# BeaverCheck Audit Report — https://www.lufthansa.com **Date:** April 7, 2026 **URL:** https://www.lufthansa.com **Overall Grade:** C (72/100) **Report:** https://beavercheck.com/results/0f1840b9-a744-9eb2-4f88-2cd2abc17f81 ## 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 23.3 MB (21.3 MB transferred) — Performance > Page Weight Budget 4. **[CRITICAL]** 1 image(s) missing alt attribute — Accessibility > Alt Text Quality 5. **[CRITICAL]** No
landmark found — Accessibility > Landmark Structure --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 9 | | Accessibility | 89 | | Best Practices | 77 | | SEO | 100 | --- ## Security ### Security Headers (B — 75/100) *8 of 10 headers properly configured* - **[WARNING]** HSTS max-age is too short (15768000s, should be ≥ 31536000s) — A short max-age leaves a window for downgrade attacks. Set max-age to at least 31536000 (1 year). - **[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. - **[PASS]** Cross-Origin-Opener-Policy is properly configured - **[PASS]** Cross-Origin-Embedder-Policy is set - **[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 187 days) - **[PASS]** Certificate chain has 4 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) *1 cookies analyzed, 3 checks passed* - **[PASS]** Cookie '__cf_bm' has the Secure flag - **[PASS]** Cookie '__cf_bm' has the HttpOnly flag - **[PASS]** Cookie '__cf_bm' has SameSite=None --- ## Advanced Security ### Subresource Integrity (A+ — 100/100) *No external resources* - **[PASS]** No external resources to protect ### 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 (A+ — 100/100) *17 directives, 0 missing* - **[PASS]** accelerometer=() — blocked for all origins - **[PASS]** browsing-topics=() — blocked for all origins - **[PASS]** camera=() — blocked for all origins - **[PASS]** clipboard-read=() — blocked for all origins - **[PASS]** clipboard-write=() — blocked for all origins - **[PASS]** geolocation=() — blocked for all origins - **[PASS]** gyroscope=() — blocked for all origins - **[PASS]** hid=() — blocked for all origins - **[PASS]** interest-cohort=() — blocked for all origins - **[PASS]** magnetometer=() — blocked for all origins - **[PASS]** microphone=() — blocked for all origins - **[PASS]** payment=() — blocked for all origins - **[PASS]** publickey-credentials-get=() — blocked for all origins - **[PASS]** screen-wake-lock=() — blocked for all origins - **[PASS]** serial=() — blocked for all origins - **[PASS]** sync-xhr=() — blocked for all origins - **[PASS]** usb=() — blocked for all origins ### CORS Configuration (B — 80/100) *No CORS headers* - **[PASS]** No CORS headers present — secure default --- ## Performance ### Page Weight Budget (F — 0/100) *21.3 MB transferred, 514 requests* - **[CRITICAL]** Page weighs 23.3 MB (21.3 MB transferred) - **[WARNING]** Images are 11.2 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[WARNING]** JavaScript is 2.3 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** Fonts are 366 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[WARNING]** 514 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 4.5 g CO2 per page load ### Third-Party Impact (A — 85/100) *34% third-party, 0 ms blocking* - **[INFO]** Third-party code accounts for 34% of page weight (7.3 MiB of 21.3 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 (C — 60/100) *38 images, 0 KB saveable* - **[WARNING]** https://www.lufthansa.com/content/dam/lh/images/pi... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.lufthansa.com/content/dam/lh/images/lo... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.lufthansa.com/content/dam/lh/images/lo... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.lufthansa.com/content/dam/lh/de/images... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.lufthansa.com/content/dam/lh/images/al... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.lufthansa.com/content/dam/lh/images/fr... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (F — 20/100) *18741ms total JS execution* - **[WARNING]** https://www.lufthansa.com/etc/designs/dcep/clientl...: 8131ms CPU time - **[WARNING]** Unattributable: 3318ms CPU time - **[WARNING]** https://www.lufthansa.com/digitalhangar/design-sys...: 2638ms CPU time - **[WARNING]** https://www.lufthansa.com/us/en/homepage: 1442ms CPU time - **[WARNING]** https://shop.lufthansa.com/booking/api/prefetch: 850ms CPU time - **[INFO]** Third-party scripts: 4417ms (24% of total) ### Font Loading (A+ — 100/100) *22 fonts (1339 KB)* - **[INFO]** 22 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 10/100) *400 scripts, 852 KB unused* - **[WARNING]** https://www.lufthansa.com/etc/designs/dcep/clientl...: 167 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.lufthansa.com/etc/designs/dcep/clientl...: 150 KB unused (90%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.lufthansa.com/etc/designs/dcep/clientl...: 134 KB unused (51%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.lufthansa.com/etc/designs/dcep/clientl...: 76 KB unused (65%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.lufthansa.com/etc.clientlibs/clientlib...: 57 KB unused (66%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.lufthansa.com/etc.clientlibs/clientlib...: unminified — 42 KB could be saved - **[INFO]** Total unused JavaScript: 852 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) *No optimization needed* - **[PASS]** No resource hint issues ### 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) *No links to check.* - **[PASS]** No links found on the page ### 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 (B — 80/100) *2 A records, 21 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[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: 21 ms ### Redirect Chain (A — 90/100) *1 redirect(s), 176 ms total* - **[PASS]** Single redirect - **[INFO]** Uses 302 (temporary) redirect — If permanent, use 301 instead. ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (1 ms)* - **[PASS]** IPv6 is configured and reachable at 2606:4700::6812:8e4, 2606:4700::6812:9e4 ### Crawlability (B — 70/100) *robots.txt present, sitemap with 0 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[WARNING]** sitemap.xml contains invalid XML — Search engines may not be able to parse the sitemap. Fix XML validation errors. - **[WARNING]** sitemap.xml is empty — no URLs found — An empty sitemap provides no value. Add entries for your pages. - **[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) *lufthansa.com — via CSC Corporate Domains, Inc., 30 years, 8 months old, hosted on Microsoft Azure* - **[PASS]** Domain registered until Jan 9, 2027 (9 months remaining) - **[PASS]** DNSSEC is enabled - **[PASS]** Registrar: CSC Corporate Domains, Inc. - **[PASS]** Hosting: Microsoft Azure --- ## 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 - **[PASS]** 1 cookie(s) set on initial load (functional) - **[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 (C — 60/100) *Viewport prevents zooming* - **[PASS]** Viewport meta tag is present - **[PASS]** width=device-width is set - **[CRITICAL]** Viewport prevents user zooming — user-scalable=no or maximum-scale < 2 prevents users from zooming. This is a WCAG 1.4.4 (Level AA) failure and an accessibility barrier for users with low vision. ### Third-Party Trackers (A+ — 100/100) *No third-party trackers detected* - **[PASS]** No third-party trackers detected --- ## 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: CDN (1). Each of these services receives some user data from your site visitors. - **[INFO]** Cloudflare (CDN) — Detected via cookie name. Typically collects: IP address (transient), Request metadata. Privacy policy: https://www.cloudflare.com/privacypolicy/. 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) *Cloudflare* - **[PASS]** Site is served via Cloudflare CDN (edge: EWR) ### HTTP Caching (D — 40/100) *no-store (uncacheable)* - **[INFO]** Cache-Control: no-store prevents all caching — Intentional for dynamic content, but increases server load for every page view. - **[INFO]** No ETag or Last-Modified header — Conditional requests (304 Not Modified) are not possible without validators. ### Transport Security (B — 75/100) *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. - **[WARNING]** HSTS max-age is short: 182 days — HSTS max-age should be at least 1 year (31536000 seconds). - **[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 (D — 40/100) *No landmarks* - **[CRITICAL]** No
landmark found — Screen reader users cannot quickly navigate to the primary content. Wrap your main content in
. - **[WARNING]** No