# BeaverCheck Audit Report — https://www.docker.com **Date:** April 7, 2026 **URL:** https://www.docker.com **Overall Grade:** C (78/100) **Report:** https://beavercheck.com/results/b9322ee8-691b-5c86-b004-767ad189591a ## 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]** Page weighs 55.3 MB (45.1 MB transferred) — Performance > Page Weight Budget 4. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility 5. **[CRITICAL]** 1 link(s) with no accessible text — Accessibility > Link & Button Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 42 | | Accessibility | 89 | | Best Practices | 100 | | SEO | 92 | --- ## Security ### Security Headers (C — 65/100) *6 of 10 headers properly configured* - **[WARNING]** HSTS is missing includeSubDomains — Without includeSubDomains, subdomains can still be accessed over HTTP. - **[PASS]** X-Content-Type-Options is properly configured - **[PASS]** X-Frame-Options is properly configured - **[PASS]** Referrer-Policy is properly configured - **[PASS]** Permissions-Policy is set - **[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 83 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 (D — 40/100) *2 of 8 external resources have SRI* - **[WARNING]** External script from www.youtube.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.youtube.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[PASS]** script from www.gstatic.com 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. - **[WARNING]** External script from cdn.cookielaw.org lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from assets.adobedtm.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[PASS]** script from js-agent.newrelic.com has SRI protection - **[WARNING]** External script from www.google.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* - **[PASS]** security.txt is present — good practice - **[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 (B — 80/100) *5 directives, 1 missing* - **[PASS]** geolocation=() — blocked for all origins - **[PASS]** microphone=() — blocked for all origins - **[PASS]** camera=() — blocked for all origins - **[INFO]** fullscreen=(self) - **[PASS]** payment=() — blocked for all origins - **[INFO]** usb not restricted — Consider adding usb=() to block usb access from embedded content. ### CORS Configuration (B — 80/100) *No CORS headers* - **[PASS]** No CORS headers present — secure default --- ## Performance ### Page Weight Budget (F — 0/100) *45.1 MB transferred, 147 requests* - **[CRITICAL]** Page weighs 55.3 MB (45.1 MB transferred) - **[WARNING]** Images are 29.7 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[WARNING]** JavaScript is 2.1 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** Fonts are 1.1 MB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[WARNING]** 147 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 9.4 g CO2 per page load ### Third-Party Impact (A+ — 100/100) *5% third-party, 0 ms blocking* - **[INFO]** Third-party code accounts for 5% of page weight (2.3 MiB of 45.1 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 — 70/100) *37 images, 0 KB saveable* - **[WARNING]** https://www.docker.com/app/uploads/2024/01/icon-ne... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (F — 20/100) *9239ms total JS execution* - **[WARNING]** Unattributable: 3782ms CPU time - **[WARNING]** https://www.docker.com/: 3136ms CPU time - **[WARNING]** https://www.gstatic.com/recaptcha/releases/kUYUkUl...: 551ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-WL2...: 329ms CPU time - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202306.2...: 323ms CPU time - **[WARNING]** Third-party scripts: 5569ms (60% of total) ### Font Loading (A+ — 100/100) *8 fonts (1099 KB)* - **[INFO]** 8 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 20/100) *64 scripts, 819 KB unused* - **[WARNING]** https://www.gstatic.com/recaptcha/releases/kUYUkUl...: 179 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.gstatic.com/recaptcha/releases/kUYUkUl...: 179 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.gstatic.com/recaptcha/releases/kUYUkUl...: 179 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-WL2...: 82 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.docker.com/app/themes/Ponyo/dist/js/in...: 82 KB unused (67%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 819 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) *1 hints, 0 missing preconnects* - **[PASS]** Page uses 1 resource hint(s) ### 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 — 88/100) *184 links checked, 181 healthy, 2 broken* - **[WARNING]** 181 of 184 links are healthy - **[WARNING]** Broken link: https://www.docker.com/wp-json/wp/v2/pages/69521 — Found in . Returns HTTP 401. - **[CRITICAL]** Broken link: http://twitter.com/docker — Found in . Returns HTTP 520. - **[INFO]** Long redirect chain: http://www.youtube.com/user/dockerrun (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 (A+ — 100/100) *1 JSON-LD block(s) found — structured data is well configured.* - **[PASS]** Custom type "Corporation" — unable to validate specific properties --- ## Infrastructure ### DNS Records (B — 75/100) *1 A records, 29 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. - **[PASS]** Has 2 IPv6 (AAAA) record(s) - **[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: 29 ms ### Redirect Chain (A+ — 100/100) *No redirects — direct access* - **[PASS]** No redirects — direct access ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (1 ms)* - **[PASS]** IPv6 is configured and reachable at 2620:12a:8001::4, 2620:12a:8000::4 ### Crawlability (A+ — 100/100) *robots.txt present, sitemap with 15 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 15 entries - **[PASS]** Sitemap index with 15 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: www) - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *docker.com — via Gandi SAS, 31 years, 7 months old* - **[PASS]** Domain registered until Jan 26, 2027 (9 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: Gandi SAS --- ## 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 (C — 55/100) *2 trackers detected* - **[INFO]** 2 third-party trackers detected — Found 0 analytics, 0 advertising, 0 marketing, 2 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 2 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. --- ## Legal ### Legal Page Ecosystem (C — 60/100) *2 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at /legal/privacy, linked from footer. - **[PASS]** Terms of Service detected — Found at /legal/trademark-guidelines/, 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 Docker Inc* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Docker Inc - **[PASS]** Copyright holder: Docker Inc ### 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]** GDPR indicators detected (strong confidence) — Indicators suggesting GDPR may be relevant: Consent management platform detected: cookielaw.org; European TLD detected: .be; Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents. ### 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: Tag Management (1), Security (1). Each of these services receives some user data from your site visitors. - **[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]** reCAPTCHA (Security) — Detected via script URL. Typically collects: Browser behavior, Device info, IP address. Privacy policy: https://policies.google.com/privacy. Data Processing Agreement available. ### Compliance Badges (A — 90/100) *3 compliance badge(s) detected* - **[PASS]** SOC 2 badge detected — Found via body text: 'soc 2'. Note: the presence of a badge does not verify the certification is current or valid. - **[PASS]** ISO 27001 badge detected — Found via body text: 'iso 27001'. 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+ — 100/100) *Fastly (HIT, HIT, MISS, MISS)* - **[PASS]** Site is served via Fastly CDN - **[PASS]** CDN cache status: HIT, HIT, MISS, MISS ### HTTP Caching (A — 90/100) *max-age=604800 (1 week)* - **[PASS]** Cache-Control header is set - **[PASS]** Effective TTL: 1 week (max-age=604800) - **[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. - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (A+ — 100/100) *4 landmarks* - **[PASS]**
landmark present - **[PASS]** 1