FDFCFD;&webfontheader=&webfont=&webfontsize= — 200 — 16.6 KiB — 77 ms — http/1.1https://www.kaagenbraassem.nl/styles/default/modules.css.jsp?colors=662382;FDFCFD;95c11e;2598D5;662382;FDFCFD;/styles/default/modules.css.jsp?col... https://www.kaagenbraassem.nl/styles/default/modules.css.jsp?colors=662382;FDFCFD;95c11e;2598D5;662382;FDFCFD; — 200 — 54.1 KiB — 159 ms — http/1.1https://www.kaagenbraassem.nl/ds?action=WebsiteCss&objectid=7d739e9e-03ae-4a6f-9a25-8a08f3258274/ds?action=WebsiteCss&objectid=7d73... https://www.kaagenbraassem.nl/ds?action=WebsiteCss&objectid=7d739e9e-03ae-4a6f-9a25-8a08f3258274 — 200 — 11.4 KiB — 102 ms — http/1.1https://www.kaagenbraassem.nl/styles/default/responsive.css.jsp?colors=662382;FDFCFD;95c11e;2598D5;662382;FDFCFD;/styles/default/responsive.css.jsp?... https://www.kaagenbraassem.nl/styles/default/responsive.css.jsp?colors=662382;FDFCFD;95c11e;2598D5;662382;FDFCFD; — 200 — 11.8 KiB — 103 ms — http/1.1https://www.kaagenbraassem.nl/wro/prototype.js/wro/prototype.js https://www.kaagenbraassem.nl/wro/prototype.js — 200 — 41.4 KiB — 194 ms — http/1.1https://www.kaagenbraassem.nl/wro/effects.js/wro/effects.js https://www.kaagenbraassem.nl/wro/effects.js — 200 — 10.7 KiB — 148 ms — http/1.1https://www.kaagenbraassem.nl/wro/builder.js/wro/builder.js https://www.kaagenbraassem.nl/wro/builder.js — 200 — 5.2 KiB — 147 ms — http/1.1https://www.kaagenbraassem.nl/wro/dragdrop.js/wro/dragdrop.js https://www.kaagenbraassem.nl/wro/dragdrop.js — 200 — 9.8 KiB — 148 ms — http/1.1https://www.kaagenbraassem.nl/wro/controls.js/wro/controls.js https://www.kaagenbraassem.nl/wro/controls.js — 200 — 10.0 KiB — 191 ms — http/1.1https://www.kaagenbraassem.nl/wro/slider.js/wro/slider.js https://www.kaagenbraassem.nl/wro/slider.js — 200 — 5.9 KiB — 191 ms — http/1.1https://www.kaagenbraassem.nl/js/custom/jquery-3.7.1.min.js/js/custom/jquery-3.7.1.min.js https://www.kaagenbraassem.nl/js/custom/jquery-3.7.1.min.js — 200 — 33.7 KiB — 196 ms — http/1.1https://www.kaagenbraassem.nl/wro/accessiblenav.js/wro/accessiblenav.js https://www.kaagenbraassem.nl/wro/accessiblenav.js — 200 — 5.5 KiB — 196 ms — http/1.1https://www.kaagenbraassem.nl/styles/default/thirdparty/swiper-bundle.min.css/styles/default/thirdparty/swiper-b... https://www.kaagenbraassem.nl/styles/default/thirdparty/swiper-bundle.min.css — 200 — 8.7 KiB — 100 ms — http/1.1https://www.kaagenbraassem.nl/wro/default.js/wro/default.js https://www.kaagenbraassem.nl/wro/default.js — 200 — 14.9 KiB — 229 ms — http/1.1https://www.kaagenbraassem.nl/js/simpleform.js/js/simpleform.js https://www.kaagenbraassem.nl/js/simpleform.js — 200 — 10.8 KiB — 226 ms — http/1.1https://www.kaagenbraassem.nl/js/modaal/modaal.css/js/modaal/modaal.css https://www.kaagenbraassem.nl/js/modaal/modaal.css — 200 — 6.3 KiB — 109 ms — http/1.1https://www.kaagenbraassem.nl/wro/modaal.js/wro/modaal.js https://www.kaagenbraassem.nl/wro/modaal.js — 200 — 9.8 KiB — 231 ms — http/1.1https://fonts.bunny.net/css?family=roboto:300,400fonts.bunny.net/css?family=roboto:3... https://fonts.bunny.net/css?family=roboto:300,400 — 200 — 2.2 KiB — 88 ms — h2https://www.kaagenbraassem.nl/dsresource?objectid=0401bb5d-aa8b-4864-9a1f-a19b1c5be6ec/dsresource?objectid=0401bb5d-aa8b-... https://www.kaagenbraassem.nl/dsresource?objectid=0401bb5d-aa8b-4864-9a1f-a19b1c5be6ec — 200 — 5.0 KiB — 41 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=a8dd7510-2b07-4de8-b4b9-64b19e94b56b&type=webimage/dsresource?objectid=a8dd7510-2b07-... https://www.kaagenbraassem.nl/dsresource?objectid=a8dd7510-2b07-4de8-b4b9-64b19e94b56b&type=webimage — 200 — 19.9 KiB — 42 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=e17d8edd-ad3c-427c-bb95-cee87c8ef1a3&type=webimage/dsresource?objectid=e17d8edd-ad3c-... https://www.kaagenbraassem.nl/dsresource?objectid=e17d8edd-ad3c-427c-bb95-cee87c8ef1a3&type=webimage — 200 — 19.5 KiB — 53 ms — http/1.1https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined/ds?action=HandleSessionParam&type=... https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined — 200 — 3.9 KiB — 35 ms — http/1.1https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined/ds?action=HandleSessionParam&type=... https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined — 200 — 3.9 KiB — 88 ms — http/1.1https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined/ds?action=HandleSessionParam&type=... https://www.kaagenbraassem.nl/ds?action=HandleSessionParam&type=readundefined — 200 — 3.9 KiB — 121 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=9a1e6722-2268-4f90-97f5-c9125b6c57fb&type=webimage/dsresource?objectid=9a1e6722-2268-... https://www.kaagenbraassem.nl/dsresource?objectid=9a1e6722-2268-4f90-97f5-c9125b6c57fb&type=webimage — 200 — 26.1 KiB — 53 ms — http/1.1https://www.kaagenbraassem.nl/dsresource?objectid=4e03e28a-f07e-4a8e-a00b-75ac7a8c8e1f&type=webimage/dsresource?objectid=4e03e28a-f07e-... https://www.kaagenbraassem.nl/dsresource?objectid=4e03e28a-f07e-4a8e-a00b-75ac7a8c8e1f&type=webimage — 200 — 26.5 KiB — 52 ms — http/1.1https://meldingen.hollandsmiddenveilig.nl/public/widget/995213f2f6c5ee73e503346327fca613.jsmeldingen.hollandsmiddenveilig.nl/p... https://meldingen.hollandsmiddenveilig.nl/public/widget/995213f2f6c5ee73e503346327fca613.js — 200 — 1.3 KiB — 105 ms — h2https://www.googletagmanager.com/gtag/js?id=G-HWC24BQC55www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-HWC24BQC55 — 200 — 173.9 KiB — 164 ms — h2https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woff2cdn.jsdelivr.net/fontsource/fonts/r... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woff2 — -1 — 0 B — 0 ms — https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woffcdn.jsdelivr.net/fontsource/fonts/r... https://cdn.jsdelivr.net/fontsource/fonts/roboto@5.3.0/math-300-normal.woff — -1 — 0 B — 0 ms — 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Real-User Performance (CrUX)
Field metrics from the Chrome User Experience Report
INFO

Chrome User Experience (CrUX)

Real-user metrics from the Chrome UX Report (2026-10-14 — 2026-11-10)

LCP (p75)

1616 ms

85% good

INP (p75)

131 ms

85% good

CLS (p75)

0.000

100% good

FCP (p75)

1178 ms

TTFB (p75)

400 ms

This origin passes Core Web Vitals assessment
Image Optimization
10 images, 1010 KB total, 924 KB wasted
INFO

Image Optimization Audit

Total Images

10

Total Size

1010 KB

Oversized

9

Wasted

924 KB

10 missing dimensions 3 missing lazy loading
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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