# BeaverCheck Audit Report — https://github.blog **Date:** April 21, 2026 **URL:** https://github.blog **Overall Grade:** C (78/100) **Report:** https://beavercheck.com/results/8010db96-c634-4f5c-b7bd-eb0a4d2bf79f ## 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]** No H1 heading found — Accessibility > Heading Hierarchy --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 74 | | Accessibility | 89 | | Best Practices | 100 | | SEO | 92 | --- ## Security ### Security Headers (F — 35/100) *3 of 10 headers properly configured* - **[PASS]** Strict-Transport-Security is properly configured - **[WARNING]** X-Content-Type-Options header is missing — This header prevents MIME-type sniffing, which can lead to XSS attacks. Set it to 'nosniff'. - **[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. - **[WARNING]** X-Powered-By header reveals technology stack — This header discloses server technology (e.g. Express, PHP), helping attackers target known vulnerabilities. Remove it. - **[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 32 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 (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) *1 of 4 external resources have SRI* - **[WARNING]** External script from ghcc.githubassets.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from js.monitor.azure.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[PASS]** script from analytics.githubassets.com has SRI protection - **[WARNING]** External script from stats.wp.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 (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 — 17/100) *3.3 MB transferred, 39 requests* - **[WARNING]** Page weighs 4.9 MB (3.3 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 1.3 MB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[PASS]** 39 HTTP requests - **[INFO]** Estimated 0.70 g CO2 per page load ### Third-Party Impact (A+ — 100/100) *4% third-party, 0 ms blocking* - **[INFO]** Third-party code accounts for 4% of page weight (136.7 KiB of 3.3 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) *19 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (C — 60/100) *1340ms total JS execution* - **[WARNING]** https://github.blog/: 831ms CPU time - **[WARNING]** Unattributable: 255ms CPU time - **[INFO]** https://github.blog/_static/??/wp-content/themes/g...: 194ms CPU time - **[INFO]** https://js.monitor.azure.com/scripts/c/ms.analytic...: 60ms CPU time - **[INFO]** Third-party scripts: 315ms (24% of total) ### Font Loading (A+ — 100/100) *2 fonts (1337 KB)* - **[INFO]** 2 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (B — 70/100) *14 scripts, 90 KB unused* - **[WARNING]** https://js.monitor.azure.com/scripts/c/ms.analytic...: 90 KB unused (88%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://js.monitor.azure.com/scripts/c/ms.analytic...: unminified — 38 KB could be saved - **[INFO]** Total unused JavaScript: 90 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) *7 hints, 0 missing preconnects* - **[PASS]** Page uses 7 resource hint(s) ### Page Weight Inventory (C — 60/100) *39 resources · 3.3 MB · 90 KB savings available* - **[WARNING]** Page weight 2.3 MB over 1MB target - **[INFO]** ~90 KB of savings available - **[INFO]** 9 third-party resources (4% of weight) - **[INFO]** 2 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 (C — 73/100) *200 links checked, 194 healthy, 5 broken* - **[CRITICAL]** 194 of 200 links are healthy - **[WARNING]** Broken link: https://ghcc.githubassets.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://js.monitor.azure.com — Found in . Returns HTTP 400. - **[WARNING]** Broken link: https://analytics.githubassets.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://wp.me/PamS32-kx7 — Found in . Returns HTTP 401. - **[WARNING]** Broken link: https://blog-github-com-preprod.go-vip.net/wp-content/upl... — Found in . Returns HTTP 401. - **[INFO]** Long redirect chain: https://atom.io/ (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 — 90/100) *Open Graph tags are well configured for social sharing.* - **[CRITICAL]** og:image is not reachable — The og:image URL could not be fetched. Social platforms won't be able to display it. - **[INFO]** og:title is short (4 characters) — Ideal length is 25–60 characters for social sharing previews. ### Structured Data (B — 80/100) *3 JSON-LD block(s) found — some improvements recommended.* - **[WARNING]** Missing required property "name" for Person — The "name" property is required for the Person schema type. - **[WARNING]** Missing required property "name" for Person — The "name" property is required for the Person schema type. - **[INFO]** Missing recommended property "url" for Person — Adding "url" can improve how search engines display your content. - **[INFO]** Missing recommended property "url" for Person — Adding "url" can improve how search engines display your content. - **[PASS]** Custom type "WebPage" — unable to validate specific properties - **[PASS]** 3 JSON-LD blocks found --- ## Infrastructure ### DNS Records (A — 90/100) *1 A records, 27 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 - **[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: 27 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 (A+ — 100/100) *robots.txt present, sitemap with 17 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 17 entries - **[PASS]** Sitemap index with 17 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) *github.blog — via MarkMonitor, Inc (TLDs), 8 years old, hosted on WordPress.com (Automattic)* - **[PASS]** Domain registered until May 17, 2027 (1 years, 1 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: MarkMonitor, Inc (TLDs) - **[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: WordPress.com (Automattic) --- ## Compliance ### WCAG Compliance (A+ — 100/100) *No testable criteria* ### Cookie Consent & Privacy (A+ — 95/100) *privacy policy found* - **[PASS]** Privacy policy link found - **[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+ — 95/100) *2 trackers detected* - **[INFO]** 2 third-party trackers detected — Found 2 analytics, 0 advertising, 0 marketing, 0 tag manager trackers. ### Cookie & Tracker Inventory (A+ — 100/100) *0 cookies · 2 trackers · 0 pre-consent* - **[INFO]** 2 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://docs.github.com/en/github/site-policy/github-privacy-statement, linked from footer. - **[PASS]** Terms of Service detected — Found at https://docs.github.com/en/github/site-policy/github-terms-of-service, 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 GitHub* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 GitHub - **[PASS]** Copyright holder: GitHub ### 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 *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 (A — 90/100) *max-age=300 (5 minutes)* - **[PASS]** Cache-Control header is set - **[PASS]** Effective TTL: 5 minutes (max-age=300) - **[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 (includeSubDomains, preload) - **[PASS]** HSTS preload enabled - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (A+ — 100/100) *33 landmarks* - **[PASS]**
landmark present - **[PASS]** 7