# BeaverCheck Audit Report — https://linklist.bio **Date:** April 21, 2026 **URL:** https://linklist.bio **Overall Grade:** C (72/100) **Report:** https://beavercheck.com/results/0fe0b234-4d2f-4114-91a7-fe4627615069 ## Top Findings 1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers 2. **[CRITICAL]** Cookie 'linklist_session' is missing the Secure flag — Security > Cookie Security 3. **[CRITICAL]** HSTS header is missing — Security > Security Headers 4. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy 5. **[CRITICAL]** Soft 404: server returns HTTP 200 for non-existent pages — Accessibility > 404 Error Page --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 36 | | Accessibility | 94 | | Best Practices | 81 | | SEO | 100 | --- ## Security ### Security Headers (F — 20/100) *3 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. - **[PASS]** X-Content-Type-Options is properly configured - **[WARNING]** X-Frame-Options has unexpected value - **[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 60 days) - **[PASS]** Certificate chain has 2 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 1 domain(s) - **[PASS]** Certificate is issued by a trusted CA ### Cookie Security (B — 80/100) *2 cookies analyzed, 4 checks passed* - **[PASS]** Cookie 'XSRF-TOKEN' has the Secure flag - **[WARNING]** Cookie 'XSRF-TOKEN' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft. - **[PASS]** Cookie 'XSRF-TOKEN' has SameSite=Lax - **[CRITICAL]** Cookie 'linklist_session' is missing the Secure flag — Without the Secure flag, this cookie can be sent over unencrypted HTTP, exposing it to interception. - **[PASS]** Cookie 'linklist_session' has the HttpOnly flag - **[PASS]** Cookie 'linklist_session' has SameSite=Lax --- ## Advanced Security ### Subresource Integrity (D — 40/100) *1 of 15 external resources have SRI* - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from connect.facebook.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from assets.linklist.bio lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[PASS]** script from static.cloudflareinsights.com has SRI protection ### 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 (D — 50/100) *DMARC: none* - **[WARNING]** DMARC policy is none — monitoring only — This only monitors, it doesn't block spoofed emails. Change to p=quarantine or p=reject. ### 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 — 14/100) *3.4 MB transferred, 154 requests* - **[WARNING]** Page weighs 14.6 MB (3.4 MB transferred) - **[WARNING]** JavaScript is 2.6 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[WARNING]** 154 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 0.72 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 (3.4 MiB of 3.4 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) *29 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (F — 20/100) *6486ms total JS execution* - **[WARNING]** https://linklist.bio/: 2342ms CPU time - **[WARNING]** Unattributable: 725ms CPU time - **[WARNING]** https://assets.linklist.bio/b148a234-62bb-428a-ad2...: 636ms CPU time - **[WARNING]** https://js.intercomcdn.com/frame-modern.db2b74ec.j...: 596ms CPU time - **[WARNING]** https://assets.linklist.bio/b148a234-62bb-428a-ad2...: 457ms CPU time - **[WARNING]** Third-party scripts: 3929ms (61% of total) ### Font Loading (A+ — 100/100) *7 fonts (154 KB)* - **[INFO]** 7 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 20/100) *73 scripts, 529 KB unused* - **[WARNING]** https://js.intercomcdn.com/frame-modern.db2b74ec.j...: 123 KB unused (64%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://js.intercomcdn.com/vendor-modern.80eace52....: 86 KB unused (60%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-PVSD...: 70 KB unused (41%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-PF9...: 67 KB unused (45%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=AW-109...: 62 KB unused (42%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 529 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) *9 hints, 0 missing preconnects* - **[PASS]** Page uses 9 resource hint(s) ### Page Weight Inventory (F — 35/100) *154 resources · 3.4 MB · 529 KB savings available* - **[WARNING]** Page weight 2.4 MB over 1MB target - **[INFO]** ~529 KB of savings available - **[WARNING]** 147 third-party resources (98% 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 (B — 86/100) *113 links checked, 109 healthy, 2 broken* - **[WARNING]** 109 of 113 links are healthy - **[WARNING]** Broken link: https://fonts.googleapis.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://www.googletagmanager.com — Found in . Returns HTTP 404. - **[INFO]** Long redirect chain: https://linklist.bio/o2xgz1zf8t (3 hops) - **[INFO]** Long redirect chain: https://linklist.bio/4cp-t5itbq (3 hops) ### Mixed Content (A+ — 100/100) *No mixed content detected — all resources use HTTPS.* - **[PASS]** No mixed content detected — all resources use HTTPS ### Open Graph (A+ — 100/100) *Open Graph tags are well configured for social sharing.* ### 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, 31 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[PASS]** Has 2 IPv6 (AAAA) record(s) - **[PASS]** 2 nameserver(s) configured - **[PASS]** 6 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: 31 ms ### Redirect Chain (A+ — 100/100) *No redirects — direct access* - **[PASS]** No redirects — direct access ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (17 ms)* - **[PASS]** IPv6 is configured and reachable at 2606:4700:10::ac42:a1ca, 2606:4700:10::6814:1820 ### Crawlability (A+ — 100/100) *robots.txt present, sitemap with 2 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 2 entries - **[PASS]** Sitemap index with 2 child sitemaps - **[PASS]** robots.txt references 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) *linklist.bio — via NameCheap, Inc., 6 years, 2 months old* - **[PASS]** Domain registered until Mar 5, 2027 (10 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: NameCheap, Inc. - **[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]** 2 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) *6 trackers detected* - **[INFO]** 6 third-party trackers detected — Found 5 analytics, 0 advertising, 0 marketing, 1 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 6 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) *2 cookies · 6 trackers · 0 pre-consent* - **[INFO]** 1 cookie(s) could not be classified - **[INFO]** 6 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 *0 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]** No specific regulatory indicators detected — No strong signals for GDPR, CCPA, ADA, PCI, HIPAA, or COPPA were found. This does not mean these regulations don't apply — it means we didn't detect common technical indicators. ### Third-Party Data Sharing *3 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]** 3 third-party services across 3 categories — 3 third-party services detected across 3 categories: Analytics (1), Tag Management (1), Advertising (1). Each of these services receives some user data from your site visitors. - **[INFO]** Google Analytics (Analytics) — Detected via script URL. Typically collects: Page views, User behavior, Demographics, Device info, IP address. Privacy policy: https://policies.google.com/privacy. Data Processing Agreement available. - **[INFO]** Google Tag Manager (Tag Management) — Detected via script URL. Typically collects: Orchestrates other tracking scripts, Page views. Privacy policy: https://policies.google.com/privacy. Data Processing Agreement available. - **[INFO]** Facebook Pixel (Advertising) — Detected via script URL. Typically collects: Page views, Conversions, User behavior, Ad targeting. Privacy policy: https://www.facebook.com/privacy/policy. Data Processing Agreement available. ### 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 (A — 85/100) *Cloudflare (DYNAMIC)* - **[PASS]** Site is served via Cloudflare CDN (edge: CDG) - **[INFO]** CDN cache status: DYNAMIC ### HTTP Caching (B — 70/100) *no-cache, 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 (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]** 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 (C — 65/100) *10 landmarks* - **[PASS]**
landmark present - **[WARNING]** Multiple
landmarks (3 found) — A page should have only one
landmark. - **[PASS]** 2