# BeaverCheck Audit Report — https://isc.org **Date:** April 21, 2026 **URL:** https://isc.org **Overall Grade:** C (74/100) **Report:** https://beavercheck.com/results/4ff83f0a-f842-4429-9c61-20d9eadeec7c ## 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 link(s) with no accessible text — Accessibility > Link & Button Quality 4. **[CRITICAL]** 2 button(s) with no accessible text — Accessibility > Link & Button Quality 5. **[CRITICAL]** 4 image-in-link without alt text — Accessibility > Alt Text Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 54 | | Accessibility | 85 | | Best Practices | 100 | | SEO | 85 | --- ## Security ### Security Headers (F — 25/100) *2 of 10 headers properly configured* - **[WARNING]** HSTS is missing includeSubDomains — Without includeSubDomains, subdomains can still be accessed over HTTP. - **[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 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 1.2, 7 checks passed* - **[PASS]** TLS 1.2 is used - **[INFO]** TLS 1.3 is not negotiated — TLS 1.3 offers improved performance and security. Consider enabling it. - **[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 230 days) - **[PASS]** Certificate chain has 2 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 3 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 (D — 40/100) *3 of 8 external resources have SRI* - **[WARNING]** External link from cdn.jsdelivr.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from cdn.jsdelivr.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from ajax.googleapis.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[PASS]** script from cdnjs.cloudflare.com has SRI protection - **[PASS]** script from cdn.jsdelivr.net has SRI protection - **[WARNING]** External script from www.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[PASS]** link from cdn.jsdelivr.net has SRI protection - **[WARNING]** External script from googleads.g.doubleclick.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 (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 (A+ — 96/100) *667 KB transferred, 34 requests* - **[PASS]** Page weighs 1.2 MB (667 KB transferred) - **[PASS]** 34 HTTP requests - **[INFO]** Estimated 0.14 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 (666.4 KiB of 666.6 KiB) - **[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 (C — 60/100) *16 images, 0 KB saveable* - **[WARNING]** https://www.isc.org/images/blog/bind9label.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.isc.org/images/blog/net.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.isc.org/images/logo.png is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (C — 60/100) *1753ms total JS execution* - **[WARNING]** https://www.isc.org/: 776ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-EF66...: 541ms CPU time - **[WARNING]** Unattributable: 319ms CPU time - **[INFO]** https://ajax.googleapis.com/ajax/libs/jquery/3.7.1...: 117ms CPU time - **[WARNING]** Third-party scripts: 1753ms (100% of total) ### Font Loading (A+ — 100/100) *1 fonts (55 KB)* - **[INFO]** 1 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (B — 80/100) *7 scripts, 81 KB unused* - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-EF66...: 56 KB unused (32%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.isc.org/js/bundle.js: 26 KB unused (79%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 81 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 (A — 85/100) *34 resources · 667 KB · 81 KB savings available* - **[PASS]** Within 1MB page-weight target - **[INFO]** ~81 KB of savings available - **[WARNING]** 33 third-party resources (100% of weight) ### 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) *86 links checked, 86 healthy, 0 broken* - **[PASS]** 86 of 86 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 (C — 75/100) *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 (3 characters) — Ideal length is 25–60 characters for social sharing previews. - **[INFO]** Missing og:site_name — The og:site_name tag displays the website name in social 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+ — 100/100) *4 A records, 18 ms lookup* - **[PASS]** Resolves to 4 IPv4 address(es) - **[PASS]** Has 4 IPv6 (AAAA) record(s) - **[PASS]** 5 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: 18 ms ### Redirect Chain (A — 90/100) *1 redirect(s), 56 ms total* - **[PASS]** Single redirect - **[INFO]** WWW normalization redirect ### IPv6 Readiness (F — 30/100) *IPv6 records exist but unreachable* - **[WARNING]** IPv6 DNS records exist but server is not reachable — Having AAAA records but an unreachable server is worse than no AAAA — clients may experience delays before falling back to IPv4. - **[INFO]** IPv6 connection error ### Crawlability (A+ — 95/100) *robots.txt present, sitemap with 578 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 578 entries - **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap. ### URL Variants (D — 50/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[CRITICAL]** Both www and non-www versions serve content - **[CRITICAL]** HTTP version does not redirect to HTTPS ### Domain Intelligence (A+ — 100/100) *isc.org — via Tucows Domains Inc., 32 years, 6 months old, hosted on Fastly* - **[PASS]** Domain registered until Apr 5, 2028 (1 years, 11 months remaining) - **[PASS]** DNSSEC is enabled - **[PASS]** Registrar: Tucows Domains 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. - **[PASS]** Hosting: Fastly --- ## 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 (D — 40/100) *5 trackers detected* - **[INFO]** 5 third-party trackers detected — Found 3 analytics, 1 advertising, 0 marketing, 1 tag manager trackers. - **[WARNING]** 1 advertising/retargeting trackers detected — Advertising trackers collect user data for ad targeting. Under GDPR, these typically require explicit consent. - **[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 (F — 35/100) *1 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at /privacy, linked from footer. - **[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 (A+ — 100/100) *© 2026 Internet Systems Consortium* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Internet Systems Consortium - **[PASS]** Copyright holder: Internet Systems Consortium ### 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 (moderate confidence) — Indicators suggesting GDPR may be relevant: 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 *2 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]** 2 third-party services across 2 categories — 2 third-party services detected across 2 categories: Analytics (1), CDN (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]** Cloudflare (CDN) — Detected via script URL. Typically collects: IP address (transient), Request metadata. Privacy policy: https://www.cloudflare.com/privacypolicy/. 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+ — 100/100) *Fastly (HIT)* - **[PASS]** Site is served via Fastly CDN - **[PASS]** CDN cache status: HIT ### HTTP Caching (A — 90/100) *max-age=86400 (1 day)* - **[PASS]** Cache-Control header is set - **[PASS]** Effective TTL: 1 day (max-age=86400) - **[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. --- ## Accessibility ### Landmark Structure (C — 60/100) *3 landmarks* - **[CRITICAL]** No
landmark found — Screen reader users cannot quickly navigate to the primary content. Wrap your main content in
. - **[PASS]** 1