# BeaverCheck Audit Report — https://www.adyen.com **Date:** April 7, 2026 **URL:** https://www.adyen.com **Overall Grade:** C (78/100) **Report:** https://beavercheck.com/results/308b1f48-2fc7-d671-0ca0-278ed0f4ddb7 ## Top Findings 1. **[CRITICAL]** Page weighs 11.9 MB (5.1 MB transferred) — Performance > Page Weight Budget 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 cdn.cookielaw.org lacks integrity attribute — Security > Subresource Integrity 5. **[WARNING]** External script from unpkg.com lacks integrity attribute — Security > Subresource Integrity --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 36 | | Accessibility | 100 | | Best Practices | 92 | | SEO | 92 | --- ## Security ### Security Headers (B — 75/100) *7 of 10 headers properly configured* - **[PASS]** Strict-Transport-Security is properly configured (consider adding preload) - **[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. - **[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 present without version info ### Content Security Policy (C — 65/100) *5 of 10 CSP checks passed* - **[INFO]** Raw CSP policy - **[WARNING]** default-src directive is missing — default-src provides a fallback for other directives. Set it to restrict default resource loading. - **[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' - **[PASS]** base-uri is properly restricted - **[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 31 days) - **[PASS]** Certificate chain has 2 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 67 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 6 external resources have SRI* - **[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 www.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from unpkg.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[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 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. ### 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 (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 — 0/100) *5.1 MB transferred, 70 requests* - **[CRITICAL]** Page weighs 11.9 MB (5.1 MB transferred) - **[WARNING]** JavaScript is 1.0 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** 70 HTTP requests - **[INFO]** Estimated 1.1 g CO2 per page load ### Third-Party Impact (D — 50/100) *81% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 81% of page weight (4.2 MiB of 5.1 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 — 75/100) *30 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (F — 20/100) *8233ms total JS execution* - **[WARNING]** https://www.adyen.com/main_nuxt/B63nptKw.js: 2959ms CPU time - **[WARNING]** https://www.adyen.com/main_nuxt/BqNvtlgv.js: 1945ms CPU time - **[WARNING]** Unattributable: 1090ms CPU time - **[WARNING]** https://www.adyen.com/: 1024ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-575...: 370ms CPU time - **[INFO]** Third-party scripts: 2218ms (27% of total) ### Font Loading (A+ — 100/100) *2 fonts (179 KB)* - **[INFO]** 2 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (D — 40/100) *22 scripts, 398 KB unused* - **[WARNING]** https://www.adyen.com/main_nuxt/BqNvtlgv.js: 106 KB unused (57%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-T4Q...: 73 KB unused (41%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-TRCP...: 67 KB unused (38%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/destination?...: 65 KB unused (50%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-575...: 64 KB unused (37%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 398 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) *2 hints, 0 missing preconnects* - **[PASS]** Page uses 2 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 (A+ — 100/100) *94 links checked, 94 healthy, 0 broken* - **[PASS]** 94 of 94 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 (A — 90/100) *Open Graph tags are well configured for social sharing.* - **[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. ### Structured Data (A+ — 100/100) *1 JSON-LD block(s) found — structured data is well configured.* --- ## Infrastructure ### DNS Records (B — 80/100) *2 A records, 32 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[PASS]** Has 1 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: 32 ms ### Redirect Chain (A+ — 100/100) *No redirects — direct access* - **[PASS]** No redirects — direct access ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (28 ms)* - **[PASS]** IPv6 is configured and reachable at 2a05:d01c:9e6:f102::1f5 ### Crawlability (A+ — 100/100) *robots.txt present, sitemap with 20 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 20 entries - **[PASS]** Sitemap index with 20 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) *adyen.com — via MarkMonitor Inc., 19 years, 8 months old, hosted on AWS* - **[PASS]** Domain registered until Nov 5, 2031 (5 years, 7 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. - **[PASS]** Hosting: AWS --- ## 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 1 analytics, 0 advertising, 0 marketing, 1 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 (B — 75/100) *3 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at /privacy-policy, linked from footer. - **[PASS]** Terms of Service detected — Found at /legal, linked from footer. - **[PASS]** Cookie Policy detected — Found at /policies-and-disclaimer/cookie-policy, linked from footer. - **[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 Adyen Global (English) Global (English)* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Adyen Global (English) Global (English) - **[PASS]** Copyright holder: Adyen Global (English) Global (English) ### 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; 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: Analytics (1), Tag Management (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]** 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. ### 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 (B — 80/100) *Netlify* - **[PASS]** Site is served via Netlify CDN ### HTTP Caching (B — 75/100) *public,max-age=0,must-revalidate* - **[PASS]** Cache-Control header is set - **[PASS]** ETag present — enables conditional (304) responses ### 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) - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (B — 75/100) *6 landmarks* - **[PASS]**
landmark present - **[PASS]** 2