# BeaverCheck Audit Report — https://deutschlandfunkkultur.de **Date:** April 22, 2026 **URL:** https://deutschlandfunkkultur.de **Overall Grade:** D (69/100) **Report:** https://beavercheck.com/results/cda82f5f-2a9a-4b78-98b8-7087805f0e8e ## Top Findings 1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers 2. **[CRITICAL]** HSTS header is missing — Security > Security Headers 3. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy 4. **[CRITICAL]** Page weighs 12.6 MB (4.6 MB transferred) — Performance > Page Weight Budget 5. **[CRITICAL]** 36 button(s) with no accessible text — Accessibility > Link & Button Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 48 | | Accessibility | 84 | | Best Practices | 96 | | SEO | 100 | --- ## Security ### Security Headers (F — 10/100) *2 of 10 headers properly configured* - **[CRITICAL]** HSTS header is missing — Strict-Transport-Security forces browsers to use HTTPS, preventing downgrade attacks. Add the header with a max-age of at least 1 year. - **[WARNING]** X-Content-Type-Options header is missing — This header prevents MIME-type sniffing, which can lead to XSS attacks. Set it to 'nosniff'. - **[WARNING]** X-Frame-Options header is missing — This header prevents clickjacking by controlling who can embed your page in a frame. Set it to DENY or SAMEORIGIN. - **[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 not present ### 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 43 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 1 external resources have SRI* - **[WARNING]** External script from tag.aticdn.net 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* - **[INFO]** No security.txt found — Consider adding a security.txt at /.well-known/security.txt. - **[PASS]** No sensitive files exposed ### Email Security (F — 30/100) *No DMARC* - **[WARNING]** No DMARC record found — Without DMARC, email receivers have no policy for handling authentication failures. ### 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 (F — 0/100) *4.6 MB transferred, 62 requests* - **[CRITICAL]** Page weighs 12.6 MB (4.6 MB transferred) - **[WARNING]** Images are 2.5 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[WARNING]** JavaScript is 1.2 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** CSS is 200 KB — consider purging unused styles — Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size. - **[INFO]** 62 HTTP requests - **[INFO]** Estimated 0.96 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 (4.6 MiB of 4.6 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 — 75/100) *42 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (F — 20/100) *4272ms total JS execution* - **[WARNING]** https://www.deutschlandfunkkultur.de/static/genera...: 1213ms CPU time - **[WARNING]** https://www.deutschlandfunkkultur.de/: 1009ms CPU time - **[WARNING]** https://www.deutschlandfunkkultur.de/static/genera...: 736ms CPU time - **[WARNING]** Unattributable: 618ms CPU time - **[WARNING]** https://www.deutschlandfunkkultur.de/static/podlov...: 419ms CPU time - **[WARNING]** Third-party scripts: 4272ms (100% of total) ### Font Loading (A+ — 100/100) *3 fonts (109 KB)* - **[INFO]** 3 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 20/100) *8 scripts, 613 KB unused* - **[WARNING]** https://www.deutschlandfunkkultur.de/static/genera...: 313 KB unused (47%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.deutschlandfunkkultur.de/static/podlov...: 146 KB unused (62%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.deutschlandfunkkultur.de/static/genera...: 121 KB unused (76%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.deutschlandfunkkultur.de/static/podlov...: 33 KB unused (73%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 613 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 (F — 30/100) *62 resources · 4.6 MB · 613 KB savings available* - **[WARNING]** Page weight 3.6 MB over 1MB target - **[INFO]** ~613 KB of savings available - **[WARNING]** 61 third-party resources (100% 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 ### Third-Party Resources (A+ — 100/100) *No third-party resources detected* --- ## Content Quality ### Links (F — 40/100) *200 links checked, 181 healthy, 19 broken* - **[CRITICAL]** 181 of 200 links are healthy - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/img/deutschlandfu... — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://deutschlandfunkkultur.de/static/generated/deutsch... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://deutschlandfunkkultur.de/ — Found in . Returns HTTP 403. ### Mixed Content (A+ — 100/100) *No mixed content detected — all resources use HTTPS.* - **[PASS]** No mixed content detected — all resources use HTTPS ### Open Graph (B — 80/100) *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]** og:title is short (22 characters) — Ideal length is 25–60 characters for social sharing previews. - **[INFO]** Missing twitter:card — Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control. ### 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, 56 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]** 4 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: 56 ms ### Redirect Chain (A — 90/100) *1 redirect(s), 160 ms total* - **[PASS]** Single redirect - **[INFO]** WWW normalization redirect ### 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 (A+ — 100/100) *robots.txt present, sitemap with 100 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 100 entries - **[PASS]** robots.txt references sitemap ### URL Variants (A+ — 100/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *deutschlandfunkkultur.de — hosted on Google Cloud* - **[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: Google Cloud --- ## 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 (C — 55/100) *5 trackers detected* - **[INFO]** 5 third-party trackers detected — Found 5 analytics, 0 advertising, 0 marketing, 0 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 5 trackers but no cookie policy was detected. GDPR requires disclosure when using tracking cookies. - **[WARNING]** Trackers detected but no privacy policy found — Most data protection regulations require a privacy policy when collecting user data via trackers. ### Cookie & Tracker Inventory (A+ — 100/100) *0 cookies · 5 trackers · 0 pre-consent* - **[INFO]** 5 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (C — 60/100) *2 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at https://www.deutschlandfunkkultur.de/datenschutz-114.html, linked from footer. - **[PASS]** Terms of Service detected — Found at https://www.deutschlandfunkkultur.de/nutzungsbedingungen-104.html, linked from footer. - **[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 (A+ — 100/100) *© 2026 Datenschutzerklärung Nutzungsbedingungen Impressum* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Datenschutzerklärung Nutzungsbedingungen Impressum - **[PASS]** Copyright holder: Datenschutzerklärung Nutzungsbedingungen Impressum ### Regulatory Indicators *2 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. - **[INFO]** HIPAA indicators detected (weak confidence) — Indicators suggesting HIPAA may be relevant: Text mentions: phi. Health Insurance Portability and Accountability Act — protects sensitive patient health information. ### 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) *private* - **[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 — 85/100) *HTTP/3, HSTS, and TLS version analysis* - **[PASS]** HTTP/3 (QUIC) supported — The server advertises HTTP/3 via Alt-Svc for faster connections on mobile networks. - **[WARNING]** Missing Strict-Transport-Security header — HSTS tells browsers to only use HTTPS, preventing SSL stripping attacks. - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (B — 75/100) *6 landmarks* - **[PASS]**
landmark present - **[PASS]** 3