# BeaverCheck Audit Report — https://joinmastodon.org **Date:** April 21, 2026 **URL:** https://joinmastodon.org **Overall Grade:** B (84/100) **Report:** https://beavercheck.com/results/bcc683b5-325b-4e11-a380-4edf7c927356 ## Top Findings 1. **[CRITICAL]** 1 image-only link(s) without alt text — Accessibility > Link & Button Quality 2. **[WARNING]** Cross-Origin-Embedder-Policy header is missing — Security > Security Headers 3. **[WARNING]** Cross-Origin-Opener-Policy header is missing — Security > Security Headers 4. **[WARNING]** External script from scripts.simpleanalyticscdn.com lacks integrity attribute — Security > Subresource Integrity 5. **[WARNING]** Page weight 191 KB over 1MB target — Performance > Page Weight Inventory --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 76 | | Accessibility | 92 | | Best Practices | 100 | | SEO | 83 | --- ## Security ### Security Headers (B — 70/100) *6 of 10 headers properly configured* - **[PASS]** Strict-Transport-Security is properly configured - **[PASS]** X-Content-Type-Options is properly configured - **[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 has a weak value - **[PASS]** Permissions-Policy is set - **[PASS]** Content-Security-Policy is present - **[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 not present ### Content Security Policy (B — 75/100) *5 of 10 CSP checks passed* - **[INFO]** Raw CSP policy - **[PASS]** default-src directive is set - **[PASS]** No 'unsafe-inline' in script source - **[PASS]** No 'unsafe-eval' in script source - **[PASS]** No wildcard in script source - **[PASS]** object-src is set to 'none' - **[WARNING]** base-uri directive is missing — Without base-uri, attackers can inject a tag to hijack relative URLs. Set it to 'self' or 'none'. - **[WARNING]** frame-ancestors directive is missing — frame-ancestors controls who can embed your page, preventing clickjacking. Set it to 'self' or 'none'. - **[WARNING]** form-action directive is missing — form-action restricts where forms can submit data, preventing form hijacking. - **[INFO]** upgrade-insecure-requests is not set — This directive upgrades HTTP resources to HTTPS automatically, preventing mixed content. ### 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 34 days) - **[PASS]** Certificate chain has 2 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 4 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 script from scripts.simpleanalyticscdn.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from scripts.simpleanalyticscdn.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 (A — 85/100) *DMARC: quarantine* - **[PASS]** DMARC policy is quarantine — good protection ### Permissions-Policy (B — 80/100) *4 directives, 2 missing* - **[PASS]** camera=() — blocked for all origins - **[PASS]** microphone=() — blocked for all origins - **[PASS]** geolocation=() — blocked for all origins - **[PASS]** browsing-topics=() — blocked for all origins - **[INFO]** payment not restricted — Consider adding payment=() to block payment access from embedded content. - **[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 (B — 80/100) *1.2 MB transferred, 52 requests* - **[PASS]** Page weighs 1.8 MB (1.2 MB transferred) - **[INFO]** 52 HTTP requests - **[INFO]** Estimated 0.25 g CO2 per page load ### Third-Party Impact (A+ — 100/100) *1% third-party, 0 ms blocking* - **[INFO]** Third-party code accounts for 1% of page weight (7.2 KiB of 1.2 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 (A — 85/100) *10 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (D — 40/100) *2224ms total JS execution* - **[WARNING]** https://joinmastodon.org/: 811ms CPU time - **[WARNING]** https://joinmastodon.org/_next/static/chunks/frame...: 549ms CPU time - **[WARNING]** Unattributable: 416ms CPU time - **[INFO]** https://joinmastodon.org/_next/static/chunks/main-...: 200ms CPU time - **[INFO]** https://joinmastodon.org/_next/static/chunks/pages...: 105ms CPU time - **[INFO]** Third-party scripts: 416ms (19% of total) ### Font Loading (A+ — 100/100) *1 fonts (50 KB)* - **[INFO]** 1 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (B — 80/100) *32 scripts, 139 KB unused* - **[WARNING]** https://joinmastodon.org/_next/static/chunks/223-8...: 48 KB unused (92%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://joinmastodon.org/_next/static/chunks/223-8...: 48 KB unused (92%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://joinmastodon.org/_next/static/chunks/463-4...: 22 KB unused (82%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://joinmastodon.org/_next/static/chunks/463-4...: 22 KB unused (82%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 139 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) *17 hints, 0 missing preconnects* - **[PASS]** Page uses 17 resource hint(s) ### Page Weight Inventory (A — 90/100) *52 resources · 1.2 MB · 139 KB savings available* - **[WARNING]** Page weight 191 KB over 1MB target - **[INFO]** ~139 KB of savings available - **[INFO]** 10 third-party resources (1% 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 (A — 95/100) *184 links checked, 183 healthy, 1 broken* - **[WARNING]** 183 of 184 links are healthy - **[CRITICAL]** Broken link: https://www.goldeneaglecoin.com/ — Found in . Returns HTTP 405. ### Mixed Content (A+ — 100/100) *No mixed content detected — all resources use HTTPS.* - **[PASS]** No mixed content detected — all resources use HTTPS ### Open Graph (B — 80/100) *Open Graph tags are partially configured — some improvements recommended.* - **[INFO]** Missing og:url — The og:url tag specifies the canonical URL for the shared content. - **[INFO]** Missing og:type — The og:type tag helps social platforms categorize the content. - **[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, 159 ms lookup* - **[PASS]** Resolves to 4 IPv4 address(es) - **[PASS]** Has 8 IPv6 (AAAA) record(s) - **[PASS]** 4 nameserver(s) configured - **[PASS]** 1 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: 159 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 2a04:4e42:600::347, 2a04:4e42:c00::347, 2a04:4e42:800::347, 2a04:4e42:a00::347, 2a04:4e42:200::347, 2a04:4e42:400::347, 2a04:4e42::347, 2a04:4e42:e00::347 ### Crawlability (B — 75/100) *no robots.txt, no sitemap* - **[INFO]** No robots.txt found — robots.txt is optional but recommended. It tells search engine crawlers which pages to index. - **[INFO]** No sitemap.xml found — A sitemap helps search engines discover and index your pages more efficiently. ### URL Variants (A+ — 100/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence *Domain intelligence data not available* --- ## 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 2 analytics, 0 advertising, 0 marketing, 0 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. ### 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 (F — 35/100) *1 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at /privacy-policy, 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 Mastodon GmbH* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Mastodon GmbH - **[PASS]** Copyright holder: Mastodon GmbH ### 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 (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. ### 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 (A+ — 100/100) *Fastly (HIT, HIT)* - **[PASS]** Site is served via Fastly CDN - **[PASS]** CDN cache status: HIT, HIT ### HTTP Caching (B — 80/100) *s-maxage=300, stale-while-revalidate=31535700* - **[PASS]** Cache-Control header is set - **[PASS]** CDN TTL: 5 minutes (s-maxage=300) - **[PASS]** ETag present — enables conditional (304) responses ### Transport Security (A+ — 100/100) *HTTP/3, HSTS, and TLS version analysis* - **[PASS]** HTTP/3 (QUIC) supported — The server advertises HTTP/3 via Alt-Svc for faster connections on mobile networks. - **[PASS]** HSTS enabled (includeSubDomains, preload) - **[PASS]** HSTS preload enabled - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (A — 90/100) *5 landmarks* - **[PASS]**
landmark present - **[PASS]** 2