# BeaverCheck Audit Report — https://overheid.nl

**Date:** April 22, 2026  
**URL:** https://overheid.nl  
**Overall Grade:** C (79/100)  
**Report:** https://beavercheck.com/results/70768c71-c8d9-4807-b4f0-45afcce66a09

## Top Findings

1. **[CRITICAL]** 'unsafe-eval' found in script source — Security > Content Security Policy
2. **[CRITICAL]** 'unsafe-inline' found in script source — Security > Content Security Policy
3. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility
4. **[CRITICAL]** 1 image-only link(s) without alt text — Accessibility > Link & Button Quality
5. **[CRITICAL]** No H1 heading found — Accessibility > Heading Hierarchy

---

## Lighthouse Scores

| Category | Score |
|----------|-------|
| Performance | 52 |
| Accessibility | 97 |
| Best Practices | 100 |
| SEO | 92 |

---

## Security

### Security Headers (A — 85/100)

*8 of 10 headers properly configured*

- **[PASS]** Strict-Transport-Security is properly configured (consider adding preload)
- **[PASS]** X-Content-Type-Options is properly configured
- **[PASS]** X-Frame-Options is properly configured
- **[PASS]** Referrer-Policy is properly configured
- **[PASS]** Permissions-Policy is set
- **[PASS]** Content-Security-Policy is present
- **[WARNING]** Cross-Origin-Opener-Policy header is missing — COOP isolates your browsing context, preventing cross-origin side-channel attacks. Set to 'same-origin'.
- **[WARNING]** Cross-Origin-Embedder-Policy header is missing — COEP prevents loading cross-origin resources without explicit permission. Required for SharedArrayBuffer and high-resolution timers.
- **[PASS]** X-Powered-By header is not present
- **[PASS]** Server header is not present

### Content Security Policy (C — 55/100)

*6 of 10 CSP checks passed*

- **[INFO]** Raw CSP policy
- **[PASS]** default-src directive is set
- **[CRITICAL]** 'unsafe-inline' found in script source — 'unsafe-inline' allows inline <script> tags, defeating CSP against XSS. Remove it and use nonces or hashes instead.
- **[CRITICAL]** 'unsafe-eval' found in script source — 'unsafe-eval' allows eval() and similar functions, enabling code injection. Remove it.
- **[PASS]** No wildcard in script source
- **[PASS]** object-src falls back to default-src
- **[PASS]** base-uri is properly restricted
- **[PASS]** frame-ancestors directive is set
- **[PASS]** form-action directive is set
- **[INFO]** upgrade-insecure-requests is not set — This directive upgrades HTTP resources to HTTPS automatically, preventing mixed content.

### TLS & Certificates (A — 90/100)

*TLS 1.3, 7 checks passed*

- **[PASS]** TLS 1.3 is used
- **[PASS]** Strong cipher suite is used
- **[INFO]** HTTP/2 is not negotiated — HTTP/2 provides multiplexing and header compression for better performance.
- **[PASS]** Certificate is valid (expires in 13 days)
- **[WARNING]** Certificate expires soon (13 days remaining) — Renew the certificate before it expires to avoid browser warnings.
- **[PASS]** Certificate chain has 3 certificates
- **[PASS]** Certificate uses modern signature algorithm
- **[PASS]** Certificate covers 2 domain(s)
- **[PASS]** Certificate is issued by a trusted CA

### Cookie Security (A+ — 100/100)

*No cookies set — no cookie security risks*

- **[PASS]** No cookies set — no cookie security risks

---

## Advanced Security

### Subresource Integrity (F — 20/100)

*0 of 2 external resources have SRI*

- **[WARNING]** External script from koop.piwik.pro lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from koop.piwik.pro lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.

### JS Library Vulnerabilities (A+ — 100/100)

*No known vulnerabilities*

- **[PASS]** No known JavaScript library vulnerabilities detected

### Information Leakage (A+ — 100/100)

*No exposures*

- **[PASS]** security.txt is present — good practice
- **[PASS]** No sensitive files exposed

### Email Security (A+ — 100/100)

*DMARC: reject*

- **[PASS]** DMARC policy is reject — strongest protection

### Permissions-Policy (A+ — 100/100)

*8 directives, 0 missing*

- **[PASS]** geolocation=() — blocked for all origins
- **[PASS]** microphone=() — blocked for all origins
- **[PASS]** camera=() — blocked for all origins
- **[PASS]** payment=() — blocked for all origins
- **[PASS]** usb=() — blocked for all origins
- **[PASS]** magnetometer=() — blocked for all origins
- **[PASS]** gyroscope=() — blocked for all origins
- **[PASS]** accelerometer=() — blocked for all origins

### CORS Configuration (B — 80/100)

*No CORS headers*

- **[PASS]** No CORS headers present — secure default

---

## Performance

### Page Weight Budget (D — 49/100)

*2.2 MB transferred, 22 requests*

- **[INFO]** Page weighs 4.5 MB (2.2 MB transferred)
- **[WARNING]** Images are 1.2 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
- **[WARNING]** JavaScript is 770 KB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
- **[PASS]** 22 HTTP requests
- **[INFO]** Estimated 0.47 g CO2 per page load

### Third-Party Impact (A+ — 100/100)

*5% third-party, 0 ms blocking*

- **[INFO]** Third-party code accounts for 5% of page weight (106.7 KiB of 2.2 MiB)
- **[PASS]** Third-party blocking time is low (0 ms)

### Text Compression (A+ — 100/100)

*All text resources are compressed*

- **[PASS]** All text resources are compressed

### Image Optimization (B — 70/100)

*9 images, 0 KB saveable*

- **[WARNING]** https://overheid.nl/themes/contrib/koopoverheid_th... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.

### JS Execution Cost (C — 60/100)

*1346ms total JS execution*

- **[WARNING]** https://overheid.nl/sites/default/files/js/js_uOMZ...: 723ms CPU time
- **[INFO]** Unattributable: 202ms CPU time
- **[INFO]** https://koop.piwik.pro/containers/042a8a3e-7692-4e...: 196ms CPU time
- **[INFO]** https://overheid.nl/sites/default/files/js/js_RGZD...: 153ms CPU time
- **[INFO]** https://overheid.nl/: 72ms CPU time
- **[INFO]** Third-party scripts: 398ms (30% of total)

### Font Loading (A+ — 100/100)

*2 fonts (143 KB)*

- **[INFO]** 2 font(s) use font-display: swap (FOUT risk but functional)

### JS Bundles (F — 20/100)

*4 scripts, 572 KB unused*

- **[WARNING]** https://overheid.nl/sites/default/files/js/js_uOMZ...: 497 KB unused (82%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://overheid.nl/sites/default/files/js/js_RGZD...: 40 KB unused (66%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://koop.piwik.pro/containers/042a8a3e-7692-4e...: 36 KB unused (44%) — Consider code splitting or tree shaking to reduce unused code.
- **[INFO]** Total unused JavaScript: 572 KB

### Resource Caching (A+ — 100/100)

*All resources properly cached*

- **[PASS]** No caching issues found

### Critical Rendering Path (A+ — 100/100)

*No render-blocking resources*

- **[PASS]** No render-blocking resources detected

### Resource Hints (A+ — 100/100)

*No optimization needed*

- **[PASS]** No resource hint issues

### Page Weight Inventory (D — 50/100)

*22 resources · 2.2 MB · 572 KB savings available*

- **[WARNING]** Page weight 1.2 MB over 1MB target
- **[INFO]** ~572 KB of savings available
- **[INFO]** 4 third-party resources (5% of weight)
- **[INFO]** 3 resources over 200KB

### Render-Blocking Resources (A+ — 100/100)

*No render-blocking resources detected*

- **[PASS]** No render-blocking resources detected in <head>

### Third-Party Resources (A+ — 100/100)

*No third-party resources detected*


---

## Content Quality

### Links (A+ — 100/100)

*45 links checked, 45 healthy, 0 broken*

- **[PASS]** 45 of 45 links are healthy

### Mixed Content (A+ — 100/100)

*No mixed content detected — all resources use HTTPS.*

- **[PASS]** No mixed content detected — all resources use HTTPS

### Open Graph (F — 0/100)

*No Open Graph tags found — social sharing previews will be generic.*

- **[WARNING]** No Open Graph meta tags found — Without og:title, og:description, and og:image, social media platforms will generate a generic preview when your page is shared.

### Structured Data (C — 40/100)

*No structured data (JSON-LD) found.*

- **[INFO]** No structured data (JSON-LD) found — Adding structured data helps search engines understand your content and can enable rich results.

---

## Infrastructure

### DNS Records (A+ — 95/100)

*1 A records, 115 ms lookup*

- **[PASS]** Resolves to 1 IPv4 address(es)
- **[INFO]** Single A record — no DNS redundancy — Multiple A records provide failover if one server goes down.
- **[PASS]** Has 1 IPv6 (AAAA) record(s)
- **[PASS]** 4 nameserver(s) configured
- **[PASS]** 2 mail exchanger(s) configured
- **[INFO]** CAA records not checked — CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
- **[PASS]** SPF record present in TXT
- **[PASS]** DNS resolution time: 115 ms

### Redirect Chain (A+ — 100/100)

*No redirects — direct access*

- **[PASS]** No redirects — direct access

### IPv6 Readiness (A+ — 100/100)

*IPv6 reachable (39 ms)*

- **[PASS]** IPv6 is configured and reachable at 2a04:9a00:1003:4003:f816:3eff:fe96:4aca

### Crawlability (A+ — 100/100)

*robots.txt present, sitemap with 157 URLs*

- **[PASS]** robots.txt is present
- **[PASS]** sitemap.xml is present
- **[PASS]** sitemap.xml is valid XML
- **[PASS]** sitemap.xml contains 157 entries
- **[PASS]** robots.txt references sitemap

### URL Variants (C — 65/100)

*www/non-www, trailing slash, HTTP→HTTPS*

- **[CRITICAL]** Both www and non-www versions serve content
- **[WARNING]** HTTP→HTTPS redirect uses 302 instead of 301

### Domain Intelligence (A+ — 100/100)

*overheid.nl — via Rijksoverheid, 27 years, 9 months old*

- **[PASS]** DNSSEC is enabled
- **[PASS]** Registrar: Rijksoverheid
- **[WARNING]** Registrar lock is NOT enabled — The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.

---

## Compliance

### WCAG Compliance (A+ — 100/100)

*No testable criteria*


### Cookie Consent & Privacy (A+ — 95/100)

*privacy policy found*

- **[PASS]** Privacy policy link found
- **[INFO]** No terms of service link detected
- **[INFO]** No cookie consent banner detected
- **[INFO]** This is an automated check, not legal advice — BeaverCheck detects technical indicators of consent management. This does not constitute a legal compliance assessment. Consult a privacy professional for GDPR/CCPA compliance.

### Language & i18n (A+ — 100/100)

*Lang attribute + Content-Language header*

- **[PASS]** <html lang> attribute is present
- **[PASS]** <html lang> value is valid
- **[PASS]** Content-Language header is set
- **[PASS]** Language signals are consistent

### Readability & Typography (A+ — 100/100)

*Font sizes and tap targets checked*


### Viewport Configuration (A+ — 100/100)

*Viewport properly configured*

- **[PASS]** Viewport meta tag is present
- **[PASS]** width=device-width is set
- **[PASS]** User zooming is allowed

### Third-Party Trackers (A+ — 95/100)

*3 trackers detected*

- **[INFO]** 3 third-party trackers detected — Found 3 analytics, 0 advertising, 0 marketing, 0 tag manager trackers.

### Cookie & Tracker Inventory (A+ — 100/100)

*0 cookies · 3 trackers · 0 pre-consent*

- **[INFO]** 3 third-party tracker(s) detected on page

---

## Legal

### Legal Page Ecosystem (F — 0/100)

*0 of 7 expected legal pages detected*

- **[WARNING]** Privacy Policy not detected — No link matching common Privacy Policy URL patterns or link text was found. Most websites are expected to have a Privacy Policy, especially those collecting user data.
- **[WARNING]** Terms of Service not detected — No link matching common Terms of Service URL patterns or link text was found. Most websites are expected to have a Terms of Service, especially those collecting user data.
- **[INFO]** Cookie Policy not detected — No link matching common Cookie Policy URL patterns or link text was found. Most websites are expected to have a Cookie Policy, especially those collecting user data.
- **[INFO]** Accessibility Statement not detected — No link matching common Accessibility Statement URL patterns or link text was found. Most websites are expected to have a Accessibility Statement, especially those collecting user data.
- **[INFO]** DMCA / Copyright Notice not detected — No link matching common DMCA / Copyright Notice URL patterns or link text was found. Most websites are expected to have a DMCA / Copyright Notice, especially those collecting user data.
- **[INFO]** Refund / Returns Policy not detected — No link matching common Refund / Returns Policy URL patterns or link text was found. Most websites are expected to have a Refund / Returns Policy, especially those collecting user data.
- **[INFO]** Acceptable Use Policy not detected — No link matching common Acceptable Use Policy URL patterns or link text was found. Most websites are expected to have a Acceptable Use Policy, especially those collecting user data.

### Copyright Notice (C — 55/100)

*No copyright notice detected*

- **[INFO]** No copyright notice detected — No copyright notice detected in the page content. While not legally required in most jurisdictions (copyright exists automatically), a notice is standard practice and signals site ownership.

### Regulatory Indicators

*1 regulatory indicator(s) detected*

- **[INFO]** This is a technical scan, not a legal assessment — BeaverCheck detects technical indicators that may suggest regulatory relevance. This is not a compliance audit and should not be relied upon for legal decisions. Consult qualified legal counsel for compliance assessments.
- **[INFO]** GDPR indicators detected (strong confidence) — Indicators suggesting GDPR may be relevant: European language detected: nl; European TLD detected: .nl; Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents.

### Third-Party Data Sharing

*0 third-party service(s) detected*

- **[INFO]** Data inventory for transparency purposes — This inventory identifies third-party services that receive data from your site visitors. Under regulations like GDPR (Article 30), maintaining records of data processing activities is commonly considered a best practice. This automated scan provides a starting point — it may not capture all data flows.
- **[INFO]** No recognized third-party data-sharing services detected — This page does not appear to load external tracking, analytics, or advertising scripts.

### Compliance Badges (C — 55/100)

*0 compliance badge(s) detected*

- **[INFO]** No compliance badges detected — No recognized compliance certification badges or seals were found. This is common — many sites do not display compliance badges.

---

## Availability

### CDN & Delivery (D — 50/100)

*No CDN detected*

- **[WARNING]** No CDN detected — A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.

### HTTP Caching (A+ — 100/100)

*max-age=31536000 (52 weeks)*

- **[PASS]** Cache-Control header is set
- **[PASS]** Effective TTL: 52 weeks (max-age=31536000)
- **[PASS]** ETag present — enables conditional (304) responses
- **[PASS]** Last-Modified header present

### Transport Security (A — 90/100)

*HTTP/3, HSTS, and TLS version analysis*

- **[INFO]** HTTP/3 (QUIC) not advertised — HTTP/3 eliminates head-of-line blocking. If your CDN supports it, consider enabling it.
- **[PASS]** HSTS enabled (includeSubDomains)
- **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT)

---

## Accessibility

### Landmark Structure (B — 75/100)

*5 landmarks*

- **[PASS]** <main> landmark present
- **[PASS]** 2 <nav> landmark(s) found
- **[WARNING]** 1 of 2 <nav> elements are unlabeled — Multiple navigations need aria-label to distinguish them for screen readers.
- **[WARNING]** Skip navigation link is missing (WCAG 2.4.1) — Add a skip link as the first focusable element so keyboard users can bypass repeated navigation.

### Heading Hierarchy (B — 75/100)

*14 headings*

- **[CRITICAL]** No H1 heading found — Every page should have one H1 that describes the page content.

### Alt Text Quality (A+ — 100/100)

*All 1 images OK*

- **[PASS]** 1 decorative image(s) correctly marked

### Form Accessibility (A — 85/100)

*1 of 1 controls have issues*

- **[CRITICAL]** 1 control(s) without accessible label — Form controls need a <label>, aria-label, or aria-labelledby for screen readers.

### Link & Button Quality (A — 90/100)

*43 links, 2 buttons — all OK*

- **[CRITICAL]** 1 image-only link(s) without alt text — Image-only links need alt text on the image (or aria-label on the link) so screen readers can announce them.
- **[PASS]** 42 link(s) with descriptive text

---

## UX

### 404 Error Page (D — 50/100)

*HTTP 410, custom page*

- **[WARNING]** Unexpected status code: HTTP 410 — Expected HTTP 404 but received 410. This may confuse search engine crawlers.
- **[PASS]** Custom styled 404 page
- **[PASS]** Navigation links present on 404 page
- **[PASS]** Homepage link present on 404 page

### Favicon & Branding (F — 30/100)

*2 icon(s) detected*

- **[PASS]** favicon.ico present at site root
- **[PASS]** HTML icon links detected
- **[INFO]** No apple-touch-icon detected — iOS devices use this when users add your site to their home screen. Add <link rel='apple-touch-icon' sizes='180x180' href='/apple-touch-icon.png'>.

### Web Manifest (D — 40/100)

*Not found*

- **[INFO]** No web manifest found — No manifest at standard paths (/manifest.json, /site.webmanifest). A manifest is optional but enables PWA features like home screen installation and standalone display.

### Dark Mode Support (D — 40/100)

*No dark mode signals*

- **[INFO]** No dark mode signals detected — Consider adding CSS with @media (prefers-color-scheme: dark) and <meta name='color-scheme' content='light dark'>.
- **[INFO]** Detection limited to meta tags and inline styles — External CSS files may contain prefers-color-scheme rules not visible to this scan.

### Print Stylesheet (D — 40/100)

*No print styles*

- **[INFO]** No print-specific styles detected — When users print this page, they get the screen layout including navigation and non-essential elements. Add @media print rules to hide navigation and optimize layout for paper.

### Navigation UX (F — 15/100)

*No navigation patterns*

- **[PASS]** 2 navigation landmark(s) detected
- **[INFO]** No breadcrumbs, search, or skip link detected — These navigation aids help users orient themselves and find content efficiently, especially on large sites.

---

## SEO

### Canonical URL (A+ — 100/100)

*Properly configured*

- **[PASS]** Canonical tag present
- **[PASS]** Canonical is self-referencing
- **[PASS]** Canonical matches final URL after redirects
- **[PASS]** Canonical target returns 200

### Meta Tags (A — 90/100)

*Title: 22 chars*

- **[PASS]** Page title is set
- **[WARNING]** Title is only 22 characters — consider expanding

### Content Depth (B — 80/100)

*347 words, Very Difficult*

- **[PASS]** Page has 347 words of content
- **[INFO]** Reading level: Very Difficult (grade 15)

### Internal Links (A+ — 100/100)

*21 internal, 22 external*

- **[PASS]** 21 internal links (49%)
- **[PASS]** 100% of links use descriptive anchor text
- **[INFO]** 21 internal / 22 external links

### Image SEO (A+ — 100/100)

*1 images, 1 descriptive filenames*

- **[PASS]** All images have descriptive filenames

### Hreflang

*0 hreflang tags*


---

## Sustainability

### CO2 Per Page Load (B — 70/100)

*0.63g CO2 per view*

- **[INFO]** 0.63g CO2 per page view — This page transfers 2.2 MB, producing an estimated 0.63g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.12g, network 0.11g, end-user device 0.41g.
- **[INFO]** At 10,000 monthly views: 75.9 kg CO2/year — With 10,000 page views per month, this page would generate approximately 75.9 kg of CO2 annually — equivalent to charging 9481 smartphones.

### Green Hosting (D — 50/100)

*Unknown*

- **[INFO]** Hosting provider could not be identified — Without knowing the provider, we cannot determine their energy sourcing. Check with your hosting provider about their renewable energy commitments.
- **[INFO]** Green hosting status based on known provider commitments — Green hosting detection uses a curated database of provider renewable energy commitments. This is not a real-time verification. For authoritative checks, visit thegreenwebfoundation.org.

### Repeat Visit Weight (A+ — 100/100)

*100% cached*

- **[PASS]** 100% reduction on repeat visits — Returning visitors download only 6 KB (vs 2285 KB first visit). 21 of 22 resources are served from browser cache, saving 0.63g CO2 per repeat visit.
- **[INFO]** Repeat visit: 0.00g CO2 (first visit: 0.63g)

### Carbon Budget (B — 70/100)

*50th percentile*

- **[WARNING]** 0.63g CO2 — above the median website (0.60g) — Heavier than an estimated 50% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
- **[INFO]** Estimated 50th percentile — Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.

### Transfer Efficiency (C — 60/100)

*75% efficient*

- **[WARNING]** Transfer efficiency: 75% — An estimated 572 KB (25%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 572 KB of unused JavaScript. This wasted data produces 0.16g of unnecessary CO2 per page view.

---

---

*Generated by [BeaverCheck](https://beavercheck.com) — https://beavercheck.com/results/70768c71-c8d9-4807-b4f0-45afcce66a09*