# BeaverCheck Audit Report — https://rlp.de
**Date:** April 22, 2026
**URL:** https://rlp.de
**Overall Grade:** C (75/100)
**Report:** https://beavercheck.com/results/97e2572d-5fb0-4648-a6c8-02ad3201ae20
## Top Findings
1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers
2. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy
3. **[CRITICAL]** 16 button(s) with no accessible text — Accessibility > Link & Button Quality
4. **[CRITICAL]** No H1 heading found — Accessibility > Heading Hierarchy
5. **[CRITICAL]** Soft 404: server returns HTTP 200 for non-existent pages — Accessibility > 404 Error Page
---
## Lighthouse Scores
| Category | Score |
|----------|-------|
| Performance | 67 |
| Accessibility | 90 |
| Best Practices | 81 |
| SEO | 92 |
---
## Security
### Security Headers (D — 45/100)
*4 of 10 headers properly configured*
- **[WARNING]** HSTS is missing includeSubDomains — Without includeSubDomains, subdomains can still be accessed over HTTP.
- **[PASS]** X-Content-Type-Options is properly configured
- **[PASS]** X-Frame-Options is properly configured
- **[WARNING]** Referrer-Policy header is missing — Controls how much referrer information is sent with requests. Set to 'strict-origin-when-cross-origin' or stricter.
- **[WARNING]** Permissions-Policy header is missing — Controls which browser features (camera, microphone, geolocation) are allowed. Set it to restrict unused features.
- **[CRITICAL]** Content-Security-Policy header is missing — CSP is the most important header for preventing XSS attacks. See the CSP section for detailed analysis.
- **[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 present without version info
### Content Security Policy (F — 0/100)
*No enforcing CSP policy found*
- **[CRITICAL]** No Content-Security-Policy header found — CSP is the most effective defense against XSS attacks. Add a Content-Security-Policy header to restrict resource loading.
### TLS & Certificates (A+ — 100/100)
*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 67 days)
- **[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 6 external resources have SRI*
- **[WARNING]** External link from www.rlp.de lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External link from www.rlp.de lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.rlp.de lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.rlp.de lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.rlp.de lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.rlp.de 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 (D — 40/100)
*No header set*
- **[WARNING]** No Permissions-Policy header — Consider adding a Permissions-Policy header to restrict browser feature access from embedded content.
### CORS Configuration (B — 80/100)
*No CORS headers*
- **[PASS]** No CORS headers present — secure default
---
## Performance
### Page Weight Budget (C — 66/100)
*1.7 MB transferred, 56 requests*
- **[INFO]** Page weighs 2.4 MB (1.7 MB transferred)
- **[WARNING]** Images are 1.4 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
- **[INFO]** 56 HTTP requests
- **[INFO]** Estimated 0.35 g CO2 per page load
### Third-Party Impact (D — 50/100)
*100% third-party, 0 ms blocking*
- **[WARNING]** Third-party code accounts for 100% of page weight (1.7 MiB of 1.7 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)
*43 images, 0 KB saveable*
- **[WARNING]** is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
### JS Execution Cost (B — 80/100)
*652ms total JS execution*
- **[WARNING]** Unattributable: 402ms CPU time
- **[WARNING]** https://www.rlp.de/: 250ms CPU time
- **[WARNING]** Third-party scripts: 652ms (100% of total)
### Font Loading (A+ — 100/100)
*3 fonts (40 KB)*
- **[INFO]** 3 font(s) use font-display: swap (FOUT risk but functional)
### JS Bundles (B — 80/100)
*4 scripts, 57 KB unused*
- **[WARNING]** https://www.rlp.de/_assets/90e5b5e0fb243702058dd4a...: 57 KB unused (86%) — Consider code splitting or tree shaking to reduce unused code.
- **[INFO]** Total unused JavaScript: 57 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 — 45/100)
*56 resources · 1.7 MB · 57 KB savings available*
- **[WARNING]** Page weight 688 KB over 1MB target
- **[INFO]** ~57 KB of savings available
- **[WARNING]** 55 third-party resources (100% of weight)
- **[INFO]** 1 resources over 200KB
### Render-Blocking Resources (A+ — 100/100)
*No render-blocking resources detected*
- **[PASS]** No render-blocking resources detected in
### Third-Party Resources (A+ — 100/100)
*No third-party resources detected*
---
## Content Quality
### Links (A — 90/100)
*200 links checked, 198 healthy, 2 broken*
- **[WARNING]** 198 of 200 links are healthy
- **[CRITICAL]** Broken link: https://www.mpower-rlp.de/ — Found in . Get "https://www.mpower-rlp.de/": tls: failed to verify certificate: x509: certificate is valid for realtime.at, www.realtime.at, not www.mpower-rlp.de
- **[CRITICAL]** Broken link: https://schule-der-zukunft.rlp.de/service/faq — Found in . Returns HTTP 404.
### Mixed Content (F — 20/100)
*4 HTTP resource(s) loaded on HTTPS page*
- **[CRITICAL]** HTTP link loaded on HTTPS page — Modern browsers block or warn about HTTP resources on HTTPS pages. Change the URL to use HTTPS.
- **[CRITICAL]** HTTP link loaded on HTTPS page — Modern browsers block or warn about HTTP resources on HTTPS pages. Change the URL to use HTTPS.
- **[CRITICAL]** HTTP link loaded on HTTPS page — Modern browsers block or warn about HTTP resources on HTTPS pages. Change the URL to use HTTPS.
- **[CRITICAL]** HTTP link loaded on HTTPS page — Modern browsers block or warn about HTTP resources on HTTPS pages. Change the URL to use HTTPS.
### Open Graph (C — 70/100)
*Open Graph tags are partially configured — some improvements recommended.*
- **[WARNING]** Missing og:image — The og:image tag provides a preview image for social sharing.
- **[INFO]** Missing og:url — The og:url tag specifies the canonical URL for the shared content.
- **[INFO]** Missing og:type — The og:type tag helps social platforms categorize the content.
- **[INFO]** Missing og:site_name — The og:site_name tag displays the website name in social previews.
### 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, 58 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.
- **[INFO]** No IPv6 (AAAA) records
- **[PASS]** 3 nameserver(s) configured
- **[PASS]** 4 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: 58 ms
### Redirect Chain (B — 70/100)
*2 redirect(s), 306 ms total*
- **[WARNING]** 2 redirects before reaching final URL — Each redirect adds latency. Try to minimize the chain to 1 hop.
- **[INFO]** HTTP to HTTPS redirect present
- **[INFO]** WWW normalization redirect
- **[WARNING]** 2-hop chain could be reduced to 1 hop — Redirect directly from https://rlp.de to https://www.rlp.de/
### IPv6 Readiness (C — 60/100)
*No IPv6 support*
- **[INFO]** No IPv6 (AAAA) records found — IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
### Crawlability (C — 65/100)
*robots.txt present, sitemap with 0 URLs*
- **[PASS]** robots.txt is present
- **[PASS]** sitemap.xml is present
- **[WARNING]** sitemap.xml contains invalid XML — Search engines may not be able to parse the sitemap. Fix XML validation errors.
- **[WARNING]** sitemap.xml is empty — no URLs found — An empty sitemap provides no value. Add entries for your pages.
- **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.
### URL Variants (B — 75/100)
*www/non-www, trailing slash, HTTP→HTTPS*
- **[CRITICAL]** Both www and non-www versions serve content
- **[PASS]** HTTP correctly 301-redirects to HTTPS
### Domain Intelligence (A+ — 100/100)
*rlp.de — hosted on DTAG Internet service provider operations, DE*
- **[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.
- **[PASS]** Hosting: DTAG Internet service provider operations, DE
---
## Compliance
### WCAG Compliance (A+ — 100/100)
*No testable criteria*
### Cookie Consent & Privacy (B — 80/100)
*No consent signals detected*
- **[WARNING]** No privacy policy link detected — A privacy policy page is recommended for transparency and may be legally required.
- **[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 — 90/100)
*Lang attribute present*
- **[PASS]** attribute is present
- **[PASS]** value is valid
- **[INFO]** No Content-Language HTTP header
- **[INFO]** Language signals are inconsistent — The attribute and Content-Language header should agree.
### 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+ — 100/100)
*No third-party trackers detected*
- **[PASS]** No third-party trackers detected
---
## Legal
### Legal Page Ecosystem (F — 30/100)
*1 of 7 expected legal pages detected*
- **[PASS]** Privacy Policy detected — Found at /ueber-uns/datenschutz.
- **[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 TLD detected: .de; 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 (B — 70/100)
*max-age=0*
- **[PASS]** Cache-Control header is set
- **[INFO]** No ETag or Last-Modified header — Conditional requests (304 Not Modified) are not possible without validators.
### 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 (base policy)
- **[INFO]** HSTS missing includeSubDomains — Without includeSubDomains, HSTS only protects the exact domain.
- **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT)
---
## Accessibility
### Landmark Structure (A — 85/100)
*13 landmarks*
- **[PASS]** landmark present
- **[PASS]** 7