# BeaverCheck Audit Report — https://www.haskell.org **Date:** April 7, 2026 **URL:** https://www.haskell.org **Overall Grade:** C (74/100) **Report:** https://beavercheck.com/results/1d4fb56b-96ff-6c1c-51fb-3bca47e4c70b ## 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]** 1 button(s) with no accessible text — Accessibility > Link & Button Quality 5. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 70 | | Accessibility | 83 | | Best Practices | 96 | | SEO | 100 | --- ## Security ### Security Headers (D — 40/100) *5 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 - **[PASS]** X-Frame-Options is properly configured - **[PASS]** Referrer-Policy is properly configured - **[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 62 days) - **[PASS]** Certificate chain has 2 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 2 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 script from cdn.jsdelivr.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 (A — 90/100) *858 KB transferred, 44 requests* - **[PASS]** Page weighs 1.1 MB (858 KB transferred) - **[PASS]** 44 HTTP requests - **[INFO]** Estimated 0.18 g CO2 per page load ### Third-Party Impact (A+ — 100/100) *9% third-party, 0 ms blocking* - **[INFO]** Third-party code accounts for 9% of page weight (74.1 KiB of 858.2 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) *28 images, 0 KB saveable* - **[WARNING]** https://www.haskell.org/testimonials/logos/serokel... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://i1.ytimg.com/vi/re96UgMk6GQ/mqdefault.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/central... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/e-bot7.... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/noredin... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/stackbu... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/img/haskell-logo.svg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://i1.ytimg.com/vi/LnX3B9oaKzw/mqdefault.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://i1.ytimg.com/vi/t1e8gqXLbsU/mqdefault.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/bitnomi... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/fission... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/iohk.pn... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://i1.ytimg.com/vi/4RuLzL_q0zs/mqdefault.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://i1.ytimg.com/vi/IzQTfh-Iuds/mqdefault.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/finn.pn... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/hubspot... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/mercury... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/Scrive.... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://i1.ytimg.com/vi/WHVMjMIJnB4/mqdefault.jpg is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/bellroy... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/calabri... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/foxhoun... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/hasura.... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/imagine... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.haskell.org/testimonials/logos/scarf.p... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (C — 60/100) *1025ms total JS execution* - **[WARNING]** https://www.haskell.org/: 377ms CPU time - **[WARNING]** Unattributable: 326ms CPU time - **[INFO]** https://www.haskell.org/js/jquery.js: 166ms CPU time - **[INFO]** https://cdn.jsdelivr.net/npm/glider-js@1/glider.mi...: 155ms CPU time - **[INFO]** Third-party scripts: 482ms (47% of total) ### Font Loading (A+ — 100/100) *3 fonts (63 KB)* - **[INFO]** 3 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (A — 90/100) *7 scripts, 0 KB unused* - **[WARNING]** https://www.haskell.org/js/jquery.console.js: unminified — 4 KB could be saved ### 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 ### 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 — 85/100) *134 links checked, 131 healthy, 3 broken* - **[WARNING]** 131 of 134 links are healthy - **[WARNING]** Broken link: https://i1.ytimg.com/vi/IzQTfh-Iuds/mqdefault.jpg — Found in . Returns HTTP 404. - **[CRITICAL]** Broken link: https://fission.codes — Found in . Get "https://fission.codes": resolve fission.codes: lookup fission.codes: no such host - **[CRITICAL]** Broken link: https://e-bot7.com — Found in . Get "https://e-bot7.com": context deadline exceeded ### 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 (B — 75/100) *1 A records, 47 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 - **[WARNING]** CNAME record at zone apex — A CNAME at the zone apex can break MX and NS records. Use ALIAS/ANAME or A records instead. - **[INFO]** No NS records found - **[INFO]** No MX records — email not configured via DNS - **[INFO]** CAA records not checked — CAA record lookup requires a specialized DNS resolver. This check will be available in a future update. - **[INFO]** No SPF record found in TXT records — SPF helps prevent email spoofing. Add a TXT record starting with 'v=spf1'. - **[PASS]** DNS resolution time: 47 ms ### Redirect Chain (A+ — 100/100) *No redirects — direct access* - **[PASS]** No redirects — direct access ### 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 (B — 80/100) *robots.txt present, no sitemap* - **[PASS]** robots.txt is present - **[INFO]** No sitemap.xml found — A sitemap helps search engines discover and index your pages more efficiently. - **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap. ### URL Variants (A+ — 100/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[PASS]** www/non-www redirect configured correctly (preferred: www) - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *haskell.org — via NameCheap, Inc., 29 years, 8 months old, hosted on DigitalOcean* - **[PASS]** Domain registered until Dec 11, 2027 (1 years, 8 months remaining) - **[PASS]** DNSSEC is enabled - **[PASS]** Registrar: NameCheap, Inc. - **[PASS]** Hosting: DigitalOcean --- ## 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 — 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 (A+ — 100/100) *© 2014–2026 haskell* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2014–2026 haskell - **[PASS]** Copyright holder: haskell ### 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]** 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 (D — 40/100) *No cache headers* - **[WARNING]** No Cache-Control header found — Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers. - **[PASS]** ETag present — enables conditional (304) responses - **[PASS]** Last-Modified header present ### 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 (D — 50/100) *1 landmarks* - **[CRITICAL]** No
landmark found — Screen reader users cannot quickly navigate to the primary content. Wrap your main content in
. - **[PASS]** 1