# BeaverCheck Audit Report — https://finnair.com **Date:** April 15, 2026 **URL:** https://finnair.com **Overall Grade:** C (73/100) **Report:** https://beavercheck.com/results/118ead8f-a5e7-4642-bd54-e4e11bfaa98c ## 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]** Soft 404: server returns HTTP 200 for non-existent pages — Accessibility > 404 Error Page 5. **[WARNING]** 56 third-party resources (100% of weight) — Performance > Page Weight Inventory --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 58 | | Accessibility | 90 | | Best Practices | 100 | | SEO | 100 | --- ## Security ### Security Headers (F — 10/100) *2 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. - **[WARNING]** X-Content-Type-Options header is missing — This header prevents MIME-type sniffing, which can lead to XSS attacks. Set it to 'nosniff'. - **[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 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. - **[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 198 days) - **[PASS]** Certificate chain has 3 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 (F — 20/100) *0 of 6 external resources have SRI* - **[WARNING]** External link from cdn.finnair.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 s2.go-mpulse.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.finnair.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.finnair.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.c360a.salesforce.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+ — 100/100) *DMARC: reject* - **[PASS]** DMARC policy is reject — strongest protection ### 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 (C — 62/100) *1.8 MB transferred, 57 requests* - **[INFO]** Page weighs 6.2 MB (1.8 MB transferred) - **[WARNING]** JavaScript is 1.5 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** 57 HTTP requests - **[INFO]** Estimated 0.38 g CO2 per page load ### Third-Party Impact (D — 50/100) *100% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 100% of page weight (1.8 MiB of 1.8 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+ — 95/100) *3 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (F — 20/100) *4451ms total JS execution* - **[WARNING]** Unattributable: 1048ms CPU time - **[WARNING]** https://cdn.finnair.com/finnair-com-ux/lambda/prod...: 985ms CPU time - **[WARNING]** https://www.finnair.com/hugRdc/o/W/WGiju3d_kn5D/ii...: 916ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-5JS...: 390ms CPU time - **[WARNING]** https://cdn.finnair.com/finnair-com-ux/lambda/prod...: 389ms CPU time - **[WARNING]** Third-party scripts: 4451ms (100% of total) ### Font Loading (A+ — 100/100) *5 fonts (132 KB)* - **[INFO]** 5 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 20/100) *29 scripts, 709 KB unused* - **[WARNING]** https://cdn.finnair.com/finnair-com-ux/lambda/prod...: 198 KB unused (46%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.finnair.com/finnair-com-ux/lambda/prod...: 119 KB unused (70%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.finnair.com/finnair-com-ux/lambda/prod...: 101 KB unused (62%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.c360a.salesforce.com/beacon/c360a/db5e...: 77 KB unused (70%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-5JS...: 77 KB unused (44%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 709 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) *11 hints, 0 missing preconnects* - **[PASS]** Page uses 11 resource hint(s) ### Page Weight Inventory (F — 30/100) *57 resources · 1.8 MB · 709 KB savings available* - **[WARNING]** Page weight 834 KB over 1MB target - **[INFO]** ~709 KB of savings available - **[WARNING]** 56 third-party resources (100% 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 — 90/100) *37 links checked, 35 healthy, 2 broken* - **[WARNING]** 35 of 37 links are healthy - **[WARNING]** Broken link: https://api.finnair.com — Found in . Returns HTTP 503. - **[WARNING]** Broken link: https://www.googletagmanager.com — Found in . Returns HTTP 404. ### 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 (A+ — 100/100) *4 A records, 16 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: 16 ms ### Redirect Chain (A — 90/100) *1 redirect(s), 73 ms total* - **[PASS]** Single redirect - **[INFO]** WWW normalization redirect ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (7 ms)* - **[PASS]** IPv6 is configured and reachable at 2600:9000:250a:c200:10:c3f4:e780:93a1, 2600:9000:250a:5e00:10:c3f4:e780:93a1, 2600:9000:250a:a200:10:c3f4:e780:93a1, 2600:9000:250a:c000:10:c3f4:e780:93a1, 2600:9000:250a:ba00:10:c3f4:e780:93a1, 2600:9000:250a:5c00:10:c3f4:e780:93a1, 2600:9000:250a:e800:10:c3f4:e780:93a1, 2600:9000:250a:3e00:10:c3f4:e780:93a1 ### Crawlability (A+ — 100/100) *robots.txt present, sitemap with 2 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 2 entries - **[PASS]** Sitemap index with 2 child sitemaps - **[PASS]** robots.txt references sitemap ### URL Variants (B — 75/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[CRITICAL]** Both www and non-www versions serve content - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *finnair.com — via CSC Corporate Domains, Inc., 29 years, 10 months old* - **[PASS]** Domain registered until Nov 7, 2026 (6 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: CSC Corporate Domains, Inc. - **[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. --- ## 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) *4 trackers detected* - **[INFO]** 4 third-party trackers detected — Found 3 analytics, 0 advertising, 0 marketing, 1 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 4 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 · 4 trackers · 0 pre-consent* - **[INFO]** 4 third-party tracker(s) detected on page --- ## 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 (C — 55/100) *No copyright notice detected* - **[INFO]** No copyright notice detected — No copyright notice detected in the page content. While not legally required in most jurisdictions (copyright exists automatically), a notice is standard practice and signals site ownership. ### Regulatory Indicators *0 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]** No specific regulatory indicators detected — No strong signals for GDPR, CCPA, ADA, PCI, HIPAA, or COPPA were found. This does not mean these regulations don't apply — it means we didn't detect common technical indicators. ### Third-Party Data Sharing *1 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]** 1 third-party services across 1 categories — 1 third-party services detected across 1 categories: Tag Management (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. ### 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) *AWS CloudFront (FunctionGeneratedResponse from cloudfront)* - **[PASS]** Site is served via AWS CloudFront CDN (edge: JFK50-P15) - **[INFO]** CDN cache status: FunctionGeneratedResponse from cloudfront ### HTTP Caching (F — 30/100) *No cache headers* - **[WARNING]** No Cache-Control header found — Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers. ### Transport Security (A — 85/100) *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. - **[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 (B — 70/100) *2 landmarks* - **[PASS]**
landmark present - **[WARNING]** No