# BeaverCheck Audit Report — https://sedo.com **Date:** April 16, 2026 **URL:** https://sedo.com **Overall Grade:** C (75/100) **Report:** https://beavercheck.com/results/6abe9bbf-c001-4c5c-b865-d65aa7e80488 ## 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]** 1 button(s) with no accessible text — Accessibility > Link & Button Quality 4. **[CRITICAL]** 2 link(s) with no accessible text — Accessibility > Link & Button Quality 5. **[CRITICAL]** No H1 heading found — Accessibility > Heading Hierarchy --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 24 | | Accessibility | 92 | | Best Practices | 81 | | SEO | 69 | --- ## Security ### Security Headers (D — 40/100) *4 of 10 headers properly configured* - **[WARNING]** HSTS max-age is too short (2592000s, should be ≥ 31536000s) — A short max-age leaves a window for downgrade attacks. Set max-age to at least 31536000 (1 year). - **[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 189 days) - **[PASS]** Certificate chain has 4 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 2 domain(s) - **[PASS]** Certificate is issued by a trusted CA ### Cookie Security (A+ — 95/100) *1 cookies analyzed, 2 checks passed* - **[PASS]** Cookie 'campaignId' has the Secure flag - **[PASS]** Cookie 'campaignId' has the HttpOnly flag - **[WARNING]** Cookie 'campaignId' has no SameSite attribute — Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict. --- ## Advanced Security ### Subresource Integrity (F — 20/100) *0 of 12 external resources have SRI* - **[WARNING]** External link from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from app.usercentrics.eu lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from app.usercentrics.eu lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.sedo.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from widget.trustpilot.com 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 (A — 85/100) *DMARC: quarantine* - **[PASS]** DMARC policy is quarantine — good 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 (F — 24/100) *3.1 MB transferred, 65 requests* - **[WARNING]** Page weighs 5.4 MB (3.1 MB transferred) - **[WARNING]** Images are 1.7 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[INFO]** Fonts are 809 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[WARNING]** JavaScript is 594 KB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** 65 HTTP requests - **[INFO]** Estimated 0.65 g CO2 per page load ### Third-Party Impact (D — 50/100) *98% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 98% of page weight (3.1 MiB of 3.1 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) *16 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (F — 20/100) *3730ms total JS execution* - **[WARNING]** https://sedo.com/us/: 864ms CPU time - **[WARNING]** Unattributable: 748ms CPU time - **[WARNING]** https://app.usercentrics.eu/browser-ui/3.98.0/inde...: 542ms CPU time - **[WARNING]** https://sedo.com/cdn-cgi/challenge-platform/script...: 419ms CPU time - **[WARNING]** https://cdn.sedo.com/_assets/d5f4f9fe5665dde1fdba7...: 257ms CPU time - **[WARNING]** Third-party scripts: 2447ms (66% of total) ### Font Loading (A+ — 100/100) *5 fonts (809 KB)* - **[INFO]** 5 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (C — 60/100) *23 scripts, 166 KB unused* - **[WARNING]** https://cdn.sedo.com/c7r/assets/static/libs/extern...: 58 KB unused (87%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://app.usercentrics.eu/browser-ui/3.98.0/inde...: 54 KB unused (44%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.sedo.com/_assets/d5f4f9fe5665dde1fdba7...: 27 KB unused (66%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://app.usercentrics.eu/browser-ui/3.98.0/Virt...: 26 KB unused (54%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 166 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) *65 resources · 3.1 MB · 166 KB savings available* - **[WARNING]** Page weight 2.1 MB over 1MB target - **[INFO]** ~166 KB of savings available - **[WARNING]** 55 third-party resources (98% of weight) - **[INFO]** 4 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+ — 100/100) *94 links checked, 94 healthy, 0 broken* - **[PASS]** 94 of 94 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+ — 100/100) *2 A records, 8 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[PASS]** Has 2 IPv6 (AAAA) record(s) - **[PASS]** 2 nameserver(s) configured - **[PASS]** 1 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: 8 ms ### Redirect Chain (B — 70/100) *1 redirect(s), 1143 ms total* - **[PASS]** Single redirect - **[WARNING]** Redirect overhead: 1143 ms total ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (1 ms)* - **[PASS]** IPv6 is configured and reachable at 2606:4700::6810:8c72, 2606:4700::6810:8d72 ### Crawlability (A+ — 100/100) *robots.txt present, sitemap with 12 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 12 entries - **[PASS]** Sitemap index with 12 child sitemaps - **[PASS]** robots.txt references sitemap ### URL Variants (A+ — 100/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[PASS]** www/non-www redirect configured correctly (preferred: non-www) - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *sedo.com — via World4You Internet Services GmbH, 27 years, 11 months old* - **[PASS]** Domain registered until Sep 10, 2026 (4 months remaining) - **[INFO]** DNSSEC is not enabled — DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it. - **[PASS]** Registrar: World4You Internet Services GmbH - **[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 (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 - **[PASS]** 1 cookie(s) set on initial load (functional) - **[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) *3 trackers detected* - **[INFO]** 3 third-party trackers detected — Found 3 analytics, 0 advertising, 0 marketing, 0 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 3 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) *1 cookies · 3 trackers · 0 pre-consent* - **[INFO]** 1 cookie(s) could not be classified - **[INFO]** 3 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (D — 45/100) *2 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at /us/about-us/policies/protecting-your-privacy/. - **[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. - **[PASS]** Accessibility Statement detected — Found at /us/about-us/policies/accessibility-statement/, linked from footer. - **[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) *© 1999 - 2026 Sedo* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 1999 - 2026 Sedo - **[PASS]** Copyright holder: Sedo ### Regulatory Indicators *3 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 (moderate confidence) — Indicators suggesting GDPR may be relevant: European TLD detected: .de. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents. - **[INFO]** ADA indicators detected (moderate confidence) — Indicators suggesting ADA may be relevant: Accessibility statement page found. Americans with Disabilities Act / Section 508 — requires digital accessibility for people with disabilities. - **[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 (B — 70/100) *2 compliance badge(s) detected* - **[PASS]** Better Business Bureau badge detected — Found via body text: 'bbb'. Note: the presence of a badge does not verify the certification is current or valid. - **[PASS]** TRUSTe / TrustArc badge detected — Found via body text: 'truste'. Note: the presence of a badge does not verify the certification is current or valid. --- ## Availability ### CDN & Delivery (A — 85/100) *Cloudflare (DYNAMIC)* - **[PASS]** Site is served via Cloudflare CDN (edge: SIN) - **[INFO]** CDN cache status: DYNAMIC ### HTTP Caching (F — 30/100) *No cache headers* - **[WARNING]** No Cache-Control header found — Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers. ### Transport Security (B — 75/100) *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. - **[WARNING]** HSTS max-age is short: 30 days — HSTS max-age should be at least 1 year (31536000 seconds). - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (B — 75/100) *12 landmarks* - **[PASS]**
landmark present - **[PASS]** 7